/* ═══════════════════════════════════════════════════════
   SG Bus AI — Stylesheet v3
   Full dark-mode support via [data-theme="dark"]
═══════════════════════════════════════════════════════ */

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Light theme tokens ────────────────────────────────── */
:root {
  --red:          #e63946;
  --red-dark:     #c1121f;
  --red-alpha:    rgba(230,57,70,.12);
  --blue:         #0077b6;
  --blue-mid:     #0096c7;
  --blue-alpha:   rgba(0,119,182,.12);

  --bg:           #f0f4f8;
  --bg-2:         #e8edf3;
  --surface:      #ffffff;
  --surface-2:    #f7f9fc;
  --surface-3:    #eef2f7;
  --border:       #dde3ec;
  --border-2:     #c8d0db;

  --text-1:       #111827;
  --text-2:       #4b5563;
  --text-3:       #9ca3af;
  --text-inv:     #ffffff;

  --header-bg:    #111827;
  --header-text:  #f9fafb;
  --tab-bg:       #ffffff;
  --tab-border:   #dde3ec;

  --shadow-xs:    0 1px 3px rgba(0,0,0,.06);
  --shadow-sm:    0 2px 8px rgba(0,0,0,.08);
  --shadow:       0 4px 20px rgba(0,0,0,.10);
  --shadow-lg:    0 8px 40px rgba(0,0,0,.14);

  --radius-sm:    8px;
  --radius:       14px;
  --radius-lg:    20px;
  --trans:        .18s ease;
  --font:         'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:         'SF Mono','Fira Code',monospace;

  /* Load pills */
  --sea-bg: #d1fae5; --sea-text: #065f46;
  --sda-bg: #fef3c7; --sda-text: #78350f;
  --lsd-bg: #fee2e2; --lsd-text: #7f1d1d;

  /* Chart grid */
  --chart-grid: #e5e7eb;
}

/* ── Dark theme tokens ─────────────────────────────────── */
[data-theme="dark"] {
  --bg:           #0f1117;
  --bg-2:         #161b27;
  --surface:      #1a2035;
  --surface-2:    #1f2740;
  --surface-3:    #253048;
  --border:       #2d3a52;
  --border-2:     #3a4a65;

  --text-1:       #f1f5f9;
  --text-2:       #94a3b8;
  --text-3:       #4b5a72;
  --text-inv:     #111827;

  --header-bg:    #0b0f1a;
  --tab-bg:       #1a2035;
  --tab-border:   #2d3a52;

  --shadow-xs:    0 1px 3px rgba(0,0,0,.3);
  --shadow-sm:    0 2px 8px rgba(0,0,0,.35);
  --shadow:       0 4px 20px rgba(0,0,0,.4);
  --shadow-lg:    0 8px 40px rgba(0,0,0,.5);

  --sea-bg: #052e16; --sea-text: #6ee7b7;
  --sda-bg: #1c1200; --sda-text: #fcd34d;
  --lsd-bg: #1f0505; --lsd-text: #fca5a5;

  --chart-grid: #2d3a52;
}

/* ── Base ──────────────────────────────────────────────── */
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-1);
  min-height: 100vh;
  line-height: 1.6;
  transition: background var(--trans), color var(--trans);
}
.hidden  { display: none !important; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 1rem 5rem; }

/* ── Header ────────────────────────────────────────────── */
.header {
  background: var(--header-bg);
  color: var(--header-text);
  padding: .9rem 1rem;
  position: sticky; top: 0; z-index: 200;
  box-shadow: 0 1px 0 rgba(255,255,255,.06), var(--shadow-sm);
}
.header-inner {
  max-width: 1080px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.header-brand { display: flex; align-items: center; gap: .8rem; }
.header-logo  { font-size: 2rem; line-height: 1; }
.header-title {
  font-size: 1.45rem; font-weight: 800; letter-spacing: -.5px; line-height: 1.1;
}
.ai-pill {
  background: var(--red);
  color: #fff;
  font-size: .85rem; font-weight: 700;
  padding: .1rem .4rem;
  border-radius: 6px;
  vertical-align: middle;
  letter-spacing: 0;
}
.header-sub   { font-size: .72rem; color: #64748b; margin-top: .1rem; }
.header-actions { display: flex; align-items: center; gap: .6rem; }

.model-badge {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  padding: .28rem .8rem;
  font-size: .72rem; font-weight: 500;
  color: #94a3b8;
  white-space: nowrap;
}
.model-badge.ready {
  background: rgba(16,185,129,.15);
  border-color: rgba(16,185,129,.3);
  color: #6ee7b7;
}
.theme-btn {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; cursor: pointer;
  transition: background var(--trans);
}
.theme-btn:hover { background: rgba(255,255,255,.16); }

/* ── Tabs ──────────────────────────────────────────────── */
.tabs-nav {
  background: var(--tab-bg);
  border-bottom: 1px solid var(--tab-border);
  position: sticky; top: 60px; z-index: 100;
  box-shadow: var(--shadow-xs);
  transition: background var(--trans);
}
.tabs-inner {
  max-width: 1080px; margin: 0 auto;
  display: flex; padding: 0 1rem; gap: .1rem;
}
.tab-btn {
  display: flex; align-items: center; gap: .45rem;
  padding: .8rem 1.1rem;
  border: none; background: none;
  font-family: var(--font); font-size: .875rem; font-weight: 500;
  color: var(--text-3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--trans), border-color var(--trans);
}
.tab-btn:hover  { color: var(--text-1); }
.tab-btn.active { color: var(--red); border-bottom-color: var(--red); font-weight: 600; }
.tab-btn svg    { flex-shrink: 0; }
.tab-badge {
  background: var(--red); color: #fff;
  border-radius: 10px; font-size: .62rem; font-weight: 700;
  padding: .1rem .4rem; min-width: 18px; text-align: center;
}
.tab-panel        { display: none; }
.tab-panel.active { display: block; animation: fadeIn .2s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .75rem 1.4rem;
  border: none; border-radius: var(--radius);
  font-family: var(--font); font-size: .9rem; font-weight: 600;
  cursor: pointer; transition: all var(--trans); white-space: nowrap;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover  { background: var(--red-dark); }
.btn-primary:active { transform: scale(.97); }
.btn:disabled { opacity: .38; cursor: not-allowed; pointer-events: none; }
.btn-sm { padding: .45rem .9rem; font-size: .8rem; border-radius: var(--radius-sm); }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border-2);
  color: var(--text-2);
}
.btn-outline:hover { border-color: var(--text-2); color: var(--text-1); }

.icon-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--trans); color: var(--text-2);
}
.icon-btn:hover { background: var(--text-1); color: var(--text-inv); border-color: var(--text-1); }
.fav-btn.active { color: #f59e0b; border-color: #f59e0b; background: rgba(245,158,11,.1); }

/* fav toggle button with label */
.fav-toggle-btn {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .35rem .75rem; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: var(--surface);
  font-size: .78rem; font-weight: 600; color: var(--text-2);
  cursor: pointer; transition: all var(--trans);
}
.fav-toggle-btn:hover { border-color: #f59e0b; color: #f59e0b; background: rgba(245,158,11,.08); }
.fav-toggle-btn.active { color: var(--red); border-color: var(--red); background: var(--red-alpha); }
.fav-toggle-btn.active:hover { background: rgba(230,57,70,.18); }

/* ── Monitor management ─────────────────────────────────── */
.monitor-chip {
  display: inline-flex; align-items: center; gap: .35rem;
  background: var(--surface-3); border: 1px solid var(--border);
  border-radius: 20px; padding: .28rem .6rem .28rem .85rem;
  font-size: .8rem; font-weight: 600; color: var(--text-2);
  font-family: var(--mono);
}
.mon-remove {
  background: none; border: none; cursor: pointer;
  color: var(--text-3); padding: 0 .1rem;
  font-size: .75rem; line-height: 1; transition: color var(--trans);
}
.mon-remove:hover { color: var(--red); }
.monitor-add-row {
  display: flex; gap: .5rem; align-items: center; margin-top: .75rem;
}
.mon-input {
  padding: .45rem .75rem; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: var(--surface);
  font-family: var(--mono); font-size: .85rem; color: var(--text-1);
  width: 160px; transition: border-color var(--trans);
}
.mon-input:focus { outline: none; border-color: var(--red); }

/* ── Search ────────────────────────────────────────────── */
.search-section { padding: 1.75rem 0 1rem; position: relative; }
.search-row     { display: flex; gap: .6rem; }
.search-box {
  flex: 1; display: flex; align-items: center; gap: .5rem;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 0 .85rem;
  transition: border-color var(--trans), box-shadow var(--trans);
}
.search-box:focus-within {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-alpha);
}
.search-box-icon { color: var(--text-3); flex-shrink: 0; }
.search-input {
  flex: 1; border: none; outline: none;
  font-family: var(--font); font-size: .95rem;
  padding: .8rem 0; background: none; color: var(--text-1);
}
.search-input::placeholder { color: var(--text-3); }
.search-clear {
  background: none; border: none; color: var(--text-3); cursor: pointer;
  padding: .25rem; border-radius: 5px; display: flex; align-items: center;
  transition: all var(--trans);
}
.search-clear:hover { background: var(--surface-3); color: var(--text-1); }
.search-no-results {
  font-size: .82rem; color: var(--text-3); margin-top: .5rem; padding-left: .25rem;
}

/* Autocomplete */
.autocomplete {
  position: absolute; top: calc(100% - .85rem); left: 0; right: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  z-index: 500; overflow: hidden; max-height: 300px; overflow-y: auto;
}
.ac-item {
  display: flex; align-items: center; gap: .75rem;
  padding: .75rem 1rem; cursor: pointer;
  border-bottom: 1px solid var(--surface-2);
  transition: background var(--trans);
}
.ac-item:last-child  { border-bottom: none; }
.ac-item:hover       { background: var(--surface-2); }
.ac-code {
  background: var(--text-1); color: var(--text-inv);
  font-size: .72rem; font-weight: 700; font-family: var(--mono);
  padding: .2rem .55rem; border-radius: 6px;
  min-width: 52px; text-align: center; flex-shrink: 0;
}
.ac-name { font-size: .875rem; font-weight: 600; color: var(--text-1); }
.ac-road { font-size: .75rem; color: var(--text-3); }

/* Chips */
.chips-row  { display: flex; align-items: center; gap: .45rem; flex-wrap: wrap; margin-top: .85rem; }
.chips-label { font-size: .75rem; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; }
.chip {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: .28rem .85rem;
  font-family: var(--font); font-size: .78rem; font-weight: 500;
  color: var(--text-2); cursor: pointer; transition: all var(--trans);
}
.chip:hover { background: var(--text-1); color: var(--text-inv); border-color: var(--text-1); }

/* ── Stop header ───────────────────────────────────────── */
.stop-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem 1.25rem;
  margin-bottom: 1.1rem; box-shadow: var(--shadow-xs);
}
.stop-header-left  { display: flex; align-items: center; gap: .9rem; }
.stop-header-right { display: flex; align-items: center; gap: .6rem; }
.stop-code-badge {
  background: var(--text-1); color: var(--text-inv);
  font-size: 1.05rem; font-weight: 800; font-family: var(--mono);
  padding: .45rem .9rem; border-radius: 10px; letter-spacing: .3px; flex-shrink: 0;
}
.stop-name   { font-size: .95rem; font-weight: 600; color: var(--text-1); }
.stop-road   { font-size: .78rem; color: var(--text-3); }
.last-updated { font-size: .72rem; color: var(--text-3); }

/* ── Alert ─────────────────────────────────────────────── */
.alert-error {
  background: var(--lsd-bg); border: 1px solid var(--lsd-text);
  color: var(--lsd-text); border-radius: var(--radius-sm);
  padding: .85rem 1rem; font-size: .88rem; margin-bottom: 1rem;
}
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-3); font-size: .9rem; }

/* ── Arrivals grid ─────────────────────────────────────── */
.arrivals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(288px, 1fr));
  align-items: start;
  gap: .9rem; margin-bottom: 1.1rem;
}

/* ── Service card ──────────────────────────────────────── */
.service-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: transform var(--trans), box-shadow var(--trans);
  animation: slideUp .22s ease;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}
.service-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.card-head {
  width: 100%; text-align: left; border: none; outline: none;
  padding: .85rem 1.1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem;
}
.card-head-main { flex-shrink: 0; }
.card-head-meta {
  display: flex; align-items: center; gap: .5rem; flex-wrap: nowrap;
}
.card-next {
  display: flex; align-items: baseline; gap: .2rem;
  font-size: .95rem; font-weight: 800; color: #fff;
  white-space: nowrap;
}
.card-next .cdunit { font-size: .65rem; font-weight: 600; opacity: .75; }
.expand-chevron {
  flex-shrink: 0; transition: transform .2s ease; color: rgba(255,255,255,.7);
}
.service-card:not(.collapsed) .expand-chevron { transform: rotate(180deg); }
.service-card.collapsed .bus-list { display: none; }
.card-svc-no {
  font-size: 1.9rem; font-weight: 900; letter-spacing: -.5px;
  line-height: 1; color: #fff;
}
.card-operator { font-size: .68rem; color: rgba(255,255,255,.55); margin-top: .1rem; }
.card-tags { display: flex; gap: .3rem; flex-wrap: wrap; justify-content: flex-end; align-items: center; }
.type-tag {
  background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.25);
  color: #fff; font-size: .63rem; font-weight: 700;
  padding: .15rem .45rem; border-radius: 5px;
}
.wab-tag { font-size: .85rem; }

/* Card header gradient palette */
.c0 { background: linear-gradient(135deg,#1e293b,#334155); }
.c1 { background: linear-gradient(135deg,#0c4a6e,#0284c7); }
.c2 { background: linear-gradient(135deg,#4c1d95,#7c3aed); }
.c3 { background: linear-gradient(135deg,#064e3b,#059669); }
.c4 { background: linear-gradient(135deg,#7c2d12,#ea580c); }
.c5 { background: linear-gradient(135deg,#1e3a5f,#2563eb); }
.c6 { background: linear-gradient(135deg,#701a75,#c026d3); }
.c7 { background: linear-gradient(135deg,#134e4a,#0d9488); }

/* Bus row */
.bus-list { padding: .2rem 0; }
.bus-row {
  display: grid; grid-template-columns: 26px 1fr auto;
  align-items: center; gap: .55rem;
  padding: .6rem 1.1rem;
  border-bottom: 1px solid var(--surface-2);
}
.bus-row:last-child { border-bottom: none; }
.slot-badge {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--surface-3); border: 1px solid var(--border);
  font-size: .65rem; font-weight: 700; color: var(--text-3);
  display: flex; align-items: center; justify-content: center;
}
.times { display: flex; flex-direction: column; gap: .14rem; }
.time-row { display: flex; align-items: center; gap: .35rem; font-size: .84rem; }
.time-api { color: var(--text-2); }
.time-ai  { color: var(--blue);  font-weight: 600; }
.dot {
  width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0;
}
.dot.gray { background: var(--text-3); }
.dot.blue { background: var(--blue); }

.load-pill {
  font-size: .62rem; font-weight: 700;
  padding: .1rem .38rem; border-radius: 5px; letter-spacing: .15px;
}
.load-pill.SEA { background: var(--sea-bg); color: var(--sea-text); }
.load-pill.SDA { background: var(--sda-bg); color: var(--sda-text); }
.load-pill.LSD { background: var(--lsd-bg); color: var(--lsd-text); }

.adj { font-size: .67rem; }
.adj.late  { color: #ef4444; }
.adj.early { color: #22c55e; }

.countdown { text-align: right; }
.cdval {
  font-size: 1.35rem; font-weight: 800; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.cdval.arriving { color: #22c55e; }
.cdval.soon     { color: #f59e0b; }
.cdval.later    { color: var(--text-1); }
.cdunit { font-size: .62rem; color: var(--text-3); display: block; text-align: right; }

/* Legend */
.legend {
  display: flex; flex-wrap: wrap; gap: .6rem 1.1rem;
  align-items: center; font-size: .78rem; color: var(--text-2);
  padding: .5rem 0 1rem;
}
.legend-item { display: flex; align-items: center; gap: .35rem; }
.legend-dot  { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.legend-dot.gray { background: var(--text-3); }
.legend-dot.blue { background: var(--blue); }
.legend-sep  { width: 1px; height: 16px; background: var(--border); }
.legend-text { font-size: .78rem; color: var(--text-2); margin-right: .2rem; }

/* ── Cards / Sections ──────────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-xs);
}
.section { margin-top: 1.75rem; }
.section-head {
  display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem;
}
.section-title { font-size: 1.05rem; font-weight: 700; }
.section-badge {
  background: var(--surface-3); border: 1px solid var(--border);
  color: var(--text-3); font-size: .72rem; font-weight: 600;
  padding: .2rem .6rem; border-radius: 20px;
}

/* ── Charts ────────────────────────────────────────────── */
.charts-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 1rem;
}
.chart-card  { padding: 1.25rem 1.4rem; }
.chart-wide  { grid-column: 1 / -1; }
.chart-card-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem; margin-bottom: 1.1rem;
}
.chart-card-title {
  font-size: .9rem; font-weight: 700; color: var(--text-1);
  white-space: nowrap; min-width: 0;
}
.chart-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .68rem; font-weight: 600; color: var(--text-3);
  background: var(--surface-3); border: 1px solid var(--border);
  padding: .2rem .65rem; border-radius: 20px;
  white-space: nowrap; flex-shrink: 0;
}
.bdot {
  display: inline-block; width: 7px; height: 7px;
  border-radius: 50%; flex-shrink: 0;
}
.chart-wrap  { position: relative; height: 210px; }
.chart-tall  { height: 250px; }
.chart-wrap canvas { cursor: crosshair; }

/* ── Explainer ─────────────────────────────────────────── */
.explainer {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-xs);
}
.explainer-summary {
  display: flex; align-items: center; gap: .6rem;
  padding: 1rem 1.25rem; cursor: pointer; list-style: none;
  font-weight: 600; font-size: .9rem;
  background: var(--surface-2); user-select: none;
}
.explainer-summary::marker, .explainer-summary::-webkit-details-marker { display: none; }
.explainer-summary::after {
  content: "›"; margin-left: auto; font-size: 1.1rem; color: var(--text-3);
  transition: transform .2s;
}
details[open] .explainer-summary::after { transform: rotate(90deg); }
details[open] .explainer-summary { border-bottom: 1px solid var(--border); }
.explainer-icon { font-size: 1.1rem; }
.explainer-body { padding: 1.25rem; font-size: .875rem; color: var(--text-2); }
.explainer-body p  { margin-bottom: .75rem; }
.explainer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin: 1rem 0; }
.explainer-grid h4 { font-size: .83rem; color: var(--red); margin-bottom: .4rem; font-weight: 600; }
.explainer-grid ul { margin-left: 1.1rem; }
.explainer-grid li { margin-bottom: .25rem; }
.explainer-grid p  { margin-bottom: .5rem; }
.explainer-grid code {
  background: var(--surface-3); border: 1px solid var(--border);
  border-radius: 4px; padding: .1rem .4rem;
  font-family: var(--mono); font-size: .82em;
}
.model-detail-box {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: .85rem 1rem;
  font-size: .8rem; color: var(--text-2); line-height: 1.8; margin-top: 1rem;
}

/* ── Favourites ────────────────────────────────────────── */
.page-head { padding: 1.75rem 0 1.25rem; }
.page-head h2 { font-size: 1.3rem; font-weight: 700; }
.page-head p  { font-size: .85rem; color: var(--text-3); margin-top: .2rem; }

/* ── Quick-favs on search page ──────────────────────────── */
.quick-favs {
  margin-bottom: 1.25rem;
}
.quick-favs-head {
  margin-bottom: .5rem;
}
.quick-favs-label {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--text-3);
}
.quick-favs-label svg { color: #f59e0b; fill: #f59e0b; }
.quick-favs-list {
  display: flex; flex-wrap: wrap; gap: .5rem;
}
.qfav-chip {
  display: flex; align-items: center; gap: .45rem;
  padding: .4rem .75rem; border-radius: 999px;
  background: var(--surface); border: 1.5px solid var(--border);
  cursor: pointer; transition: all var(--trans);
  max-width: 200px;
}
.qfav-chip:hover { border-color: var(--red); background: var(--red-alpha); }
.qfav-code {
  font-family: var(--mono); font-size: .78rem; font-weight: 800;
  color: var(--text-1); white-space: nowrap;
}
.qfav-name {
  font-size: .75rem; color: var(--text-2); white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; max-width: 120px;
}

.fav-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: .9rem;
}
.fav-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem 1.1rem;
  display: flex; align-items: center; gap: .85rem;
  cursor: pointer; position: relative;
  box-shadow: var(--shadow-xs);
  transition: all var(--trans); animation: slideUp .2s ease;
}
.fav-card:hover { border-color: var(--red); box-shadow: var(--shadow); transform: translateY(-2px); }
.fav-code {
  background: var(--text-1); color: var(--text-inv);
  font-family: var(--mono); font-size: .9rem; font-weight: 800;
  padding: .55rem .75rem; border-radius: 9px; flex-shrink: 0; text-align: center;
}
.fav-info { flex: 1; overflow: hidden; }
.fav-name {
  font-size: .875rem; font-weight: 600; color: var(--text-1);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.fav-road { font-size: .75rem; color: var(--text-3); }
.fav-remove {
  position: absolute; top: .5rem; right: .5rem;
  background: none; border: none; color: var(--text-3);
  cursor: pointer; padding: .2rem .3rem; border-radius: 5px;
  font-size: .75rem; opacity: 0; transition: all var(--trans);
}
.fav-card:hover .fav-remove { opacity: 1; }
.fav-remove:hover { background: var(--lsd-bg); color: var(--red); }

/* ── Data tab ──────────────────────────────────────────── */
.data-stats-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(170px,1fr)); gap: .9rem;
  margin-bottom: 1rem;
}
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow-xs);
}
.stat-label { font-size: .72rem; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .35rem; }
.stat-value { font-size: 1.75rem; font-weight: 800; color: var(--text-1); line-height: 1; font-variant-numeric: tabular-nums; }
.stat-sub   { font-size: .72rem; color: var(--text-3); margin-top: .3rem; }
.stat-ok    { color: #22c55e; }
.stat-warn  { color: #f59e0b; }

.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
.data-table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.data-table th {
  background: var(--surface-2); padding: .65rem 1rem;
  text-align: left; font-weight: 600; font-size: .75rem;
  color: var(--text-3); text-transform: uppercase; letter-spacing: .05em;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
.data-table td {
  padding: .6rem 1rem; border-bottom: 1px solid var(--surface-2);
  color: var(--text-2); font-family: var(--mono); font-size: .8rem;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--surface-2); }
.delay-pos { color: #ef4444; font-weight: 600; }
.delay-neg { color: #22c55e; font-weight: 600; }
.delay-nil { color: var(--text-3); }

/* ── Loading ───────────────────────────────────────────── */
.loading-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; z-index: 999;
}
.loading-card {
  background: var(--surface); border-radius: var(--radius);
  padding: 2rem 2.5rem; display: flex; flex-direction: column;
  align-items: center; gap: 1rem; box-shadow: var(--shadow-lg);
  font-size: .9rem; color: var(--text-2); font-weight: 500;
}
.spinner {
  width: 38px; height: 38px;
  border: 3px solid var(--border);
  border-top-color: var(--red);
  border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 640px) {
  .header-sub, .model-badge { display: none; }
  .header-title { font-size: 1.2rem; }
  .arrivals-grid, .charts-grid, .fav-grid,
  .data-stats-grid { grid-template-columns: 1fr; }
  .chart-wide    { grid-column: auto; }
  .explainer-grid { grid-template-columns: 1fr; }
  .stop-header   { flex-direction: column; align-items: flex-start; }
  .stop-header-right { width: 100%; justify-content: flex-end; }
  .tab-btn       { padding: .7rem .75rem; font-size: .8rem; }
  .tabs-inner    { gap: 0; }
}