:root,
[data-theme="light"] {
  --bg: #f7f4ed;
  --surface: #fffef9;
  --text: #1a2e24;
  --muted: #5a6f64;
  --accent: #2d6a4f;
  --accent-light: #40916c;
  --accent-bg: #d8f3dc;
  --border: #c9d4c5;
  --error-bg: #fde8e8;
  --error-text: #9b2226;
  --danger: #9b2226;
  --danger-bg: #fde8e8;
  --urgent: #e07a5f;
  --shadow: 0 2px 12px rgba(26, 46, 36, 0.08);
  --radius: 12px;
  --touch: 44px;
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --body-gradient-1: radial-gradient(circle at 15% 0%, #e8f5e9 0%, transparent 45%);
  --body-gradient-2: radial-gradient(circle at 85% 90%, #fff3e0 0%, transparent 40%);
}

[data-theme="dark"] {
  --bg: #0f172a;
  --surface: #1e293b;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #52b788;
  --accent-light: #74c69d;
  --accent-bg: #1b4332;
  --border: #334155;
  --error-bg: #450a0a;
  --error-text: #fca5a5;
  --danger: #fca5a5;
  --danger-bg: #450a0a;
  --urgent: #fb923c;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
  --body-gradient-1: radial-gradient(circle at 15% 0%, #1e3a5f 0%, transparent 45%);
  --body-gradient-2: radial-gradient(circle at 85% 90%, #312e81 0%, transparent 40%);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  background-image: var(--body-gradient-1), var(--body-gradient-2);
  display: flex;
  flex-direction: column;
}

.site-header {
  background: var(--surface);
  border-bottom: 2px solid var(--accent);
  box-shadow: var(--shadow);
  padding: 1rem 1rem 0.5rem;
}

.header-inner {
  margin-bottom: 0.75rem;
}

.site-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.site-tagline {
  margin: 0.15rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.tagline-link {
  margin: 0 0 0 0.35rem;
  padding: 0.25rem 0;
  border: none;
  background: none;
  color: var(--accent);
  font: inherit;
  font-size: inherit;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
  min-height: var(--touch);
  vertical-align: baseline;
}

.tagline-link:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.screen-nav {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 0.25rem;
}

.screen-nav::-webkit-scrollbar {
  display: none;
}

.nav-btn {
  flex: 0 0 auto;
  min-height: var(--touch);
  padding: 0.45rem 0.85rem;
  border: 2px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  color: var(--muted);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.nav-btn .nav-icon {
  display: none;
}

.nav-btn .nav-label {
  display: inline;
}

.nav-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.nav-btn:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.main {
  flex: 1;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.panel-title {
  margin: 0 0 0.25rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
}

.panel-desc {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.add-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.add-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.add-tab {
  min-height: 36px;
  padding: 0.35rem 0.75rem;
  border: 2px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--muted);
}

.add-tab.is-active {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
}

.add-view {
  margin-bottom: 0.5rem;
}

.bulk-textarea {
  display: block;
  width: 100%;
  min-height: 9rem;
  margin-top: 0.35rem;
  resize: vertical;
  line-height: 1.45;
  font-family: inherit;
}

.bulk-textarea--meta {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.875rem;
}

.bulk-edit-meta-toggle {
  margin: 0.35rem 0 0;
}

.bulk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.add-view .help-text {
  margin: 0.5rem 0 0;
}

.text-input {
  flex: 1;
  min-height: var(--touch);
  padding: 0.5rem 0.75rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  color: var(--text);
  background: var(--surface);
}

.text-input::placeholder {
  color: var(--muted);
  opacity: 1;
}

.text-input:focus {
  outline: none;
  border-color: var(--accent-light);
}

.inline-error {
  margin: 0 0 0.75rem;
  padding: 0.5rem 0.75rem;
  background: var(--error-bg);
  color: var(--error-text);
  border-radius: 8px;
  font-size: 0.9rem;
}

.empty-state {
  margin: 0.5rem 0;
  color: var(--muted);
}

.empty-state.all-done {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.task-list {
  list-style: none;
  margin: 0.65rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.add-sort-controls {
  display: flex;
  gap: 0.35rem;
  margin-top: 1rem;
}

.add-sort-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch);
  padding: 0.35rem 0.75rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  touch-action: manipulation;
  white-space: nowrap;
}

.add-sort-btn.is-active {
  border-color: var(--accent);
  background: var(--accent-bg);
  color: var(--text);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
}

.add-sort-btn:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.task-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
}

.task-card {
  padding: 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  border-top: 2px solid var(--border);
}

.task-row:first-child {
  border-top: none;
}

.task-card:first-child {
  border-top: 2px solid var(--border);
}

.task-name {
  flex: 1 1 140px;
  font-weight: 600;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch);
  padding: 0.5rem 1rem;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  touch-action: manipulation;
}

.btn-sm {
  min-height: 36px;
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
}

.btn-primary {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--accent) 88%, white),
    var(--accent)
  );
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-light);
}

.btn-secondary {
  background: var(--bg);
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
}

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger);
}

.btn-did-it {
  position: relative;
  background: var(--bg);
  color: var(--accent);
  border: 1px solid var(--accent);
  overflow: hidden;
  transition:
    background 0.45s ease,
    color 0.45s ease,
    border-color 0.45s ease,
    transform 0.2s ease;
}

[data-theme='dark'] .btn-did-it {
  background: transparent;
}

.btn-did-it:hover {
  background: color-mix(in srgb, var(--accent) 14%, var(--bg));
}

[data-theme='dark'] .btn-did-it:hover {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
}

.btn-did-it__label {
  transition: opacity 0.3s ease;
}

.btn-did-it--celebrating {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: scale(1.05);
}

.btn-did-it--celebrating .btn-did-it__label {
  opacity: 0;
}

.btn-did-it--celebrating::after {
  content: '✓';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25em;
  font-weight: 700;
  color: #fff;
  opacity: 0;
  animation: did-it-check 0.35s ease forwards;
}

@keyframes did-it-check {
  0% {
    opacity: 0;
    transform: scale(0.75);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn-did-it {
    transition: none;
  }

  .btn-did-it__label {
    transition: none;
  }

  .btn-did-it--celebrating {
    transform: none;
  }

  .btn-did-it--celebrating .btn-did-it__label {
    opacity: 1;
  }

  .btn-did-it--celebrating::after {
    animation: none;
    opacity: 0;
  }
}

.btn:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.banner {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  background: var(--accent-bg);
  border-radius: 8px;
  font-size: 0.9rem;
}

.banner-success {
  background: var(--accent-bg);
}

.rank-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.rank-progress {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.rank-progress-hint {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.compare-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.compare-column {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
}

.compare-actions {
  margin-bottom: 0;
}

.compare-actions .compare-column {
  align-items: center;
}

.compare-actions .ab-btn {
  width: 100%;
  max-width: 8rem;
}

.compare-urgent {
  margin-bottom: 0;
}

.compare-urgent .compare-column {
  align-items: center;
}

.urgent-checkbox {
  justify-content: center;
  width: 100%;
  max-width: 8rem;
  min-height: var(--touch);
  padding: 0.5rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--color-time-wasters, var(--border)) 12%, var(--surface));
}

.urgent-checkbox span {
  font-weight: 600;
}

.compare-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 1rem 0.5rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}

.compare-card--neutral {
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--color-time-wasters, var(--border)) 16%, var(--surface)),
    var(--surface)
  );
  border-color: color-mix(in srgb, var(--color-time-wasters, var(--border)) 40%, var(--border));
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--color-time-wasters, var(--border)) 25%, transparent);
}

.compare-card--importance {
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--color-major-projects, var(--accent-light)) 16%, var(--surface)),
    var(--surface)
  );
  border-color: color-mix(in srgb, var(--color-major-projects, var(--accent-light)) 40%, var(--border));
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--color-major-projects, var(--accent-light)) 25%, transparent);
}

.compare-card--speed {
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--color-fill-ins, var(--accent)) 16%, var(--surface)),
    var(--surface)
  );
  border-color: color-mix(in srgb, var(--color-fill-ins, var(--accent)) 40%, var(--border));
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--color-fill-ins, var(--accent)) 25%, transparent);
}

.compare-card--both {
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--color-quick-wins, var(--accent)) 16%, var(--surface)),
    var(--surface)
  );
  border-color: color-mix(in srgb, var(--color-quick-wins, var(--accent)) 40%, var(--border));
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--color-quick-wins, var(--accent)) 25%, transparent);
}

.compare-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.compare-name {
  font-weight: 700;
  word-break: break-word;
}

.question-block {
  margin-bottom: 1.25rem;
}

.question-title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
}

.ab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ab-btn {
  min-width: 3.5rem;
}

.ab-btn.ab-neutral {
  background: color-mix(in srgb, var(--color-time-wasters, var(--border)) 16%, var(--surface));
  border: 2px solid var(--border);
  color: var(--text);
}

.ab-btn.ab-neutral:hover {
  background: color-mix(in srgb, var(--color-time-wasters, var(--border)) 24%, var(--surface));
}

.ab-btn.ab-selected-importance {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-major-projects) 88%, white),
    var(--color-major-projects)
  );
  border: 2px solid color-mix(in srgb, var(--color-major-projects) 70%, var(--border));
  color: #fff;
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, white 35%, transparent),
    inset 0 -12px 0 color-mix(in srgb, black 8%, transparent);
}

.ab-btn.ab-selected-speed {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-fill-ins) 88%, white),
    var(--color-fill-ins)
  );
  border: 2px solid color-mix(in srgb, var(--color-fill-ins) 70%, var(--border));
  color: #fff;
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, white 35%, transparent),
    inset 0 -12px 0 color-mix(in srgb, black 8%, transparent);
}

.ab-btn.is-selected {
  box-shadow:
    inset 0 0 0 2px color-mix(in srgb, white 55%, transparent),
    inset 0 1px 0 color-mix(in srgb, white 35%, transparent);
}

.ab-btn:disabled:not(.is-selected) {
  opacity: 0.45;
  cursor: not-allowed;
}

.ab-btn.is-selected:disabled {
  cursor: default;
  opacity: 1;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.checkbox-label input {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--urgent);
}

.rank-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.results-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.results-tab {
  min-height: 36px;
  padding: 0.35rem 0.75rem;
  border: 2px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--muted);
}

.results-tab.is-active {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
}

.view-title {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.results-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.results-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0;
  border-top: 1px solid var(--border);
}

.results-row:first-child {
  border-top: none;
}

.results-rank {
  width: 1.5rem;
  font-weight: 700;
  color: var(--muted);
}

.results-name {
  flex: 1;
  font-weight: 600;
}

.results-elo {
  font-size: 0.85rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.results-urgent {
  flex-shrink: 0;
}

.plot-detail-urgent {
  align-items: center;
}

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
}

.add-bulk-actions {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.theme-colors-fieldset .btn {
  margin-top: 0.75rem;
}

.badge-urgent {
  background: color-mix(in srgb, var(--urgent) 20%, transparent);
  color: var(--urgent);
}

.badge-completed {
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  color: var(--accent);
}

.badge-deleted {
  background: color-mix(in srgb, var(--danger) 20%, transparent);
  color: var(--danger);
}

.hall-row-deleted .hall-name {
  opacity: 0.75;
}

.plot-canvas {
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  min-height: 320px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #ffffff;
  touch-action: pan-y;
}

[data-theme='dark'] .plot-canvas {
  background: #000000;
}

.plot-wrap {
  position: relative;
}

.plot-detail {
  margin-top: 0.75rem;
  padding: 1rem;
  background: var(--surface);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.plot-detail-name {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
}

.plot-detail-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin: 0 0 0.75rem;
  padding: 0;
}

.plot-detail-stats div {
  display: flex;
  gap: 0.35rem;
  align-items: baseline;
}

.plot-detail-stats dt {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.plot-detail-stats dd {
  margin: 0;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.plot-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.suggestion-card {
  margin: 1rem 0;
  padding: 1.25rem;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--color-major-projects, var(--accent-light)) 18%, var(--surface)) 0%,
    var(--surface) 45%,
    color-mix(in srgb, var(--color-fill-ins, var(--accent)) 16%, var(--surface)) 100%
  );
  border: 2px solid color-mix(in srgb, var(--color-quick-wins, var(--accent)) 40%, var(--border));
  border-radius: var(--radius);
  text-align: center;
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--color-quick-wins, var(--accent)) 20%, transparent);
}

.suggestion-card--urgent {
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--color-quick-wins, var(--accent)) 20%, transparent),
    inset 0 -2px 0 color-mix(in srgb, var(--color-urgent-theme, var(--urgent)) 25%, transparent);
}

.suggestion-label {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.suggestion-urgent-badge {
  display: inline-block;
  margin-top: 0.35rem;
}

.suggestion-name {
  margin: 0.35rem 0;
  font-size: 1.35rem;
  font-weight: 800;
  color: color-mix(in srgb, var(--color-quick-wins, var(--accent)) 72%, var(--text));
}

.suggestion-reason {
  margin: 0;
  color: var(--muted);
}

.suggestion-card--urgent .suggestion-reason {
  color: color-mix(in srgb, var(--color-urgent-theme, var(--urgent)) 55%, var(--muted));
}

.suggestion-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.suggestion-skipped {
  margin: 0.75rem 0 0;
}

.achievements {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.achievements-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.achievements-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.achievements-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.achievements-item {
  padding: 0.2rem 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.achievements-item--1 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
}

.achievements-item--2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
}

.achievements-item--3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--touch);
  cursor: pointer;
}

.toggle-label {
  font-weight: 600;
}

.toggle-row input {
  width: 1.35rem;
  height: 1.35rem;
  accent-color: var(--accent);
}

.help-text {
  margin: 0.35rem 0 1.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.field-label {
  font-weight: 600;
  padding: 0 0.25rem;
}

.theme-fieldset {
  border: none;
  margin: 0 0 0.35rem;
  padding: 0;
}

.theme-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 0.5rem;
}

.radio-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: var(--touch);
  cursor: pointer;
}

.radio-label input {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
}

.theme-colors-fieldset {
  border: none;
  margin: 0 0 0.35rem;
  padding: 0;
}

.color-grid {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.color-grid-head,
.color-row {
  display: grid;
  grid-template-columns: minmax(7rem, 1fr) 1fr 1fr;
  gap: 0.5rem;
  align-items: center;
}

.color-grid-head {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.color-role {
  font-weight: 600;
  font-size: 0.9rem;
}

.quadrant-labels-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.quadrant-label-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
}

.quadrant-label-row .color-role {
  min-width: 7rem;
}

.quadrant-label-row .text-input {
  flex: 1 1 12rem;
  min-width: 0;
}

.color-input-wrap {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.color-input-wrap input[type='color'] {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.color-text {
  flex: 1;
  min-width: 0;
  min-height: 36px;
  padding: 0.35rem 0.5rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font: inherit;
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  background: var(--surface);
  color: var(--text);
}

.config-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.hall-bulk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.hall-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hall-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--border);
}

.hall-row:first-child {
  border-top: none;
}

.hall-row-main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  flex: 1 1 180px;
}

.hall-name {
  font-weight: 700;
}

.hall-meta,
.hall-time {
  font-size: 0.85rem;
  color: var(--muted);
}

.hall-time {
  font-variant-numeric: tabular-nums;
}

.hall-row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.site-footer {
  padding: 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.footer-link {
  margin: 0 0 0 0.35rem;
  padding: 0;
  border: none;
  background: none;
  color: var(--accent);
  font: inherit;
  font-size: inherit;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}

.footer-link:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.about-back {
  margin: 0 0 0.75rem;
}

.about-lead {
  margin: 0;
  color: var(--text);
}

.about-subhead {
  margin: 1.25rem 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}

.about-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text);
}

.about-list li + li {
  margin-top: 0.35rem;
}

.about-steps-note {
  margin-top: 0.75rem;
}

.snackbar {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  max-width: calc(100% - 2rem);
  padding: 0.75rem 1.25rem;
  background: var(--text);
  color: #fff;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  z-index: 100;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Narrow viewports — compact nav icons (QW-24) */
@media (max-width: 420px) {
  .nav-btn {
    padding: 0.45rem 0.65rem;
    font-size: 1.1rem;
  }

  .nav-btn .nav-label {
    display: none;
  }

  .nav-btn .nav-icon {
    display: inline;
    filter: grayscale(1);
    opacity: 0.72;
  }

  .nav-btn.is-active .nav-icon {
    filter: grayscale(1) brightness(50%);
    opacity: 1;
  }

  [data-theme="dark"] .nav-btn .nav-icon {
    opacity: 0.88;
  }

  .add-form .text-input,
  .add-form #task-name {
    flex: 1 1 100%;
    width: 100%;
  }

  .add-form #add-task-btn {
    flex: 1 1 100%;
    width: 100%;
  }
}

/* Narrow viewports — Config colour grid (QW-25); nav uses 420px (QW-24) */
@media (max-width: 480px) {
  .color-grid-head {
    display: none;
  }

  .color-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px solid var(--border);
  }

  .color-row:last-child {
    padding-bottom: 0;
    border-bottom: none;
  }

  .color-input-wrap::before {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.2rem;
  }

  .color-row .color-input-wrap:first-of-type::before {
    content: 'Light';
  }

  .color-row .color-input-wrap:last-of-type::before {
    content: 'Dark';
  }

  .plot-canvas {
    aspect-ratio: 4 / 5;
    min-height: 320px;
  }
}

@media (min-width: 480px) {
  .compare-pair {
    gap: 1rem;
  }

  .suggestion-actions .btn {
    flex: 1;
  }

  .plot-canvas {
    aspect-ratio: 4 / 3;
    min-height: 400px;
  }
}

/* Results — use full width; plot fills remaining viewport height */
.main.main--results {
  max-width: min(72rem, 100%);
}

.main.main--results-plot .plot-canvas {
  aspect-ratio: auto;
  width: 100%;
  min-height: max(280px, calc(100dvh - 17rem));
  height: max(280px, calc(100dvh - 17rem));
}

@media (max-width: 480px) {
  .main.main--results-plot .plot-canvas {
    min-height: max(280px, calc(100dvh - 15rem));
    height: max(280px, calc(100dvh - 15rem));
  }
}