:root {
  color-scheme: light;
  --bg-app: #fbf7ef;
  --bg-panel: #fffcf7;
  --bg-card: #ffffff;
  --bg-soft: #f4f0ff;
  --primary: #635bff;
  --primary-hover: #5147f0;
  --primary-soft: #ece9ff;
  --text-main: #17171f;
  --text-secondary: #64677a;
  --text-muted: #9a9caf;
  --border-soft: #eee3d2;
  --border-purple: #ded8ff;
  --shadow-card: 0 10px 30px rgba(60, 44, 120, 0.06);
  --shadow-card-hover: 0 16px 40px rgba(60, 44, 120, 0.10);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --ink: var(--text-main);
  --muted: var(--text-secondary);
  --paper: var(--bg-app);
  --panel: var(--bg-card);
  --panel-strong: var(--bg-card);
  --panel-soft: var(--bg-panel);
  --line: var(--border-soft);
  --line-bright: var(--border-soft);
  --green: #3f6959;
  --green-dark: #25483d;
  --blue: #465f77;
  --gold: #9b6c2e;
  --rose: #9b4a4a;
  --teal: #4e6d73;
  --teal-soft: #eef4f2;
  --blue-soft: #f1f4f7;
  --gold-soft: #f7f2e9;
  --rose-soft: #f7eeee;
  --shadow: var(--shadow-card);
  --shadow-soft: var(--shadow-card);
  --shadow-hairline: 0 0 0 1px rgba(0, 0, 0, 0.035);
  --radius: 8px;
  --radius-sm: 6px;
  --blur: none;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(16px, 4vw, 44px);
  background: rgba(244, 247, 245, 0.68);
  border-bottom: 1px solid var(--line-bright);
  box-shadow: 0 10px 30px rgba(38, 47, 45, 0.08);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 50%;
  background:
    url("assets/generated/brand-q-mark.webp?v=premium-system-2") center / 88% auto no-repeat,
    #fff;
  color: transparent;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(80, 72, 220, 0.13);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.1;
}

.brand p,
small {
  color: var(--muted);
}

main {
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 42px;
}

.module-nav {
  position: sticky;
  top: 86px;
  z-index: 9;
  display: grid;
  grid-template-columns: repeat(11, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 18px;
  padding: 8px;
  background: rgba(244, 247, 245, 0.54);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.module-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-weight: 850;
}

.module-tab svg {
  width: 18px;
  height: 18px;
}

.module-tab.active {
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  border-color: var(--line-bright);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85), 0 8px 20px rgba(38, 47, 45, 0.08);
}

.module-view {
  display: none;
}

.module-view.active {
  display: block;
}

.news-ticker {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  min-height: 48px;
  margin-bottom: 18px;
  padding: 7px;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.ticker-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 10px;
  border-radius: var(--radius);
  background: rgba(32, 33, 31, 0.92);
  color: #fffaf0;
  font-size: 0.82rem;
  font-weight: 900;
  white-space: nowrap;
}

.ticker-label svg {
  width: 16px;
  height: 16px;
}

.ticker-viewport {
  min-width: 0;
  overflow: hidden;
}

.news-ticker-track {
  display: flex;
  align-items: center;
  width: max-content;
  gap: 8px;
  animation: newsTicker 46s linear infinite;
}

.news-ticker:hover .news-ticker-track {
  animation-play-state: paused;
}

.news-ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  max-width: 420px;
  padding: 0 12px;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.45);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.68);
  white-space: nowrap;
}

.news-ticker-item span {
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 900;
}

.news-ticker-item strong {
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.88rem;
}

@keyframes newsTicker {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .news-ticker-track {
    animation: none;
  }
}

.auth-shell {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 80px);
  padding: 28px 16px;
}

.auth-panel {
  display: grid;
  gap: 16px;
  width: min(520px, 100%);
  padding: clamp(20px, 4vw, 28px);
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.auth-copy {
  display: grid;
  gap: 6px;
}

.auth-copy h2 {
  font-size: clamp(1.4rem, 4vw, 2rem);
  line-height: 1.12;
}

.auth-copy p {
  color: var(--muted);
  line-height: 1.6;
}

.auth-tabs {
  display: inline-flex;
  width: fit-content;
  gap: 4px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.34);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.auth-form {
  display: grid;
  gap: 11px;
}

.auth-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 750;
}

.auth-form button {
  margin-top: 3px;
}

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.divider::before,
.divider::after {
  content: "";
  height: 1px;
  flex: 1 1 auto;
  background: var(--line);
}

.google-box {
  display: grid;
  gap: 10px;
}

.google-button {
  min-height: 42px;
}

.google-config {
  padding: 11px;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  background: var(--panel-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.google-config summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.config-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 10px;
}

.auth-message {
  min-height: 22px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.top-actions,
.form-row,
.panel-heading,
.section-heading,
.rank-row,
.drill-answer {
  display: flex;
  align-items: center;
}

.top-actions {
  gap: 8px;
}

.language-select {
  width: auto;
  min-width: 94px;
  height: 40px;
  font-weight: 850;
  box-shadow: var(--shadow-soft);
}

.top-region-rank {
  min-height: 40px;
  padding: 5px 11px 5px 7px;
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  white-space: nowrap;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 40px;
  max-width: 240px;
  padding: 5px 10px 5px 5px;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  text-align: left;
}

.user-chip:hover,
.user-chip:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(47, 143, 107, 0.36);
  outline: none;
}

.user-chip strong,
.user-chip small {
  display: block;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-chip strong {
  font-size: 0.9rem;
}

.user-chip small {
  font-size: 0.76rem;
}

.avatar {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 50%;
  background: var(--green);
  color: white;
  font-size: 0.82rem;
  font-weight: 850;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.icon-button,
.primary-button,
.secondary-button,
.segment,
.tab {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.56);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72), 0 6px 16px rgba(38, 47, 45, 0.06);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.icon-button:hover,
.primary-button:hover,
.secondary-button:hover,
.segment:hover,
.tab:hover {
  transform: translateY(-1px);
  border-color: rgba(47, 143, 107, 0.36);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8), 0 10px 22px rgba(38, 47, 45, 0.1);
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
}

.icon-button svg,
.primary-button svg,
.secondary-button svg {
  width: 18px;
  height: 18px;
}

.file-button {
  position: relative;
  overflow: hidden;
}

.file-button input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.danger {
  color: var(--rose);
}

.ghost {
  background: transparent;
}

.accent {
  background: var(--green);
  border-color: var(--green);
  color: white;
}

.summary-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: stretch;
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0.42));
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.summary-copy {
  display: grid;
  gap: 8px;
  align-content: center;
}

.rank-row {
  gap: 10px;
  flex-wrap: wrap;
}

.region-rank {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: fit-content;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  font-weight: 850;
}

.medal {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 900;
}

.medal.gold {
  background: #c99724;
}

.medal.silver {
  background: #87909a;
}

.medal.bronze {
  background: #a9683b;
}

.medal.plain {
  background: var(--muted);
}

.rank-label {
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(220, 239, 231, 0.72);
  color: var(--green-dark);
  font-size: 0.8rem;
  font-weight: 700;
}

.total-xp {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.total-xp span:first-child {
  font-size: clamp(2.4rem, 7vw, 5.6rem);
  line-height: 0.92;
  font-weight: 850;
}

.total-xp span:last-child {
  color: var(--muted);
  font-weight: 800;
}

.summary-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(82px, 1fr));
  gap: 10px;
  min-width: min(410px, 100%);
}

.summary-metrics div {
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.summary-metrics span {
  font-size: clamp(1.3rem, 3vw, 2.05rem);
  font-weight: 800;
}

.summary-metrics small {
  font-weight: 700;
}

.workspace-grid,
.tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 18px;
  margin-top: 18px;
}

.tool-grid.single-column {
  grid-template-columns: 1fr;
}

.problem-section,
.interview-section,
.pk-section,
.news-section,
.network-section,
.community-section,
.account-section,
.settings-section {
  margin-top: 24px;
}

.problem-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.problem-actions input {
  width: min(320px, 42vw);
}

.problem-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.problem-form textarea,
.problem-form button {
  grid-column: 1 / -1;
}

.problem-import {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-bottom: 12px;
}

.problem-import textarea {
  min-height: 42px;
}

.problem-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.problem-card {
  display: grid;
  gap: 11px;
  min-height: 250px;
  padding: 15px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.problem-card h3 {
  font-size: 1rem;
  line-height: 1.25;
}

.problem-card p {
  display: -webkit-box;
  overflow: hidden;
  color: var(--muted);
  line-height: 1.45;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.problem-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.problem-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}

.interview-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.38fr) minmax(0, 0.62fr);
  gap: 18px;
}

.interview-grid.setup-only {
  grid-template-columns: minmax(0, min(620px, 100%));
  justify-content: center;
}

.interview-grid.session-only {
  grid-template-columns: minmax(0, 1fr);
}

.interview-grid.session-only .interview-console {
  width: min(100%, 1040px);
  justify-self: center;
}

.interview-setup,
.interview-console {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.interview-setup {
  display: grid;
  align-content: start;
  gap: 10px;
}

.interview-setup label,
.interview-answer-file,
.interview-pdf-row {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.interview-setup label input,
.interview-setup label select,
.interview-answer-file input {
  color: var(--ink);
  font-weight: 700;
}

.interview-pdf-row small,
.interview-answer-file small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
}

.interview-category-row {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.interview-category-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.interview-category-chip {
  min-height: 34px;
  padding: 7px 11px;
  background: rgba(255, 255, 255, 0.46);
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.interview-category-chip.active {
  background: rgba(47, 143, 107, 0.16);
  border-color: rgba(47, 143, 107, 0.34);
  color: var(--green);
}

.interview-console {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(320px, 1fr) auto;
  gap: 12px;
}

.interview-console-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
}

.interview-console-head div:first-child {
  display: grid;
  gap: 2px;
}

.interview-console-head small {
  color: var(--muted);
  font-weight: 700;
}

.interview-timer {
  min-width: 86px;
  padding: 8px 10px;
  background: rgba(44, 122, 146, 0.12);
  border: 1px solid rgba(44, 122, 146, 0.22);
  border-radius: var(--radius-sm);
  color: var(--teal);
  font-variant-numeric: tabular-nums;
  font-weight: 900;
  text-align: center;
}

.interview-transcript {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 320px;
  max-height: 520px;
  overflow: auto;
  padding: 12px;
  background: rgba(255, 255, 255, 0.38);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  backdrop-filter: blur(14px) saturate(135%);
  -webkit-backdrop-filter: blur(14px) saturate(135%);
}

.message {
  max-width: 92%;
  padding: 10px 12px;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.54);
  line-height: 1.5;
  white-space: pre-wrap;
}

.rich-text {
  overflow-wrap: anywhere;
}

.rich-text p {
  margin: 0;
  white-space: pre-wrap;
}

.rich-text p + p,
.rich-text ul + p,
.rich-text p + ul {
  margin-top: 8px;
}

.rich-text ul {
  margin: 0;
  padding-left: 20px;
  white-space: normal;
}

.rich-text code {
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(38, 47, 45, 0.09);
  font-size: 0.92em;
}

.rich-text mjx-container[display="true"] {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
}

.problem-prompt {
  color: var(--muted);
  line-height: 1.5;
}

.message.user {
  justify-self: end;
  background: rgba(226, 235, 247, 0.72);
}

.message.coach {
  justify-self: start;
  background: rgba(220, 239, 231, 0.72);
}

.message.system {
  max-width: 100%;
  color: var(--muted);
  background: rgba(241, 234, 223, 0.68);
}

.message.typing::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: 3px;
  background: currentColor;
  vertical-align: -0.12em;
  animation: message-caret 0.85s steps(2, start) infinite;
}

.message.thinking {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  width: fit-content;
  min-width: 58px;
  min-height: 40px;
}

.message.thinking span {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.34;
  animation: thinking-dot 1.15s ease-in-out infinite;
}

.message.thinking span:nth-child(2) {
  animation-delay: 0.14s;
}

.message.thinking span:nth-child(3) {
  animation-delay: 0.28s;
}

@keyframes message-caret {
  50% {
    opacity: 0;
  }
}

@keyframes thinking-dot {
  30% {
    opacity: 1;
    transform: translateY(-3px);
  }

  60% {
    opacity: 0.34;
    transform: translateY(0);
  }
}

.interview-form {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.interview-complete-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.interview-complete-actions .primary-button,
.interview-complete-actions .secondary-button {
  min-height: 40px;
  padding: 0 12px;
}

.interview-favorites {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line-bright);
}

.interview-favorites-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.interview-favorites-head small,
.interview-favorite-empty,
.interview-favorite-item small {
  color: var(--muted);
}

.interview-favorites-list {
  display: grid;
  gap: 8px;
}

.interview-favorite-item {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid rgba(44, 122, 146, 0.18);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.46);
}

.interview-favorite-item p {
  margin: 0;
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.45;
}

.pk-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 18px;
}

.pk-arena,
.pk-feed {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.pk-scoreboard {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.pk-scoreboard div {
  display: grid;
  gap: 4px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.44);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
}

.pk-scoreboard strong {
  font-size: 2rem;
}

.pk-problem {
  min-height: 220px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  line-height: 1.55;
  white-space: pre-wrap;
}

.pk-form {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.pk-feed {
  display: grid;
  align-content: start;
  gap: 10px;
}

.pk-feed-item {
  padding: 12px;
  background: rgba(255, 255, 255, 0.44);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  line-height: 1.45;
}

.news-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.news-form textarea,
.news-form button {
  grid-column: 1 / -1;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.news-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 330px;
  padding: 17px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.news-card:hover,
.news-card:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(47, 143, 107, 0.42);
  box-shadow: var(--shadow);
  outline: none;
}

.news-card.spotlight {
  transform: translateY(-2px);
  border-color: rgba(47, 143, 107, 0.56);
  box-shadow: var(--shadow);
}

.news-card.read {
  border-color: rgba(47, 143, 107, 0.32);
}

.read-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  padding: 0 9px;
  border: 1px solid rgba(47, 143, 107, 0.34);
  border-radius: 999px;
  background: rgba(220, 239, 231, 0.86);
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 900;
  white-space: nowrap;
}

.news-card > .read-badge {
  position: absolute;
  top: 12px;
  right: 12px;
}

.news-card.read .news-meta {
  padding-right: 58px;
}

.news-meta,
.news-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.news-meta span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
}

.news-card h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.25;
}

.news-card p {
  color: var(--muted);
  line-height: 1.55;
}

.news-impact {
  display: grid;
  gap: 6px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.38);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  line-height: 1.5;
}

.news-impact strong {
  color: var(--green-dark);
  font-size: 0.86rem;
}

.news-impact span {
  color: var(--ink);
}

.news-actions {
  margin-top: auto;
}

.news-actions .primary-button,
.news-actions .secondary-button {
  min-height: 38px;
}

.news-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.42);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 850;
  text-decoration: none;
}

.news-detail {
  display: grid;
  gap: 16px;
  padding: clamp(18px, 3vw, 26px);
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.news-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.news-detail-meta {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 850;
}

.news-detail h2 {
  max-width: 920px;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.18;
}

.news-detail p {
  max-width: 920px;
  color: var(--muted);
  line-height: 1.65;
}

.account-grid,
.settings-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.58fr) minmax(320px, 0.42fr);
  gap: 18px;
}

.account-panel,
.settings-panel {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.account-panel label,
.settings-panel label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.account-avatar-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}

.account-avatar-preview {
  width: 74px;
  height: 74px;
  font-size: 1.4rem;
}

.avatar-actions {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.avatar-button-row,
.settings-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.avatar-upload,
.settings-file-button {
  position: relative;
  overflow: hidden;
}

.avatar-upload input,
.settings-file-button input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.account-meta-panel h3,
.settings-panel h3 {
  font-size: 1rem;
}

.account-meta-panel dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.account-meta-panel dl div {
  display: grid;
  gap: 4px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
}

.account-meta-panel dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.account-meta-panel dd {
  margin: 0;
  font-weight: 850;
  overflow-wrap: anywhere;
}

.network-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.network-form textarea,
.network-form button {
  grid-column: 1 / -1;
}

.network-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.network-card {
  display: grid;
  align-content: start;
  gap: 11px;
  min-height: 210px;
  padding: 15px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.network-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.network-card h3 {
  font-size: 1rem;
  line-height: 1.25;
}

.network-card small {
  display: block;
  margin-top: 4px;
  overflow-wrap: anywhere;
}

.network-status {
  width: fit-content;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(220, 239, 231, 0.82);
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 900;
}

.network-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.network-card p {
  color: var(--muted);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.settings-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.settings-actions .secondary-button {
  min-height: 46px;
}

.danger-action {
  background: rgba(183, 72, 72, 0.12);
  border-color: rgba(183, 72, 72, 0.28);
  color: var(--rose);
}

.overview-community {
  margin-top: 18px;
}

.community-panel,
.community-form,
.community-card {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.community-panel .community-form {
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.community-form {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.community-compose-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.community-media-preview,
.community-media {
  overflow: hidden;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.42);
}

.community-media-preview img,
.community-media img,
.community-media-preview video,
.community-media video {
  display: block;
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.5);
}

.community-list {
  display: grid;
  gap: 12px;
}

.community-list.compact .community-card:nth-child(n + 4) {
  display: none;
}

.community-card {
  display: grid;
  gap: 12px;
}

.community-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.community-head .icon-button {
  margin-left: auto;
}

.community-head strong,
.community-head small {
  display: block;
}

.community-card p {
  color: var(--ink);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.community-actions,
.community-comment-form {
  display: flex;
  align-items: center;
  gap: 8px;
}

.community-actions {
  justify-content: space-between;
  flex-wrap: wrap;
}

.active-like {
  background: rgba(183, 72, 72, 0.14);
  border-color: rgba(183, 72, 72, 0.3);
  color: var(--rose);
}

.community-count {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.community-comments {
  display: grid;
  gap: 8px;
  padding-top: 2px;
}

.community-comment {
  display: flex;
  gap: 7px;
  padding: 9px 10px;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.38);
  line-height: 1.45;
}

.community-comment strong {
  flex: 0 0 auto;
}

.community-comment span {
  overflow-wrap: anywhere;
}

.community-comment-form input {
  flex: 1 1 auto;
}

.community-comment-form .icon-button {
  flex: 0 0 40px;
  min-width: 40px;
}

.log-panel,
.leaderboard-panel,
.drill-panel,
.resource-panel {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.panel-heading,
.section-heading {
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

h2 {
  font-size: 1.02rem;
}

textarea,
input,
select {
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(91, 103, 98, 0.26);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.46);
  color: var(--ink);
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.64);
  backdrop-filter: blur(12px) saturate(135%);
  -webkit-backdrop-filter: blur(12px) saturate(135%);
}

textarea:focus,
input:focus,
select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(47, 143, 107, 0.16);
}

textarea {
  display: block;
  resize: vertical;
  padding: 13px 14px;
  line-height: 1.55;
}

.tag-picker,
.auto-classify-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.tag-picker label {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.46);
  font-size: 0.9rem;
  font-weight: 700;
}

.tag-picker input {
  width: auto;
  accent-color: var(--green);
}

.auto-chip {
  padding: 6px 10px;
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.44);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.auto-chip.active {
  color: var(--ink);
  border-color: var(--green);
  background: rgba(220, 239, 231, 0.78);
}

.form-row {
  gap: 10px;
}

.form-row input {
  max-width: 120px;
}

.form-row select {
  max-width: 110px;
}

input,
select {
  height: 42px;
  padding: 0 12px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 16px;
  font-weight: 800;
}

.primary-button {
  background: var(--ink);
  color: #fffaf0;
  border-color: var(--ink);
}

.secondary-button {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}

.analysis-preview {
  min-height: 34px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.leaderboard-list {
  display: grid;
  gap: 10px;
}

.leaderboard-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.leaderboard-controls select:disabled {
  opacity: 0.52;
  cursor: not-allowed;
}

.leaderboard-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 13px;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.44);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.68);
}

.leaderboard-item.current {
  border-color: var(--green);
  box-shadow: inset 4px 0 0 var(--green);
}

.leaderboard-item strong {
  color: var(--green-dark);
  font-size: 1rem;
}

.leaderboard-item div {
  min-width: 0;
}

.leaderboard-item span,
.leaderboard-item small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.leaderboard-item span {
  font-weight: 850;
}

.leaderboard-item small {
  color: var(--muted);
  font-size: 0.88rem;
}

.leaderboard-item b {
  font-size: 1.2rem;
}

.skills-section,
.history-section {
  margin-top: 24px;
}

.view-tabs,
.segmented {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.32);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.tab,
.segment {
  min-height: 32px;
  padding: 0 12px;
  font-weight: 800;
  border-color: transparent;
  background: transparent;
}

.tab.active,
.segment.active {
  background: rgba(255, 255, 255, 0.68);
  border-color: var(--line-bright);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.76), 0 5px 14px rgba(38, 47, 45, 0.08);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.skill-card {
  display: grid;
  gap: 14px;
  min-height: 240px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.skill-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border-radius: 50%;
  color: white;
  font-weight: 850;
}

.skill-card h3 {
  font-size: 1rem;
}

.level-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.level-row strong {
  font-size: 1.28rem;
}

.level-row span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
}

.progress-track {
  width: 100%;
  height: 10px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.34);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  transition: width 260ms ease;
}

.subskills {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-content: start;
}

.subskills span {
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.38);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.radar-wrap {
  display: grid;
  place-items: center;
  min-height: 440px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.radar-wrap canvas {
  width: min(100%, 720px);
  height: auto;
}

.skills-section {
  display: grid;
  gap: var(--space-6);
}

.skill-value-hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(460px, 1.18fr);
  gap: var(--space-6);
  align-items: stretch;
}

.skill-score-panel,
.skill-radar-panel {
  min-width: 0;
  border: 1px solid var(--border-soft);
  border-radius: 32px;
  background: #fff;
  box-shadow: var(--shadow-card);
}

.skill-score-panel {
  display: grid;
  align-content: space-between;
  gap: var(--space-5);
  padding: clamp(28px, 3vw, 40px);
  background:
    radial-gradient(circle at 88% 12%, rgba(99, 91, 255, 0.12), transparent 34%),
    linear-gradient(135deg, #fffdf8 0%, #f7f3ff 100%);
}

.skill-score-number {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  margin: var(--space-3) 0;
  color: var(--text-main);
}

.skill-score-number strong {
  font-size: clamp(72px, 9vw, 132px);
  font-weight: 900;
  line-height: 0.86;
  letter-spacing: -0.04em;
}

.skill-score-number span {
  padding-bottom: 10px;
  color: var(--text-secondary);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 850;
  line-height: 1;
}

.skill-score-panel p {
  max-width: 480px;
  color: var(--text-secondary);
  font-size: 1.03rem;
  line-height: 1.65;
}

.skill-score-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.skill-score-meta span {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: var(--space-4);
  border: 1px solid rgba(222, 216, 255, 0.76);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
}

.skill-score-meta b {
  overflow: hidden;
  color: var(--text-main);
  font-size: 1.15rem;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.skill-score-meta small {
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 750;
}

.skill-radar-panel {
  position: relative;
  display: grid;
  gap: var(--space-5);
  padding: clamp(24px, 2.5vw, 32px);
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 42%, rgba(99, 91, 255, 0.08), transparent 38%),
    linear-gradient(180deg, #ffffff 0%, #fffcf7 100%);
}

.skill-radar-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.skill-radar-header h3 {
  margin-bottom: 4px;
  color: var(--text-main);
  font-size: 1.4rem;
}

.skill-radar-header small {
  color: var(--text-secondary);
  line-height: 1.5;
}

.skill-radar-coach {
  width: clamp(82px, 8vw, 122px);
  height: auto;
  margin-top: -18px;
  margin-right: -12px;
  flex: 0 0 auto;
  filter: drop-shadow(0 18px 28px rgba(60, 44, 120, 0.12));
  pointer-events: none;
}

.skill-radar-visual {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
}

.skill-radar-canvas-wrap {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 330px;
  border: 1px solid rgba(222, 216, 255, 0.52);
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 48%, rgba(99, 91, 255, 0.08), transparent 44%),
    linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,252,247,0.76));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.88), 0 18px 42px rgba(60, 44, 120, 0.055);
}

.skill-radar-canvas-wrap canvas {
  width: min(100%, 680px);
  height: auto;
  cursor: crosshair;
}

.skill-radar-legend {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.skill-radar-legend-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  min-height: 42px;
  padding: 0 var(--space-3);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--text-secondary);
  text-align: left;
  will-change: transform;
  transition: transform 220ms cubic-bezier(.2,.8,.2,1), border-color 220ms ease, box-shadow 220ms ease, color 220ms ease, background 220ms ease;
}

.skill-radar-legend-row:hover,
.skill-radar-legend-row:focus-visible,
.skill-radar-legend-row.is-active {
  transform: translateY(-1px);
  border-color: var(--border-purple);
  background: #ffffff;
  color: var(--text-main);
  box-shadow: 0 10px 26px rgba(60, 44, 120, 0.08);
}

.skill-radar-legend-row span:nth-child(2) {
  overflow: hidden;
  font-size: 0.86rem;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.skill-radar-legend-row strong {
  color: var(--primary);
  font-size: 0.84rem;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(99, 91, 255, 0.08);
}

.skill-radar-tooltip {
  position: absolute;
  z-index: 3;
  display: grid;
  gap: 6px;
  width: min(260px, calc(100% - 32px));
  padding: var(--space-4);
  border: 1px solid var(--border-purple);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--text-secondary);
  box-shadow: var(--shadow-card-hover);
  transform: translate3d(0, 0, 0);
  pointer-events: none;
  animation: radarTooltipIn 160ms cubic-bezier(.2,.8,.2,1);
}

@keyframes radarTooltipIn {
  from { opacity: 0; transform: translate3d(0, 6px, 0) scale(0.98); }
  to { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
}

.skill-radar-tooltip strong {
  color: var(--text-main);
  font-size: 0.95rem;
}

.skill-radar-tooltip span,
.skill-radar-tooltip em {
  font-size: 0.82rem;
  line-height: 1.45;
}

.skill-radar-tooltip em {
  display: -webkit-box;
  overflow: hidden;
  color: var(--text-muted);
  font-style: normal;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.skill-card {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.skill-card:hover,
.skill-card.is-active {
  transform: translateY(-2px);
  border-color: var(--border-purple);
  box-shadow: var(--shadow-card-hover);
}

.skill-card-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.skill-card-metrics span {
  display: grid;
  gap: 2px;
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid rgba(238, 227, 210, 0.88);
  border-radius: 14px;
  background: #fffcf7;
}

.skill-card-metrics b {
  color: var(--text-main);
  font-size: 0.98rem;
  font-weight: 900;
}

.skill-card-metrics small {
  overflow: hidden;
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 1180px) {
  .skill-value-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .skill-score-panel,
  .skill-radar-panel {
    border-radius: 24px;
  }

  .skill-radar-coach {
    display: none;
  }

  .skill-score-meta,
  .skill-card-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .skill-radar-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .skill-radar-canvas-wrap {
    min-height: 240px;
  }

  .skill-radar-tooltip {
    display: none;
  }
}

.hidden {
  display: none !important;
}

.drill-card {
  display: grid;
  gap: 14px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.38);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  backdrop-filter: blur(14px) saturate(135%);
  -webkit-backdrop-filter: blur(14px) saturate(135%);
}

.drill-question {
  min-height: 78px;
  display: grid;
  align-content: center;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 850;
  line-height: 1.2;
}

.drill-answer {
  gap: 8px;
}

.drill-feedback {
  min-height: 24px;
  color: var(--muted);
  line-height: 1.4;
}

.resource-form {
  display: grid;
  grid-template-columns: 1fr 110px;
  gap: 8px;
  margin-bottom: 12px;
}

.resource-form input[type="file"] {
  grid-column: 1 / -1;
  padding: 9px 12px;
  height: auto;
}

.resource-form textarea,
.resource-form button {
  grid-column: 1 / -1;
}

.resource-list,
.history-list {
  display: grid;
  gap: 10px;
}

.resource-item,
.history-item {
  padding: 13px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.resource-item {
  background: rgba(255, 255, 255, 0.44);
}

.resource-top,
.history-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 7px;
}

.resource-top strong,
.history-top strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 9px;
}

.pill {
  padding: 4px 7px;
  border-radius: 999px;
  background: rgba(226, 235, 247, 0.72);
  color: #28537f;
  font-size: 0.75rem;
  font-weight: 800;
}

.muted-pill {
  background: rgba(255, 255, 255, 0.42);
  color: var(--muted);
}

.history-item p,
.resource-item p {
  color: var(--muted);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.resource-image {
  display: block;
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  margin-top: 10px;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.54);
}

.history-item {
  background: rgba(255, 255, 255, 0.5);
}

@media (max-width: 1040px) {
  .module-nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .skills-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .problem-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workspace-grid,
  .tool-grid,
  .interview-grid,
  .pk-grid,
  .account-grid,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .network-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .topbar {
    position: static;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
    padding-right: 16px;
    padding-left: 16px;
  }

  .module-nav {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-ticker {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .news-ticker-item {
    max-width: 320px;
  }

  .top-actions {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .summary-band {
    grid-template-columns: 1fr;
  }

  .summary-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-width: 0;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .problem-form,
  .problem-import,
  .problem-list,
  .news-form,
  .news-list,
  .network-form,
  .network-list,
  .leaderboard-controls,
  .settings-actions {
    grid-template-columns: 1fr;
  }

  .account-avatar-row {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .problem-actions {
    width: 100%;
  }

  .problem-actions input {
    width: 100%;
  }

  .form-row {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .community-compose-actions {
    align-items: stretch;
  }

  .form-row input,
  .form-row select,
  .primary-button {
    flex: 1 1 130px;
    max-width: none;
  }

  .resource-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  main {
    width: min(100% - 20px, 1220px);
    padding-top: 14px;
  }

  .topbar {
    padding: 14px 10px;
    gap: 10px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .top-actions {
    width: 100%;
    gap: 5px;
    justify-content: flex-start;
  }

  .top-region-rank {
    padding: 5px 8px 5px 5px;
    font-size: 0.88rem;
  }

  .module-nav {
    grid-template-columns: 1fr;
  }

  .user-chip {
    flex: 0 1 165px;
    max-width: 165px;
  }

  .user-chip strong,
  .user-chip small {
    max-width: 110px;
  }

  .config-row {
    grid-template-columns: 1fr;
  }

  .icon-button {
    width: 36px;
    height: 36px;
  }

  .summary-metrics {
    grid-template-columns: 1fr;
  }

  .panel-heading,
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .drill-answer {
    flex-wrap: wrap;
  }

  .view-tabs,
  .segmented {
    width: 100%;
  }

  .tab,
  .segment {
    flex: 1 1 0;
    padding: 0 8px;
  }
}

/* Premium white refresh */
body {
  background:
    linear-gradient(#f7f7f5, #f7f7f5),
    var(--paper);
}

::selection {
  background: #171717;
  color: #fff;
}

.topbar {
  background: rgba(247, 247, 245, 0.92);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.brand-mark,
.avatar {
  background: #171717;
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

h1,
h2,
h3,
.total-xp span:first-child {
  letter-spacing: 0;
}

main {
  width: min(1240px, calc(100% - 40px));
}

.module-nav,
.news-ticker,
.auth-panel,
.summary-band,
.problem-form,
.problem-card,
.interview-setup,
.interview-console,
.pk-arena,
.pk-feed,
.news-form,
.news-card,
.news-detail,
.account-panel,
.settings-panel,
.network-form,
.network-card,
.community-panel,
.community-form,
.community-card,
.log-panel,
.leaderboard-panel,
.drill-panel,
.resource-panel,
.skill-card,
.radar-wrap,
.resource-item,
.history-item,
.top-region-rank,
.user-chip {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.auth-panel,
.news-detail,
.summary-band {
  box-shadow: var(--shadow);
}

.auth-panel {
  width: min(760px, 100%);
  gap: 20px;
  padding: clamp(26px, 5vw, 56px);
  border-radius: 28px;
}

.auth-copy {
  gap: 12px;
}

.auth-copy h2 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  letter-spacing: 0;
}

.auth-copy p {
  max-width: 560px;
  color: #5f5f5f;
  font-size: 1rem;
}

.auth-tabs,
.view-tabs,
.segmented {
  background: #f5f5f3;
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.tab.active,
.segment.active,
.module-tab.active {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.module-nav {
  background: rgba(255, 255, 255, 0.88);
  border-color: var(--line);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.045);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  grid-template-columns: repeat(11, minmax(92px, 1fr));
  overflow-x: auto;
  scrollbar-width: thin;
}

.module-tab {
  color: #656565;
  font-weight: 760;
  white-space: nowrap;
}

.module-tab:hover {
  background: #f7f7f5;
  color: var(--ink);
}

.news-ticker {
  background: #fff;
  border-color: var(--line);
}

.ticker-label {
  background: #171717;
  color: #fff;
}

.news-ticker-item,
.google-config,
.summary-metrics div,
.region-rank,
.interview-console-head,
.interview-transcript,
.message,
.pk-scoreboard div,
.pk-problem,
.pk-feed-item,
.news-impact,
.news-link,
.account-meta-panel dl div,
.community-media-preview,
.community-media,
.community-comment,
.drill-card,
.leaderboard-item,
.subskills span,
.resource-item,
.history-item,
.interview-favorite-item {
  background: #fbfbfa;
  border: 1px solid var(--line-bright);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.news-ticker-item span,
.news-impact strong,
.leaderboard-item strong {
  color: #3f4f49;
}

.rank-label,
.read-badge,
.network-status,
.auto-chip.active {
  background: #f5f5f3;
  border: 1px solid var(--line);
  color: #3f3f3f;
}

.medal.gold {
  background: #8c6a36;
}

.medal.silver {
  background: #7c8289;
}

.medal.bronze {
  background: #875f49;
}

.language-select,
textarea,
input,
select {
  background: #fff;
  border: 1px solid #dcdcdc;
  color: var(--ink);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

textarea::placeholder,
input::placeholder {
  color: #9a9a9a;
}

textarea:focus,
input:focus,
select:focus {
  border-color: #171717;
  box-shadow: 0 0 0 3px rgba(23, 23, 23, 0.08);
}

.auth-form label,
.account-panel label,
.settings-panel label,
.interview-setup label,
.interview-answer-file,
.interview-pdf-row {
  color: #292929;
}

.auth-form input {
  height: 54px;
  border-radius: 999px;
  padding: 0 20px;
  font-size: 1rem;
}

.icon-button,
.primary-button,
.secondary-button,
.segment,
.tab,
.news-link,
.interview-category-chip {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.icon-button:hover,
.primary-button:hover,
.secondary-button:hover,
.segment:hover,
.tab:hover,
.news-link:hover,
.interview-category-chip:hover,
.user-chip:hover,
.user-chip:focus-visible {
  transform: translateY(-1px);
  border-color: #171717;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.08);
}

.primary-button,
.accent {
  background: #171717;
  border-color: #171717;
  color: #fff;
}

.primary-button:hover,
.accent:hover {
  background: #000;
  border-color: #000;
}

.secondary-button {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.danger-action,
.active-like {
  background: #fff7f7;
  border-color: #e6caca;
  color: var(--rose);
}

.summary-band {
  background: #fff;
}

.summary-metrics div {
  padding: 18px;
}

.problem-card,
.news-card,
.network-card,
.community-card,
.skill-card,
.resource-item,
.history-item {
  transition: transform 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

.problem-card:hover,
.news-card:hover,
.news-card:focus-visible,
.network-card:hover,
.community-card:hover,
.skill-card:hover,
.resource-item:hover,
.history-item:hover {
  transform: translateY(-1px);
  border-color: #cfcfcb;
  box-shadow: var(--shadow);
}

.news-card.spotlight,
.news-card.read,
.leaderboard-item.current {
  border-color: #171717;
  box-shadow: inset 3px 0 0 #171717, var(--shadow-soft);
}

.message.user {
  background: #f1f4f7;
}

.message.coach {
  background: #f1f4f2;
}

.message.system {
  background: #f7f3ed;
}

.interview-timer {
  background: #f5f5f3;
  border-color: var(--line);
  color: var(--ink);
}

.interview-category-chip.active {
  background: #171717;
  border-color: #171717;
  color: #fff;
}

.progress-track {
  background: #eeeeec;
  border: 0;
}

.skill-icon {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.24);
}

.pill {
  background: #f2f4f6;
  color: #4f6274;
}

.muted-pill,
.auto-chip {
  background: #f5f5f3;
  border-color: var(--line);
  color: var(--muted);
}

.tag-picker label {
  background: #fff;
  border-color: var(--line);
}

.tag-picker input {
  accent-color: #171717;
}

.community-media-preview img,
.community-media img,
.community-media-preview video,
.community-media video,
.resource-image {
  background: #fff;
}

.divider {
  color: #a2a2a2;
}

.divider::before,
.divider::after {
  background: #ddddda;
}

.auth-message,
.analysis-preview,
.drill-feedback,
.problem-card p,
.news-card p,
.news-detail p,
.network-card p,
.history-item p,
.resource-item p,
.problem-prompt {
  color: #686868;
}

@media (max-width: 760px) {
  main {
    width: min(100% - 28px, 1240px);
  }

  .auth-panel {
    padding: 28px 20px;
    border-radius: 22px;
  }
}

/* Image-to-UI reference layout */
body.is-authenticated {
  padding: clamp(10px, 2vw, 26px);
  background:
    radial-gradient(circle at 10% 0%, rgba(255, 240, 215, 0.72), transparent 30%),
    radial-gradient(circle at 86% 12%, rgba(231, 230, 255, 0.62), transparent 30%),
    linear-gradient(180deg, #fffaf4 0%, #fffdf9 48%, #f8f6f1 100%);
}

body.is-authenticated .topbar {
  position: sticky;
  top: 10px;
  z-index: 20;
  width: min(1448px, 100%);
  min-height: 48px;
  margin: 0 auto;
  padding: 0 clamp(18px, 2.5vw, 36px);
  border: 1px solid #eadfce;
  border-bottom-color: #efe6d8;
  border-radius: 26px 26px 0 0;
  background: rgba(255, 253, 249, 0.88);
  box-shadow: 0 18px 60px rgba(92, 64, 28, 0.10);
}

body.is-authenticated .topbar > * {
  display: none !important;
}

body.is-authenticated .topbar::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 28px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ef6a5d;
  box-shadow: 24px 0 0 #f2bd55, 48px 0 0 #78bd6d;
}

body.is-authenticated .topbar::after {
  content: "quantgym.com";
  position: absolute;
  top: 10px;
  left: 50%;
  width: min(480px, 42vw);
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid #e8ded2;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.66);
  color: #697087;
  font-size: 0.84rem;
  font-weight: 760;
  transform: translateX(-50%);
}

body.is-authenticated .brand-mark,
body.is-authenticated .avatar {
  background: linear-gradient(135deg, #6960ff, #88a7ff);
  color: #fff;
}

body.is-authenticated #appShell {
  position: relative;
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  gap: 0;
  width: min(1448px, 100%);
  min-height: calc(100vh - 92px);
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
  background: rgba(255, 253, 249, 0.92);
  border: 1px solid #eadfce;
  border-top: 0;
  border-radius: 0 0 26px 26px;
  box-shadow: 0 28px 80px rgba(92, 64, 28, 0.12);
}

body.is-authenticated #appShell > :not(.module-nav) {
  grid-column: 2;
  min-width: 0;
}

body.is-authenticated .module-nav {
  position: sticky;
  top: 66px;
  grid-column: 1;
  grid-row: 1 / span 20;
  display: flex;
  flex-direction: column;
  align-self: start;
  gap: 10px;
  height: calc(100vh - 140px);
  min-height: 720px;
  margin: 0;
  padding: 86px 22px 24px;
  overflow: hidden;
  border: 0;
  border-right: 1px solid #efe6d8;
  border-radius: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 250, 243, 0.92)),
    #fffdf9;
  box-shadow: none;
}

body.is-authenticated .module-nav::before {
  content: none;
  display: none;
}

body.is-authenticated .sidebar-brand {
  position: absolute;
  top: 26px;
  right: 22px;
  left: 26px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

body.is-authenticated .sidebar-brand img {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 10px 16px rgba(80, 72, 220, 0.14));
}

body.is-authenticated .sidebar-brand strong {
  color: #1d2551;
  font-size: 1.34rem;
  font-weight: 900;
  line-height: 1;
}

body.is-authenticated .module-nav::after {
  content: "";
  position: absolute;
  right: 22px;
  bottom: 26px;
  left: 22px;
  height: 214px;
  border: 1px solid #efe4d7;
  border-radius: 18px;
  background:
    url("assets/generated/quanty-side-coach.webp?v=premium-system-2") center 20px / 156px auto no-repeat,
    linear-gradient(180deg, #fff, #f8f2ff);
  box-shadow: 0 16px 36px rgba(92, 64, 28, 0.08);
}

body.is-authenticated .module-tab {
  justify-content: flex-start;
  min-height: 44px;
  padding: 9px 16px;
  border-radius: 16px;
  color: #697087;
  font-weight: 760;
}

body.is-authenticated .module-tab svg {
  width: 21px;
  height: 21px;
}

body.is-authenticated .module-tab.active {
  background: #f0efff;
  border-color: #f0efff;
  color: #5149e9;
  box-shadow: none;
}

body.is-authenticated .module-tab:hover {
  background: #f7f4ff;
  border-color: #f7f4ff;
  color: #5149e9;
  box-shadow: none;
  transform: none;
}

.app-command-bar {
  display: grid;
  grid-template-columns: minmax(260px, 430px) minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: 22px clamp(22px, 3vw, 44px) 16px;
}

.app-search {
  position: relative;
  display: block;
}

.app-search svg {
  position: absolute;
  top: 50%;
  left: 18px;
  width: 20px;
  height: 20px;
  color: #858ba0;
  transform: translateY(-50%);
  pointer-events: none;
}

.app-search input {
  height: 46px;
  padding: 0 18px 0 48px;
  border-color: #eadfce;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(92, 64, 28, 0.05);
}

.global-search-results {
  position: absolute;
  z-index: 30;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  display: grid;
  gap: 6px;
  max-height: min(520px, 70vh);
  overflow: auto;
  padding: 10px;
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-card);
}

.global-search-result {
  display: grid;
  gap: 3px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  color: var(--text-main);
  text-align: left;
}

.global-search-result:hover,
.global-search-result:focus-visible {
  border-color: var(--border-purple);
  background: var(--primary-soft);
  outline: none;
}

.global-search-result-meta,
.global-search-result small,
.global-search-empty {
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.global-search-result strong {
  font-size: 0.94rem;
  line-height: 1.25;
}

.global-search-empty {
  padding: 10px 12px;
}

.app-command-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  min-width: 0;
}

.app-stat-pill,
.app-new-post {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid #eadfce;
  border-radius: 999px;
  background: #fff;
  color: #171b2a;
  box-shadow: 0 12px 30px rgba(92, 64, 28, 0.05);
}

.stat-art {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  filter: drop-shadow(0 5px 8px rgba(92, 64, 28, 0.10));
}

.stat-art-fire {
  background-image: url("assets/generated/reward-fire.webp");
}

.stat-art-xp {
  background-image: url("assets/generated/reward-xp.webp");
}

.app-stat-pill strong {
  font-size: 1rem;
}

.app-stat-pill small {
  color: #697087;
  font-weight: 750;
}

.app-new-post {
  border-color: #5d56f3;
  background: linear-gradient(135deg, #6c63ff, #5048df);
  color: #fff;
  font-weight: 850;
}

.app-new-post svg {
  width: 18px;
  height: 18px;
}

body.is-authenticated .module-view,
body.is-authenticated .news-ticker {
  margin-right: clamp(18px, 3vw, 36px);
  margin-left: clamp(18px, 3vw, 36px);
}

body.is-authenticated .module-view {
  padding-bottom: 30px;
}

.quanty-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.56fr) minmax(280px, 0.44fr);
  align-items: center;
  min-height: 360px;
  margin-bottom: 20px;
  overflow: hidden;
  border: 1px solid #f0dec7;
  border-radius: 22px;
  background:
    radial-gradient(circle at 78% 48%, rgba(255, 255, 255, 0.92), transparent 34%),
    linear-gradient(135deg, #fff7ee 0%, #f5efff 54%, #ece8ff 100%);
  box-shadow: 0 20px 46px rgba(95, 74, 168, 0.11);
}

.quanty-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 70% 18%, rgba(255, 196, 91, 0.56) 0 2px, transparent 3px),
    radial-gradient(circle at 88% 66%, rgba(255, 255, 255, 0.92) 0 2px, transparent 3px);
  pointer-events: none;
}

.quanty-hero-copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
  padding: clamp(26px, 4vw, 48px);
}

.hero-kicker {
  color: #4c5267;
  font-weight: 750;
}

.quanty-hero h2 {
  max-width: 430px;
  font-size: clamp(2.2rem, 4vw, 3.75rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.quanty-hero p {
  max-width: 360px;
  color: #4c5267;
  font-size: 1.05rem;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.quanty-hero img {
  position: relative;
  z-index: 1;
  width: min(90%, 410px);
  align-self: end;
  justify-self: center;
  filter: drop-shadow(0 18px 28px rgba(70, 54, 113, 0.14));
}

.feature-launch-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.feature-launch-card {
  position: relative;
  display: block;
  padding: 0;
  overflow: hidden;
  border: 1px solid #eadfce;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(92, 64, 28, 0.055);
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.feature-launch-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1.397 / 1;
  height: auto;
  object-fit: cover;
}

.feature-launch-card:hover,
.feature-launch-card:focus-visible {
  border-color: rgba(95, 88, 240, 0.42);
  box-shadow: 0 18px 42px rgba(83, 70, 155, 0.12);
  transform: translateY(-2px);
  outline: none;
}

body.is-authenticated .summary-band {
  grid-template-columns: minmax(0, 1fr) minmax(360px, auto);
  margin-bottom: 20px;
  border-color: #eadfce;
  border-radius: 18px;
  background: #fff;
}

body.is-authenticated .summary-metrics div,
body.is-authenticated .log-panel,
body.is-authenticated .leaderboard-panel,
body.is-authenticated .problem-card,
body.is-authenticated .interview-setup,
body.is-authenticated .interview-console,
body.is-authenticated .news-card,
body.is-authenticated .network-card,
body.is-authenticated .community-card,
body.is-authenticated .skill-card,
body.is-authenticated .resource-item,
body.is-authenticated .history-item {
  border-color: #eadfce;
  border-radius: 18px;
  box-shadow: 0 14px 34px rgba(92, 64, 28, 0.055);
}

body.is-authenticated .workspace-grid,
body.is-authenticated .tool-grid,
body.is-authenticated .pk-grid,
body.is-authenticated .account-grid,
body.is-authenticated .settings-grid {
  gap: 20px;
}

body.is-authenticated .leaderboard-panel {
  position: relative;
  overflow: hidden;
}

body.is-authenticated .leaderboard-panel::after {
  content: "";
  display: block;
  width: 100%;
  height: 96px;
  margin-top: 18px;
  border: 1px solid #efe4d7;
  border-radius: 14px;
  background:
    url("assets/generated/quanty-badge-strip.webp") center / 92% auto no-repeat,
    linear-gradient(135deg, #fff8ef, #f5f4ff);
}

body.is-authenticated .summary-metrics .metric-card {
  position: relative;
  min-height: 116px;
  padding-left: 82px;
}

body.is-authenticated .summary-metrics .metric-card::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 18px;
  width: 50px;
  height: 50px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  filter: drop-shadow(0 9px 14px rgba(95, 74, 168, 0.14));
  transform: translateY(-50%);
}

body.is-authenticated .summary-metrics .metric-streak::before {
  background-image: url("assets/generated/reward-fire.webp");
}

body.is-authenticated .summary-metrics .metric-records::before {
  background-image: url("assets/generated/reward-calendar.webp");
}

body.is-authenticated .summary-metrics .metric-xp::before {
  background-image: url("assets/generated/reward-xp.webp");
}

body.is-authenticated .medal,
body.is-authenticated .leaderboard-rank {
  width: 42px;
  height: 42px;
  border-radius: 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  color: transparent;
  text-indent: -999px;
  overflow: hidden;
}

body.is-authenticated .medal {
  width: 32px;
  height: 32px;
}

body.is-authenticated .medal.gold,
body.is-authenticated .leaderboard-rank.gold {
  background-image: url("assets/generated/reward-medal-gold.webp");
}

body.is-authenticated .medal.silver,
body.is-authenticated .leaderboard-rank.silver {
  background-image: url("assets/generated/reward-medal-silver.webp");
}

body.is-authenticated .medal.bronze,
body.is-authenticated .leaderboard-rank.bronze {
  background-image: url("assets/generated/reward-medal-bronze.webp");
}

body.is-authenticated .medal.plain,
body.is-authenticated .leaderboard-rank.plain {
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #f3efff;
  color: #514be0;
  text-indent: 0;
  border: 1px solid #ded7ff;
}

body.is-authenticated .leaderboard-score {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  min-width: max-content;
}

body.is-authenticated .leaderboard-score img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

body.is-authenticated .news-ticker {
  border-color: #eadfce;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(92, 64, 28, 0.05);
}

body.is-authenticated .ticker-label {
  border-radius: 12px;
  background: #171b2a;
}

body.is-authenticated .primary-button,
body.is-authenticated .accent {
  border-color: #5d56f3;
  background: linear-gradient(135deg, #6c63ff, #5149e9);
  color: #fff;
}

body.is-authenticated .secondary-button {
  border-color: #dedcf9;
  background: #fff;
  color: #5149e9;
}

body.is-authenticated input,
body.is-authenticated textarea,
body.is-authenticated select {
  border-color: #eadfce;
  border-radius: 14px;
}

body.is-authenticated textarea:focus,
body.is-authenticated input:focus,
body.is-authenticated select:focus {
  border-color: #625cf2;
  box-shadow: 0 0 0 4px rgba(98, 92, 242, 0.10);
}

body.is-authenticated .rank-label,
body.is-authenticated .pill,
body.is-authenticated .auto-chip,
body.is-authenticated .read-badge,
body.is-authenticated .network-status {
  border-color: #dedcf9;
  background: #f2f1ff;
  color: #5149e9;
}

body.is-authenticated .skills-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

body.is-authenticated .problem-list,
body.is-authenticated .network-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body.is-authenticated .news-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 1180px) {
  body.is-authenticated #appShell {
    grid-template-columns: 1fr;
  }

  body.is-authenticated #appShell > :not(.module-nav),
  body.is-authenticated .module-nav {
    grid-column: 1;
  }

  body.is-authenticated .module-nav {
    position: static;
    display: grid;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    height: auto;
    min-height: 0;
    padding: 24px;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid #efe6d8;
  }

  body.is-authenticated .module-nav::before,
  body.is-authenticated .module-nav::after,
  body.is-authenticated .sidebar-brand {
    display: none;
  }

  .app-command-bar {
    grid-template-columns: 1fr;
  }

  .app-command-actions {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .feature-launch-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  body.is-authenticated {
    padding: 0;
  }

  body.is-authenticated .topbar,
  body.is-authenticated #appShell {
    width: 100%;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  body.is-authenticated .topbar {
    top: 0;
  }

  body.is-authenticated .brand {
    margin-left: 0;
  }

  body.is-authenticated .topbar::before {
    display: none;
  }

  body.is-authenticated .module-nav {
    display: flex;
    flex-direction: row;
    gap: 8px;
    padding: 14px;
  }

  body.is-authenticated .module-tab {
    flex: 0 0 auto;
    min-width: 118px;
  }

  .app-command-bar {
    padding: 14px;
  }

  .app-command-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    overflow: visible;
  }

  .app-stat-pill,
  .app-new-post {
    min-width: 0;
    min-height: 42px;
    padding: 0 9px;
    justify-content: center;
  }

  .app-stat-pill small,
  .app-new-post span {
    display: none;
  }

  body.is-authenticated .module-view,
  body.is-authenticated .news-ticker {
    margin-right: 14px;
    margin-left: 14px;
  }

  .quanty-hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .quanty-hero img {
    width: min(84%, 330px);
    margin-bottom: 20px;
  }

  .feature-launch-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  body.is-authenticated .summary-band,
  body.is-authenticated .summary-metrics {
    grid-template-columns: 1fr;
  }

  body.is-authenticated .skills-grid,
  body.is-authenticated .problem-list,
  body.is-authenticated .network-list,
  body.is-authenticated .news-list,
  body.is-authenticated .jobs-list,
  body.is-authenticated .course-list {
    grid-template-columns: 1fr;
  }
}

/* Problem detail flow */
.problem-card {
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.problem-card:hover,
.problem-card:focus-visible {
  border-color: rgba(95, 88, 240, 0.42);
  box-shadow: 0 18px 42px rgba(83, 70, 155, 0.12);
  transform: translateY(-2px);
  outline: none;
}

.problem-card .problem-prompt {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 5;
}

.problem-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 8px;
  color: #514be0;
  font-size: 0.9rem;
  font-weight: 850;
}

.problem-card-footer svg {
  width: 18px;
  height: 18px;
}

.problem-detail {
  display: grid;
  gap: 18px;
  padding: clamp(18px, 3vw, 34px);
  border: 1px solid #eadfce;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(92, 64, 28, 0.07);
}

.problem-detail-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.problem-detail h2 {
  max-width: 920px;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.12;
}

.problem-detail-block {
  display: grid;
  gap: 12px;
  padding: clamp(16px, 2vw, 24px);
  border: 1px solid #eee4d8;
  border-radius: 18px;
  background: linear-gradient(180deg, #fff, #fffbf5);
}

.problem-detail-block h3 {
  font-size: 1.05rem;
}

.problem-detail-body {
  color: #343642;
  line-height: 1.72;
}

.problem-detail-body p + p,
.problem-detail-body p + ul,
.problem-detail-body ul + p {
  margin-top: 12px;
}

/* Premium product-system refinement */
body.is-authenticated {
  padding: clamp(var(--space-4), 2vw, var(--space-8));
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 0%, rgba(255, 248, 238, 0.94), transparent 34%),
    radial-gradient(circle at 86% 10%, rgba(236, 233, 255, 0.68), transparent 30%),
    var(--bg-app);
}

body.is-authenticated .topbar {
  display: none;
}

body.is-authenticated #appShell {
  grid-template-columns: 280px minmax(0, 1fr);
  width: min(1440px, 100%);
  min-height: calc(100vh - 64px);
  background: rgba(255, 252, 247, 0.82);
  border: 1px solid var(--border-soft);
  border-radius: 32px;
  border-color: var(--border-soft);
  box-shadow: 0 24px 70px rgba(60, 44, 120, 0.08);
}

body.is-authenticated .module-nav {
  gap: var(--space-2);
  top: 0;
  height: calc(100vh - 64px);
  min-height: 720px;
  padding: var(--space-8) 28px 28px;
  overflow-y: auto;
  border-right-color: var(--border-soft);
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.94), rgba(255, 250, 244, 0.86));
}

body.is-authenticated .module-nav::after {
  display: none;
}

body.is-authenticated .sidebar-brand {
  position: static;
  min-height: 52px;
  margin-bottom: var(--space-5);
}

body.is-authenticated .sidebar-brand img {
  width: 46px;
  height: 46px;
}

body.is-authenticated .sidebar-brand strong {
  color: var(--text-main);
  font-size: 1.38rem;
}

body.is-authenticated .module-tab {
  min-height: 52px;
  gap: 14px;
  padding: 0 18px;
  border: 0;
  border-radius: 18px;
  color: var(--text-secondary);
  font-weight: 650;
}

body.is-authenticated .module-tab svg {
  width: 21px;
  height: 21px;
  color: currentColor;
}

body.is-authenticated .module-tab.active {
  background: linear-gradient(135deg, #f0edff 0%, #f8f6ff 100%);
  color: var(--primary);
  box-shadow: inset 0 0 0 1px rgba(99, 91, 255, 0.14);
}

body.is-authenticated .module-tab:focus-visible {
  outline: none;
  box-shadow:
    inset 0 0 0 1px rgba(99, 91, 255, 0.18),
    0 0 0 4px rgba(99, 91, 255, 0.12);
}

body.is-authenticated .module-tab:hover {
  background: rgba(244, 240, 255, 0.72);
  color: var(--primary);
}

.module-nav-group {
  display: grid;
  gap: 3px;
  margin-bottom: var(--space-3);
}

.module-nav-label {
  padding: 0 18px 5px;
  color: var(--text-muted);
  font-size: 0.69rem;
  font-weight: 800;
}

body.is-authenticated .module-nav-group .module-tab {
  min-height: 40px;
  border-radius: 10px;
}

body.is-authenticated .module-nav-group.compact {
  margin-bottom: var(--space-4);
}

.sidebar-helper {
  display: grid;
  justify-items: center;
  gap: var(--space-2);
  margin-top: auto;
  padding: 18px 16px 20px;
  border: 1px solid var(--border-soft);
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #fbf8ff 100%);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.sidebar-helper img {
  width: 132px;
  height: 112px;
  object-fit: contain;
  object-position: center bottom;
}

.sidebar-helper strong {
  color: var(--text-main);
  font-size: 0.98rem;
  font-weight: 800;
}

.sidebar-helper span {
  color: var(--text-secondary);
  font-size: 0.86rem;
  font-weight: 650;
}

.app-command-bar {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-8) var(--space-10) var(--space-5);
}

.app-search {
  flex: 1 1 480px;
  max-width: 540px;
  min-width: 280px;
}

.app-search input {
  height: 52px;
  border-color: var(--border-soft);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 8px 24px rgba(60, 44, 120, 0.04);
}

.app-command-actions {
  flex: 0 0 auto;
  gap: var(--space-3);
}

.app-stat-pill,
.app-account-chip,
.app-settings-button {
  min-height: 48px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--text-main);
  box-shadow: 0 8px 24px rgba(60, 44, 120, 0.04);
}

.app-account-chip,
.app-settings-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
}

.app-account-chip {
  gap: var(--space-3);
  min-width: 156px;
  padding: 0 var(--space-4) 0 var(--space-2);
}

.app-account-avatar {
  width: 38px;
  height: 38px;
  background: #f4f0ff;
  box-shadow: none;
}

.app-account-meta {
  display: grid;
  gap: 2px;
  min-width: 0;
  text-align: left;
}

.app-account-meta strong,
.app-account-meta small {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.app-account-meta strong {
  max-width: 96px;
  color: var(--text-main);
  font-size: 0.94rem;
  font-weight: 800;
}

.app-account-meta small {
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
}

.app-settings-button {
  width: 52px;
  padding: 0;
  color: var(--text-secondary);
}

.app-settings-button svg {
  width: 20px;
  height: 20px;
}

.app-account-chip:hover,
.app-settings-button:hover {
  border-color: var(--border-purple);
  color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.app-account-chip:focus-visible,
.app-settings-button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(99, 91, 255, 0.12), var(--shadow-card);
}

.app-new-post {
  white-space: nowrap;
}

.app-stat-pill small {
  color: var(--text-secondary);
  font-weight: 650;
  white-space: nowrap;
}

.streak-pill {
  position: relative;
  overflow: visible;
}

.streak-pill.is-burning {
  border-color: rgba(255, 119, 28, 0.38);
  animation: streakPulse 760ms ease both;
}

.streak-pill.is-burning .stat-art-fire {
  animation: flameBounce 720ms ease both;
}

.streak-burst {
  position: absolute;
  top: -16px;
  right: 18px;
  display: grid;
  place-items: center;
  min-width: 34px;
  height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff7a1a, #ffcf4a);
  color: #fff;
  font-size: 0.84rem;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(255, 118, 31, 0.24);
  animation: streakBurst 920ms ease forwards;
  pointer-events: none;
}

@keyframes streakPulse {
  0% { transform: scale(1); }
  35% { transform: scale(1.045); }
  100% { transform: scale(1); }
}

@keyframes flameBounce {
  0% { transform: translateY(0) scale(1); filter: saturate(1); }
  35% { transform: translateY(-4px) scale(1.16); filter: saturate(1.25); }
  100% { transform: translateY(0) scale(1); filter: saturate(1); }
}

@keyframes streakBurst {
  0% { opacity: 0; transform: translateY(8px) scale(0.82); }
  20% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-24px) scale(0.96); }
}

body.is-authenticated .module-view,
body.is-authenticated .news-ticker {
  margin-right: var(--space-10);
  margin-left: var(--space-10);
}

.news-ticker {
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  height: 58px;
  min-height: 58px;
  margin-bottom: var(--space-8);
  padding: var(--space-2);
  overflow: hidden;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.76);
  border-color: var(--border-soft);
  box-shadow: 0 8px 24px rgba(60, 44, 120, 0.04);
}

.ticker-label {
  min-height: 38px;
  padding: 0 16px;
  border-radius: 14px;
  background: var(--text-main);
}

.news-ticker-track {
  gap: var(--space-2);
}

.news-ticker-item {
  width: 330px;
  min-height: 38px;
  max-width: 330px;
  padding: 0 16px;
  border-color: #efe7d8;
  border-radius: 14px;
  background: #fff;
  box-shadow: none;
}

.news-ticker-item span {
  flex: 0 0 auto;
  color: var(--primary);
  font-size: 0.76rem;
}

.news-ticker-item strong {
  min-width: 0;
  color: var(--text-main);
  font-weight: 760;
  white-space: nowrap;
}

.quanty-hero {
  display: block;
  min-height: 380px;
  margin-bottom: var(--space-8);
  padding: 56px 64px;
  border-color: var(--border-soft);
  border-radius: 32px;
  background:
    radial-gradient(circle at 78% 42%, rgba(99, 91, 255, 0.16), transparent 34%),
    linear-gradient(135deg, #fffdf8 0%, #f4f0ff 100%);
  box-shadow: var(--shadow-card);
}

.quanty-hero::before {
  content: "";
  position: absolute;
  right: 70px;
  bottom: 20px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 91, 255, 0.18), transparent 65%);
  pointer-events: none;
}

.quanty-hero::after {
  opacity: 0.55;
}

.quanty-hero-copy {
  max-width: 520px;
  gap: var(--space-4);
  padding: 0;
}

.hero-kicker {
  color: var(--text-secondary);
  font-size: 1.125rem;
  font-weight: 700;
}

.quanty-hero h2 {
  max-width: 520px;
  color: var(--text-main);
  font-size: clamp(2.65rem, 4.4vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: 0;
  font-weight: 800;
}

.quanty-hero p {
  max-width: 520px;
  color: var(--text-secondary);
  font-size: 1.25rem;
  line-height: 1.65;
}

.hero-actions {
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.today-plan-card {
  display: grid;
  gap: var(--space-4);
  width: min(100%, 520px);
  margin-top: var(--space-3);
  padding: 18px;
  border: 1px solid rgba(222, 216, 255, 0.9);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 14px 34px rgba(60, 44, 120, 0.07);
  backdrop-filter: blur(8px);
}

.today-plan-card.just-created {
  animation: planEnter 520ms ease both;
}

.today-plan-top {
  display: grid;
  gap: 3px;
}

.today-plan-top strong {
  color: var(--text-main);
  font-size: 1rem;
  font-weight: 850;
}

.today-plan-top span,
.today-plan-card small {
  color: var(--text-secondary);
  line-height: 1.45;
}

.today-plan-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.today-plan-card li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  min-width: 0;
}

.plan-dot {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 15px;
  background: linear-gradient(135deg, #ece9ff, #fff6e7);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 900;
}

.today-plan-card li strong {
  display: block;
  margin-bottom: 2px;
  color: var(--text-main);
  font-size: 0.94rem;
}

.today-plan-card li.done {
  opacity: 0.62;
}

.today-plan-card li.done strong {
  text-decoration: line-through;
}

.today-plan-open {
  justify-self: start;
  min-height: 38px;
  padding: 0 13px;
  font-size: 0.9rem;
}

.prep-plan-section {
  display: grid;
  gap: 24px;
  padding-bottom: 36px;
}

.prep-plan-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 34px;
  border-bottom: 1px solid var(--border-soft);
  background: #fff;
}

.prep-plan-header div {
  display: grid;
  gap: 10px;
}

.prep-plan-header h2 {
  font-size: 1.9rem;
  line-height: 1.2;
}

.prep-plan-header p {
  max-width: 680px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.prep-plan-setup {
  display: grid;
  gap: 22px;
  max-width: 980px;
  padding: 28px 34px 34px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #fff;
}

.prep-setup-heading {
  display: grid;
  gap: 5px;
}

.prep-setup-heading strong {
  font-size: 1.2rem;
}

.prep-setup-heading span,
.prep-panel-heading p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.5;
}

.prep-choice-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}

.prep-choice-group.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.prep-choice-group legend {
  grid-column: 1 / -1;
  margin-bottom: 3px;
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 750;
}

.prep-choice {
  position: relative;
  display: grid;
  gap: 5px;
  min-height: 94px;
  padding: 15px 16px 14px 43px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.prep-choice:has(input:checked) {
  border-color: var(--primary);
  background: #f7f6ff;
}

.prep-choice input {
  position: absolute;
  top: 17px;
  left: 16px;
  accent-color: var(--primary);
}

.prep-choice strong {
  font-size: 0.96rem;
}

.prep-choice span {
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.42;
}

.prep-setup-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 280px));
  gap: 16px;
}

.prep-setup-fields label {
  display: grid;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 650;
}

.prep-setup-fields select {
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #fff;
  color: var(--text-main);
}

.prep-create-button {
  justify-self: start;
  min-width: 156px;
}

.prep-plan-dashboard {
  display: grid;
  gap: 24px;
}

.prep-status-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 26px 30px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #fff;
}

.prep-status-copy {
  display: grid;
  gap: 8px;
}

.prep-status-label {
  color: var(--primary);
  font-size: 0.74rem;
  font-weight: 800;
}

.prep-status-copy h3 {
  font-size: 1.42rem;
}

.prep-status-copy p {
  max-width: 550px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.prep-status-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(100px, auto));
  gap: 10px;
}

.prep-status-metrics div {
  display: grid;
  align-content: center;
  gap: 5px;
  min-height: 76px;
  padding: 10px 15px;
  border-left: 1px solid var(--border-soft);
}

.prep-status-metrics strong {
  max-width: 148px;
  color: var(--text-main);
  font-size: 1.08rem;
  line-height: 1.25;
}

.prep-status-metrics span {
  color: var(--text-secondary);
  font-size: 0.76rem;
}

.prep-dashboard-grid {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(340px, 0.92fr);
  align-items: start;
  gap: 20px;
}

.prep-work-panel,
.prep-assessment-panel,
.prep-process-section,
.prep-source-section {
  display: grid;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #fff;
}

.prep-panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 14px;
}

.prep-panel-heading h3 {
  margin-bottom: 4px;
  font-size: 1.12rem;
}

.prep-panel-heading .compact {
  min-height: 34px;
  padding: 0 10px;
  font-size: 0.8rem;
  white-space: nowrap;
}

.prep-task-list {
  display: grid;
}

.prep-task {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 15px 0;
  border-top: 1px solid var(--border-soft);
}

.prep-task:first-child {
  border-top: 0;
  padding-top: 0;
}

.prep-task-toggle {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-top: 1px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #fff;
  color: var(--text-secondary);
}

.prep-task-toggle svg {
  width: 17px;
  height: 17px;
}

.prep-task.done .prep-task-toggle {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.prep-task div {
  display: grid;
  gap: 5px;
}

.prep-task h4 {
  margin: 0;
  font-size: 0.96rem;
}

.prep-task p {
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.43;
}

.prep-task span {
  color: var(--text-muted);
  font-size: 0.77rem;
  font-weight: 700;
}

.prep-task.done h4,
.prep-task.done p {
  opacity: 0.55;
}

.prep-task.done h4 {
  text-decoration: line-through;
}

.prep-task-action {
  min-height: 34px;
  padding: 0 11px;
  font-size: 0.84rem;
}

.prep-diagnostic-form {
  display: grid;
  gap: 16px;
}

.prep-diagnostic-form fieldset {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0 0 13px;
  border: 0;
  border-bottom: 1px solid var(--border-soft);
}

.prep-diagnostic-form legend {
  margin-bottom: 4px;
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 680;
  line-height: 1.45;
}

.prep-diagnostic-form label {
  display: flex;
  align-items: start;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.83rem;
  line-height: 1.38;
}

.prep-diagnostic-form input {
  margin-top: 3px;
  accent-color: var(--primary);
}

.prep-diagnostic-message {
  min-height: 18px;
  color: var(--rose);
  font-size: 0.84rem;
}

.prep-score-list {
  display: grid;
  gap: 12px;
}

.prep-score-row {
  display: grid;
  grid-template-columns: minmax(168px, auto) minmax(80px, 1fr) 36px;
  align-items: center;
  gap: 9px;
  font-size: 0.84rem;
}

.prep-score-row > div {
  height: 7px;
  overflow: hidden;
  border-radius: 7px;
  background: #eeeaf9;
}

.prep-score-row i {
  display: block;
  height: 100%;
  background: var(--primary);
}

.prep-stage-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--border-soft);
  border-left: 1px solid var(--border-soft);
}

.prep-stage {
  display: grid;
  align-content: start;
  gap: 9px;
  min-height: 188px;
  padding: 14px 14px 16px;
  border-right: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.prep-stage > span {
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.prep-stage h4 {
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.35;
}

.prep-stage p {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.45;
}

.prep-stage small {
  margin-top: auto;
  color: var(--primary);
  font-size: 0.77rem;
  font-weight: 700;
}

.prep-stage.current {
  background: #f7f6ff;
}

.prep-stage.current > span,
.prep-stage.current h4 {
  color: var(--primary);
}

.prep-source-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.prep-source-links a {
  position: relative;
  display: grid;
  gap: 6px;
  min-height: 88px;
  padding: 13px 34px 13px 13px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  color: var(--text-main);
  text-decoration: none;
}

.prep-source-links a:hover,
.prep-source-links a:focus-visible {
  border-color: var(--primary);
}

.prep-source-links strong {
  font-size: 0.86rem;
}

.prep-source-links span {
  color: var(--text-secondary);
  font-size: 0.76rem;
  line-height: 1.4;
}

.prep-source-links svg {
  position: absolute;
  top: 14px;
  right: 12px;
  width: 15px;
  height: 15px;
  color: var(--text-muted);
}

.experience-section {
  display: grid;
  gap: 22px;
  padding-bottom: 34px;
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 24px;
  padding: 30px 34px;
  border-bottom: 1px solid var(--border-soft);
  background: #fff;
}

.experience-header div {
  display: grid;
  gap: 9px;
}

.experience-kicker {
  color: var(--primary);
  font-size: 0.74rem;
  font-weight: 800;
}

.experience-header h2 {
  font-size: 1.9rem;
}

.experience-header p {
  max-width: 620px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.experience-workspace {
  display: grid;
  grid-template-columns: minmax(480px, 1fr) 226px;
  align-items: start;
  gap: 18px;
}

.experience-form,
.experience-side-panel,
.experience-card {
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #fff;
}

.experience-form {
  display: grid;
  gap: 17px;
  padding: 24px;
}

.experience-panel-heading,
.experience-list-toolbar,
.experience-card-head,
.experience-share-row,
.experience-form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.experience-panel-heading h3,
.experience-list-toolbar h3 {
  font-size: 1.12rem;
}

.experience-private {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 700;
}

.experience-private svg {
  width: 14px;
  height: 14px;
}

.experience-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.experience-form label {
  display: grid;
  gap: 7px;
  color: var(--text-secondary);
  font-size: 0.86rem;
  font-weight: 700;
}

.experience-form input,
.experience-form select {
  min-height: 44px;
  padding: 0 12px;
  border-radius: 8px;
}

.experience-form textarea {
  resize: vertical;
  padding: 12px;
  border-radius: 8px;
  line-height: 1.55;
}

.experience-safety {
  display: flex;
  gap: 8px;
  align-items: start;
  padding: 11px 12px;
  border-radius: 8px;
  background: #faf8ff;
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.5;
}

.experience-safety svg {
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  color: var(--primary);
}

.experience-form-actions {
  justify-content: start;
}

.experience-side-panel {
  display: grid;
  gap: 0;
  overflow: hidden;
}

.experience-side-panel > div {
  display: grid;
  gap: 5px;
  padding: 20px;
  border-bottom: 1px solid var(--border-soft);
}

.experience-side-panel strong {
  color: var(--text-main);
  font-size: 1.7rem;
}

.experience-side-panel span {
  color: var(--text-secondary);
  font-size: 0.84rem;
}

.experience-side-panel button {
  margin: 18px;
}

.experience-list-toolbar {
  display: grid;
  grid-template-columns: max-content minmax(220px, 1fr);
  padding-top: 4px;
}

.experience-list-toolbar h3 {
  white-space: nowrap;
}

.experience-list-toolbar select {
  min-width: 204px;
  width: min(100%, 780px);
  min-height: 42px;
  justify-self: end;
  padding: 0 12px;
  border-radius: 8px;
}

.experience-list {
  display: grid;
  gap: 14px;
}

.experience-card {
  display: grid;
  gap: 17px;
  padding: 22px;
}

.experience-card-title {
  display: grid;
  gap: 8px;
}

.experience-card-title h4 {
  margin: 0;
  font-size: 1.14rem;
}

.experience-card-title small {
  color: var(--text-secondary);
}

.experience-badges,
.experience-tags,
.experience-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.experience-badges span,
.experience-tags span,
.community-experience-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 0 10px;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.76rem;
  font-weight: 750;
}

.experience-badges .outcome {
  background: #f7f5ee;
  color: var(--text-secondary);
}

.experience-badges .private {
  background: #f2f2f2;
  color: var(--text-muted);
}

.experience-badges .shared {
  background: #eaf8ef;
  color: #278553;
}

.experience-card-body {
  display: grid;
  gap: 13px;
}

.experience-card-body div {
  display: grid;
  gap: 6px;
}

.experience-card-body strong {
  color: var(--text-secondary);
  font-size: 0.77rem;
}

.experience-card-body p {
  color: var(--text-main);
  line-height: 1.58;
  white-space: pre-line;
}

.experience-share-row {
  justify-content: start;
}

.experience-share-confirm {
  display: grid;
  gap: 11px;
  padding: 13px;
  border: 1px solid #dedcf9;
  border-radius: 8px;
  background: #faf8ff;
}

.experience-share-confirm p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

.experience-share-confirm div {
  display: flex;
  gap: 9px;
}

.experience-share-confirm button {
  min-height: 38px;
  padding: 0 13px;
  font-size: 0.85rem;
}

.community-feed-tabs {
  display: flex;
  gap: 7px;
  margin: 0 0 14px;
}

.community-experience-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.community-experience-meta .community-experience-label {
  gap: 5px;
  background: #eaf8ef;
  color: #278553;
}

.community-experience-label svg {
  width: 14px;
  height: 14px;
}

.community-card > p {
  white-space: pre-line;
}

@keyframes planEnter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.quanty-hero img {
  position: absolute;
  right: 48px;
  bottom: 0;
  width: 300px;
  max-width: 32%;
  filter: drop-shadow(0 18px 28px rgba(70, 54, 113, 0.14));
}

.feature-launch-grid {
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.feature-launch-card {
  border-color: var(--border-soft);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
}

.feature-launch-card > strong {
  display: block;
  padding: 12px 16px 14px;
  color: var(--text-main);
  font-size: 0.95rem;
  text-align: left;
}

.feature-launch-card:hover,
.feature-launch-card:focus-visible {
  border-color: var(--border-purple);
  box-shadow: var(--shadow-card-hover);
}

body.is-authenticated .summary-band {
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  padding: 28px 32px;
  border-color: var(--border-soft);
  border-radius: 28px;
  background: #fff;
  box-shadow: var(--shadow-card);
}

body.is-authenticated .summary-metrics {
  gap: var(--space-4);
  min-width: min(520px, 100%);
}

body.is-authenticated .summary-metrics .metric-card {
  min-height: 112px;
  padding: 22px 22px 22px 86px;
  border-radius: 24px;
  background: linear-gradient(180deg, #fff, #fffcf7);
}

body.is-authenticated .summary-metrics .metric-card::before {
  left: 22px;
  width: 48px;
  height: 48px;
}

.total-xp span:first-child {
  color: var(--text-main);
}

body.is-authenticated .log-panel,
body.is-authenticated .leaderboard-panel,
body.is-authenticated .interview-setup,
body.is-authenticated .interview-console,
body.is-authenticated .news-card,
body.is-authenticated .network-card,
body.is-authenticated .community-card,
body.is-authenticated .skill-card,
body.is-authenticated .resource-item,
body.is-authenticated .history-item {
  border-color: var(--border-soft);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow-card);
}

body.is-authenticated .workspace-grid,
body.is-authenticated .tool-grid,
body.is-authenticated .pk-grid,
body.is-authenticated .account-grid,
body.is-authenticated .settings-grid,
.resume-grid,
.jobs-list {
  gap: var(--space-6);
}

.resume-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  align-items: start;
}

.resume-panel,
.job-card {
  border: 1px solid var(--border-soft);
  border-radius: 28px;
  background: #fff;
  box-shadow: var(--shadow-card);
}

.resume-panel {
  display: grid;
  gap: var(--space-5);
  padding: 28px;
}

.resume-panel textarea {
  min-height: 360px;
  resize: vertical;
  line-height: 1.6;
}

.resume-review {
  color: var(--text-secondary);
  line-height: 1.65;
}

.resume-review ul {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.resume-review li {
  position: relative;
  padding-left: 24px;
}

.resume-review li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 0 5px rgba(99, 91, 255, 0.1);
}

.muted-empty {
  margin: 0;
  color: var(--text-muted);
}

.jobs-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.job-card {
  display: grid;
  gap: var(--space-4);
  padding: 28px;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.job-card:hover {
  border-color: var(--border-purple);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.job-card-top,
.job-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.job-card-top {
  justify-content: space-between;
}

.job-type,
.job-source,
.job-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 750;
}

.job-type {
  background: var(--primary-soft);
  color: var(--primary);
}

.job-source,
.job-tags span {
  background: #faf7f1;
  color: var(--text-secondary);
}

.job-card h3 {
  color: var(--text-main);
  font-size: 1.32rem;
  line-height: 1.25;
}

.job-card p {
  color: var(--text-secondary);
  line-height: 1.55;
}

.job-apply {
  justify-self: start;
  min-height: 42px;
  padding: 0 16px;
  text-decoration: none;
}

.problem-section {
  margin-top: 0;
}

.problem-page-header {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px minmax(320px, 420px);
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  padding: 32px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  border-radius: 32px;
  background:
    radial-gradient(circle at 78% 45%, rgba(99, 91, 255, 0.13), transparent 34%),
    linear-gradient(135deg, #fffdf8 0%, #f7f3ff 100%);
  box-shadow: var(--shadow-card);
}

.problem-page-copy {
  display: grid;
  gap: var(--space-3);
}

.problem-page-copy h2 {
  color: var(--text-main);
  font-size: clamp(2rem, 3.2vw, 2.65rem);
  line-height: 1.06;
  letter-spacing: 0;
  white-space: nowrap;
}

.problem-page-copy p {
  max-width: 560px;
  color: var(--text-secondary);
  font-size: 1.08rem;
  line-height: 1.65;
}

.problem-page-header > img {
  width: 148px;
  align-self: end;
  justify-self: center;
  filter: drop-shadow(0 16px 22px rgba(70, 54, 113, 0.12));
}

.problem-page-header .problem-actions {
  justify-self: end;
  width: min(420px, 100%);
}

.problem-page-header .problem-actions input {
  width: 100%;
  height: 48px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
}

.leetcode-hot-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
  padding: 28px;
  border: 1px solid var(--border-soft);
  border-radius: 28px;
  background: #fff;
  box-shadow: var(--shadow-card);
}

.leetcode-hot-copy {
  display: grid;
  gap: var(--space-2);
}

.leetcode-hot-copy h3 {
  color: var(--text-main);
  font-size: 1.55rem;
  line-height: 1.15;
}

.leetcode-hot-copy p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.leetcode-hot-progress {
  display: grid;
  align-content: start;
  gap: var(--space-3);
}

.leetcode-hot-progress strong {
  color: var(--text-main);
  font-size: 1.4rem;
}

.leetcode-hot-progress .progress-fill {
  background: linear-gradient(90deg, var(--primary), #8b7bff);
}

.leetcode-hot-progress .secondary-button {
  justify-self: start;
  min-height: 42px;
  padding: 0 16px;
  color: var(--primary);
  background: #fff;
  border-color: var(--border-purple);
  text-decoration: none;
}

.leetcode-hot-list {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  max-height: 560px;
  overflow: auto;
  padding-right: 4px;
}

.leetcode-hot-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  background: #fffcf7;
}

.leetcode-hot-item.is-done {
  border-color: rgba(99, 91, 255, 0.2);
  background: #f7f5ff;
}

.leetcode-hot-done {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  color: var(--primary);
  background: #fff;
  border: 1px solid var(--border-purple);
}

.leetcode-hot-item.is-done .leetcode-hot-done {
  color: #fff;
  background: var(--primary);
}

.leetcode-hot-main {
  min-width: 0;
}

.leetcode-hot-main strong,
.leetcode-hot-main span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.leetcode-hot-main strong {
  color: var(--text-main);
  font-size: 0.98rem;
}

.leetcode-hot-main span {
  margin-top: 4px;
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 650;
}

.leetcode-hot-link {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  color: var(--primary);
  background: #fff;
  text-decoration: none;
}

.leetcode-hot-link:hover,
.leetcode-hot-link:focus-visible {
  border-color: var(--border-purple);
  background: var(--primary-soft);
  outline: none;
}

body.is-authenticated .problem-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

body.is-authenticated .problem-card {
  gap: var(--space-4);
  min-height: 0;
  padding: 28px;
  border-color: var(--border-soft);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 8px 26px rgba(60, 44, 120, 0.045);
}

body.is-authenticated .problem-card:hover,
body.is-authenticated .problem-card:focus-visible {
  border-color: var(--border-purple);
  box-shadow: 0 16px 40px rgba(60, 44, 120, 0.08);
}

body.is-authenticated .problem-card h3 {
  color: var(--text-main);
  font-size: 1.24rem;
  line-height: 1.28;
}

.problem-meta {
  gap: var(--space-2);
}

.problem-tag {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: #5b52f2;
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1;
}

.problem-tag.source,
.problem-tag.skill,
.problem-tag.score {
  background: #faf7f1;
  color: var(--text-secondary);
}

.problem-tag.difficulty.easy {
  background: #eaf8ef;
  color: #2f8d55;
}

.problem-tag.difficulty.medium {
  background: #fff5da;
  color: #b37600;
}

.problem-tag.difficulty.hard {
  background: #ffe9e9;
  color: #c64545;
}

body.is-authenticated .problem-card .problem-prompt {
  margin-top: var(--space-1);
  min-width: 0;
  max-width: 100%;
  max-height: 7em;
  overflow: hidden;
  color: #6b6f80;
  font-size: 1.0625rem;
  line-height: 1.75;
  overflow-wrap: anywhere;
  word-break: break-word;
  -webkit-line-clamp: 4;
}

body.is-authenticated .problem-card .rich-text,
body.is-authenticated .problem-card .rich-text p {
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}

body.is-authenticated .problem-card mjx-container {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  vertical-align: middle;
}

body.is-authenticated .problem-card mjx-container[display="true"] {
  display: block;
  overflow-x: auto;
  overflow-y: hidden;
}

body.is-authenticated .problem-card .problem-prompt mjx-container {
  max-width: 100%;
  contain: paint;
}

.problem-card-footer {
  color: var(--primary);
  font-size: 0.92rem;
  font-weight: 760;
}

.content-card {
  align-content: start;
}

.content-card .problem-card-footer {
  min-height: 34px;
}

.content-card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(99, 91, 255, 0.08);
  color: inherit;
  text-decoration: none;
}

.content-card-link:hover,
.content-card-link:focus-visible {
  background: rgba(99, 91, 255, 0.14);
  outline: none;
}

.content-card-note {
  display: grid;
  gap: var(--space-2);
  padding: 12px 14px;
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  background: #fbfaf6;
  line-height: 1.55;
}

.content-card-note strong {
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 800;
}

.content-card-note span {
  color: var(--text-secondary);
}

.course-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.course-card.spotlight,
.job-card.spotlight,
.content-card.spotlight {
  border-color: var(--border-purple);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

body.is-authenticated .problem-detail {
  border-color: var(--border-soft);
  border-radius: 28px;
  box-shadow: var(--shadow-card);
}

.problem-browser-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.problem-view-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #fff;
}

.problem-view-tabs .segment {
  min-height: 42px;
  border-radius: 6px;
}

.problem-interaction-status {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 650;
}

.problem-card-footer {
  justify-content: flex-start;
  gap: var(--space-3);
}

.problem-card-metrics {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-secondary);
}

.problem-card-metric {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 34px;
  font-size: 0.86rem;
}

.problem-card-metric svg,
.problem-ranking-stats svg {
  width: 15px;
  height: 15px;
}

.problem-save-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-left: auto;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #fff;
  color: var(--text-secondary);
}

.problem-save-button svg {
  width: 18px;
  height: 18px;
}

.problem-save-button:hover,
.problem-save-button.active,
.problem-detail-save.active {
  border-color: rgba(99, 91, 255, 0.3);
  background: var(--primary-soft);
  color: var(--primary);
}

.problem-card-open {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.problem-card-open svg {
  width: 17px;
  height: 17px;
}

.problem-load-more {
  display: flex;
  justify-content: center;
  width: min(360px, 100%);
  margin: var(--space-6) auto 0;
  border-radius: 8px;
}

.problem-ranking {
  display: grid;
  gap: var(--space-5);
}

.problem-ranking-header h3 {
  color: var(--text-main);
  font-size: 1.35rem;
}

.problem-ranking-header p {
  margin-top: var(--space-2);
  color: var(--text-secondary);
  line-height: 1.55;
}

.problem-ranking-list {
  display: grid;
  gap: var(--space-3);
}

.problem-ranking-row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-5);
  width: 100%;
  min-height: 76px;
  padding: 12px 18px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #fff;
  color: inherit;
  text-align: left;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.problem-ranking-row:hover,
.problem-ranking-row:focus-visible {
  border-color: var(--border-purple);
  box-shadow: var(--shadow-card-hover);
  outline: none;
}

.problem-ranking-position {
  color: var(--primary);
  font-size: 1.15rem;
}

.problem-ranking-copy {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.problem-ranking-copy strong {
  overflow: hidden;
  color: var(--text-main);
  font-size: 1rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.problem-ranking-copy small {
  color: var(--text-secondary);
}

.problem-ranking-stats {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-secondary);
}

.problem-ranking-stats strong {
  color: var(--primary);
  font-size: 1.15rem;
}

.problem-ranking-stats small {
  margin-left: -10px;
  color: var(--text-secondary);
}

.problem-ranking-stats span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.problem-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.problem-social-panel {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-2);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-soft);
}

.problem-social-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: var(--space-5);
}

.problem-social-header h3 {
  color: var(--text-main);
  font-size: 1.1rem;
}

.problem-social-header p {
  margin-top: var(--space-2);
  color: var(--text-secondary);
  line-height: 1.55;
}

.problem-like-button {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 7px;
  min-height: 42px;
  padding: 0 13px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #fff;
  color: var(--text-secondary);
  font-weight: 700;
}

.problem-like-button svg {
  width: 17px;
  height: 17px;
}

.problem-like-button.active,
.problem-like-button:hover {
  border-color: #f2c4ca;
  background: #fff4f5;
  color: #c83d54;
}

.problem-like-button strong {
  min-width: 18px;
  color: inherit;
}

.problem-social-notice {
  padding: 10px 12px;
  border-radius: 8px;
  background: #fff4e8;
  color: #885222;
  font-size: 0.92rem;
}

.problem-comments {
  display: grid;
  gap: var(--space-3);
}

.problem-comment {
  display: grid;
  gap: 9px;
  padding: 14px 16px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: #fff;
}

.problem-comment > div {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.problem-comment time {
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.problem-comment p {
  color: var(--text-main);
  line-height: 1.62;
  white-space: pre-line;
}

.problem-comment-delete {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-left: auto;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
}

.problem-comment-delete svg {
  width: 15px;
  height: 15px;
}

.problem-comment-delete:hover {
  background: #fff0f0;
  color: #c64545;
}

.problem-comment-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: var(--space-3);
}

.problem-comment-form textarea {
  min-height: 88px;
  border-radius: 8px;
  resize: vertical;
}

.problem-comment-form button {
  min-height: 46px;
  border-radius: 8px;
}

@media (max-width: 1180px) {
  body.is-authenticated {
    padding: var(--space-4);
  }

  body.is-authenticated #appShell {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  body.is-authenticated #appShell > :not(.module-nav),
  body.is-authenticated .module-nav {
    grid-column: 1;
  }

  body.is-authenticated .module-nav {
    position: static;
    display: grid;
    grid-template-columns: repeat(4, minmax(132px, 1fr));
    gap: var(--space-2);
    height: auto;
    min-height: 0;
    margin: 0;
    padding: var(--space-5);
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border-soft);
  }

  body.is-authenticated .module-nav::before,
  body.is-authenticated .module-nav::after,
  body.is-authenticated .sidebar-brand {
    display: none;
  }

  body.is-authenticated .module-nav-group {
    display: contents;
  }

  body.is-authenticated .module-nav-label {
    display: none;
  }

  body.is-authenticated .module-tab {
    min-height: 48px;
    white-space: nowrap;
  }

  .sidebar-helper {
    display: none;
  }

  .app-command-bar {
    gap: var(--space-4);
    padding: var(--space-6);
  }

  .app-search {
    max-width: none;
  }

  .feature-launch-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  body.is-authenticated .module-view,
  body.is-authenticated .news-ticker {
    margin-right: var(--space-6);
    margin-left: var(--space-6);
  }

  .quanty-hero {
    padding: 44px;
  }

  .quanty-hero img {
    right: 24px;
    width: 280px;
    max-width: 34%;
  }

  .problem-page-header {
    grid-template-columns: minmax(0, 1fr) 128px;
  }

  .problem-page-header .problem-actions {
    grid-column: 1 / -1;
    justify-self: stretch;
    width: 100%;
  }

  .problem-ranking-row {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .problem-ranking-stats {
    grid-column: 2;
  }

  .prep-dashboard-grid {
    grid-template-columns: 1fr;
  }

  .prep-stage-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .prep-source-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .experience-workspace {
    grid-template-columns: 1fr;
  }

  .experience-side-panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .experience-side-panel > div {
    border-right: 1px solid var(--border-soft);
    border-bottom: 0;
  }
}

@media (max-width: 980px) {
  .quanty-hero {
    min-height: 0;
    padding: 40px 40px 0;
  }

  .quanty-hero-copy {
    max-width: 100%;
  }

  .quanty-hero h2,
  .quanty-hero p {
    max-width: 640px;
  }

  .quanty-hero img {
    position: relative;
    right: auto;
    bottom: auto;
    display: block;
    width: min(54%, 300px);
    max-width: none;
    margin: 26px auto 0;
  }

  .quanty-hero::before {
    right: 50%;
    bottom: 8px;
    width: 300px;
    height: 300px;
    transform: translateX(50%);
  }

  .feature-launch-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  body.is-authenticated,
  body.is-authenticated .topbar,
  body.is-authenticated #appShell {
    width: 100%;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  body.is-authenticated .module-nav {
    display: flex;
    flex-direction: row;
    gap: var(--space-2);
    padding: var(--space-4);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x proximity;
  }

  body.is-authenticated .module-tab {
    flex: 0 0 auto;
    min-width: 116px;
    min-height: 46px;
    scroll-snap-align: start;
  }

  body.is-authenticated .module-view,
  body.is-authenticated .news-ticker {
    margin-right: var(--space-4);
    margin-left: var(--space-4);
  }

  .app-command-bar {
    flex-wrap: wrap;
    gap: var(--space-4);
    padding: var(--space-4);
  }

  .app-search {
    flex: 1 0 100%;
    max-width: none;
    min-width: 0;
  }

  .app-command-actions {
    display: grid;
    grid-template-columns: minmax(72px, 1fr) minmax(72px, 1fr) 52px 44px;
    grid-template-areas: "streak xp account settings";
    width: 100%;
    gap: var(--space-2);
    overflow: visible;
  }

  .app-command-actions .app-stat-pill:nth-of-type(1) {
    grid-area: streak;
  }

  .app-command-actions .app-stat-pill:nth-of-type(2) {
    grid-area: xp;
  }

  .app-account-chip {
    grid-area: account;
  }

  .app-settings-button {
    grid-area: settings;
  }

  .app-account-chip,
  .app-settings-button {
    width: 100%;
    min-width: 0;
  }

  .app-stat-pill,
  .app-account-chip,
  .app-settings-button {
    min-height: 44px;
    padding: 0 var(--space-3);
    justify-content: center;
  }

  .app-account-chip {
    gap: var(--space-2);
    justify-self: end;
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }

  .app-account-chip .app-account-meta {
    display: none;
  }

  .app-account-avatar {
    width: 32px;
    height: 32px;
  }

  .app-account-meta strong {
    max-width: 54px;
  }

  .app-account-meta small {
    display: none;
  }

  .news-ticker {
    height: auto;
    grid-template-columns: 1fr;
  }

  .news-ticker-item {
    width: 280px;
    max-width: 280px;
  }

  .quanty-hero {
    padding: 32px 28px 0;
  }

  .quanty-hero img {
    position: relative;
    right: auto;
    bottom: auto;
    display: block;
    width: min(86%, 320px);
    max-width: none;
    margin: 24px auto 0;
  }

  .quanty-hero::before {
    right: 20px;
    bottom: 10px;
    width: 260px;
    height: 260px;
    transform: none;
  }

  .quanty-hero h2 {
    font-size: 2.35rem;
  }

  .quanty-hero p {
    font-size: 1.05rem;
  }

  body.is-authenticated .summary-band {
    padding: var(--space-6);
  }

  .problem-page-header {
    grid-template-columns: 1fr;
    padding: var(--space-6);
  }

  .problem-page-header > img {
    width: 132px;
    justify-self: end;
    margin-top: -18px;
  }

  .leetcode-hot-panel {
    grid-template-columns: 1fr;
    padding: var(--space-6);
  }

  .leetcode-hot-list {
    grid-template-columns: 1fr;
    max-height: 520px;
  }

  .leetcode-hot-item {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  body.is-authenticated .problem-list {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  body.is-authenticated .problem-card {
    padding: var(--space-6);
  }

  .problem-browser-toolbar,
  .problem-social-header {
    align-items: stretch;
    flex-direction: column;
  }

  .problem-view-tabs {
    width: 100%;
  }

  .problem-view-tabs .segment {
    flex: 1;
  }

  .problem-comment-form {
    grid-template-columns: 1fr;
  }

  .resume-grid,
  .jobs-list,
  .course-list {
    grid-template-columns: 1fr;
  }

  .resume-panel,
  .job-card {
    padding: var(--space-6);
  }

  .resume-panel textarea {
    min-height: 300px;
  }

  .prep-plan-header {
    display: grid;
    padding: 22px 20px;
  }

  .prep-plan-header h2 {
    font-size: 1.55rem;
  }

  .prep-plan-setup,
  .prep-status-band,
  .prep-work-panel,
  .prep-assessment-panel,
  .prep-process-section,
  .prep-source-section {
    padding: 20px;
  }

  .prep-choice-group,
  .prep-choice-group.three,
  .prep-setup-fields {
    grid-template-columns: 1fr;
  }

  .prep-status-band {
    display: grid;
  }

  .prep-status-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
  }

  .prep-status-metrics div {
    padding-left: 10px;
  }

  .prep-task {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .prep-task-action {
    grid-column: 2;
    justify-self: start;
  }

  .prep-source-links {
    grid-template-columns: 1fr;
  }

  .prep-stage-list {
    grid-template-columns: 1fr;
  }

  .prep-stage {
    min-height: 0;
  }

  .experience-header {
    display: grid;
    padding: 22px 20px;
  }

  .experience-header h2 {
    font-size: 1.55rem;
  }

  .experience-form,
  .experience-card {
    padding: 20px;
  }

  .experience-fields,
  .experience-side-panel {
    grid-template-columns: 1fr;
  }

  .experience-side-panel > div {
    border-right: 0;
    border-bottom: 1px solid var(--border-soft);
  }

  .experience-list-toolbar,
  .experience-card-head {
    align-items: start;
  }

  .experience-card-head {
    display: grid;
  }

  .experience-card-actions {
    grid-row: 1;
    justify-self: end;
  }
}

@media (max-width: 520px) {
  .quanty-hero h2 {
    font-size: 2.12rem;
  }

  .feature-launch-grid {
    grid-template-columns: 1fr;
  }

  .app-command-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "streak xp"
      "account settings";
  }

  .app-stat-pill small {
    display: none;
  }

  .app-account-chip,
  .app-settings-button {
    justify-self: stretch;
  }

  .prep-status-metrics {
    grid-template-columns: 1fr;
  }

  .prep-status-metrics div {
    border-top: 1px solid var(--border-soft);
    border-left: 0;
  }

  .prep-score-row {
    grid-template-columns: minmax(0, 1fr) 36px;
  }

  .prep-score-row > div {
    grid-row: 2;
    grid-column: 1 / -1;
  }

  .prep-score-row > strong {
    grid-row: 1;
    grid-column: 2;
  }

  .experience-list-toolbar {
    display: grid;
    grid-template-columns: 1fr;
  }

  .experience-list-toolbar select {
    min-width: 0;
    width: 100%;
    justify-self: stretch;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body:not(.is-authenticated) {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(247, 247, 245, 0.86)),
    #f1f1ef;
}

body:not(.is-authenticated) .topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 6;
  min-height: 72px;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

body:not(.is-authenticated) .top-actions {
  display: none;
}

body:not(.is-authenticated) .brand h1 {
  color: #111;
  font-size: 1.02rem;
  font-weight: 760;
}

body:not(.is-authenticated) .brand p {
  display: none;
}

body:not(.is-authenticated) .brand-mark {
  width: 36px;
  height: 36px;
  background:
    url("assets/generated/brand-q-mark.webp?v=premium-system-2") center / 88% auto no-repeat,
    #fff;
  color: transparent;
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.08);
}

.auth-shell {
  min-height: 100vh;
  padding: clamp(92px, 12vh, 128px) 16px 42px;
}

.auth-panel {
  width: min(638px, 100%);
  gap: 24px;
  padding: clamp(34px, 5vw, 58px) clamp(22px, 5vw, 54px) clamp(32px, 5vw, 54px);
  background: #fff;
  border: 1px solid #d5d5d2;
  border-radius: 26px;
  box-shadow: 0 22px 62px rgba(0, 0, 0, 0.12);
  text-align: center;
}

.auth-copy {
  gap: 18px;
}

.auth-copy h2 {
  color: #111;
  font-size: clamp(2.35rem, 6.4vw, 3.55rem);
  font-weight: 520;
  line-height: 1.06;
}

.auth-copy p {
  max-width: 500px;
  margin: 0 auto;
  color: #202020;
  font-size: clamp(1rem, 2.2vw, 1.22rem);
  line-height: 1.48;
}

.auth-provider-stack,
.google-button {
  display: grid;
  gap: 12px;
}

.auth-provider-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  width: 100%;
  min-height: 60px;
  padding: 0 22px;
  border: 1px solid #d9d9d7;
  border-radius: 999px;
  background: #fff;
  color: #151515;
  font-size: 1.08rem;
  font-weight: 690;
  box-shadow: none;
}

.auth-provider-button.disabled {
  cursor: not-allowed;
}

.auth-provider-button small {
  position: absolute;
  right: 22px;
  color: #8c8c8c;
  font-size: 0.76rem;
  font-weight: 720;
}

.google-mark {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: #4285f4;
  font-size: 1.2rem;
  font-weight: 900;
}

.auth-panel .divider {
  gap: 20px;
  color: #151515;
  font-size: 0.95rem;
  font-weight: 720;
}

.auth-panel .divider::before,
.auth-panel .divider::after {
  background: #d9d9d7;
}

.auth-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
  padding: 4px;
  border-radius: 999px;
  background: #f4f4f2;
  border: 1px solid #e2e2df;
}

.auth-tabs .tab {
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #5f5f5f;
  font-weight: 760;
  box-shadow: none;
}

.auth-tabs .tab.active {
  background: #fff;
  color: #111;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08);
}

.auth-form {
  gap: 14px;
}

.auth-form input {
  width: 100%;
  height: 62px;
  padding: 0 28px;
  border: 1px solid #d7d7d5;
  border-radius: 999px;
  background: #fff;
  color: #111;
  font-size: 1.08rem;
  box-shadow: none;
}

.auth-form input::placeholder {
  color: #9b9b9b;
}

.auth-form input:focus {
  border-color: #111;
  box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.08);
  outline: none;
}

.auth-code-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 148px;
  gap: 10px;
}

.auth-code-row .secondary-button {
  min-height: 62px;
  padding: 0 18px;
  border-radius: 999px;
  background: #fff;
  border-color: #d9d9d7;
  color: #111;
  font-weight: 760;
  white-space: nowrap;
}

.auth-code-row .secondary-button:disabled {
  cursor: not-allowed;
  color: #7d7d7d;
  background: #f5f5f3;
}

.auth-submit.primary-button {
  min-height: 62px;
  border-radius: 999px;
  background: #0d0d0d;
  border-color: #0d0d0d;
  color: #fff;
  font-size: 1.08rem;
  font-weight: 760;
}

.auth-submit.primary-button:hover {
  background: #000;
  border-color: #000;
  transform: translateY(-1px);
}

.auth-message {
  min-height: 42px;
  margin-top: -6px;
  color: #5f5f5f;
  font-size: 0.92rem;
  line-height: 1.45;
  text-align: center;
}

@media (max-width: 640px) {
  body:not(.is-authenticated) .topbar {
    min-height: 64px;
    padding: 14px 18px;
  }

  .auth-shell {
    padding: 82px 12px 28px;
  }

  .auth-panel {
    gap: 18px;
    padding: 34px 20px 30px;
    border-radius: 24px;
  }

  .auth-provider-button {
    min-height: 56px;
    padding: 0 18px;
    font-size: 0.98rem;
  }

  .auth-provider-button small {
    display: none;
  }

  .auth-form input,
  .auth-submit.primary-button,
  .auth-code-row .secondary-button {
    min-height: 56px;
    height: 56px;
    font-size: 1rem;
  }

  .auth-code-row {
    grid-template-columns: minmax(0, 1fr) 120px;
  }

  .auth-code-row .secondary-button {
    padding: 0 12px;
  }
}