/* ---------- Tokens ---------- */
:root {
  --maroon: #5A1A1F;
  --maroon-dark: #3A0F13;
  --cream: #F3ECDD;
  --paper: #FBF8F1;
  --ink: #271713;
  --ink-soft: #5C4A42;
  --amber: #E8A33D;
  --amber-dark: #B97A1E;
  --green: #4C7A5E;
  --amber-mid: #CE8A2E;
  --rust: #B3462C;
  --line: #DDD0B8;
  --radius: 3px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

h1, h2 { margin: 0; }

p { margin: 0.4em 0 0; color: var(--ink-soft); max-width: 62ch; }

button {
  font-family: inherit;
  cursor: pointer;
}

main {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

/* ---------- Hero: literal destination board ---------- */
.board-hero {
  background:
    radial-gradient(circle, rgba(232,163,61,0.05) 1px, transparent 1.4px) 0 0/6px 6px,
    linear-gradient(180deg, var(--maroon) 0%, var(--maroon-dark) 100%);
  padding: 56px 20px 48px;
  text-align: left;
  border-bottom: 6px solid var(--amber);
}

.board-hero__inner {
  max-width: 780px;
  margin: 0 auto;
}

.destination-board {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  letter-spacing: 0.01em;
  color: var(--cream);
  line-height: 1;
  text-transform: uppercase;
}

.destination-board__accent { color: var(--amber); }

.board-hero__tag {
  color: #E4D6C6;
  font-size: 1.05rem;
  margin-top: 14px;
  max-width: 46ch;
}

/* ---------- Ticket-stub panel (scan section) ---------- */
.ticket-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 32px 28px 28px;
  margin-top: 0;
  position: relative;
}

.ticket-panel::before {
  content: "";
  display: block;
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 0;
  border-top: 2px dashed var(--line);
}

.ticket-panel__head h2,
.results-panel__head h2,
.library-panel__head h2 {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
}

.scan-preview {
  margin-top: 22px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: repeating-linear-gradient(135deg, #F8F3E7, #F8F3E7 10px, #F4EEDF 10px, #F4EEDF 20px);
  overflow: hidden;
}

.scan-preview__empty {
  color: var(--ink-soft);
  font-size: 0.92rem;
  padding: 30px;
  text-align: center;
}

.scan-preview img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  display: block;
}
.scan-preview__pdf {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 30px;
  color: var(--ink);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.92rem;
}

.scan-preview__pdf-icon { font-size: 1.8rem; }
.scan-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: #FBEFD9;
  border: 1px solid var(--amber);
  color: var(--amber-dark);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.88rem;
}

.scan-status.is-error {
  background: #FBE4DC;
  border-color: var(--rust);
  color: var(--rust);
}

/* ---------- Bottom chat-style input bar ---------- */
.input-bar {
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--cream);
  border: 2px solid var(--maroon);
  border-radius: 999px;
  padding: 8px 8px 8px 14px;
}

.input-bar__icon {
  background: none;
  border: none;
  color: var(--maroon);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border-radius: 50%;
  transition: background 0.15s ease;
}

.input-bar__icon:hover { background: rgba(90,26,31,0.08); }

.input-bar__filename {
  flex: 1;
  font-size: 0.85rem;
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.input-bar__scan {
  background: var(--amber);
  color: var(--maroon-dark);
  border: none;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 0.92rem;
  transition: filter 0.15s ease;
}

.input-bar__scan:disabled {
  background: #E5DCC6;
  color: #A79A85;
  cursor: not-allowed;
}

.input-bar__scan:not(:disabled):hover { filter: brightness(1.06); }

/* ---------- Results / correction table ---------- */
.results-panel, .library-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  margin-top: 24px;
}

.route-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-top: 20px;
  overflow: hidden;
}

.route-card__title {
  background: var(--maroon);
  padding: 10px 14px;
}

.route-card__title input {
  background: none;
  border: none;
  color: var(--cream);
  font-weight: 600;
  font-size: 0.98rem;
  width: 100%;
}

.route-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.route-table th {
  text-align: left;
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}

.route-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.route-table tr:last-child td { border-bottom: none; }

.route-table input {
  border: 1px solid transparent;
  background: transparent;
  font-family: inherit;
  font-size: 0.88rem;
  width: 100%;
  padding: 4px 6px;
  border-radius: 2px;
  color: var(--ink);
}

.route-table input:hover { border-color: var(--line); }
.route-table input:focus {
  border-color: var(--maroon);
  outline: none;
  background: #fff;
}

.route-table input.is-time,
.route-table input.is-ml { font-family: 'IBM Plex Mono', monospace; }
.route-table input.is-ml { font-family: 'Noto Sans Malayalam', 'IBM Plex Sans', sans-serif; }

.confidence-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}
.confidence-dot.high { background: var(--green); }
.confidence-dot.medium { background: var(--amber-mid); }
.confidence-dot.low { background: var(--rust); }

.row-delete {
  background: none;
  border: none;
  color: var(--ink-soft);
  font-size: 0.85rem;
  padding: 2px 6px;
}
.row-delete:hover { color: var(--rust); }

.route-card__foot {
  padding: 8px 10px;
  background: #F8F3E7;
}

.add-row-btn {
  background: none;
  border: 1px dashed var(--line);
  border-radius: 2px;
  padding: 5px 10px;
  font-size: 0.8rem;
  color: var(--ink-soft);
}
.add-row-btn:hover { border-color: var(--maroon); color: var(--maroon); }

/* ---------- Buttons & actions ---------- */
.results-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
}

.btn {
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
}

.btn--primary {
  background: var(--maroon);
  color: var(--cream);
}
.btn--primary:hover { background: var(--maroon-dark); }

.btn--ghost {
  background: transparent;
  border: 1.5px solid var(--maroon);
  color: var(--maroon);
}
.btn--ghost:hover { background: rgba(90,26,31,0.06); }
.btn--ghost:disabled, .btn--primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.export-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.export-group__label {
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-right: 2px;
}

/* ---------- Library / next bus ---------- */
.next-bus-form {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: end;
}

.next-bus-form__field {
  display: flex;
  flex-direction: column;
  font-size: 0.8rem;
  color: var(--ink-soft);
  gap: 5px;
  flex: 1;
  min-width: 160px;
}

.next-bus-form__field input {
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 10px;
  font-size: 0.92rem;
  font-family: 'IBM Plex Mono', monospace;
}
.next-bus-form__field input:focus { outline: none; border-color: var(--maroon); }

.search-results { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }

.search-result {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.search-result__route { font-weight: 600; font-size: 0.9rem; }
.search-result__meta { font-size: 0.78rem; color: var(--ink-soft); }
.search-result__time {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.1rem;
  color: var(--maroon);
  font-weight: 600;
}

.search-empty {
  color: var(--ink-soft);
  font-size: 0.88rem;
  padding: 10px 2px;
}

/* ---------- Footer ---------- */
.site-footer {
  text-align: left;
  max-width: 780px;
  margin: 40px auto 0;
  padding: 0 20px;
}
.site-footer p {
  font-size: 0.78rem;
  color: var(--ink-soft);
}

/* ---------- Responsive ---------- */
@media (max-width: 560px) {
  .ticket-panel, .results-panel, .library-panel { padding: 20px 16px; }
  .results-actions { flex-direction: column; align-items: stretch; }
  .export-group { justify-content: space-between; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ---------- Focus visibility ---------- */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--maroon);
  outline-offset: 2px;
}