/* =========================================================
   Session Log Converter — Turquoise theme
   ========================================================= */

:root {
  --turquoise-50: #f0fdfa;
  --turquoise-100: #ccfbf1;
  --turquoise-200: #99f6e4;
  --turquoise-300: #5eead4;
  --turquoise-400: #2dd4bf;
  --turquoise-500: #14b8a6;
  --turquoise-600: #0d9488;
  --turquoise-700: #0f766e;
  --turquoise-800: #115e59;
  --turquoise-900: #134e4a;

  --bg: #f4fbfa;
  --bg-deep: #e8f7f4;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --surface-soft: #f0fdfa;
  --border: #d5ebe6;
  --border-strong: #b5d9d1;
  --text: #0f2926;
  --text-muted: #4a6b66;
  --text-faint: #7a9a94;

  --accent: var(--turquoise-600);
  --accent-hover: var(--turquoise-700);
  --accent-soft: var(--turquoise-100);
  --accent-glow: rgba(13, 148, 136, 0.22);

  --danger: #b91c1c;
  --danger-soft: #fef2f2;
  --danger-border: #fecaca;
  --warning: #a16207;
  --warning-soft: #fffbeb;
  --warning-border: #fde68a;
  --success: var(--turquoise-700);
  --success-soft: var(--turquoise-50);
  --success-border: var(--turquoise-200);

  --preview-bg: #0b1f1c;
  --preview-fg: #e6f7f4;
  --preview-muted: #7aa8a0;
  --preview-label: #5eead4;
  --preview-border: #1a3d38;

  --shadow-sm: 0 1px 2px rgba(15, 41, 38, 0.04);
  --shadow: 0 12px 40px rgba(15, 76, 70, 0.08);
  --shadow-lg: 0 20px 50px rgba(13, 148, 136, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 8px;

  --mono: "JetBrains Mono", ui-monospace, Menlo, Monaco, Consolas, monospace;
  --sans: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --focus: 0 0 0 3px var(--accent-glow);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Ambient background */
.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(45, 212, 191, 0.28), transparent 55%),
    radial-gradient(ellipse 60% 40% at 95% 5%, rgba(13, 148, 136, 0.14), transparent 50%),
    radial-gradient(ellipse 50% 30% at 50% 100%, rgba(20, 184, 166, 0.08), transparent 60%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 40%, #f8fffd 100%);
}

.page {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 3.5rem;
}

/* ---------- Top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
  padding: 0.35rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: white;
  background: linear-gradient(145deg, var(--turquoise-400), var(--turquoise-700));
  box-shadow:
    0 8px 20px rgba(13, 148, 136, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
}

.brand-name {
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.brand-tag {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 560;
  backdrop-filter: blur(8px);
}

.pill-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--turquoise-500);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.25);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.2);
  }
  50% {
    box-shadow: 0 0 0 5px rgba(45, 212, 191, 0.12);
  }
}

/* ---------- Hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 1.25rem;
  align-items: stretch;
  margin-bottom: 1.25rem;
}

.hero-copy {
  padding: 0.35rem 0.15rem 0.5rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  display: inline-flex;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--turquoise-800);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.85rem, 3.4vw, 2.55rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  font-weight: 700;
  color: var(--text);
  max-width: 16ch;
}

.lede {
  margin: 0 0 1.15rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 48ch;
}

.lede strong {
  color: var(--turquoise-800);
  font-weight: 650;
}

.feature-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.feature-row li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.86rem;
  font-weight: 550;
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  display: grid;
  place-items: center;
  color: var(--turquoise-600);
}

.hero-help {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-help a {
  color: var(--turquoise-700);
  font-weight: 650;
  text-decoration: none;
}

.hero-help a:hover {
  text-decoration: underline;
}

.footer a {
  color: var(--turquoise-700);
  font-weight: 600;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

.topbar-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
}

.topbar-meta a.pill {
  text-decoration: none;
}

.topbar-meta a.pill:hover {
  border-color: var(--turquoise-400);
  color: var(--turquoise-800);
  background: var(--turquoise-50);
}

/* Featured external link (Turquoise Guardian) */
.pill-guardian {
  background: linear-gradient(145deg, var(--turquoise-500), var(--turquoise-700));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
}

.pill-guardian:hover {
  background: linear-gradient(145deg, var(--turquoise-400), var(--turquoise-600)) !important;
  border-color: transparent !important;
  color: #fff !important;
}

.pill-guardian .pill-icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  opacity: 0.95;
}

.pill-guardian .ext-arrow {
  opacity: 0.75;
  font-size: 0.85em;
  margin-left: 0.05rem;
}

/* Project hub strip — Guardian · Instructions · Converter */
.hub-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 1100px) {
  .hub-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.hub-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.95rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition:
    border-color 0.15s var(--ease),
    box-shadow 0.15s var(--ease),
    transform 0.15s var(--ease),
    background 0.15s var(--ease);
  min-height: 100%;
}

.hub-card:hover {
  border-color: var(--turquoise-300);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
  background: linear-gradient(165deg, #ffffff 0%, var(--turquoise-50) 100%);
}

.hub-card:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.hub-card-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--turquoise-700);
}

.hub-card-kicker svg {
  flex-shrink: 0;
}

.hub-card h3 {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.25;
}

.hub-card p {
  margin: 0;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.45;
  flex: 1;
}

.hub-card-cta {
  margin-top: 0.25rem;
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--turquoise-700);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.hub-card.is-external {
  border-color: var(--turquoise-200);
  background: linear-gradient(160deg, #ffffff 0%, var(--turquoise-50) 70%, #e6faf5 100%);
}

.hub-card.is-external .hub-card-cta::after {
  content: "↗";
  font-size: 0.9em;
  opacity: 0.85;
}

.hub-card.is-current {
  border-color: var(--turquoise-400);
  box-shadow:
    0 0 0 1px rgba(13, 148, 136, 0.12),
    var(--shadow-sm);
}

@media (max-width: 640px) {
  .hub-strip {
    grid-template-columns: 1fr;
  }
}

.steps {
  list-style: none;
  margin: 0;
  padding: 1.1rem 1.15rem;
  border-radius: var(--radius);
  background: linear-gradient(160deg, #ffffff 0%, var(--turquoise-50) 100%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  justify-content: center;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
}

.step-num {
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--turquoise-500), var(--turquoise-700));
  color: white;
  font-size: 0.82rem;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
}

.steps strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 650;
  color: var(--text);
  margin-bottom: 0.1rem;
}

.steps span {
  display: block;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ---------- Layout / panels ---------- */

.layout {
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  gap: 1rem;
  align-items: stretch;
  margin-bottom: 1rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.15rem;
}

.soft-panel {
  background: linear-gradient(180deg, #ffffff, var(--turquoise-50));
}

.panel-head {
  margin-bottom: 0.9rem;
}

.panel-head h2,
.preview-header h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.panel-sub {
  margin: 0.2rem 0 0;
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* ---------- Dropzone ---------- */

.dropzone {
  position: relative;
  border: 1.5px dashed var(--border-strong);
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(240, 253, 250, 0.9), #ffffff 70%);
  min-height: 240px;
  display: grid;
  place-items: center;
  cursor: pointer;
  overflow: hidden;
  transition:
    border-color 0.2s var(--ease),
    background 0.2s var(--ease),
    box-shadow 0.2s var(--ease),
    transform 0.2s var(--ease);
  outline: none;
}

.dropzone-glow {
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 50% 40%, rgba(45, 212, 191, 0.18), transparent 55%);
  opacity: 0;
  transition: opacity 0.25s var(--ease);
  pointer-events: none;
}

.dropzone:hover,
.dropzone:focus-visible {
  border-color: var(--turquoise-500);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.dropzone:hover .dropzone-glow,
.dropzone:focus-visible .dropzone-glow,
.dropzone.dragover .dropzone-glow {
  opacity: 1;
}

.dropzone.dragover {
  border-color: var(--turquoise-500);
  border-style: solid;
  background: var(--turquoise-50);
  transform: translateY(-2px) scale(1.01);
  box-shadow: var(--shadow-lg);
}

.dropzone.is-loading {
  pointer-events: none;
}

.dropzone-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.5rem 1.25rem;
  transition: opacity 0.2s ease;
}

.dropzone.is-loading .dropzone-inner {
  opacity: 0.15;
}

.dropzone-icon {
  width: 3.25rem;
  height: 3.25rem;
  margin: 0 auto 0.9rem;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: white;
  background: linear-gradient(145deg, var(--turquoise-400), var(--turquoise-700));
  box-shadow: 0 10px 24px rgba(13, 148, 136, 0.28);
}

.dropzone-title {
  margin: 0;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.dropzone-hint {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.linkish {
  color: var(--turquoise-700);
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: var(--turquoise-300);
}

.format-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 1rem;
}

.chip {
  display: inline-flex;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: white;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.dropzone-loading {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-content: center;
  gap: 0.65rem;
  text-align: center;
  color: var(--turquoise-800);
  font-weight: 600;
  font-size: 0.92rem;
}

.dropzone-loading p {
  margin: 0;
}

.spinner {
  width: 2rem;
  height: 2rem;
  margin: 0 auto;
  border-radius: 50%;
  border: 3px solid var(--turquoise-200);
  border-top-color: var(--turquoise-600);
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- Samples / stats ---------- */

.try-samples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.9rem;
}

.try-label {
  font-size: 0.8rem;
  color: var(--text-faint);
  font-weight: 550;
  margin-right: 0.15rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-top: 1rem;
}

.stat-card {
  padding: 0.7rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  border: 1px solid var(--border);
  min-width: 0;
}

.stat-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.2rem;
}

.stat-value {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}

.stat-value.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge {
  display: inline-flex !important;
  width: fit-content;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--turquoise-100), var(--turquoise-200));
  color: var(--turquoise-800);
  font-weight: 700;
  font-size: 0.78rem;
  border: 1px solid var(--turquoise-200);
}

/* ---------- Status ---------- */

.status {
  margin-top: 0.9rem;
  font-size: 0.88rem;
  border-radius: var(--radius-xs);
  padding: 0.7rem 0.8rem;
  border: 1px solid transparent;
  line-height: 1.45;
}

.status.success {
  color: var(--success);
  background: var(--success-soft);
  border-color: var(--success-border);
}

.status.error {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: var(--danger-border);
}

.status.warn {
  color: var(--warning);
  background: var(--warning-soft);
  border-color: var(--warning-border);
}

.status.info {
  color: var(--text-muted);
  background: var(--surface-soft);
  border-color: var(--border);
}

/* ---------- Buttons ---------- */

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

.btn {
  appearance: none;
  border: 1px solid var(--border-strong);
  background: white;
  color: var(--text);
  border-radius: 11px;
  padding: 0.68rem 0.95rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition:
    background 0.15s var(--ease),
    border-color 0.15s var(--ease),
    color 0.15s var(--ease),
    box-shadow 0.15s var(--ease),
    transform 0.15s var(--ease),
    opacity 0.15s ease;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  transform: none !important;
}

.btn-icon {
  flex-shrink: 0;
}

.btn-primary {
  background: linear-gradient(145deg, var(--turquoise-500), var(--turquoise-700));
  border-color: transparent;
  color: white;
  box-shadow: 0 6px 16px rgba(13, 148, 136, 0.28);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(145deg, var(--turquoise-400), var(--turquoise-600));
  box-shadow: 0 8px 20px rgba(13, 148, 136, 0.35);
}

.btn-secondary {
  background: white;
  border-color: var(--border-strong);
  color: var(--turquoise-800);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--turquoise-50);
  border-color: var(--turquoise-300);
}

.btn-secondary.is-copied {
  background: var(--turquoise-100);
  border-color: var(--turquoise-400);
  color: var(--turquoise-800);
}

.btn-soft {
  background: var(--turquoise-50);
  border-color: var(--border);
  color: var(--turquoise-800);
}

.btn-soft:hover:not(:disabled) {
  background: var(--turquoise-100);
  border-color: var(--turquoise-300);
}

.btn-soft.is-active {
  background: var(--turquoise-600);
  border-color: var(--turquoise-600);
  color: white;
}

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

.btn-ghost:hover:not(:disabled) {
  background: rgba(15, 41, 38, 0.04);
  color: var(--text);
}

.btn-sm {
  padding: 0.38rem 0.65rem;
  font-size: 0.8rem;
  border-radius: 8px;
}

/* ---------- Preview ---------- */

.preview-panel {
  min-height: 560px;
  display: flex;
  flex-direction: column;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.view-switch {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  border-radius: 9px;
}

.view-switch button {
  border: 0;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  padding: 0.35rem 0.7rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--text-muted);
}

.view-switch button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.view-switch button.is-active {
  background: var(--turquoise-600);
  color: white;
}

.preview-stats {
  color: var(--text-faint);
  font-size: 0.8rem;
  font-weight: 550;
  font-variant-numeric: tabular-nums;
}

.preview-shell {
  position: relative;
  flex: 1;
  min-height: 420px;
  border-radius: 14px;
  border: 1px solid var(--preview-border);
  background: var(--preview-bg);
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.preview-shell.empty {
  display: grid;
}

.preview-empty {
  display: none;
  place-content: center;
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--preview-muted);
}

.preview-shell.empty .preview-empty {
  display: grid;
  gap: 0.35rem;
}

.empty-illustration {
  color: var(--preview-muted);
  margin-bottom: 0.5rem;
}

.empty-title {
  margin: 0;
  color: var(--preview-fg);
  font-weight: 650;
  font-size: 1rem;
  font-family: var(--sans);
}

.empty-hint {
  margin: 0;
  font-size: 0.88rem;
  max-width: 32ch;
  justify-self: center;
  line-height: 1.45;
  font-family: var(--sans);
}

.preview {
  margin: 0;
  height: 100%;
  min-height: 420px;
  max-height: min(70vh, 720px);
  overflow: auto;
  padding: 1.15rem 1.2rem 1.4rem;
  color: var(--preview-fg);
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  tab-size: 2;
}

.preview.no-wrap {
  white-space: pre;
  word-break: normal;
}

.preview .tok-label {
  color: var(--preview-label);
  font-weight: 600;
}

.preview .tok-body {
  color: var(--preview-fg);
}

/* ---------- Format example ---------- */

.output-format {
  margin-bottom: 1.25rem;
}

.format-example {
  margin: 0;
  padding: 1rem 1.15rem;
  border-radius: 12px;
  background: var(--preview-bg);
  color: var(--preview-fg);
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.6;
  border: 1px solid var(--preview-border);
  overflow: auto;
}

.format-example .tok-label {
  color: var(--preview-label);
  font-weight: 600;
}

.format-example .tok-body {
  color: var(--preview-muted);
}

/* ---------- Footer ---------- */

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 0.25rem 0.15rem;
}

.footer p {
  margin: 0;
}

.footer strong {
  color: var(--turquoise-800);
}

.footer-note {
  color: var(--text-faint);
  font-size: 0.82rem;
}

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  bottom: 1.35rem;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  z-index: 50;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  background: var(--turquoise-800);
  color: white;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 12px 32px rgba(15, 76, 70, 0.3);
  animation: toast-in 0.28s var(--ease);
  max-width: min(90vw, 420px);
  text-align: center;
}

.toast.error {
  background: #991b1b;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* ---------- Utilities ---------- */

.hidden {
  display: none !important;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: rgba(13, 148, 136, 0.08);
  color: var(--turquoise-800);
  padding: 0.08em 0.35em;
  border-radius: 5px;
}

/* Scrollbars (preview) */
.preview::-webkit-scrollbar,
.format-example::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.preview::-webkit-scrollbar-thumb,
.format-example::-webkit-scrollbar-thumb {
  background: #2a5a53;
  border-radius: 999px;
  border: 2px solid var(--preview-bg);
}

.preview::-webkit-scrollbar-track,
.format-example::-webkit-scrollbar-track {
  background: transparent;
}

/* ---------- Responsive ---------- */

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: none;
  }

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

  .preview-panel {
    min-height: 480px;
  }

  .preview,
  .preview-shell {
    min-height: 360px;
  }
}

@media (max-width: 560px) {
  .page {
    width: min(100% - 1.25rem, 1180px);
    padding-top: 0.85rem;
  }

  .topbar {
    margin-bottom: 1.15rem;
  }

  .brand-tag {
    display: none;
  }

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

  .actions {
    flex-direction: column;
  }

  .actions .btn {
    width: 100%;
  }

  .footer {
    flex-direction: column;
  }

  .feature-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Submit result ---------- */

.submit-result {
  margin-top: 0.9rem;
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--turquoise-50), var(--turquoise-100));
  border: 1px solid var(--turquoise-200);
  color: var(--turquoise-900);
  font-size: 0.9rem;
  line-height: 1.45;
}

.submit-result strong {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--turquoise-800);
}

.submit-result .submit-result-id {
  display: inline-flex;
  margin-top: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: white;
  border: 1px solid var(--turquoise-200);
  font-family: var(--mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--turquoise-800);
}

/* ---------- Modal ---------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal.hidden {
  display: none !important;
  pointer-events: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 31, 28, 0.45);
  backdrop-filter: blur(4px);
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(440px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(15, 76, 70, 0.22);
  padding: 1.25rem 1.25rem 1.15rem;
  animation: modal-in 0.22s var(--ease);
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}

.modal-header h2 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.modal-sub {
  margin: 0.3rem 0 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.modal-close {
  appearance: none;
  border: 1px solid var(--border);
  background: white;
  color: var(--text-muted);
  width: 2rem;
  height: 2rem;
  border-radius: 9px;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s ease, color 0.15s ease;
}

.modal-close:hover {
  background: var(--turquoise-50);
  color: var(--text);
}

.modal-form {
  display: grid;
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field-label {
  font-size: 0.84rem;
  font-weight: 650;
  color: var(--text);
}

.req {
  color: var(--turquoise-600);
}

.field input {
  appearance: none;
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 11px;
  border: 1.5px solid var(--border-strong);
  background: white;
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input::placeholder {
  color: var(--text-faint);
}

.field input:focus {
  outline: none;
  border-color: var(--turquoise-500);
  box-shadow: var(--focus);
}

.field input.is-invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.12);
}

.field-hint {
  font-size: 0.78rem;
  color: var(--text-faint);
}

.id-preview {
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  background: var(--preview-bg);
  color: var(--preview-fg);
  display: grid;
  gap: 0.25rem;
}

.id-preview-label {
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--preview-muted);
}

#id-preview-value {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--preview-label);
  background: none;
  padding: 0;
}

.id-preview-hint {
  font-size: 0.75rem;
  color: var(--preview-muted);
  font-family: var(--sans);
}

.form-error {
  margin: 0;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  background: var(--danger-soft);
  border: 1px solid var(--danger-border);
  color: var(--danger);
  font-size: 0.86rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.btn-primary.is-loading {
  opacity: 0.75;
  pointer-events: none;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 560px) {
  .modal-actions {
    flex-direction: column-reverse;
  }

  .modal-actions .btn {
    width: 100%;
  }
}

.submit-result-file {
  margin-top: 0.45rem;
  font-size: 0.84rem;
  color: var(--turquoise-800);
  font-weight: 550;
}

/* ---------- Folio-style reader preview ---------- */

.preview {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--preview-fg);
  white-space: normal;
  overflow: auto;
  max-height: min(70vh, 720px);
  min-height: 420px;
  padding: 1.15rem 1.2rem 1.4rem;
}

.preview.reader-mode {
  background: var(--preview-bg);
}

.preview.source-mode {
  font-family: var(--mono);
  font-size: 0.8rem;
  white-space: pre-wrap;
}

.preview .source-view {
  margin: 0;
  font: inherit;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--preview-fg);
}

.preview.no-wrap {
  white-space: normal;
}

.preview .reader .transcript-title {
  font-family: Georgia, serif;
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--preview-fg);
  border-bottom: 1px solid var(--preview-border);
  padding-bottom: 0.5rem;
}

.preview .reader {
  max-width: 52rem;
}

.preview .reader h1,
.preview .reader h2,
.preview .reader h3,
.preview .reader h4 {
  font-family: var(--sans);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--preview-fg);
  margin: 1.4em 0 0.55em;
}

.preview .reader h2.turn-label {
  margin-top: 1.75em;
  margin-bottom: 0.65em;
  padding-bottom: 0.35em;
  border-bottom: 1px solid var(--preview-border);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--preview-label);
  letter-spacing: 0.02em;
}

.preview .reader h2.turn-label:first-child {
  margin-top: 0;
}

.preview .reader h2.turn-user {
  color: #7dd3c0;
}

.preview .reader h2.turn-assistant {
  color: var(--preview-label);
}

.preview .reader p {
  margin: 0 0 1.1em;
  color: var(--preview-fg);
}

.preview .reader a {
  color: var(--turquoise-300);
}

.preview .reader code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.12em 0.35em;
  border-radius: 4px;
  color: #c8f0e6;
}

.preview .reader pre {
  background: #071614;
  border: 1px solid var(--preview-border);
  color: #dfe9e2;
  padding: 14px 16px;
  border-radius: 10px;
  overflow: auto;
  line-height: 1.55;
  margin: 1.2em 0;
  font-size: 0.8em;
}

.preview .reader pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.preview .reader ul,
.preview .reader ol {
  padding-left: 1.35em;
  margin: 0 0 1.1em;
}

.preview .reader li {
  margin: 0.3em 0;
}

.preview .reader blockquote {
  margin: 1.2em 0;
  padding: 10px 16px;
  border-left: 3px solid var(--turquoise-500);
  background: rgba(20, 184, 166, 0.08);
  color: var(--preview-muted);
  font-style: italic;
}

.preview .reader hr {
  border: 0;
  border-top: 1px solid var(--preview-border);
  margin: 1.8em 0;
}

.preview .reader table {
  border-collapse: collapse;
  width: 100%;
  font-family: var(--sans);
  font-size: 0.82em;
  margin: 1.2em 0;
}

.preview .reader th,
.preview .reader td {
  border-bottom: 1px solid var(--preview-border);
  padding: 8px;
  text-align: left;
}

.preview .reader th {
  color: var(--preview-label);
}