:root {
  --bg-1: #f9fafc;
  --bg-2: #edf1f5;
  --panel: rgba(255, 255, 255, 0.98);
  --text: #102845;
  --muted: #54667f;
  --line: rgba(16, 27, 52, 0.14);
  --accent: #df4f41;
  --accent-2: #1f7fd0;
  --good: #21944d;
  --bad: #c33d38;
  --shadow: 0 14px 32px rgba(23, 61, 110, 0.14);
  --radius: 14px;
  --font: "BIZ UDPGothic", "Yu Gothic UI", "Meiryo", sans-serif;
  --focus-ring: #1f7fd0;
}

html.font-size-sm {
  font-size: 14px;
}

html.font-size-md {
  font-size: 16px;
}

html.font-size-lg {
  font-size: 18px;
}

html.font-size-xl {
  font-size: 20px;
}

html.high-contrast {
  --bg-1: #ffffff;
  --bg-2: #f3f3f3;
  --panel: #ffffff;
  --text: #000000;
  --muted: #111111;
  --line: rgba(0, 0, 0, 0.9);
  --accent: #9c1200;
  --accent-2: #0037cc;
  --good: #0f6e0f;
  --bad: #8e0a0a;
  --shadow: 0 0 0 2px rgba(0, 0, 0, 0.9);
  --focus-ring: #ffbf00;
}

html.high-contrast body {
  background: linear-gradient(180deg, var(--bg-1), var(--bg-2));
}

html.high-contrast .topbar,
html.high-contrast .top-nav,
html.high-contrast .card {
  border-width: 2px;
}

html.high-contrast button,
html.high-contrast input,
html.high-contrast textarea,
html.high-contrast select {
  border-color: #000;
}

/* High-contrast AA palette enforcement */
html.high-contrast body {
  color: #000;
}

html.high-contrast a {
  color: #0037cc !important;
  text-decoration: underline;
  text-underline-offset: 2px;
}

html.high-contrast .brand-link {
  color: inherit !important;
  text-decoration: none !important;
}

html.high-contrast .muted {
  color: #111 !important;
}

html.high-contrast .toast,
html.high-contrast .network-banner {
  background: #fff !important;
  color: #000 !important;
  border: 2px solid #000 !important;
}

html.high-contrast .network-banner.offline {
  background: #8e0a0a !important;
  color: #fff !important;
}

html.high-contrast .network-banner.syncing {
  background: #000 !important;
  color: #fff !important;
}

html.high-contrast button {
  background: #000 !important;
  color: #fff !important;
  border: 2px solid #000 !important;
}

html.high-contrast button.ghost,
html.high-contrast .feed-tab,
html.high-contrast .board-subtab,
html.high-contrast .settings-nav-btn,
html.high-contrast .nav-btn,
html.high-contrast .home-card,
html.high-contrast .mode-card,
html.high-contrast .choice-button,
html.high-contrast .chip,
html.high-contrast .moderation-chip,
html.high-contrast .reaction-chip,
html.high-contrast .tag-chip,
html.high-contrast .thread-tag-chip,
html.high-contrast .board-chip {
  background: #fff !important;
  color: #000 !important;
  border-color: #000 !important;
}

html.high-contrast button.danger {
  background: #8e0a0a !important;
  color: #fff !important;
}

html.high-contrast .feed-tab.active,
html.high-contrast .board-subtab.active,
html.high-contrast .settings-nav-btn.active,
html.high-contrast .nav-btn.active,
html.high-contrast .mode-card.active,
html.high-contrast .choice-button.selected,
html.high-contrast .reaction-chip.reacted {
  background: #000 !important;
  color: #fff !important;
  border-color: #000 !important;
}

html.high-contrast .choice-button.correct,
html.high-contrast .chip.ok,
html.high-contrast .risk-chip.risk-low {
  background: #0f6e0f !important;
  color: #fff !important;
  border-color: #000 !important;
}

html.high-contrast .choice-button.wrong,
html.high-contrast .chip.danger,
html.high-contrast .risk-chip.risk-high {
  background: #8e0a0a !important;
  color: #fff !important;
  border-color: #000 !important;
}

html.high-contrast .chip.warning,
html.high-contrast .risk-chip.risk-medium,
html.high-contrast .moderation-chip.pending,
html.high-contrast .admin-moderation-reason {
  background: #593b00 !important;
  color: #fff !important;
  border-color: #000 !important;
}

html.high-contrast .chip.info,
html.high-contrast .risk-chip.risk-none,
html.high-contrast .moderation-chip.rejected {
  background: #111 !important;
  color: #fff !important;
  border-color: #000 !important;
}

html.high-contrast input,
html.high-contrast textarea,
html.high-contrast select,
html.high-contrast .font-size-switcher,
html.high-contrast .auth-badge,
html.high-contrast .session-device-panel,
html.high-contrast .session-device-item,
html.high-contrast .backup-code-panel,
html.high-contrast .backup-code-reveal,
html.high-contrast .backup-code-output {
  background: #fff !important;
  color: #000 !important;
  border-color: #000 !important;
}

.adsbygoogle-slot {
  display: block;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(circle at 8% 10%, rgba(255, 255, 255, 0.88), transparent 34%),
    radial-gradient(circle at 94% 4%, rgba(186, 200, 214, 0.22), transparent 28%),
    linear-gradient(140deg, var(--bg-1), var(--bg-2));
}

.admin-host-gate {
  display: none;
  min-height: 100vh;
  width: 100%;
  padding: 1rem;
  align-items: center;
  justify-content: center;
}

.admin-host-gate-card {
  width: min(620px, 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 1rem;
  display: grid;
  gap: 0.65rem;
}

html.admin-host-prelock .admin-host-gate {
  display: flex;
}

html.admin-host-prelock .shell {
  display: none !important;
}

.shell {
  --side-nav-width: 228px;
  --side-nav-left: 0.8rem;
  width: min(1360px, calc(100% - 1.8rem));
  margin: 1rem auto 1.4rem;
  display: grid;
  gap: 0.82rem;
  padding-left: calc(var(--side-nav-width) + var(--side-nav-left));
  transition: padding-left 0.2s ease;
}

.shell.side-nav-collapsed {
  --side-nav-width: 76px;
}

.shell.admin-desktop-wide {
  width: min(1840px, calc(100% - 1.4rem));
}

.shell.admin-desktop-wide #adminListCard .table-wrap {
  max-height: 72vh;
}

.topbar,
.card,
.top-nav {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding: clamp(0.88rem, 1.1vw, 1.08rem) clamp(0.92rem, 1.3vw, 1.2rem);
  position: sticky;
  top: 0.6rem;
  z-index: 100;
  backdrop-filter: blur(6px);
}

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

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
}

.brand-link:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 12px;
}

.brand-logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  border: 1px solid rgba(16, 27, 52, 0.14);
  box-shadow: 0 6px 16px rgba(24, 55, 102, 0.18);
  object-fit: cover;
  flex: 0 0 auto;
}

.floating-logo {
  position: fixed;
  left: var(--side-nav-left);
  top: 0.72rem;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(16, 27, 52, 0.16);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 18px rgba(24, 55, 102, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 130;
}

.floating-logo img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.floating-logo:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.brand-copy {
  min-width: 0;
}

.brand-copy h1,
.brand-copy .eyebrow {
  overflow-wrap: anywhere;
}

.side-nav-toggle {
  position: fixed;
  left: calc(var(--side-nav-left) + 52px);
  top: 0.76rem;
  z-index: 120;
  min-height: 38px;
  border-radius: 10px;
  padding: 0.38rem 0.64rem;
}

.top-nav {
  position: fixed;
  left: var(--side-nav-left);
  top: 3.65rem;
  width: var(--side-nav-width);
  max-height: calc(100vh - 4.4rem);
  overflow: auto;
  display: grid;
  grid-template-columns: 1fr;
  grid-auto-rows: minmax(42px, auto);
  gap: 0.32rem;
  padding: 0.46rem;
  z-index: 110;
  transition: width 0.2s ease;
}

.shell.side-nav-collapsed .top-nav {
  padding-inline: 0.36rem;
}

.eyebrow {
  margin: 0;
  font-size: 0.79rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--accent-2);
}

h1,
h2,
h3 {
  margin: 0;
}

h1 {
  margin-top: 0.3rem;
  font-size: clamp(1.15rem, 3vw, 1.8rem);
}

.header-actions {
  display: grid;
  justify-items: end;
  gap: 0.4rem;
  min-width: min(18rem, 100%);
  max-width: min(100%, 46rem);
}

.accessibility-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.font-size-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.34rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 0.2rem 0.35rem 0.2rem 0.52rem;
  max-width: 100%;
}

.font-size-switcher span {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--muted);
}

.font-size-switcher select {
  min-width: 4.4rem;
  padding: 0.2rem 0.36rem;
  font-size: 0.82rem;
}

.auth-badge {
  position: fixed;
  left: 0.72rem;
  bottom: calc(1.7rem + env(safe-area-inset-bottom, 0px));
  z-index: 80;
  padding: 0.26rem 0.52rem;
  border-radius: 999px;
  border: 1px solid #c8d8f2;
  background: #edf5ff;
  color: #1d4f8f;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: normal;
  text-align: left;
  line-height: 1.35;
  max-width: min(72vw, 320px);
  box-shadow: 0 5px 12px rgba(22, 52, 94, 0.16);
  overflow-wrap: anywhere;
  pointer-events: none;
}

.site-name-fixed {
  position: fixed;
  left: 0.72rem;
  bottom: calc(0.28rem + env(safe-area-inset-bottom, 0px));
  z-index: 79;
  margin: 0;
  padding: 0.12rem 0.42rem;
  border: 1px solid rgba(16, 27, 52, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: #4c607a;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  pointer-events: none;
}

.toast {
  margin: 0;
  min-height: 1.1rem;
  color: #2b4e74;
  font-size: 0.9rem;
  padding-inline: 0.25rem;
}

.network-banner {
  margin: 0.15rem 0 0.35rem;
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  border: 1px solid #f1c98f;
  background: #fff9ef;
  color: #85572d;
  font-size: 0.9rem;
  font-weight: 700;
}

.network-banner.offline {
  border-color: #e3a6a1;
  background: #fff2f1;
  color: #9d3028;
}

.network-banner.syncing {
  border-color: #f1c98f;
  background: #fff9ef;
  color: #85572d;
}

.view-stage {
  position: relative;
  min-height: calc(100vh - 190px);
}

.view {
  display: none;
  gap: 0.65rem;
  animation: viewOut 0.18s ease;
}

.view.is-active {
  display: grid;
  animation: viewIn 0.24s ease;
}

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

@keyframes viewOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

.card {
  padding: 1rem 1.06rem;
  display: grid;
  gap: 0.7rem;
}

.settings-layout {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
}

.settings-sidebar {
  position: sticky;
  top: 0.65rem;
  align-self: start;
}

.settings-nav {
  display: grid;
  gap: 0.38rem;
}

.settings-nav-btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f7fbff;
  color: #153055;
  padding: 0.58rem 0.84rem;
  width: 100%;
  text-align: left;
  min-height: 2.5rem;
  line-height: 1.3;
  white-space: normal;
  overflow-wrap: anywhere;
}

.settings-nav-btn.active {
  border-color: #1f7fd0;
  background: #1f7fd0;
  color: #fff;
}

.settings-content {
  display: grid;
  gap: 0.65rem;
  min-width: 0;
}

.settings-pane {
  display: none;
}

.settings-pane.is-active {
  display: grid;
}

.login-view-card {
  width: min(860px, 100%);
  margin: 0 auto;
}

.legal-card {
  width: min(980px, 100%);
  margin: 0 auto;
  gap: 0.7rem;
}

.legal-section {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.72rem 0.8rem;
  display: grid;
  gap: 0.36rem;
}

.legal-section h3 {
  font-size: 1rem;
  color: #16365f;
}

.legal-section p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: #203d60;
}

.legal-list {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.24rem;
}

.legal-list li {
  font-size: 0.92rem;
  line-height: 1.6;
  color: #203d60;
}

.login-block {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.72rem;
  display: grid;
  gap: 0.5rem;
}

.login-block h3 {
  margin: 0;
}

.release-note-list {
  display: grid;
  gap: 0.5rem;
}

.release-note-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.6rem 0.68rem;
  display: grid;
  gap: 0.3rem;
}

.release-note-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.release-note-version {
  display: inline-flex;
  align-items: center;
  border: 1px solid #c1d6f3;
  border-radius: 999px;
  background: #eaf3ff;
  color: #124b82;
  padding: 0.14rem 0.5rem;
  font-size: 0.74rem;
  font-weight: 700;
}

.release-note-highlights {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.16rem;
  color: #1f3b60;
}

.release-note-body {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.5;
  color: #2a4365;
  font-size: 0.88rem;
}

.support-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.support-form-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.66rem;
  display: grid;
  gap: 0.45rem;
}

.support-form-card-wide {
  grid-column: 1 / -1;
}

.release-note-modal-card {
  width: min(760px, calc(100vw - 1.2rem));
}

.feedback-vote-board-list {
  display: grid;
  gap: 0.48rem;
}

.feedback-vote-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f9fcff;
  padding: 0.58rem 0.62rem;
  display: grid;
  gap: 0.3rem;
}

.feedback-vote-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.feedback-vote-meta {
  display: flex;
  align-items: center;
  gap: 0.38rem;
  flex-wrap: wrap;
}

.feedback-vote-summary {
  margin: 0;
  color: #284b73;
  line-height: 1.45;
  white-space: pre-wrap;
}

.feedback-vote-vote-btn {
  min-width: 5.8rem;
}

.feedback-vote-vote-btn.voted {
  border-color: #2e81d9;
  background: #e9f3ff;
  color: #17518e;
}

.support-recovery-card {
  margin-top: 0.6rem;
  background: #f7fbff;
}

.support-recovery-detail {
  margin: 0;
  font-size: 0.82rem;
  color: #476185;
  line-height: 1.45;
  word-break: break-word;
}

.assistant-card {
  background: #f9fcff;
}

.assistant-result {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.56rem;
  display: grid;
  gap: 0.42rem;
}

.assistant-result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.assistant-result-summary {
  margin: 0;
  line-height: 1.52;
  color: #1f3d63;
  white-space: pre-wrap;
}

.assistant-result-list {
  display: grid;
  gap: 0.42rem;
}

.assistant-result-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.52rem;
  display: grid;
  gap: 0.22rem;
}

.assistant-result-item-title {
  margin: 0;
  font-weight: 700;
  line-height: 1.4;
}

.assistant-result-item-snippet {
  margin: 0;
  color: #2a486f;
  line-height: 1.46;
  white-space: pre-wrap;
}

.assistant-result-bullets {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.18rem;
}

.assistant-result-steps {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.22rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.muted {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.danger-text {
  color: var(--bad) !important;
}

#threadCommunityRules,
#communityJoinStatus,
#communityManageStatus {
  white-space: pre-wrap;
  word-break: break-word;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 0.55rem;
}

.home-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.85rem;
  text-align: left;
  color: #132749;
  display: grid;
  gap: 0.3rem;
  text-decoration: none;
}

.home-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.quiz-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 0.68rem;
  align-items: start;
}

.quiz-sidebar {
  position: sticky;
  top: 0.68rem;
  max-height: calc(100vh - 1.36rem);
  overflow: auto;
  display: grid;
  gap: 0.56rem;
}

.quiz-side-nav {
  display: grid;
  gap: 0.34rem;
}

.quiz-side-btn {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: #153055;
  text-align: left;
  padding: 0.58rem 0.72rem;
  min-height: 44px;
  font-weight: 700;
}

.quiz-side-btn.active {
  border-color: #1f7fd0;
  background: #edf5ff;
  color: #0f2e57;
}

.quiz-main {
  display: grid;
  gap: 0.68rem;
  min-width: 0;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(110px, 1fr));
  gap: 0.5rem;
}

.quiz-series-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 0.58rem;
}

.quiz-series-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: #153257;
  text-align: left;
  padding: 0.92rem;
  min-height: 104px;
  display: grid;
  gap: 0.34rem;
}

.quiz-series-card strong {
  font-size: 1.03rem;
}

.quiz-series-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.mode-card {
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  color: #143156;
  padding: 0.94rem;
  display: grid;
  gap: 0.38rem;
  text-align: left;
  min-height: 92px;
  overflow-wrap: anywhere;
}

.mode-card strong {
  font-size: clamp(1rem, 2.2vw, 1.1rem);
  color: #143156;
}

.mode-card.active {
  border-color: #1f7fd0;
  background: #edf5ff;
  color: #0f2e57;
}

.mode-count {
  color: #26538b;
  font-size: 0.95rem;
}

.quiz-mode-options {
  margin-top: 0.65rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.55rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f9fcff;
  padding: 0.62rem 0.72rem;
}

.quiz-timer-select {
  display: grid;
  gap: 0.24rem;
  min-width: 180px;
}

.quiz-timer-select span {
  font-size: 0.8rem;
  color: var(--muted);
}

.quiz-timer-select select {
  min-height: 36px;
}

.quiz-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.quiz-progress strong {
  font-size: clamp(1rem, 2.4vw, 1.14rem);
}

#quizTimerWrap strong {
  font-size: 0.95rem;
}

#quizTimerWrap.danger {
  border-color: #f3c4c1;
  background: #fff1f0;
  color: #9b1c15;
}

#quizQuestionText {
  font-size: clamp(1.16rem, 2.8vw, 1.52rem);
  line-height: 1.5;
}

.quiz-image-wrap {
  margin: 0.12rem 0 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fbff;
  padding: 0.42rem;
  overflow: hidden;
}

.quiz-question-image {
  display: block;
  width: 100%;
  max-height: min(48vh, 420px);
  object-fit: contain;
  border-radius: 10px;
  background: #fff;
}

.chip {
  border-radius: 999px;
  border: 1px solid #cbdaf2;
  background: #eef5ff;
  color: #1e4f90;
  padding: 0.22rem 0.62rem;
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.25;
  white-space: normal;
  overflow-wrap: anywhere;
}

.chip.ok {
  border-color: #91d2a8;
  background: #ebf9ef;
  color: #155c2c;
}

.chip.info {
  border-color: #99bce6;
  background: #eaf2ff;
  color: #1d4f90;
}

.chip.warning {
  border-color: #e4c17e;
  background: #fff7e8;
  color: #7a4e07;
}

.chip.danger {
  border-color: #e2a0a0;
  background: #fff0f0;
  color: #901f1f;
}

.moderation-chip {
  margin-left: 0.32rem;
}

.push-notification-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fbff;
  padding: 0.64rem 0.72rem;
  display: grid;
  gap: 0.5rem;
}

.moderation-chip.pending {
  border-color: #efd8a3;
  background: #fff7e6;
  color: #8b5b0a;
}

.moderation-chip.rejected {
  border-color: #f0c3c0;
  background: #fff0f0;
  color: #8f231f;
}

.choices {
  display: grid;
  gap: 0.55rem;
}

.choice-button {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: #152745;
  padding: 0.96rem 1.02rem;
  text-align: left;
  font-weight: 700;
  font-size: clamp(1.04rem, 1.7vw, 1.18rem);
  line-height: 1.45;
  min-height: 62px;
  overflow-wrap: anywhere;
}

.choice-button strong {
  display: inline-block;
  min-width: 1.6rem;
  margin-right: 0.18rem;
}

.choice-button.selected {
  border-color: #2d82d3;
  background: #edf5ff;
}

.choice-button.correct {
  border-color: var(--good);
  background: #ebfaef;
}

.choice-button.wrong {
  border-color: var(--bad);
  background: #fff1f0;
}

.reorder-wrap {
  display: grid;
  gap: 0.62rem;
}

.reorder-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f9fcff;
  padding: 0.62rem;
  display: grid;
  gap: 0.46rem;
}

.reorder-card h4 {
  margin: 0;
  font-size: 0.92rem;
  color: #264b80;
}

.reorder-token-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.44rem;
}

.reorder-token {
  border: 1px solid #c8d9f3;
  border-radius: 999px;
  background: #fff;
  color: #17345e;
  font-weight: 700;
  font-size: clamp(0.96rem, 2.4vw, 1.08rem);
  line-height: 1.28;
  padding: 0.46rem 0.78rem;
  min-height: 42px;
}

.reorder-token.selected {
  border-color: #2d82d3;
  background: #edf5ff;
}

.reorder-token span {
  opacity: 0.72;
  margin-right: 0.2rem;
}

.reorder-empty {
  margin: 0;
}

.review-list {
  display: grid;
  gap: 0.42rem;
}

.review-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.58rem;
  line-height: 1.45;
}

.review-item.correct {
  border-left: 5px solid var(--good);
}

.review-item.wrong {
  border-left: 5px solid var(--bad);
}

.weak-question-section {
  margin-top: 0.72rem;
  display: grid;
  gap: 0.42rem;
}

.weak-item {
  border-left: 5px solid #ffc85f;
}

.thread-list,
.post-list {
  display: grid;
  gap: 0.35rem;
}

.thread-item,
.post-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.46rem 0.52rem;
}

.thread-head,
.post-head {
  display: flex;
  align-items: center;
  gap: 0.46rem;
}

.thread-head-main {
  min-width: 0;
  display: grid;
  gap: 0.15rem;
}

.avatar-badge {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  object-fit: cover;
  flex: 0 0 auto;
  background: #fff;
}

.thread-avatar {
  width: 30px;
  height: 30px;
}

.post-avatar {
  width: 28px;
  height: 28px;
}

.avatar-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #eef4ff;
  color: #1a4f8a;
  font-weight: 700;
  font-size: 0.85rem;
}

.thread-item {
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.thread-item:hover {
  background: #f5faff;
  border-color: #9fc2ea;
  transform: translateY(-1px);
}

.thread-title {
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.35;
}

.thread-meta,
.post-meta {
  color: var(--muted);
  font-size: 0.82rem;
}

.thread-preview {
  margin-top: 0.2rem;
  font-size: 0.88rem;
  color: #273f5e;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.thread-actions,
.post-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 0.35rem;
  gap: 0.35rem;
}

.like-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border-radius: 999px;
  padding: 0.34rem 0.66rem;
  font-size: 0.84rem;
}

.like-btn .like-count {
  min-width: 1.1rem;
  text-align: right;
}

.share-btn .share-count {
  min-width: 1.1rem;
  text-align: right;
}

.like-btn.liked {
  border-color: #3f86cf;
  background: #eaf3ff;
  color: #14509a;
}

.share-btn.shared {
  border-color: #3d9e75;
  background: #e8f8ef;
  color: #1f7a52;
}

.thread-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.32rem;
  margin-top: 0.36rem;
}

.tag-chip {
  border: 1px solid #bdd4f0;
  border-radius: 999px;
  background: #f1f7ff;
  color: #1a4f8a;
  padding: 0.22rem 0.58rem;
  font-size: 0.8rem;
}

.thread-hashtags-wrap {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.58rem;
  display: grid;
  gap: 0.45rem;
}

.thread-tag-item {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.thread-tag-chip {
  cursor: pointer;
}

.thread-tag-edit-btn,
.thread-tag-delete-btn {
  padding: 0.28rem 0.5rem;
  font-size: 0.76rem;
}

.thread-tag-bulk-input {
  min-width: min(420px, 100%);
}

.board-feed-tabs {
  display: flex;
  gap: 0.38rem;
  flex-wrap: wrap;
}

.board-live-trend-wrap {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.54rem;
  display: grid;
  gap: 0.36rem;
}

.board-user-recommend-empty {
  color: var(--muted);
}

.board-subtabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
}

.board-subtab {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f7fbff;
  color: #153055;
  padding: 0.42rem 0.82rem;
  min-height: 2.45rem;
  line-height: 1.25;
  white-space: normal;
  overflow-wrap: anywhere;
}

.board-subtab.active {
  border-color: #1f7fd0;
  background: #1f7fd0;
  color: #fff;
}

.board-subtab-pane {
  display: grid;
  gap: 0.5rem;
}

.board-x-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr) 360px;
  gap: 0.68rem;
  align-items: start;
}

.board-rail-card,
.board-right-card {
  position: sticky;
  top: 0.68rem;
  max-height: calc(100vh - 1.36rem);
  overflow: auto;
}

.board-rail-card {
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  gap: 0.58rem;
}

.board-rail-actions {
  display: grid;
  grid-template-columns: 1fr;
}

.board-subtabs-rail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.34rem;
  align-content: start;
}

.board-subtabs-rail .board-subtab {
  width: 100%;
  justify-content: flex-start;
  text-align: left;
  border-radius: 12px;
  background: #fff;
}

.board-rail-self-profile {
  border-top: 1px solid var(--line);
  padding-top: 0.5rem;
}

.board-my-profile-btn {
  width: 100%;
  justify-content: flex-start;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 0.52rem;
  text-align: left;
  padding: 0.5rem 0.58rem;
}

.board-my-profile-btn:disabled {
  opacity: 0.75;
  cursor: not-allowed;
}

.board-my-profile-avatar {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
}

.board-my-profile-avatar .avatar-badge {
  width: 40px;
  height: 40px;
}

.board-my-profile-meta {
  min-width: 0;
  flex: 1 1 auto;
  display: grid;
  gap: 0.08rem;
}

.board-my-profile-meta strong {
  font-size: 0.86rem;
  line-height: 1.3;
  color: #12345a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#boardMyProfileHandle {
  font-size: 0.76rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.board-right-card {
  display: grid;
  gap: 0.58rem;
}

.board-right-card .board-subtab-pane {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.56rem;
}

.board-right-card .board-subtab-pane.hidden {
  display: none;
}

.board-timeline-card {
  padding: 0;
  overflow: hidden;
}

.board-timeline-card > .section-head,
.board-timeline-card > .board-feed-tabs,
.board-timeline-card > #boardFilterStatus,
.board-timeline-card > #pinnedHashtagWrap {
  padding-left: 0.76rem;
  padding-right: 0.76rem;
}

.board-timeline-card > .section-head {
  padding-top: 0.76rem;
}

.board-timeline-card > #threadList {
  margin-top: 0.12rem;
}

.board-timeline-card .thread-list {
  gap: 0;
  border-top: 1px solid var(--line);
}

.board-timeline-card .thread-item {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  padding: 0.66rem 0.76rem;
}

.board-timeline-card .thread-item:last-child {
  border-bottom: 0;
}

.board-timeline-card .thread-item:hover {
  background: #f5f8fd;
  border-color: var(--line);
  transform: none;
}

.board-search-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 0.52rem;
}

.board-search-col {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.5rem;
  display: grid;
  gap: 0.42rem;
}

.board-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.36rem;
  min-height: 1.5rem;
}

.board-chip {
  border: 1px solid #bfd4ef;
  border-radius: 999px;
  background: #f2f8ff;
  color: #173e6a;
  padding: 0.3rem 0.64rem;
  font-size: 0.84rem;
}

.board-chip.hot {
  border-color: #ffb9a8;
  background: #fff3ef;
  color: #8c3e1b;
}

.board-chip.following-empty-chip {
  border-style: dashed;
}

.board-chip .muted {
  margin-left: 0.25rem;
  font-size: 0.75rem;
}

.pinned-hashtag-wrap {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.54rem;
  display: grid;
  gap: 0.4rem;
}

.pinned-hashtag-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem;
}

.hashtag-manage-list {
  display: grid;
  gap: 0.45rem;
}

.hashtag-manage-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.5rem;
  display: grid;
  gap: 0.38rem;
}

.hashtag-manage-title {
  font-weight: 700;
  line-height: 1.35;
}

.hashtag-manage-meta {
  color: var(--muted);
  font-size: 0.76rem;
}

.hashtag-manage-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.hashtag-manage-actions {
  justify-content: flex-end;
}

.hashtag-manage-input {
  width: 100%;
}

.hashtag-manage-help {
  margin-top: -0.2rem;
}

.hashtag-manage-row-status {
  min-height: 1.2em;
}

.board-advanced-filters {
  border: 1px dashed #c2d7ee;
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.56rem;
  display: grid;
  gap: 0.5rem;
}

.board-advanced-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.44rem;
}

.board-filter-checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 0.36rem;
  font-size: 0.84rem;
  color: #2b4565;
}

.mention-suggest-list {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  display: grid;
  gap: 0.2rem;
  padding: 0.26rem;
  max-height: 220px;
  overflow-y: auto;
}

.mention-suggest-item {
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #132f51;
  text-align: left;
  padding: 0.34rem 0.42rem;
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  cursor: pointer;
}

.mention-suggest-item:hover {
  background: #eff6ff;
}

.mention-suggest-avatar {
  width: 24px;
  height: 24px;
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1rem;
  height: 1rem;
  border-radius: 999px;
  background: #1f7fd0;
  color: #fff;
  font-size: 0.64rem;
  font-weight: 700;
  margin-left: 0.2rem;
  line-height: 1;
}

.trust-score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #c3d7ee;
  border-radius: 999px;
  padding: 0.04rem 0.34rem;
  background: #f4f9ff;
  color: #184777;
  font-size: 0.68rem;
  font-weight: 700;
  margin-left: 0.26rem;
}

.thread-pin-mark {
  margin-right: 0.24rem;
  color: #d27800;
}

.notification-list {
  display: grid;
  gap: 0.42rem;
}

.notification-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.5rem;
  display: grid;
  gap: 0.3rem;
}

.notification-item.unread {
  border-left: 4px solid #2a82d4;
  background: #f3f8ff;
}

.notification-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.notification-title {
  font-weight: 700;
  font-size: 0.92rem;
}

.notification-meta {
  color: var(--muted);
  font-size: 0.78rem;
}

.dm-layout {
  display: grid;
  grid-template-columns: minmax(230px, 0.95fr) minmax(0, 1.45fr);
  gap: 0.58rem;
}

.dm-conversation-pane,
.dm-message-pane {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.54rem;
  display: grid;
  gap: 0.48rem;
}

.dm-conversation-list {
  display: grid;
  gap: 0.35rem;
  max-height: 420px;
  overflow: auto;
}

.dm-conversation-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: #163153;
  text-align: left;
  padding: 0.5rem;
  display: grid;
  gap: 0.2rem;
}

.dm-conversation-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.4rem;
}

.dm-conversation-item:hover {
  background: #f5faff;
}

.dm-conversation-item.active {
  border-color: #2d82d3;
  background: #edf6ff;
}

.dm-conversation-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.35rem;
}

.dm-conversation-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.dm-pin-btn {
  min-width: 2.4rem;
  padding: 0.2rem 0.45rem;
  font-size: 0.75rem;
}

.dm-conversation-item.pinned {
  border-color: #9ec4ea;
  background: #f8fbff;
}

.dm-conversation-preview {
  color: var(--muted);
  font-size: 0.82rem;
}

.dm-search-match {
  color: #1f4f86;
  font-size: 0.78rem;
}

.dm-message-list {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  min-height: 210px;
  max-height: 460px;
  overflow: auto;
  padding: 0.46rem;
  display: grid;
  gap: 0.34rem;
}

.dm-message-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.42rem;
  display: grid;
  gap: 0.2rem;
}

.dm-message-item.mine {
  border-color: #9ec6eb;
  background: #eef6ff;
}

.dm-message-meta {
  color: var(--muted);
  font-size: 0.76rem;
}

.dm-message-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.dm-message-read {
  font-size: 0.74rem;
  color: var(--muted);
}

.dm-report-btn {
  padding: 0.22rem 0.46rem;
  font-size: 0.74rem;
}

.username-button {
  border: 0;
  background: transparent;
  color: #1a4f8a;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.mention-inline-btn {
  padding: 0.18rem 0.46rem;
  font-size: 0.74rem;
  margin-left: 0.35rem;
}

.feed-tab {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f6f9ff;
  color: #153055;
  padding: 0.42rem 0.82rem;
  min-height: 2.45rem;
  line-height: 1.25;
  white-space: normal;
  overflow-wrap: anywhere;
}

.feed-tab.active {
  background: #1f7fd0;
  color: #fff;
  border-color: #1f7fd0;
}

.follow-user-list {
  display: grid;
  gap: 0.38rem;
}

.follow-user-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.44rem 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.45rem;
}

.follow-user-item.selected {
  border-color: #2d82d3;
  background: #edf6ff;
}

.follow-user-main {
  display: flex;
  align-items: center;
  gap: 0.42rem;
  min-width: 0;
}

.blocked-user-row {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
}

.blocked-user-row .blocked-select {
  margin-top: 0.22rem;
}

.follow-user-text {
  display: grid;
  gap: 0.12rem;
  min-width: 0;
}

.follow-user-text strong {
  font-size: 0.9rem;
  line-height: 1.2;
}

.follow-avatar {
  width: 30px;
  height: 30px;
}

.post-body {
  margin-top: 0.28rem;
  white-space: pre-wrap;
  line-height: 1.56;
  word-break: break-word;
}

.post-body .md-inline-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  border: 1px solid #c9d8ea;
  border-radius: 6px;
  background: #f1f7ff;
  padding: 0.05rem 0.28rem;
  font-size: 0.82em;
}

.post-body .md-code {
  margin: 0.42rem 0;
  border: 1px solid #d2dfef;
  border-radius: 10px;
  background: #f7fbff;
  padding: 0.52rem;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.84rem;
}

.post-body .md-code code {
  font-family: inherit;
}

.post-body .md-list {
  margin: 0.38rem 0 0.45rem;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.16rem;
}

.post-body .md-quote {
  margin: 0.32rem 0;
  border-left: 3px solid #7ca8d6;
  padding: 0.2rem 0 0.2rem 0.56rem;
  color: #355679;
  background: #f7fbff;
}

.post-body .md-h1,
.post-body .md-h2,
.post-body .md-h3,
.post-body .md-h4,
.post-body .md-h5,
.post-body .md-h6 {
  margin: 0.48rem 0 0.24rem;
  line-height: 1.35;
}

.post-body .md-h1 {
  font-size: 1.08rem;
}

.post-body .md-h2 {
  font-size: 1rem;
}

.post-body .md-h3 {
  font-size: 0.96rem;
}

.post-body .spoiler-block {
  margin: 0.36rem 0;
  border: 1px solid #c7d9ee;
  border-radius: 9px;
  background: #f7fbff;
  padding: 0.18rem 0.46rem;
}

.post-body .spoiler-block summary {
  cursor: pointer;
  font-weight: 700;
  color: #163f6d;
}

.post-body .spoiler-block[open] {
  background: #eef6ff;
}

.post-body a {
  color: #1c66ae;
  text-decoration: underline;
}

.thread-composer-tools {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.56rem;
  display: grid;
  gap: 0.5rem;
}

.reply-context {
  border: 1px solid #c3d8f2;
  border-radius: 10px;
  background: #f2f8ff;
  padding: 0.42rem 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
}

.thread-scheduled-wrap {
  display: grid;
  gap: 0.35rem;
}

.scheduled-post-list {
  display: grid;
  gap: 0.35rem;
}

.scheduled-post-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.42rem 0.5rem;
  display: grid;
  gap: 0.25rem;
}

.scheduled-post-meta {
  color: var(--muted);
  font-size: 0.77rem;
}

.poll-editor {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.42rem 0.5rem;
  display: grid;
  gap: 0.5rem;
}

.media-editor {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.42rem 0.5rem;
  display: grid;
  gap: 0.4rem;
}

.post-media-editor-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 0.35rem;
}

.post-media-editor-item {
  border: 1px solid #cfdded;
  border-radius: 10px;
  background: #f7fbff;
  padding: 0.24rem;
  display: grid;
  gap: 0.25rem;
}

.post-media-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  background: #e9f2ff;
  display: block;
}

.post-media-editor-meta {
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.2;
}

.post-media-view-grid {
  margin-top: 0.34rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.34rem;
}

.post-media-view-item {
  border: 1px solid #cfe0f2;
  border-radius: 10px;
  background: #f6fbff;
  padding: 0.2rem;
  overflow: hidden;
}

.post-media-view-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border-radius: 8px;
  background: #e8f2ff;
}

.poll-editor > summary {
  cursor: pointer;
  font-weight: 700;
}

.poll-option-editor {
  display: grid;
  gap: 0.34rem;
}

.poll-option-row {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.poll-option-row input[type="text"] {
  flex: 1;
}

.thread-posts-empty {
  color: var(--muted);
}

.post-item {
  position: relative;
}

.post-item.depth-1 { margin-left: 14px; }
.post-item.depth-2 { margin-left: 28px; }
.post-item.depth-3 { margin-left: 42px; }
.post-item.depth-4 { margin-left: 56px; }
.post-item.depth-5 { margin-left: 70px; }
.post-item.depth-6 { margin-left: 84px; }

.post-thread-line {
  position: absolute;
  left: -8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: #d7e5f5;
  border-radius: 999px;
}

.post-quote {
  margin-top: 0.3rem;
  border-left: 3px solid #93b8df;
  background: #f4f8ff;
  border-radius: 8px;
  padding: 0.35rem 0.45rem;
  font-size: 0.8rem;
  color: #294667;
}

.post-quote strong {
  display: block;
  color: #1b3e67;
  margin-bottom: 0.14rem;
}

.post-quote-actions {
  margin-top: 0.24rem;
  display: flex;
  justify-content: flex-end;
}

.post-depth-chip {
  display: inline-block;
  margin-left: 0.34rem;
  padding: 0.05rem 0.35rem;
  border: 1px solid #b7cfe8;
  border-radius: 999px;
  font-size: 0.68rem;
  color: #2a547f;
  background: #eef5ff;
}

.post-reply-to {
  display: inline-block;
  margin-left: 0.34rem;
  font-size: 0.72rem;
  color: #4b6788;
}

.post-item.focus-target {
  border-color: #4d8fd0;
  box-shadow: 0 0 0 2px rgba(77, 143, 208, 0.2);
}

.post-moderation-note {
  margin-top: 0.3rem;
  border: 1px dashed #e7c47a;
  border-radius: 8px;
  background: #fff8ea;
  color: #704a0c;
  font-size: 0.78rem;
  line-height: 1.35;
  padding: 0.34rem 0.45rem;
}

.post-actions-secondary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.post-action-btn {
  padding: 0.26rem 0.52rem;
  font-size: 0.76rem;
}

.reaction-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.reaction-chip {
  border: 1px solid #bfd2ea;
  border-radius: 999px;
  background: #f4f8ff;
  color: #1c446f;
  padding: 0.24rem 0.5rem;
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.24rem;
}

.reaction-chip.reacted {
  border-color: #3d87ce;
  background: #e8f2ff;
  color: #114f8f;
}

.post-history-box {
  margin-top: 0.3rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.45rem;
  display: grid;
  gap: 0.35rem;
}

.post-history-item {
  border: 1px solid #dce8f5;
  border-radius: 8px;
  background: #fff;
  padding: 0.36rem 0.42rem;
}

.post-history-summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.77rem;
}

.post-history-columns {
  margin-top: 0.34rem;
  display: grid;
  gap: 0.34rem;
}

.post-history-body {
  margin-top: 0.15rem;
  border: 1px solid #dce8f5;
  border-radius: 8px;
  background: #f8fbff;
  padding: 0.3rem 0.36rem;
  font-size: 0.78rem;
  line-height: 1.45;
  color: #223b57;
  word-break: break-word;
}

.post-history-body.old {
  border-left: 3px solid #d89a9a;
}

.post-history-body.new {
  border-left: 3px solid #8bbf94;
}

.poll-card {
  margin-top: 0.34rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.45rem;
  display: grid;
  gap: 0.34rem;
}

.poll-question {
  font-weight: 700;
  font-size: 0.84rem;
}

.poll-meta {
  color: var(--muted);
  font-size: 0.74rem;
}

.poll-option-list {
  display: grid;
  gap: 0.28rem;
}

.poll-option-btn {
  border: 1px solid #bfd3eb;
  border-radius: 10px;
  background: #fff;
  color: #173b62;
  text-align: left;
  padding: 0.35rem 0.46rem;
  display: flex;
  justify-content: space-between;
  gap: 0.35rem;
}

.poll-option-btn.voted {
  border-color: #4a8ed3;
  background: #ecf5ff;
  color: #125395;
}

.profile-avatar-preview-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.profile-avatar-preview {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--line);
  object-fit: cover;
  background: #fff;
}

.profile-image-editors {
  display: grid;
  gap: 0.6rem;
}

.profile-image-editor {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.62rem;
  display: grid;
  gap: 0.5rem;
}

.profile-banner-preview-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 6 / 1;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(145deg, #edf4ff, #f8fbff);
  overflow: hidden;
  display: grid;
  place-items: center;
}

.profile-banner-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-view-card {
  gap: 0.75rem;
}

.profile-view-banner-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 6 / 1;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(145deg, #edf4ff, #f8fbff);
}

.profile-view-banner-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-view-banner-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #56739a;
  font-weight: 700;
  font-size: 0.95rem;
}

.profile-view-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.7rem;
}

.profile-view-avatar-wrap {
  position: relative;
  flex: 0 0 auto;
}

.profile-view-avatar-slot {
  flex: 0 0 auto;
  margin-top: -30px;
  margin-left: 0.2rem;
}

.profile-view-avatar-slot .avatar-badge {
  width: 94px;
  height: 94px;
  border-width: 2px;
  background: #fff;
}

.profile-view-title-wrap {
  min-width: 0;
  flex: 1 1 auto;
  display: grid;
  gap: 0.2rem;
}

.profile-view-name-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

#profileViewName {
  font-size: clamp(1.2rem, 2.4vw, 1.45rem);
}

#profileViewHandle {
  font-size: 0.9rem;
}

.profile-banner-size-note {
  font-size: 0.8rem;
}

.profile-edit-icon {
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid #b9cce8;
  background: rgba(255, 255, 255, 0.96);
  color: #1c4f8e;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.92rem;
  line-height: 1;
}

.profile-view-banner-wrap .profile-edit-icon {
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  z-index: 2;
}

.profile-view-avatar-wrap .profile-edit-icon {
  position: absolute;
  right: -6px;
  bottom: 4px;
}

.profile-activity-section {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fbff;
  padding: 0.62rem;
  display: grid;
  gap: 0.45rem;
}

.profile-activity-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.35rem;
}

.profile-activity-tab {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: #173a66;
  min-height: 2.25rem;
  padding: 0.42rem 0.48rem;
  line-height: 1.25;
}

.profile-activity-tab.active {
  border-color: #1f7fd0;
  background: #1f7fd0;
  color: #fff;
}

.profile-activity-list {
  display: grid;
  gap: 0.4rem;
}

.profile-activity-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.52rem;
  display: grid;
  gap: 0.3rem;
}

.profile-activity-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.profile-activity-head strong {
  color: #173a66;
}

.profile-activity-meta {
  color: var(--muted);
  font-size: 0.8rem;
}

.profile-activity-body {
  margin: 0;
  color: #27496d;
  font-size: 0.83rem;
  line-height: 1.45;
  word-break: break-word;
}

.thread-page-card {
  gap: 0.8rem;
}

.thread-page-posts {
  gap: 0.5rem;
}

.inline-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.inline-actions.compact {
  gap: 0.35rem;
}

.inline-actions.wrap {
  flex-wrap: wrap;
}

.stack-form {
  display: grid;
  gap: 0.55rem;
}

.session-device-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.68rem;
  display: grid;
  gap: 0.5rem;
}

.session-device-list {
  display: grid;
  gap: 0.42rem;
}

.session-device-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.52rem;
  display: grid;
  gap: 0.34rem;
}

.session-device-item.current {
  border-color: #86b6e8;
  background: #f3f8ff;
}

.session-device-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.session-device-title {
  font-weight: 700;
  color: #143156;
}

.session-device-meta {
  font-size: 0.82rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.session-device-ua {
  margin: 0;
  font-size: 0.77rem;
  color: #304864;
  word-break: break-word;
}

.session-device-actions {
  display: flex;
  justify-content: flex-end;
}

.session-current-badge {
  border: 1px solid #89b7e8;
  border-radius: 999px;
  background: #e9f2ff;
  color: #1a4f8a;
  padding: 0.1rem 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
}

.backup-code-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.68rem;
  display: grid;
  gap: 0.48rem;
}

.backup-code-reveal {
  border: 1px dashed #8fb2df;
  border-radius: 10px;
  background: #f4f8ff;
  padding: 0.5rem;
  display: grid;
  gap: 0.35rem;
}

.backup-code-output {
  margin: 0;
  border: 1px solid #c8daf2;
  border-radius: 10px;
  background: #fff;
  color: #123459;
  padding: 0.54rem;
  font-family: "Consolas", "SFMono-Regular", "Menlo", "Monaco", monospace;
  font-size: 0.86rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.backup-code-list {
  display: grid;
  gap: 0.34rem;
}

.backup-code-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.46rem 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.backup-code-item.used {
  background: #f6f8fb;
  color: #667c98;
}

.backup-code-label {
  font-weight: 700;
  color: #143156;
}

.backup-code-item.used .backup-code-label {
  color: #4f6582;
}

.backup-code-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.top-gap {
  margin-top: 0.45rem;
}

label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.92rem;
  font-weight: 700;
}

button,
input,
textarea,
select {
  font: inherit;
  line-height: 1.35;
}

button {
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  padding: 0.55rem 0.84rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 2.4rem;
  max-width: 100%;
  white-space: normal;
  overflow-wrap: anywhere;
}

#startQuizButton,
#nextQuestionButton,
#cancelQuizButton,
#retryQuizButton,
#backToModeButton {
  padding: 0.74rem 1.02rem;
  font-size: 1rem;
}

button.ghost {
  border: 1px solid var(--line);
  background: #eef2f8;
  color: #142843;
}

button.danger {
  background: #c33d38;
  color: #fff;
}

button.danger:hover {
  background: #ad312d;
}

button:disabled {
  opacity: 0.58;
  cursor: not-allowed;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: #10213d;
  padding: 0.56rem 0.68rem;
  max-width: 100%;
}

input,
select {
  min-height: 2.4rem;
}

textarea {
  min-height: 3.2rem;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.hidden {
  display: none !important;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 0.8rem;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(27, 44, 66, 0.34);
}

.modal-card {
  position: relative;
  width: min(860px, calc(100vw - 1.2rem));
  max-height: calc(100vh - 1.2rem);
  overflow: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 0.88rem 0.95rem;
  display: grid;
  gap: 0.58rem;
}

.crop-modal-card {
  width: min(980px, calc(100vw - 1rem));
}

.crop-canvas-wrap {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f6f9ff;
  overflow: hidden;
}

#imageCropCanvas {
  width: 100%;
  height: auto;
  display: block;
  touch-action: none;
  cursor: grab;
}

#imageCropCanvas.dragging {
  cursor: grabbing;
}

.stats-layout {
  display: grid;
  gap: 0.6rem;
}

.stats-layout.with-ranking {
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 1fr);
  align-items: start;
}

.stats-layout.no-ranking {
  grid-template-columns: 1fr;
}

.stats-main {
  min-width: 0;
  display: grid;
  gap: 0.5rem;
}

.stats-side {
  min-width: 0;
}

.stats-side-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.58rem;
  display: grid;
  gap: 0.48rem;
}

.stats-side-card h3 {
  margin: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 0.45rem;
}

.stat-box {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.48rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
}

.stat-value {
  margin-top: 0.25rem;
  font-weight: 700;
}

.top-list {
  display: grid;
  gap: 0.35rem;
}

.top-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.5rem;
  display: flex;
  justify-content: space-between;
}

.ad-box {
  border: 1px dashed #84a4d4;
  border-radius: 10px;
  background: #eef5ff;
  padding: 0.72rem;
}

.stats-panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.stats-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.58rem;
  display: grid;
  gap: 0.48rem;
}

.stats-panel h3 {
  margin: 0;
}

.stats-panel-wide {
  grid-column: 1 / -1;
}

.stats-inline-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 0.44rem;
}

.stats-inline-grid div {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.42rem;
  display: grid;
  gap: 0.2rem;
}

.stats-inline-grid strong {
  font-size: 1rem;
  color: #123764;
}

.stats-table-wrap {
  overflow: auto;
}

.stats-mini-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 460px;
}

.stats-mini-table th,
.stats-mini-table td {
  border-bottom: 1px solid var(--line);
  padding: 0.38rem;
  text-align: left;
  vertical-align: top;
}

.stats-mini-table th {
  position: sticky;
  top: 0;
  background: #f6f9ff;
  z-index: 1;
}

.dist-chart {
  display: grid;
  gap: 0.34rem;
}

.dist-row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) 94px;
  gap: 0.4rem;
  align-items: center;
}

.dist-label,
.dist-value {
  font-size: 0.82rem;
  color: #334c70;
}

.dist-bar-wrap {
  width: 100%;
  height: 9px;
  border-radius: 999px;
  background: #e8effb;
  overflow: hidden;
}

.dist-bar {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #4d8fe0 0%, #2465c1 100%);
}

.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.36rem;
}

.heatmap-cell {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  color: #17365d;
  padding: 0.46rem;
  text-align: left;
  display: grid;
  gap: 0.24rem;
  cursor: default;
  font-weight: 600;
}

.heatmap-rate {
  font-weight: 700;
}

.heatmap-question {
  font-size: 0.8rem;
  color: #304a6f;
  line-height: 1.34;
}

.heatmap-cell.acc-excellent {
  background: #e6f5ea;
  border-color: #97d6aa;
}

.heatmap-cell.acc-good {
  background: #edf6ff;
  border-color: #9dc6f3;
}

.heatmap-cell.acc-fair {
  background: #fff7e7;
  border-color: #f3d095;
}

.heatmap-cell.acc-poor {
  background: #ffecec;
  border-color: #f0b2b2;
}

.suspicion-list {
  display: grid;
  gap: 0.34rem;
  max-height: 280px;
  overflow: auto;
}

.suspicion-row {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.44rem;
  display: grid;
  gap: 0.18rem;
}

.suspicion-head {
  display: flex;
  justify-content: space-between;
  gap: 0.42rem;
}

.suspicion-meta,
.suspicion-reason {
  font-size: 0.78rem;
  color: #3b5377;
  line-height: 1.34;
}


.table-wrap {
  overflow: auto;
  max-height: 520px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1480px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  padding: 0.42rem;
}

th {
  position: sticky;
  top: 0;
  background: #f6f9ff;
  z-index: 2;
}

.admin-editable {
  cursor: text;
}

.admin-editable:hover {
  background: #f4f9ff;
}

.admin-editing {
  padding: 0.15rem !important;
  background: #fff8df;
}

.admin-cell-input {
  width: 100%;
  min-width: 130px;
  border: 1px solid #c9d6e8;
  border-radius: 8px;
  padding: 0.38rem 0.45rem;
  background: #fff;
  color: #10213d;
}

.admin-choice-cell {
  cursor: grab;
}

.admin-choice-cell:active {
  cursor: grabbing;
}

.admin-choice-drag-source {
  opacity: 0.62;
}

.admin-choice-drag-over {
  outline: 2px dashed #2d82d3;
  outline-offset: -2px;
  background: #edf6ff !important;
}

.admin-row-action {
  white-space: nowrap;
  padding: 0.38rem 0.56rem;
  font-size: 0.84rem;
}

.admin-mode-checks {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.55rem;
  display: grid;
  gap: 0.32rem;
}

.admin-mode-checks legend {
  font-weight: 700;
  color: #193a64;
  padding-inline: 0.2rem;
}

.admin-question-layout {
  display: grid;
  grid-template-columns: minmax(200px, 250px) minmax(0, 1fr);
  gap: 0.58rem;
  align-items: start;
}

.admin-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.52rem;
}

.admin-feature-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.58rem;
  display: grid;
  gap: 0.42rem;
}

.admin-feature-panel h3 {
  margin: 0;
}

.admin-feature-threshold-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.42rem;
}

.admin-feature-summary {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.48rem;
  display: grid;
  gap: 0.25rem;
}

.admin-question-sidebar {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.56rem;
  display: grid;
  gap: 0.48rem;
  position: sticky;
  top: 0.64rem;
}

.admin-sidebar-separator {
  height: 1px;
  background: var(--line);
  margin: 0.2rem 0;
}

.admin-mode-filter-list {
  display: grid;
  gap: 0.32rem;
}

.admin-mode-filter-btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f7fbff;
  color: #153055;
  padding: 0.46rem 0.62rem;
  text-align: left;
}

.admin-mode-filter-btn.active {
  border-color: #1f7fd0;
  background: #1f7fd0;
  color: #fff;
}

.admin-mode-stats {
  display: grid;
  gap: 0.3rem;
}

.admin-mode-stat-item {
  display: flex;
  justify-content: space-between;
  gap: 0.4rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.38rem 0.5rem;
  font-size: 0.84rem;
}

.admin-mode-stat-item.over {
  border-color: #d3782d;
  background: #fff3e6;
}

.admin-mode-quota-wrap {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.5rem;
  display: grid;
  gap: 0.42rem;
}

.admin-mode-quota-wrap h3 {
  margin: 0;
  font-size: 0.92rem;
  color: #15395f;
}

.admin-mode-quota-list {
  display: grid;
  gap: 0.34rem;
}

.admin-mode-quota-item {
  border: 1px solid #d8e6f6;
  border-radius: 9px;
  background: #fff;
  padding: 0.4rem 0.46rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
}

.admin-mode-quota-item.over {
  border-color: #d3782d;
  background: #fff7ed;
}

.admin-mode-quota-meta {
  display: grid;
  gap: 0.08rem;
  min-width: 0;
}

.admin-mode-quota-item input[type="number"] {
  width: 88px;
  border: 1px solid #c7d9ee;
  border-radius: 8px;
  background: #fff;
  padding: 0.26rem 0.35rem;
  color: #173a60;
}

.admin-question-table-wrap {
  min-width: 0;
}

.admin-json-editor-wrap {
  margin-top: 0.62rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.6rem;
  display: grid;
  gap: 0.45rem;
}

.admin-submission-list {
  display: grid;
  gap: 0.52rem;
}

.admin-submission-item {
  border: 1px solid #d7e5f5;
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.55rem;
  display: grid;
  gap: 0.36rem;
}

.admin-submission-item.selected {
  border-color: #2a74c9;
  background: #eef6ff;
}

.admin-submission-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem;
}

.admin-submission-head .check-row {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.admin-submission-body {
  display: grid;
  gap: 0.24rem;
  font-size: 0.86rem;
  color: #18385e;
}

.admin-question-version-panel {
  margin-top: 0.62rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.6rem;
  display: grid;
  gap: 0.45rem;
}

.admin-question-diagnosis {
  margin-top: 0.62rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.6rem;
  display: grid;
  gap: 0.45rem;
}

.admin-question-diag-body {
  display: grid;
  gap: 0.46rem;
}

.admin-diag-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.admin-diag-block {
  border: 1px solid #d7e5f5;
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.48rem;
  min-width: 0;
}

.admin-diag-block-full {
  grid-column: 1 / -1;
}

.admin-diag-block h4 {
  margin: 0;
  font-size: 0.93rem;
  color: #143b66;
}

.admin-diag-list {
  list-style: none;
  margin: 0.46rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.38rem;
}

.admin-diag-list li {
  border: 1px solid #d9e7f6;
  border-radius: 8px;
  background: #fff;
  padding: 0.36rem 0.44rem;
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.admin-diag-list li strong,
.admin-diag-list li span,
.admin-diag-list li small {
  overflow-wrap: anywhere;
}

.admin-diag-suggested {
  margin-top: 0.42rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.34rem;
}

.admin-suggestion-editor {
  margin-top: 0.5rem;
  border: 1px solid #dbe8f7;
  border-radius: 10px;
  background: #fff;
  padding: 0.44rem;
  display: grid;
  gap: 0.34rem;
}

.admin-suggestion-editor h5 {
  margin: 0;
  font-size: 0.84rem;
  color: #1d4269;
}

.admin-suggestion-grid {
  display: grid;
  gap: 0.28rem;
}

.admin-suggestion-row {
  border: 1px solid #deebf8;
  border-radius: 8px;
  background: #fbfdff;
  padding: 0.32rem;
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) minmax(0, 1fr) 94px;
  gap: 0.26rem;
  align-items: center;
}

.admin-suggestion-row.changed {
  border-color: #94bbdf;
  background: #eef6ff;
}

.admin-suggestion-from {
  color: #38597a;
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.admin-suggestion-row input[type="text"] {
  width: 100%;
  border: 1px solid #c8dbef;
  border-radius: 7px;
  background: #fff;
  color: #173a60;
  padding: 0.26rem 0.34rem;
  font-size: 0.78rem;
}

.admin-suggestion-row .check-row {
  justify-content: flex-end;
  gap: 0.22rem;
}

.admin-suggestion-preview {
  margin: 0;
  font-size: 0.78rem;
  color: #1f4268;
  border: 1px solid #dbe8f7;
  border-radius: 8px;
  background: #f8fbff;
  padding: 0.3rem 0.4rem;
  overflow-wrap: anywhere;
}

.admin-diag-guide-list {
  margin: 0.4rem 0 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.24rem;
}

.admin-diag-guide-list li {
  font-size: 0.83rem;
  color: #1d4067;
}

.admin-choice-feedback-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 0.45rem;
}

.admin-choice-feedback-note {
  grid-column: 1 / -1;
}

.admin-choice-feedback-note textarea {
  width: 100%;
  resize: vertical;
}

.admin-version-meta {
  border: 1px solid #d7e5f5;
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.48rem;
  display: grid;
  gap: 0.3rem;
}

.admin-version-meta strong {
  display: block;
  color: #143b66;
  margin-top: 0.1rem;
}

.admin-version-compare-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
  align-items: end;
}

.admin-version-compare-tools .admin-filter-field {
  min-width: min(260px, 100%);
  flex: 1 1 220px;
}

.admin-version-compare-tools select {
  width: 100%;
}

.admin-version-compare-body {
  border: 1px solid #d7e5f5;
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.42rem;
  overflow: auto;
}

.admin-version-compare-body.hidden {
  display: none;
}

.admin-version-compare-table {
  min-width: 760px;
  display: grid;
  gap: 0.28rem;
}

.admin-version-compare-row {
  display: grid;
  grid-template-columns: minmax(120px, 160px) minmax(260px, 1fr) minmax(260px, 1fr);
  gap: 0.32rem;
  align-items: start;
}

.admin-version-compare-header {
  border-bottom: 1px solid #d7e5f5;
  padding-bottom: 0.2rem;
}

.admin-version-compare-row.changed .admin-version-compare-field {
  color: #0f4b83;
}

.admin-version-compare-row.changed .admin-version-compare-value {
  border-color: #9fc1e6;
  background: #eef6ff;
}

.admin-version-compare-field {
  font-size: 0.82rem;
  color: #153b63;
  font-weight: 700;
  padding: 0.24rem 0.1rem;
}

.admin-version-compare-col-title {
  font-size: 0.8rem;
  color: #234f7a;
  font-weight: 700;
  padding: 0.24rem 0.1rem;
}

.admin-version-compare-value {
  margin: 0;
  border: 1px solid #deebf8;
  border-radius: 8px;
  background: #fff;
  padding: 0.34rem 0.4rem;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.73rem;
  line-height: 1.32;
  color: #1f3754;
}

.admin-version-rollback-summary {
  border: 1px solid #d7e5f5;
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.45rem 0.52rem;
  display: grid;
  gap: 0.3rem;
}

.admin-version-rollback-summary.hidden {
  display: none;
}

.admin-rollback-summary-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem;
}

.admin-rollback-summary-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  color: #31567b;
  font-size: 0.79rem;
}

.admin-version-list {
  display: grid;
  gap: 0.44rem;
}

.admin-version-item {
  border: 1px solid #d7e5f5;
  border-radius: 10px;
  background: #fff;
  padding: 0.5rem;
  display: grid;
  gap: 0.42rem;
}

.admin-version-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.42rem;
}

.admin-version-title {
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
}

.admin-version-meta-inline {
  font-size: 0.78rem;
  color: var(--muted);
}

.admin-version-changed {
  display: flex;
  flex-wrap: wrap;
  gap: 0.26rem;
}

.admin-version-diff-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem;
}

.admin-version-block {
  border: 1px solid #deebf8;
  border-radius: 8px;
  background: #fbfdff;
  padding: 0.4rem;
  display: grid;
  gap: 0.3rem;
}

.admin-version-block h4 {
  margin: 0;
  font-size: 0.82rem;
  color: #204972;
}

.admin-version-block pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.74rem;
  line-height: 1.35;
  color: #1f3754;
}

.admin-json-editor {
  width: 100%;
  min-height: 360px;
  font-family: "Consolas", "Menlo", "BIZ UDGothic", monospace;
  font-size: 0.88rem;
  line-height: 1.5;
  border: 1px solid #c9d8ec;
  border-radius: 10px;
  background: #fbfdff;
}

.admin-mode-json-report {
  border: 1px solid #d9e7f6;
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.52rem 0.58rem;
  display: grid;
  gap: 0.3rem;
}

.admin-mode-json-report.hidden {
  display: none;
}

.admin-mode-json-report h4 {
  margin: 0;
  font-size: 0.9rem;
  color: #163d68;
}

.admin-mode-json-report ul {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.2rem;
}

.admin-mode-json-diff-wrap {
  border-top: 1px solid #d9e7f6;
  padding-top: 0.42rem;
  display: grid;
  gap: 0.35rem;
}

.admin-mode-json-diff-wrap h5 {
  margin: 0;
  font-size: 0.84rem;
  color: #20486f;
}

.admin-mode-json-diff-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.42rem;
}

.admin-mode-json-diff-group {
  border: 1px solid #d9e7f6;
  border-radius: 9px;
  background: #fff;
  padding: 0.42rem;
  display: grid;
  gap: 0.3rem;
}

.admin-mode-json-diff-group h5 {
  margin: 0;
  font-size: 0.8rem;
  color: #1c4267;
}

.admin-mode-json-diff-list {
  display: grid;
  gap: 0.34rem;
  max-height: 420px;
  overflow: auto;
}

.admin-mode-json-diff-item {
  border: 1px solid #dfeaf8;
  border-radius: 8px;
  background: #fbfdff;
  padding: 0.34rem;
  display: grid;
  gap: 0.25rem;
}

.admin-mode-json-diff-item header {
  display: flex;
  justify-content: space-between;
  gap: 0.34rem;
  align-items: center;
}

.admin-mode-json-diff-item header strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 0.79rem;
  color: #163d67;
}

.admin-mode-json-diff-meta {
  display: inline-flex;
  gap: 0.22rem;
  align-items: center;
  font-size: 0.73rem;
}

.admin-mode-json-diff-meta code {
  max-width: 100%;
  overflow-wrap: anywhere;
}

.admin-mode-json-diff-rows {
  display: grid;
  gap: 0.24rem;
}

.admin-mode-json-diff-row {
  display: grid;
  grid-template-columns: minmax(56px, 80px) minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.24rem;
  align-items: start;
}

.admin-mode-json-diff-row code {
  border: 1px solid #dde9f8;
  border-radius: 6px;
  background: #fff;
  padding: 0.2rem 0.28rem;
  font-size: 0.7rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.admin-mode-json-report li {
  font-size: 0.84rem;
  color: #1c436e;
}

.admin-question-table-wrap table {
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.admin-question-table-wrap th,
.admin-question-table-wrap td {
  border-right: 1px solid var(--line);
}

.admin-question-table-wrap th:last-child,
.admin-question-table-wrap td:last-child {
  border-right: none;
}

.admin-question-table-wrap th:nth-child(1),
.admin-question-table-wrap td:nth-child(1),
.admin-question-table-wrap th:nth-child(3),
.admin-question-table-wrap td:nth-child(3),
.admin-question-table-wrap th:nth-child(7),
.admin-question-table-wrap td:nth-child(7),
.admin-question-table-wrap th:nth-child(12),
.admin-question-table-wrap td:nth-child(12),
.admin-question-table-wrap th:nth-child(13),
.admin-question-table-wrap td:nth-child(13) {
  border-right-width: 2px;
  border-right-color: #c3d4ec;
}

.admin-question-table-wrap tbody tr:nth-child(even) td {
  background: #fcfdff;
}

.admin-question-table-wrap tbody tr:hover td {
  background: #f3f8ff;
}

.admin-mode-head {
  text-align: center;
}

.admin-mode-cell {
  text-align: center;
}

.admin-mode-toggle {
  width: 1rem;
  height: 1rem;
  accent-color: #1f7fd0;
}

.admin-tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.45rem;
}

.admin-tab {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f7fbff;
  color: #153055;
  padding: 0.58rem 0.84rem;
  width: 100%;
  text-align: left;
}

.admin-tab.active {
  background: #1f7fd0;
  color: #fff;
  border-color: #1f7fd0;
}

.admin-user-filters {
  margin-top: 0.45rem;
  align-items: end;
}

.admin-display-settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.38rem 0.62rem;
  margin: 0.45rem 0 0.55rem;
}

.admin-filter-field {
  display: grid;
  gap: 0.2rem;
  min-width: 140px;
  color: var(--muted);
  font-size: 0.82rem;
}

.admin-filter-field select {
  min-width: 140px;
  width: auto;
}

.admin-filter-field input {
  min-width: 220px;
}

.admin-dm-filters {
  margin-bottom: 0.45rem;
  align-items: end;
}

.admin-bulk-preview {
  margin-top: 0.45rem;
  border: 1px solid #d8e5f6;
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.56rem 0.6rem;
  display: grid;
  gap: 0.32rem;
}

.admin-bulk-preview h3 {
  margin: 0;
  font-size: 0.9rem;
  color: #123f6d;
}

.admin-bulk-preview ul {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.2rem;
}

.admin-bulk-preview li {
  font-size: 0.84rem;
  color: #1b436f;
}

.admin-user-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.6fr);
  gap: 0.6rem;
}

.admin-overview-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.5rem;
}

.admin-overview-kpi-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.55rem;
  display: grid;
  gap: 0.22rem;
}

.admin-overview-kpi-label {
  font-size: 0.78rem;
  color: var(--muted);
}

.admin-overview-kpi-value {
  font-size: 1.22rem;
  font-weight: 800;
  color: #15365f;
}

.admin-overview-kpi-hint {
  font-size: 0.76rem;
  color: #375980;
}

.admin-overview-grid {
  margin-top: 0.6rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

.admin-overview-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.55rem;
  display: grid;
  gap: 0.4rem;
}

.admin-overview-panel-wide {
  grid-column: 1 / -1;
}

.admin-overview-list {
  display: grid;
  gap: 0.38rem;
  max-height: 320px;
  overflow: auto;
}

.admin-ops-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.admin-ops-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.55rem;
  display: grid;
  gap: 0.42rem;
}

.admin-ops-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f9fbff;
  padding: 0.45rem 0.52rem;
  display: grid;
  gap: 0.24rem;
}

.admin-ops-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.48rem;
}

.admin-ops-item-body {
  white-space: pre-wrap;
  font-size: 0.83rem;
  color: #1f3e63;
}

.admin-overview-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f9fbff;
  padding: 0.42rem 0.5rem;
  display: grid;
  gap: 0.18rem;
}

.admin-overview-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.admin-overview-item-body {
  font-size: 0.86rem;
  color: #193556;
}

.admin-overview-item-foot {
  font-size: 0.74rem;
}

.chip.severity-critical,
.chip.severity-high {
  background: #ffe3e3;
  color: #8a1111;
}

.chip.severity-medium {
  background: #fff3df;
  color: #8b5a11;
}

.chip.severity-low,
.chip.severity-info {
  background: #e8f1ff;
  color: #1f4f87;
}

.admin-workspace {
  display: grid;
  grid-template-columns: minmax(200px, 250px) minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
}

.admin-content-stack {
  display: grid;
  gap: 0.65rem;
  min-width: 0;
}

#adminTabsCard {
  position: sticky;
  top: 0.65rem;
  align-self: start;
}

.admin-dm-layout {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(0, 1.7fr);
  gap: 0.6rem;
}

.admin-dm-list-wrap,
.admin-dm-detail {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.55rem;
}

.admin-dm-thread-list {
  display: grid;
  gap: 0.4rem;
  max-height: 620px;
  overflow: auto;
}

.admin-dm-thread-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: #153154;
  text-align: left;
  display: grid;
  gap: 0.24rem;
  padding: 0.5rem 0.56rem;
}

.admin-dm-thread-item:hover {
  background: #f4f9ff;
}

.admin-dm-thread-item.active {
  border-color: #2a83d6;
  background: #ebf4ff;
}

.admin-dm-messages {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  overflow: auto;
  max-height: 460px;
  display: grid;
  gap: 0.34rem;
  padding: 0.46rem;
}

.admin-dm-message-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.4rem;
  display: grid;
  gap: 0.16rem;
}

.admin-user-list-wrap,
.admin-user-detail {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.55rem;
}

.admin-user-list {
  display: grid;
  gap: 0.42rem;
  max-height: 620px;
  overflow: auto;
}

.admin-risk-panel {
  margin-top: 0.55rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f7fbff;
  padding: 0.5rem;
  display: grid;
  gap: 0.45rem;
}

.admin-user-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: #173154;
  text-align: left;
  display: grid;
  gap: 0.25rem;
  padding: 0.5rem 0.58rem;
}

.admin-user-item:hover {
  background: #f4f9ff;
}

.admin-user-item.active {
  border-color: #2a83d6;
  background: #ebf4ff;
}

.admin-user-item-head {
  display: flex;
  justify-content: space-between;
  gap: 0.4rem;
  align-items: center;
}

.admin-user-item-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.risk-chip {
  border-radius: 999px;
  padding: 0.1rem 0.45rem;
  font-size: 0.72rem;
  border: 1px solid transparent;
}

.risk-chip.risk-high {
  background: #ffe2e2;
  color: #8f0f0f;
  border-color: #f2b4b4;
}

.risk-chip.risk-medium {
  background: #fff3df;
  color: #7f4b0e;
  border-color: #f0d29f;
}

.risk-chip.risk-low {
  background: #ecf5ff;
  color: #20558c;
  border-color: #bcd5f3;
}

.risk-chip.risk-none {
  background: #eef2f7;
  color: #465d79;
  border-color: #ced8e5;
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-weight: 600;
}

.check-row input {
  width: auto;
  margin-top: 0.2rem;
}

.admin-user-meta {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbff;
  padding: 0.52rem;
}

.admin-user-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, 1fr));
  gap: 0.45rem;
}

.admin-user-meta-grid div {
  display: grid;
  gap: 0.2rem;
}

.admin-user-meta-grid strong {
  word-break: break-all;
}

.admin-user-profile-actions {
  margin-top: 0.25rem;
}

.admin-analytics {
  display: grid;
  gap: 0.5rem;
}

.admin-ranking-item {
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.admin-ranking-item span {
  font-size: 0.83rem;
  color: #233d60;
}

.admin-access-table {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  overflow: auto;
  max-height: 360px;
}

.admin-access-row {
  display: grid;
  grid-template-columns: 140px 74px minmax(220px, 1fr) 110px 120px;
  gap: 0.38rem;
  padding: 0.38rem 0.46rem;
  border-bottom: 1px solid rgba(16, 27, 52, 0.08);
  font-size: 0.82rem;
  align-items: center;
}

.admin-access-path {
  display: grid;
  gap: 0.12rem;
}

.admin-access-path strong {
  font-size: 0.82rem;
  line-height: 1.25;
}

.admin-access-path small {
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.2;
}

.admin-access-head {
  position: sticky;
  top: 0;
  background: #f6f9ff;
  z-index: 1;
  font-weight: 700;
}

.admin-audit-list {
  display: grid;
  gap: 0.45rem;
  max-height: 640px;
  overflow: auto;
}

.admin-audit-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.5rem 0.56rem;
  display: grid;
  gap: 0.28rem;
}

.admin-audit-head {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.admin-audit-summary {
  font-size: 0.86rem;
  color: #1a355a;
}

.admin-audit-meta {
  font-size: 0.79rem;
  color: var(--muted);
  line-height: 1.3;
}

.admin-audit-details {
  margin: 0;
  border: 1px solid rgba(16, 27, 52, 0.1);
  border-radius: 8px;
  padding: 0.42rem;
  background: #f8fbff;
  font-size: 0.74rem;
  line-height: 1.35;
  white-space: pre-wrap;
  word-break: break-word;
}

.admin-moderation-list {
  display: grid;
  gap: 0.46rem;
  max-height: 680px;
  overflow: auto;
}

.admin-moderation-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.52rem 0.56rem;
  display: grid;
  gap: 0.28rem;
}

.admin-moderation-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.48rem;
  flex-wrap: wrap;
}

.admin-moderation-meta {
  color: var(--muted);
  font-size: 0.78rem;
}

.admin-moderation-thread {
  font-weight: 700;
  color: #1a3556;
  font-size: 0.88rem;
  line-height: 1.35;
}

.admin-moderation-body {
  font-size: 0.82rem;
  color: #2b4566;
  line-height: 1.4;
}

.admin-moderation-author {
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  color: #214466;
  font-size: 0.8rem;
}

.admin-moderation-reason {
  font-size: 0.77rem;
  color: #725002;
  border: 1px dashed #e2cc97;
  border-radius: 8px;
  background: #fff7e7;
  padding: 0.3rem 0.42rem;
}

.admin-pagination {
  margin-top: 0.5rem;
  justify-content: flex-end;
  align-items: center;
}

.nav-btn {
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: #18304f;
  padding: 0.58rem 0.45rem;
  font-size: 0.94rem;
  min-height: 42px;
  line-height: 1.25;
  white-space: normal;
  overflow-wrap: anywhere;
  text-align: left;
  width: 100%;
}

.nav-btn.active {
  background: linear-gradient(140deg, #1f7fd0, #1f5cc5);
  color: #fff;
  border-color: transparent;
}

.shell.side-nav-collapsed .nav-btn {
  padding-inline: 0.24rem;
  font-size: 0;
  justify-content: center;
  text-align: center;
}

.shell.side-nav-collapsed .nav-btn::before {
  content: attr(data-short);
  font-size: 0.9rem;
  font-weight: 700;
}

html.font-size-lg .top-nav,
html.font-size-xl .top-nav {
  grid-auto-rows: minmax(2.9rem, auto);
}

html.font-size-lg .inline-actions,
html.font-size-xl .inline-actions {
  flex-wrap: wrap;
}

html.font-size-xl .topbar {
  align-items: stretch;
}

html.font-size-xl .header-actions {
  justify-items: stretch;
}

html.font-size-xl .side-nav-toggle {
  min-height: 42px;
}

html.font-size-xl .settings-nav {
  grid-template-columns: repeat(2, minmax(110px, 1fr));
}

html.font-size-xl .auth-badge {
  font-size: 0.8rem;
}

@media (min-width: 1440px) {
  .shell {
    --side-nav-width: 244px;
    --side-nav-left: 0.9rem;
    width: min(1560px, calc(100% - 2.4rem));
    gap: 0.95rem;
  }

  .shell.admin-desktop-wide {
    width: min(1980px, calc(100% - 2.4rem));
  }

  .topbar {
    padding: 1.08rem 1.3rem;
  }

  .card {
    padding: 1.12rem 1.24rem;
    gap: 0.76rem;
  }

  .quiz-layout {
    grid-template-columns: 250px minmax(0, 1fr);
  }

  .board-x-layout {
    grid-template-columns: 250px minmax(0, 1fr) 390px;
  }

  .mode-grid {
    grid-template-columns: repeat(5, minmax(130px, 1fr));
  }

  .choice-button {
    min-height: 66px;
  }
}

@media (max-width: 1200px) {
  .shell {
    --side-nav-width: 210px;
    --side-nav-left: 0.56rem;
    width: min(1120px, calc(100% - 1.1rem));
  }

  .card {
    padding: 0.92rem 0.94rem;
  }

  .side-nav-toggle {
    left: calc(var(--side-nav-left) + 52px);
  }

  .top-nav {
    left: var(--side-nav-left);
  }

  .home-grid {
    grid-template-columns: repeat(2, minmax(160px, 1fr));
  }

  .mode-grid {
    grid-template-columns: repeat(3, minmax(110px, 1fr));
  }

  .quiz-series-grid {
    grid-template-columns: repeat(2, minmax(160px, 1fr));
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .stats-panel-grid {
    grid-template-columns: 1fr;
  }

  .stats-layout.with-ranking {
    grid-template-columns: 1fr;
  }

  .admin-user-layout {
    grid-template-columns: 1fr;
  }

  .admin-workspace {
    grid-template-columns: 1fr;
  }

  .admin-question-layout {
    grid-template-columns: 1fr;
  }

  .admin-feature-grid {
    grid-template-columns: 1fr;
  }

  .admin-feature-threshold-grid {
    grid-template-columns: 1fr;
  }

  .admin-ops-grid {
    grid-template-columns: 1fr;
  }

  .admin-question-sidebar {
    position: static;
  }

  .admin-mode-filter-list {
    grid-template-columns: repeat(3, minmax(110px, 1fr));
  }

  .admin-version-diff-grid {
    grid-template-columns: 1fr;
  }

  .admin-diag-grid {
    grid-template-columns: 1fr;
  }

  .admin-choice-feedback-grid {
    grid-template-columns: 1fr;
  }

  .admin-suggestion-row {
    grid-template-columns: 1fr;
    gap: 0.18rem;
    align-items: start;
  }

  .admin-suggestion-row .check-row {
    justify-content: flex-start;
  }

  .admin-mode-json-diff-groups {
    grid-template-columns: 1fr;
  }

  #adminTabsCard {
    position: static;
  }

  .admin-tabs {
    grid-template-columns: repeat(4, minmax(120px, 1fr));
  }

  .admin-tab {
    text-align: center;
  }

  .settings-layout {
    grid-template-columns: 1fr;
  }

  .settings-sidebar {
    position: static;
  }

  .settings-nav {
    grid-template-columns: repeat(3, minmax(110px, 1fr));
    gap: 0.34rem;
  }

  .settings-nav-btn {
    text-align: center;
    padding: 0.52rem 0.54rem;
  }

  .board-x-layout {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .quiz-layout {
    grid-template-columns: 1fr;
  }

  .quiz-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
  }

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

  .quiz-side-btn {
    text-align: center;
  }

  .board-right-card {
    grid-column: 1 / -1;
    position: static;
    max-height: none;
  }

  .board-search-grid {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
  }

  .dm-layout {
    grid-template-columns: 1fr;
  }

  .admin-dm-layout {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 1024px) {
  .shell {
    width: min(100%, calc(100% - 0.95rem));
    gap: 0.56rem;
  }

  .topbar {
    padding: 0.78rem 0.84rem;
  }

  .floating-logo {
    width: 42px;
    height: 42px;
  }

  .floating-logo img {
    width: 30px;
    height: 30px;
  }

  .card {
    padding: 0.84rem 0.86rem;
  }

  .nav-btn {
    min-height: 45px;
    padding: 0.6rem 0.42rem;
  }
}

@media (max-width: 840px) {
  .shell {
    width: min(100%, calc(100% - 0.85rem));
    gap: 0.56rem;
    padding-left: 0;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem 0.84rem;
    top: 0.36rem;
  }

  .header-actions {
    min-width: 0;
    max-width: 100%;
    justify-items: start;
  }

  .accessibility-controls {
    justify-content: flex-start;
  }

  .font-size-switcher {
    width: 100%;
    justify-content: space-between;
  }

  .brand-logo {
    width: 48px;
    height: 48px;
  }

  .auth-badge {
    left: 0.56rem;
    bottom: calc(1.48rem + env(safe-area-inset-bottom, 0px));
    max-width: min(84vw, 300px);
    font-size: 0.68rem;
  }

  .site-name-fixed {
    left: 0.56rem;
    bottom: calc(0.24rem + env(safe-area-inset-bottom, 0px));
    font-size: 0.6rem;
  }

  .floating-logo {
    display: none;
  }

  .section-head,
  .inline-actions {
    flex-wrap: wrap;
  }

  .side-nav-toggle {
    display: none;
  }

  .top-nav {
    position: static;
    width: 100%;
    max-height: none;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: minmax(42px, auto);
    gap: 0.3rem;
    padding: 0.3rem;
  }

  .top-nav.has-admin {
    grid-template-columns: repeat(2, 1fr);
  }

  .shell.side-nav-collapsed .nav-btn {
    font-size: 0.95rem;
    padding: 0.62rem 0.38rem;
    text-align: center;
  }

  .shell.side-nav-collapsed .nav-btn::before {
    content: "";
  }

  .nav-btn {
    min-height: 48px;
    font-size: 1rem;
    padding: 0.64rem 0.42rem;
  }

  .card {
    padding: 0.88rem 0.84rem;
    gap: 0.6rem;
  }

  .view-stage {
    min-height: auto;
  }

  .inline-actions button,
  button,
  input,
  textarea,
  select {
    font-size: 16px;
  }

  .mode-grid {
    grid-template-columns: repeat(2, minmax(110px, 1fr));
  }

  .quiz-series-grid {
    grid-template-columns: 1fr;
  }

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

  .quiz-side-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .board-x-layout {
    grid-template-columns: 1fr;
  }

  .board-rail-card,
  .board-right-card {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .board-subtabs-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .board-subtabs-rail .board-subtab {
    justify-content: center;
    text-align: center;
  }

  .settings-nav {
    grid-template-columns: repeat(2, minmax(110px, 1fr));
  }

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

  .board-search-grid {
    grid-template-columns: 1fr;
  }

  .admin-tabs {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .admin-mode-filter-list {
    grid-template-columns: repeat(2, minmax(110px, 1fr));
  }

  .admin-overview-grid {
    grid-template-columns: 1fr;
  }

  .profile-view-head {
    flex-wrap: wrap;
    align-items: center;
  }

  .profile-activity-tabs {
    grid-template-columns: 1fr;
  }

  .profile-view-avatar-slot {
    margin-top: -22px;
  }

  .profile-view-avatar-slot .avatar-badge {
    width: 82px;
    height: 82px;
  }

  .thread-title {
    font-size: 1.02rem;
  }

  .thread-preview {
    font-size: 0.9rem;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(100%, calc(100% - 0.6rem));
    gap: 0.45rem;
  }

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

  .mode-card {
    min-height: 86px;
  }

  .brand-link {
    gap: 0.52rem;
  }

  .brand-logo {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }

  .auth-badge {
    left: 0.44rem;
    bottom: calc(1.34rem + env(safe-area-inset-bottom, 0px));
    max-width: min(90vw, 280px);
    font-size: 0.64rem;
    padding: 0.24rem 0.46rem;
  }

  .site-name-fixed {
    left: 0.44rem;
  }

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

  .quiz-side-btn {
    min-height: 44px;
  }

  .quiz-progress {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .quiz-mode-options {
    align-items: stretch;
    justify-content: flex-start;
  }

  .quiz-timer-select {
    width: 100%;
    min-width: 0;
  }

  #quizQuestionText {
    font-size: clamp(1.24rem, 4.8vw, 1.36rem);
  }

  .choice-button {
    font-size: 1.1rem;
    padding: 0.98rem 0.9rem;
    min-height: 66px;
  }

  .reorder-token {
    min-height: 46px;
    font-size: 1.02rem;
  }

  .quiz-question-image {
    max-height: min(42vh, 300px);
  }

  .modal {
    padding: 0.35rem;
  }

  .modal-card {
    width: calc(100vw - 0.7rem);
    max-height: calc(100vh - 0.7rem);
    padding: 0.72rem 0.68rem;
  }

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

  .stats-inline-grid {
    grid-template-columns: 1fr;
  }

  .dist-row {
    grid-template-columns: 70px minmax(0, 1fr) 84px;
    gap: 0.3rem;
  }

  .heatmap-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .admin-user-meta-grid {
    grid-template-columns: 1fr;
  }

  .admin-access-row {
    grid-template-columns: 110px 58px minmax(180px, 1fr) 88px 95px;
    font-size: 0.76rem;
  }

  .follow-user-item {
    flex-direction: column;
    align-items: stretch;
  }

  .follow-user-item .inline-actions {
    justify-content: flex-end;
  }

  .hashtag-manage-head {
    flex-direction: column;
    align-items: stretch;
  }

  .hashtag-manage-actions {
    justify-content: flex-start;
  }

  .board-subtabs {
    gap: 0.3rem;
  }

  .board-subtabs-rail {
    grid-template-columns: 1fr;
  }

  .admin-tabs {
    grid-template-columns: 1fr;
  }

  .board-subtab {
    min-height: 42px;
    padding: 0.48rem 0.72rem;
  }

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

  .admin-mode-filter-list {
    grid-template-columns: 1fr;
  }

  .admin-overview-kpi-grid {
    grid-template-columns: 1fr;
  }

  .settings-nav-btn {
    min-height: 44px;
  }

  .profile-avatar-preview-wrap {
    align-items: flex-start;
    flex-direction: column;
  }

  .profile-view-avatar-slot {
    margin-top: -18px;
    margin-left: 0;
  }

  .profile-view-avatar-slot .avatar-badge {
    width: 72px;
    height: 72px;
  }
}

@media (max-width: 480px) {
  .shell {
    width: min(100%, calc(100% - 0.45rem));
  }

  .topbar {
    padding: 0.72rem 0.74rem;
  }

  .legal-section {
    padding: 0.64rem 0.68rem;
  }

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

  .top-nav.has-admin {
    grid-template-columns: 1fr;
  }

  .nav-btn {
    min-height: 50px;
  }

  .choice-button {
    font-size: 1.06rem;
  }
}