/* Light theme */
:root {
  --bg: #ffffff;
  --card: #f7f7f8;
  --input: #f0f0f2;
  --accent: #e94560;
  --text: #1a1a1a;
  --label: #2563eb;
  --border: #d1d5db;
  --green-bg: #ecfdf5;
  --green-border: #a7f3d0;
  --green-text: #16a34a;
  --muted: #6b7280;
  --muted-dim: #9ca3af;
  --warning: #f59e0b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 17px;
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--label);
  text-decoration: none;
}

a:hover {
  color: var(--accent);
}

/* ---- Instruction Banner ---- */
.instruction-banner {
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 20px;
  margin-bottom: 16px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
}
.instruction-banner strong {
  color: var(--text);
}
.scoring-guide-inline {
  margin-top: 8px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 15px;
  color: #2563eb;
}
.scoring-guide-inline span:first-child {
  font-weight: bold;
  color: #2563eb;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--input);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  transition: background 0.2s, border-color 0.2s;
}

.btn:hover {
  background: #e5e7eb;
  border-color: var(--label);
}

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

.btn-primary:hover {
  background: #c73050;
  border-color: #c73050;
}

.btn-danger {
  background: #fef2f2;
  border-color: #fca5a5;
  color: #dc2626;
}

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

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---- Container ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* ---- Login ---- */
.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 20px;
}

.login-container h1 {
  font-size: 2rem;
  color: var(--label);
  letter-spacing: 2px;
}

.welcome-msg {
  color: var(--muted);
  font-size: 15px;
  text-align: center;
  max-width: 420px;
  line-height: 1.6;
}

.login-container form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 320px;
}

.login-container input[type="text"] {
  padding: 10px 14px;
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 16px;
  outline: none;
}

.login-container input[type="text"]:focus {
  border-color: var(--label);
}

.login-hint {
  color: var(--muted-dim);
  font-size: 13px;
  text-align: center;
}

.error-msg {
  color: var(--accent);
  background: #fef2f2;
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 8px 14px;
  font-size: 14px;
}

/* ---- Topbar ---- */
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.annotator-name {
  font-weight: bold;
  color: var(--text);
  font-size: 16px;
  margin-right: auto;
}

.progress-label {
  color: var(--text);
  font-size: 16px;
}

/* ---- Progress bar ---- */
.progress-section {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.progress-stats {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 280px;
}

.progress-stat-main {
  color: var(--text);
  font-size: 15px;
  font-weight: bold;
}

.progress-stat-user {
  color: var(--text);
  font-size: 14px;
}

.progress-bar-track {
  flex: 1;
  height: 14px;
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 7px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green-border), var(--green-text));
  border-radius: 7px;
  transition: width 0.4s ease;
}

.progress-pct {
  color: var(--text);
  font-size: 15px;
  font-weight: bold;
  min-width: 48px;
  text-align: right;
}

/* ---- Task list ---- */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 0;
}

.task-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 18px;
  color: var(--text);
  transition: border-color 0.2s, background 0.2s;
}

.task-card:hover {
  border-color: var(--label);
  background: #eff6ff;
}

.task-card.completed {
  opacity: 0.6;
}

.task-card-main {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
}

.task-filename {
  font-size: 16px;
  color: var(--text);
}

.task-dataset {
  font-size: 14px;
  color: var(--text);
}

.domain-tag {
  background: var(--input);
  color: var(--text);
  border-radius: 3px;
  padding: 2px 8px;
  font-size: 13px;
  border: 1px solid var(--border);
}

.task-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---- Status badges ---- */
.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: bold;
}

.status-badge.completed {
  background: var(--green-bg);
  color: var(--green-text);
  border: 1px solid var(--green-border);
}

.status-badge.assigned {
  background: #eff6ff;
  color: var(--label);
  border: 1px solid #bfdbfe;
}

.status-badge.skipped {
  background: #f3f4f6;
  color: var(--muted-dim);
  border: 1px solid #d1d5db;
}

.empty-msg {
  color: var(--muted-dim);
  text-align: center;
  padding: 40px;
}

/* ---- Rate layout ---- */
.rate-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 20px 0;
}

.rate-left {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.video-player {
  width: 100%;
  border-radius: 6px;
  background: #000;
  border: 1px solid var(--border);
}

.prompt-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prompt-label {
  color: var(--text);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: bold;
}

.prompt-text {
  color: #1e90ff;
  font-size: 20px;
  line-height: 1.6;
  font-weight: 600;
}

.rate-right {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ---- Score sections ---- */
.score-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.section-title {
  color: var(--text);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
  font-weight: 600;
}

.dim-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.dim-reasoning {
  width: 100%;
  font-size: 0.88em;
  color: #555;
  background: #f0f4f8;
  border-left: 3px solid #6366f1;
  padding: 6px 10px;
  margin-top: 2px;
  border-radius: 0 4px 4px 0;
  line-height: 1.5;
}

.dim-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.dim-label {
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
}

.dim-desc {
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
}

.dim-key {
  background: var(--input);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 11px;
  color: var(--accent);
  margin-right: 4px;
  font-family: monospace;
}

.score-btns {
  display: flex;
  align-items: center;
  gap: 4px;
}

.score-btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--input);
  color: var(--text);
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  transition: background 0.15s, border-color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.score-btn:hover {
  border-color: var(--label);
  background: #eff6ff;
}

.score-btn.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: bold;
}

/* ---- Note input ---- */
.note-input {
  width: 100%;
  min-height: 70px;
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 15px;
  padding: 8px 10px;
  resize: vertical;
  outline: none;
  font-family: inherit;
}

.note-input:focus {
  border-color: var(--label);
}

/* ---- Form actions ---- */
.form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ---- Skip form ---- */
.skip-form {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 4px;
}

.skip-reason-input {
  flex: 1;
  padding: 7px 10px;
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 13px;
  outline: none;
}

.skip-reason-input:focus {
  border-color: var(--accent);
}

.note-section { margin-top: 8px; }
.note-input {
  width: 100%;
  min-height: 48px;
  padding: 7px 10px;
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 13px;
  resize: vertical;
  outline: none;
}
.note-input:focus { border-color: var(--accent); }
.note-input:disabled { opacity: .6; cursor: not-allowed; }

/* ---- Scoring guide ---- */
.scoring-guide {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 16px;
  display: flex;
  gap: 20px;
  align-items: center;
  font-size: 14px;
  color: var(--text);
  margin-top: 10px;
}

.scoring-guide span:first-child {
  color: var(--text);
  font-weight: bold;
}

/* ---- Congrats screen ---- */
.congrats-screen {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
}
.congrats-card {
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 48px 40px;
  max-width: 500px;
}
.congrats-icon {
  font-size: 64px;
  margin-bottom: 16px;
}
.congrats-card h2 {
  color: var(--accent);
  margin: 0 0 12px;
  font-size: 24px;
}
.congrats-card p {
  color: var(--text);
  font-size: 16px;
  margin: 8px 0;
}
.congrats-sub {
  color: var(--text) !important;
  font-size: 15px !important;
}

/* ---- Guide button ---- */
.btn-guide {
  background: var(--green-bg);
  border-color: var(--green-border);
  color: var(--green-text);
  font-size: 15px;
  padding: 5px 14px;
}
.btn-guide:hover {
  background: var(--green-border);
  border-color: var(--green-text);
  color: #fff;
}
.btn-guide-float {
  float: right;
  margin-top: -4px;
}

/* ---- Guide page ---- */
.guide-container {
  max-width: 900px;
  padding-bottom: 60px;
}

.guide-topbar {
  margin-bottom: 16px;
}

.guide-title {
  color: var(--text);
  font-size: 28px;
  margin-bottom: 8px;
}

.guide-intro {
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 28px;
}

.guide-section {
  margin-bottom: 32px;
}

.guide-section h2 {
  color: var(--text);
  font-size: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-bottom: 14px;
}

.guide-note {
  color: var(--text);
  font-size: 15px;
  margin-bottom: 12px;
  line-height: 1.6;
}

/* Guide table */
.guide-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 10px;
}
.guide-table th,
.guide-table td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  text-align: left;
  font-size: 14px;
}
.guide-table th {
  background: var(--input);
  color: var(--text);
  font-size: 15px;
}
.score-cell {
  font-weight: bold;
  text-align: center;
  width: 60px;
}
.score-cell.s5 { color: #15803d; }
.score-cell.s4 { color: #16a34a; }
.score-cell.s3 { color: #eab308; }
.score-cell.s2 { color: #f97316; }
.score-cell.s1 { color: #ef4444; }

/* Dim cards */
.dim-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.guide-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 18px;
}

.guide-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.guide-card-label {
  color: var(--text);
  font-weight: bold;
  font-size: 16px;
}

.guide-card-scale {
  margin-left: auto;
  color: var(--text);
  font-size: 14px;
  background: var(--input);
  padding: 2px 8px;
  border-radius: 3px;
}

.guide-card-desc {
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 8px;
}

.guide-score-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}
.guide-score-labels strong {
  color: var(--text);
}

.guide-card-phys {
  border-left: 3px solid var(--input);
}

.guide-card-warn {
  border-left: 3px solid var(--accent);
}
.guide-card-warn h3 {
  color: var(--accent);
  font-size: 15px;
  margin-bottom: 8px;
}
.guide-card-warn ul {
  list-style: none;
  padding: 0;
}
.guide-card-warn li {
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  line-height: 1.6;
}
.guide-card-warn li:last-child {
  border-bottom: none;
}
.guide-card-warn p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.guide-domain-block {
  margin-bottom: 16px;
}
.guide-domain-title {
  color: var(--text);
  font-size: 16px;
  text-transform: capitalize;
  margin-bottom: 8px;
  padding-left: 4px;
}

.guide-list {
  list-style: none;
  padding: 0;
}
.guide-list li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 16px;
  margin-bottom: 8px;
  font-size: 13px;
  line-height: 1.6;
}

.guide-footer {
  text-align: center;
  margin-top: 32px;
}

/* ---- Demo page ---- */
.demo-example {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 24px;
}
.demo-example .score-section {
  margin-bottom: 12px;
}
.demo-video-wrap {
  margin-bottom: 16px;
  text-align: center;
}
.demo-video {
  max-width: 560px;
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.demo-judge {
  font-weight: normal;
  font-size: 12px;
  color: var(--label);
}
/* Color-coded selected score buttons on demo page */
.score-btn.demo-selected {
  color: #fff !important;
  border-color: transparent !important;
  transform: scale(1.12);
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.demo-rationale {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
  margin-top: 12px;
}
.demo-rationale ul {
  margin: 6px 0 0;
  padding-left: 18px;
}
.demo-rationale li {
  margin-bottom: 6px;
}

/* ---- Comparison mode ---- */
.compare-container {
  max-width: 1800px;
}

.compare-prompt {
  margin-bottom: 16px;
}

.compare-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 20px;
}
.compare-grid-2 { grid-template-columns: repeat(2, 1fr); }
.compare-grid-3 { grid-template-columns: repeat(3, 1fr); }
.compare-grid-4 { grid-template-columns: repeat(4, 1fr); }

.compare-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.compare-card-header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.compare-label {
  font-size: 16px;
  font-weight: bold;
  color: var(--accent);
  letter-spacing: 1px;
}

.compare-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 4px;
  background: #000;
  border: 1px solid var(--border);
}

.compare-card .score-section {
  padding: 10px 12px;
}

.law-tag {
  display: inline-block;
  background: #e8f0fe;
  color: #1a56db;
  font-weight: 600;
  font-size: 0.8em;
  padding: 2px 8px;
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  margin-right: 6px;
  vertical-align: middle;
}

/* Domain header in physical sub-questions */
.domain-header {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 10px 0 4px;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}

/* Note text below criterion question */
.dim-note {
  display: block;
  font-size: 0.82em;
  color: var(--muted);
  margin-top: 2px;
  font-style: italic;
}

/* Guide page: note under question */
.guide-card-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
  font-style: italic;
}

.compare-card .section-title {
  font-size: 11px;
  margin-bottom: 2px;
  padding-bottom: 4px;
}

.compare-card .dim-row {
  gap: 6px;
}

.compare-card .dim-info {
  min-width: 0;
}

.compare-card .dim-label {
  font-size: 14px;
}

.compare-card .dim-desc {
  font-size: 12px;
}

.compare-card .score-btn {
  width: 28px;
  height: 28px;
  font-size: 11px;
}

.compare-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

/* Task list: prompt preview */
.task-prompt-preview {
  font-size: 15px;
  color: var(--text);
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.task-model-count {
  font-size: 13px;
  color: var(--text);
  background: var(--input);
  padding: 2px 8px;
  border-radius: 3px;
  border: 1px solid var(--border);
  white-space: nowrap;
}

/* ---- Custom video controls (hide duration) ---- */
.compare-video-wrap {
  position: relative;
}

.video-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 0 0 4px 4px;
  margin-top: -4px;
}

.vc-btn {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 14px;
  padding: 2px 4px;
  line-height: 1;
}

.vc-bar {
  flex: 1;
  height: 6px;
  background: #444;
  border-radius: 3px;
  cursor: pointer;
  position: relative;
}

.vc-progress {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  width: 0%;
  pointer-events: none;
}

/* ---- Per-video card states ---- */
.compare-card.card-completed {
  border-color: var(--green-border);
  opacity: 0.6;
}
.compare-card.card-skipped {
  border-color: #d1d5db;
  opacity: 0.45;
}
.compare-card-header .status-badge {
  margin-left: auto;
  font-size: 11px;
}
.card-actions {
  display: flex;
  gap: 8px;
  padding-top: 6px;
}

/* Instructions box on task list page */
.instructions-box {
  background: #f0f7ff;
  border: 1px solid #b3d4fc;
  border-radius: 10px;
  padding: 20px 28px;
  margin-bottom: 24px;
}
.instructions-box h2 {
  margin: 0 0 10px;
  font-size: 1.25rem;
  color: #1a3a5c;
}
.instructions-box p {
  margin: 6px 0;
  color: #333;
  line-height: 1.5;
}

/* Rating Scale Reference box on task list page */
.scale-reference-box {
  background: #fffbeb;
  border: 1px solid #fcd34d;
  border-radius: 10px;
  padding: 20px 28px;
  margin-bottom: 24px;
}
.scale-reference-box h2 {
  margin: 0 0 10px;
  font-size: 1.25rem;
  color: #92400e;
}
.scale-reference-box p {
  margin: 6px 0 14px;
  color: #333;
  line-height: 1.5;
}
.scale-table {
  width: 100%;
}
.scale-table th {
  text-align: left;
}
.scale-table td:first-child {
  width: 60px;
  text-align: center;
}
.scale-table td:nth-child(2) {
  width: 180px;
  white-space: nowrap;
}

.start-section {
  text-align: center;
  margin: 32px 0;
}
.btn-start {
  display: inline-block;
  padding: 16px 48px;
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-start:hover {
  background: #d63050;
}

/* Trial mode: all-models grid */
.trial-container { max-width: 1800px; }
.trial-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}
.trial-grid .compare-card { font-size: 0.88rem; }
.trial-grid .compare-video { max-height: 220px; }
.trial-grid .section-title { font-size: 0.85rem; margin: 6px 0 4px; }
.trial-grid .dim-label { font-size: 0.8rem; }
.trial-grid .score-btn { min-width: 26px; padding: 3px 6px; font-size: 0.78rem; }
.trial-grid .note-input { font-size: 0.8rem; padding: 4px 6px; min-height: 40px; }

@media (max-width: 1600px) {
  .trial-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1100px) {
  .trial-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- Demographics form ---- */
.demographics-box {
  background: #f0f7ff;
  border: 1px solid #b3d4fc;
  border-radius: 10px;
  padding: 24px 32px;
  margin-bottom: 24px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.demographics-box h2 {
  margin: 0 0 8px;
  font-size: 1.25rem;
  color: #1a3a5c;
}
.demographics-box > p {
  color: #555;
  margin-bottom: 20px;
}
.demographics-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.demo-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.demo-label {
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
}
.demo-label .required {
  color: var(--accent);
}
.demo-options {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.demo-options label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 15px;
  cursor: pointer;
  color: var(--text);
}
.demo-input {
  padding: 10px 14px;
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  width: 100%;
}
.demo-input:focus {
  border-color: var(--label);
}
.demo-input-inline {
  width: 160px;
  padding: 6px 10px;
  font-size: 14px;
}
.demo-input-inline:disabled {
  opacity: 0.4;
}

/* Responsive: stack on narrow screens */
@media (max-width: 1200px) {
  .compare-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 800px) {
  .compare-grid-3,
  .compare-grid-4,
  .compare-grid-2 { grid-template-columns: 1fr; }
  .trial-grid { grid-template-columns: 1fr; }
}