/* ============================================================
   Design tokens
   ============================================================ */
:root {
  /* Surfaces */
  --bg:            #ffffff;
  --bg-2:          #f5f6f8;
  --bg-3:          #eceef2;
  --bg-hover:      #f0f1f5;

  /* Brand */
  --red:           #e1251b;
  --red-soft:      rgba(225, 37, 27, 0.08);
  --red-glow:      rgba(225, 37, 27, 0.25);
  --blue:          #2563eb;
  --blue-soft:     rgba(37, 99, 235, 0.10);

  /* Text */
  --t1:            #111827;
  --t2:            #6b7280;
  --t3:            #9ca3af;

  /* Borders */
  --b1:            rgba(0,0,0,0.07);
  --b2:            rgba(0,0,0,0.11);
  --b3:            rgba(0,0,0,0.18);

  /* Shadows */
  --shadow-sm:
    0 1px 3px rgba(0,0,0,0.08),
    0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:
    0 0 0 1px rgba(0,0,0,0.06),
    0 4px 12px rgba(0,0,0,0.10),
    0 1px 4px rgba(0,0,0,0.06);
  --shadow-lg:
    0 0 0 1px rgba(0,0,0,0.06),
    0 8px 24px rgba(0,0,0,0.12),
    0 2px 8px rgba(0,0,0,0.06);

  /* Spacing */
  --s1: 4px;  --s2: 8px;   --s3: 12px;
  --s4: 16px; --s5: 20px;  --s6: 24px;

  /* Typography */
  --font-display: 'Geist', system-ui, sans-serif;
  --font-body:    'Geist', system-ui, sans-serif;
  --font-mono:    'Geist Mono', ui-monospace, monospace;

  /* Sidebar */
  --sidebar-w: 320px;

  /* Radii */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;

  /* Motion */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================================
   Reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  font-family: var(--font-body);
  color: var(--t1);
  -webkit-font-smoothing: antialiased;
}

button { font-family: var(--font-body); cursor: pointer; border: none; background: none; color: inherit; }
ul     { list-style: none; }

/* ============================================================
   App shell — sidebar left + map right
   ============================================================ */
#app {
  display: flex;
  height: 100%;
  width: 100%;
}

/* ============================================================
   Sidebar
   ============================================================ */
#sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border-right: 1px solid var(--b1);
  overflow-x: visible;
  overflow-y: hidden;
  transition: width 300ms var(--ease-out), opacity 300ms ease;
  z-index: 10;
}

#sidebar.collapsed {
  width: 0;
  opacity: 0;
  pointer-events: none;
}

/* ── Sidebar header ──────────────────────────── */
#sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s4) var(--s4);
  height: 56px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--b1);
}

#brand {
  display: flex;
  align-items: center;
  gap: var(--s3);
  text-decoration: none;
  border-radius: var(--r-sm);
}
#brand:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

#brand-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

#brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  color: var(--t1);
}

#sidebar-collapse-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  color: var(--t3);
  transition: background 120ms ease, color 120ms ease;
}
#sidebar-collapse-btn:hover { background: var(--bg-3); color: var(--t1); }
#sidebar-collapse-btn:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

/* ── Search ──────────────────────────────────── */
#search-section {
  padding: var(--s3) var(--s4);
  flex-shrink: 0;
  position: relative;
}

#search-field {
  display: flex;
  align-items: center;
  gap: var(--s2);
  padding: 0 var(--s3);
  height: 36px;
  background: var(--bg-2);
  border: 1px solid var(--b2);
  border-radius: var(--r-md);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

#search-field:focus-within {
  border-color: var(--b3);
  box-shadow: 0 0 0 3px var(--red-soft);
}

.search-icon { color: var(--t3); flex-shrink: 0; transition: color 140ms ease; }
#search-field:focus-within .search-icon { color: var(--t2); }

#search-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--t1);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  outline: none;
  min-width: 0;
}
#search-input::placeholder { color: var(--t3); }

/* Search pills — lives below the search field */
#search-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding-top: var(--s2);
}

.search-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px 2px 8px;
  background: rgba(225,37,27,0.1);
  border: 1px solid rgba(225,37,27,0.3);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #b91c1c;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  animation: pill-in 140ms var(--ease-out) both;
}

@keyframes pill-in {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: none; }
}

.search-pill-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  color: inherit;
  opacity: 0.6;
  transition: opacity 120ms ease, background 120ms ease;
  flex-shrink: 0;
}
.search-pill-remove:hover { opacity: 1; background: rgba(225,37,27,0.15); }
.search-pill-remove:focus-visible { outline: 2px solid var(--red); outline-offset: 1px; }

/* Route endpoint labels (multi-route mode) */
.route-end-label {
  display: inline-block;
  padding: 2px 6px;
  background: var(--label-col, #e1251b);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 4px;
  white-space: nowrap;
  box-shadow: 0 1px 4px rgba(0,0,0,0.35);
  transform: translate(-50%, -50%);
  pointer-events: none;
  user-select: none;
}

#search-clear {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  color: var(--t3);
  flex-shrink: 0;
  transition: background 120ms ease, color 120ms ease;
}
#search-clear:hover      { background: var(--bg-hover); color: var(--t1); }
#search-clear:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

/* Autocomplete dropdown */
#autocomplete-list {
  position: absolute;
  top: calc(100% - var(--s1));
  left: var(--s4);
  right: var(--s4);
  background: var(--bg-2);
  border: 1px solid var(--b2);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  z-index: 50;
  overflow: hidden;
  animation: dropdown-in 180ms var(--ease-out) both;
}

@keyframes dropdown-in {
  from { opacity: 0; transform: translateY(-6px) scaleY(0.95); transform-origin: top; }
  to   { opacity: 1; transform: none; }
}

#autocomplete-list li {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: 9px var(--s3);
  cursor: pointer;
  transition: background 100ms ease;
  border-bottom: 1px solid var(--b1);
}
#autocomplete-list li:last-child { border-bottom: none; }
#autocomplete-list li:hover,
#autocomplete-list li[aria-selected="true"] { background: var(--bg-hover); }

.ac-id {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--t1);
  min-width: 40px;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.ac-id mark {
  background: transparent;
  color: var(--red);
}

.ac-dest {
  font-size: 0.775rem;
  color: var(--t2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Filters section (always visible) ───────── */
#filters-section {
  flex-shrink: 0;
  padding: var(--s3) var(--s4);
  display: flex;
  flex-direction: column;
  gap: var(--s5);
  border-bottom: 1px solid var(--b1);
}

.route-action-row {
  display: flex;
  gap: var(--s2);
}
.route-action-row #stops-toggle-btn,
.route-action-row #clear-route-btn {
  flex: 1;
}

.filter-group { display: flex; flex-direction: column; gap: var(--s2); }

.filter-group-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--t3);
}

.filter-chips { display: flex; flex-wrap: wrap; gap: 4px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px var(--s2);
  border-radius: 100px;
  border: 1px solid var(--b2);
  background: var(--bg-2);
  color: var(--t3);
  font-size: 0.72rem;
  font-weight: 500;
  transition: background 100ms ease, border-color 100ms ease, color 100ms ease;
}
.chip:hover         { border-color: var(--b3); color: var(--t2); background: var(--bg-3); }
.chip:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
.chip:active        { transform: scale(0.96); }

/* Active states per type */
.chip.active                        { background: rgba(225,37,27,0.09);  border-color: rgba(225,37,27,0.35); color: #b91c1c; }
.chip.unknown-chip              { color: var(--t3); border-style: dashed; }
.chip.unknown-chip.active       { background: rgba(107,114,128,0.10); border-color: rgba(107,114,128,0.45); border-style: solid; color: #4b5563; }
.chip[data-val="prefix"].active { background: rgba(234,88,12,0.09);  border-color: rgba(234,88,12,0.35);  color: #c2410c; }
.chip[data-val="night"].active  { background: rgba(139,92,246,0.09); border-color: rgba(139,92,246,0.35); color: #7c3aed; }
.chip[data-val="school"].active { background: rgba(234,179,8,0.12);  border-color: rgba(234,179,8,0.45);  color: #a16207; }
/* Frequency chips */
.chip[data-val="high"].active       { background: rgba(16,185,129,0.09); border-color: rgba(16,185,129,0.35); color: #059669; }
.chip[data-val="regular"].active    { background: rgba(59,130,246,0.09); border-color: rgba(59,130,246,0.35); color: #2563eb; }
.chip[data-val="low"].active        { background: rgba(156,163,175,0.15);border-color: rgba(107,114,128,0.35);color: #4b5563; }

/* Filter bottom bar: stat + clear */
#filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--s2);
  border-top: 1px solid var(--b1);
  margin-top: var(--s1);
}

#filter-stat {
  font-size: 0.72rem;
  color: var(--t3);
  font-weight: 500;
}

#filter-stat-count {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--t2);
}

#filter-clear-btn {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--red);
  padding: 3px 8px;
  border-radius: 100px;
  border: 1px solid rgba(225,37,27,0.25);
  background: var(--red-soft);
  transition: opacity 120ms ease;
}
#filter-clear-btn:hover { opacity: 0.75; }
#filter-clear-btn:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

#filter-actions {
  display: flex;
  align-items: center;
  gap: var(--s1);
}

#export-csv-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--r-sm);
  border: 1px solid var(--b2);
  background: var(--bg-2);
  color: var(--t2);
  transition: background 120ms ease, color 120ms ease;
}
#export-csv-btn:hover { background: var(--bg-3); color: var(--t1); }
#export-csv-btn:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

/* ── Sidebar divider ─────────────────────────── */
.sidebar-divider { height: 1px; background: var(--b1); flex-shrink: 0; }

/* ── Sidebar content area ────────────────────── */
#sidebar-content { flex: 1; overflow-y: auto; overflow-x: visible; }

/* Scrollbar */
#sidebar-content::-webkit-scrollbar { width: 4px; }
#sidebar-content::-webkit-scrollbar-track { background: transparent; }
#sidebar-content::-webkit-scrollbar-thumb { background: var(--b2); border-radius: 2px; }

/* Default state */
#default-state {
  padding: var(--s4) var(--s4) var(--s5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s4);
}

#default-hint {
  font-size: 0.78rem;
  color: var(--t3);
  text-align: center;
  line-height: 1.6;
  padding: 0 var(--s3);
}

/* Operator stats table */
#operator-stats { width: 100%; }

.stats-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.72rem;
}

.stats-table thead th {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--t3);
  padding: 0 var(--s2) var(--s1);
  text-align: right;
  border-bottom: 1px solid var(--b1);
}
.stats-table thead th:first-child { text-align: left; }

.stats-table tbody tr {
  border-bottom: 1px solid var(--b1);
  transition: background 100ms ease;
}
.stats-table tbody tr:last-child { border-bottom: none; }
.stats-table tbody tr:hover { background: var(--bg-2); }

.stats-table td {
  padding: 6px var(--s2);
  color: var(--t2);
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}
.stats-table td.stat-op {
  text-align: left;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--t1);
  font-size: 0.72rem;
}

.stats-empty {
  font-size: 0.75rem;
  color: var(--t3);
  text-align: center;
  padding: var(--s4) 0;
}

/* Route detail state */
#route-detail {
  padding: var(--s5) var(--s4) var(--s5) var(--s4);
  display: flex;
  flex-direction: column;
  gap: var(--s4);
  animation: fade-up 240ms var(--ease-out) both;
  overflow: visible;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

#route-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s3);
}

#route-badge-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  height: 64px;
  border-radius: var(--r-lg);
  background: var(--red);
  border: none;
  flex-shrink: 0;
}

#route-badge-number {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #ffffff;
  line-height: 1;
  white-space: nowrap;
}

#route-detail-meta { display: flex; flex-direction: column; gap: var(--s1); align-items: flex-end; }

.service-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px var(--s2);
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.service-tag.regular    { background: var(--bg-2);       color: var(--t2);  border: 1px solid var(--b2); }
.service-tag.night      { background: var(--blue-soft);  color: #1d4ed8;    border: 1px solid rgba(37,99,235,0.2); }
.service-tag.twentyfour { background: rgba(13,148,136,0.09); color: #0f766e; border: 1px solid rgba(13,148,136,0.3); }
.service-tag.school     { background: rgba(234,179,8,0.12);  color: #a16207; border: 1px solid rgba(234,179,8,0.4); }
.service-tag.prefix     { background: rgba(234,88,12,0.09);  color: #c2410c; border: 1px solid rgba(234,88,12,0.3); }

.meta-chip {
  font-size: 0.72rem;
  color: var(--t3);
  font-weight: 500;
}

/* Route endpoints */
#route-endpoints {
  display: flex;
  flex-direction: column;
  padding: var(--s3);
  background: var(--bg-2);
  border: 1px solid var(--b1);
  border-radius: var(--r-lg);
  gap: 0;
  position: relative;
}

.endpoint-row {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: var(--s2) 0;
}

.endpoint-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background 200ms ease, box-shadow 200ms ease;
}
.endpoint-dot.outbound { background: var(--red);  box-shadow: 0 0 6px var(--red-glow); }
.endpoint-dot.inbound  { background: var(--blue); box-shadow: 0 0 6px rgba(59,130,246,0.4); }

/* Connector row */
#ep-connector {
  padding: 0;
  margin-left: 5px;
}

.ep-connector-line {
  width: 1px;
  height: 20px;
  background: var(--b2);
}

#dir-toggle-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--b2);
  background: var(--bg);
  color: var(--t2);
  box-shadow: var(--shadow-md);
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease, transform 240ms var(--ease-spring);
  z-index: 2;
}
#dir-toggle-btn:hover { background: var(--bg-3); border-color: var(--b3); color: var(--t1); }
#dir-toggle-btn:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
#dir-toggle-btn.spinning { transform: rotate(180deg); }

.endpoint-info { display: flex; flex-direction: column; gap: 1px; }

.endpoint-dir {
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--t3);
  transition: color 200ms ease;
}

.endpoint-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--t1);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 190px;
}


/* Route meta */
#route-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  background: var(--bg-2);
  border: 1px solid var(--b1);
  border-radius: var(--r-sm);
}

.route-meta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s2);
  min-height: 22px;
}

.route-meta-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--t3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.route-meta-value {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--t1);
  text-align: right;
}

/* Route action buttons row (stops toggle + clear) */
#stops-toggle-btn,
#clear-route-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  padding: 8px;
  border-radius: var(--r-sm);
  border: 1px solid var(--b2);
  color: var(--t3);
  font-size: 0.775rem;
  font-weight: 500;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
#stops-toggle-btn:hover, #clear-route-btn:hover { background: var(--bg-3); color: var(--t2); border-color: var(--b3); }
#stops-toggle-btn:focus-visible, #clear-route-btn:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
#stops-toggle-btn.active { background: var(--bg-3); color: var(--t1); }

/* Popup: route chips on stop markers */
.popup-routes {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--b1);
}
.popup-route-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-3);
  border: 1px solid var(--b2);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--t2);
  cursor: pointer;
  transition: background 100ms ease, color 100ms ease;
  user-select: none;
}
.popup-route-chip:hover { background: var(--red); color: #fff; border-color: var(--red); }


/* ── Sidebar footer ──────────────────────────── */
#sidebar-footer {
  flex-shrink: 0;
  padding: var(--s3) var(--s4);
  border-top: 1px solid var(--b1);
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}

.footer-dates {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
}

.footer-item {
  font-size: 0.68rem;
  color: var(--t3);
  font-weight: 400;
}
.footer-item span {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--t2);
}

.sidebar-disclaimer {
  margin: 0;
  font-size: 0.62rem;
  line-height: 1.5;
  color: var(--t3);
  text-align: left;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  padding-top: var(--s1);
  border-top: 1px solid var(--b1);
}

.footer-link {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--t2);
  text-decoration: none;
  padding: 2px 4px;
  border-radius: var(--r-sm);
  transition: color 120ms ease, background 120ms ease;
}
.footer-link:hover { color: var(--t1); background: var(--bg-hover); }
.footer-link:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

/* ── Modal (About) ──────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s4);
  animation: modal-fade 180ms var(--ease-out) both;
}

@keyframes modal-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.55);
  backdrop-filter: blur(4px);
}

.modal-panel {
  position: relative;
  max-width: 460px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--bg);
  border: 1px solid var(--b2);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--s5);
  animation: modal-in 220ms var(--ease-spring) both;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}

.modal-close {
  position: absolute;
  top: var(--s3);
  right: var(--s3);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--t3);
  transition: background 120ms ease, color 120ms ease;
}
.modal-close:hover { background: var(--bg-3); color: var(--t1); }
.modal-close:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

/* Header with brand mark */
.modal-header {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding-bottom: var(--s3);
  border-bottom: 1px solid var(--b1);
  margin-bottom: var(--s3);
}

.modal-brand {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 0 3px var(--red-soft);
}

.modal-heading { display: flex; flex-direction: column; gap: 2px; }

.modal-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--t1);
  line-height: 1;
}

.modal-subtitle {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--t3);
  letter-spacing: 0.02em;
}

.modal-lede {
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--t2);
  margin-bottom: var(--s2);
}

/* Sections with chip-style tags */
.modal-section { margin-top: var(--s4); }

.modal-section-tag {
  display: inline-block;
  padding: 2px var(--s2);
  border-radius: 100px;
  border: 1px solid var(--b2);
  background: var(--bg-2);
  color: var(--t3);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--s2);
}

.credits-list {
  display: flex;
  flex-direction: column;
  gap: var(--s1);
}

.credits-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--s2);
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--t2);
  padding: 6px 10px;
  border-radius: var(--r-sm);
  transition: background 100ms ease;
}
.credits-list li:hover { background: var(--bg-2); }

.credits-list a {
  color: var(--t1);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--b2);
  transition: color 120ms ease, border-color 120ms ease;
}
.credits-list a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

.credits-plain {
  color: var(--t1);
  font-weight: 600;
}

.modal-note {
  margin-top: var(--s2);
  padding: var(--s2) var(--s3);
  background: var(--bg-2);
  border: 1px solid var(--b1);
  border-radius: var(--r-sm);
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--t2);
}
.modal-note strong {
  font-weight: 600;
  color: var(--t1);
}

.credits-note {
  font-size: 0.7rem;
  color: var(--t3);
  font-weight: 400;
}
.credits-note a {
  font-weight: 500;
  color: var(--t3);
  border-bottom-color: transparent;
}
.credits-note a:hover { color: var(--red); border-bottom-color: var(--red); }



/* ============================================================
   Map area
   ============================================================ */
#map-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#map { width: 100%; height: 100%; }

/* Sidebar expand button */
#sidebar-expand-btn {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 500;
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  background: var(--bg-2);
  border: 1px solid var(--b2);
  color: var(--t2);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: background 120ms ease, color 120ms ease;
  animation: fade-in 240ms var(--ease-out) both;
}
#sidebar-expand-btn:hover { background: var(--bg-3); color: var(--t1); }
#sidebar-expand-btn:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

@keyframes fade-in {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: none; }
}

/* Leaflet overrides */
.leaflet-bottom.leaflet-right { bottom: 16px; right: 16px; }
.leaflet-control-attribution { display: none !important; }

.leaflet-control-zoom {
  border: 1px solid var(--b2) !important;
  border-radius: var(--r-md) !important;
  overflow: hidden;
  box-shadow: var(--shadow-md) !important;
}

.leaflet-control-zoom a {
  background: var(--bg) !important;
  color: var(--t2) !important;
  border-color: var(--b1) !important;
  width: 32px !important;
  height: 32px !important;
  line-height: 32px !important;
  font-size: 16px !important;
  transition: background 100ms ease, color 100ms ease;
}
.leaflet-control-zoom a:hover { background: var(--bg-2) !important; color: var(--t1) !important; }

.leaflet-control-attribution {
  background: rgba(255,255,255,0.82) !important;
  color: var(--t3) !important;
  font-size: 9px !important;
  backdrop-filter: blur(8px);
  border-radius: 4px 0 0 0 !important;
  padding: 2px 6px !important;
}
.leaflet-control-attribution a { color: var(--t3) !important; }

/* Leaflet popup */
.leaflet-popup-content-wrapper {
  background: var(--bg) !important;
  border: 1px solid var(--b2) !important;
  border-radius: var(--r-md) !important;
  box-shadow: var(--shadow-lg) !important;
  font-family: var(--font-body) !important;
  color: var(--t1) !important;
}
.leaflet-popup-tip { background: var(--bg-2) !important; }
.leaflet-popup-content { margin: var(--s3) var(--s4) !important; font-size: 0.8rem !important; }
.leaflet-popup-close-button { color: var(--t3) !important; top: 6px !important; right: 8px !important; font-size: 16px !important; }

.popup-name { display: block; font-weight: 600; font-size: 0.825rem; color: var(--t1); margin-bottom: 2px; }
.popup-id   { font-size: 0.7rem; color: var(--t3); font-weight: 500; font-family: monospace; letter-spacing: 0.04em; }

/* Identify popup (routes-at-point) */
.id-popup-wrap .leaflet-popup-content-wrapper {
  padding: 0 !important;
  overflow: hidden;
}
.id-popup-wrap .leaflet-popup-content { margin: 0 !important; }
.id-popup-wrap .leaflet-popup-tip-container { display: none; }

.id-popup {
  padding: var(--s2) var(--s3);
}

.id-popup-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--t3);
  margin-bottom: var(--s1);
}

.id-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.id-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 7px;
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: color-mix(in srgb, var(--chip-col) 12%, transparent);
  color: var(--chip-col);
  border: 1px solid color-mix(in srgb, var(--chip-col) 30%, transparent);
  cursor: pointer;
  transition: background 100ms ease, transform 100ms ease;
}
.id-chip:hover {
  background: color-mix(in srgb, var(--chip-col) 22%, transparent);
  transform: scale(1.05);
}

/* ── Status toast ────────────────────────────── */
#status-toast {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 600;
  display: flex;
  align-items: center;
  gap: var(--s2);
  padding: 8px var(--s4);
  background: var(--bg-2);
  border: 1px solid var(--b2);
  border-radius: 100px;
  box-shadow: var(--shadow-lg);
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--t2);
  white-space: nowrap;
  pointer-events: none;
  animation: toast-in 200ms var(--ease-spring) both;
}
@keyframes toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(8px) scale(0.96); }
  to   { opacity: 1; transform: translateX(-50%) none; }
}

#status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  flex-shrink: 0;
}

#status-toast.loading #status-dot { animation: blink 1s ease-in-out infinite; }
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

#status-toast.error { color: #f87171; }
#status-toast.error #status-dot { background: #f87171; }

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

/* ============================================================
   Mobile (≤ 768px) — sidebar becomes a bottom drawer
   ============================================================ */
@media (max-width: 768px) {
  html, body { overflow: hidden; }

  #app {
    flex-direction: column;
    position: relative; /* establish positioning context for fixed/absolute children */
  }

  #map-wrap {
    flex: 1;
    height: 100%;
    width: 100%;
  }

  #sidebar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw !important;
    height: 55vh;
    max-height: 520px;
    min-height: 280px;
    border-right: none;
    border-top: 1px solid var(--b2);
    border-radius: 16px 16px 0 0;
    z-index: 500;
    box-shadow: 0 -8px 24px rgba(0,0,0,0.12), 0 -2px 8px rgba(0,0,0,0.06);
    transform: translateY(0);
    opacity: 1 !important;
    pointer-events: auto !important;
    transition: transform 300ms var(--ease-out);
    overflow-y: auto;
  }

  /* Grabber handle at the top of the drawer */
  #sidebar::before {
    content: '';
    position: sticky;
    top: 0;
    display: block;
    width: 36px;
    height: 4px;
    margin: 8px auto 0;
    border-radius: 2px;
    background: var(--b3);
    opacity: 0.5;
  }

  #sidebar.collapsed {
    transform: translateY(calc(100% - 48px)); /* leave a strip visible with the handle */
  }

  #sidebar-header { padding-top: 4px; }
  #sidebar-collapse-btn svg { transform: rotate(-90deg); }

  /* Expand button hidden on mobile — the handle is the affordance */
  #sidebar-expand-btn { display: none !important; }

  .leaflet-top.leaflet-left { top: 16px; left: 16px; }
}