:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #fafbfc;
  --text: #1d2433;
  --text-2: #5a6573;
  --text-3: #8a93a6;
  --text-4: #b4bac5;
  --line: #e6e8ec;
  --line-2: #d6dae1;

  --service-bg: #a63232;       /* burgundy accent — service-number blocks, Go button, brand mark */
  --service-fg: #ffffff;
  --accent: #1f6feb;            /* link/highlight blue */

  --load-sea: #2bb673;          /* seats available — green */
  --load-sda: #f0a830;          /* standing available — amber */
  --load-lsd: #e15454;          /* limited standing — red */
  --load-na:  #c9cdd4;          /* unknown / no data */

  --shadow-sm: 0 1px 2px rgba(20, 30, 50, 0.04);
  --shadow-md: 0 1px 3px rgba(20, 30, 50, 0.06), 0 1px 2px rgba(20, 30, 50, 0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}
body {
  /* Prevent horizontal scrolling on small viewports */
  overflow-x: hidden;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

/* ------------------------------------------------------------ */
/* Header                                                        */
/* ------------------------------------------------------------ */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}
.brand {
  display: flex; align-items: center; gap: 12px;
}
.brand-mark {
  width: 36px; height: 36px;
  flex: 0 0 36px;
  background: var(--service-bg);
  color: #fff;
  display: grid; place-items: center;
  border-radius: 8px;
  aspect-ratio: 1 / 1;
}
.brand-text { line-height: 1.15; min-width: 0; }
.brand-title {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.01em;
  line-height: 1.25;
}
.brand-sub {
  font-size: 11px;
  color: var(--text-3);
  margin-top: 2px;
  letter-spacing: 0.04em;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.topbar-right .status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-4);
  transition: background 0.2s, box-shadow 0.2s;
  cursor: help;
}
.topbar-right .status-dot.live     { background: var(--load-sea); box-shadow: 0 0 0 3px rgba(43,182,115,0.15); }
.topbar-right .status-dot.fetching { background: var(--load-sda); }
.topbar-right .status-dot.error    { background: var(--load-lsd); box-shadow: 0 0 0 3px rgba(225,84,84,0.15); }

.info-btn {
  background: var(--surface);
  border: 1px solid var(--line-2);
  cursor: pointer;
  color: var(--text-2);
  width: 32px; height: 32px;
  padding: 0;
  display: grid; place-items: center;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.info-btn:hover {
  color: var(--text);
  background: var(--surface-2);
  border-color: var(--text-4);
}
.info-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.info-btn svg { display: block; }

/* ------------------------------------------------------------ */
/* Modal                                                         */
/* ------------------------------------------------------------ */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(15, 20, 30, 0.5);
  display: grid; place-items: center;
  padding: 16px;
  z-index: 100;
  animation: fadeIn 0.15s ease-out;
}
.modal-backdrop[hidden] { display: none; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(15, 20, 30, 0.25), 0 4px 12px rgba(15, 20, 30, 0.1);
  max-width: 520px;
  width: 100%;
  max-height: calc(100dvh - 32px);
  overflow-y: auto;
  padding: 28px 28px 24px;
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.6;
  animation: slideUp 0.2s ease-out;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-3);
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 6px;
  padding: 0;
  transition: color 0.15s, background 0.15s;
}
.modal-close:hover { color: var(--text); background: var(--surface-2); }
.modal-close svg { display: block; }

.modal-title {
  margin: 0 32px 14px 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}
.modal p { margin: 0 0 12px; }
.modal a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 235, 0.3);
  transition: border-color 0.15s;
}
.modal a:hover { border-bottom-color: var(--accent); }
.modal em { font-style: italic; color: var(--text); font-weight: 500; }
.modal strong { color: var(--text); font-weight: 700; }
.modal-disclaimer {
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.55;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.modal-credit {
  margin-top: 16px;
  font-size: 14px;
}
.modal-credit a {
  color: var(--accent);
  border-bottom: 1px solid rgba(31, 111, 235, 0.3);
}
.modal-credit strong { color: var(--accent); font-weight: 700; }
.clock {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-2);
  letter-spacing: 0.02em;
}

/* ------------------------------------------------------------ */
/* Search                                                        */
/* ------------------------------------------------------------ */
.search {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}
.search-label {
  display: block;
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
  font-weight: 600;
}
.search-row { display: flex; gap: 8px; }
#stop-input {
  flex: 1;
  min-width: 0;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  color: var(--text);
  font: inherit;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 10px 14px;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}
#stop-input::placeholder { color: var(--text-4); font-weight: 500; }
#stop-input:focus { border-color: var(--accent); background: #fff; }

#search-form button {
  background: var(--service-bg);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0 22px;
  cursor: pointer;
  transition: filter 0.15s, transform 0.08s;
}
#search-form button:hover { filter: brightness(0.92); }
#search-form button:active { transform: scale(0.97); }
.hints { margin-top: 8px; font-size: 12px; color: var(--text-3); }
.hints .err { color: var(--load-lsd); }

/* ------------------------------------------------------------ */
/* Stop card (one per bus stop)                                  */
/* ------------------------------------------------------------ */
#stops-container {
  display: flex; flex-direction: column;
  gap: 18px;
  margin-bottom: 18px;
}

.stop-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: opacity 0.2s, box-shadow 0.2s;
}
.stop-card.dragging { opacity: 0.4; }
.stop-card.drag-over-top { box-shadow: 0 -3px 0 var(--accent), var(--shadow-sm); }
.stop-card.drag-over-bottom { box-shadow: 0 3px 0 var(--accent), var(--shadow-sm); }

.stop-info {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 14px 14px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}
.stop-info.hidden { display: none; }

.stop-grip {
  color: var(--text-4);
  cursor: grab;
  width: 22px; height: 22px;
  flex: 0 0 22px;
  display: grid; place-items: center;
  border-radius: 4px;
  user-select: none;
  transition: color 0.15s, background 0.15s;
}
.stop-grip:hover { color: var(--text-2); background: var(--surface); }
.stop-grip:active { cursor: grabbing; }
.stop-grip svg { display: block; }

.stop-meta { min-width: 0; }
.stop-name {
  font-weight: 600;
  font-size: 17px;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.stop-sub {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.stop-sub .stop-code-pill {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
  color: var(--text-2);
  margin-right: 6px;
  font-variant-numeric: tabular-nums;
}

.stop-actions {
  display: flex; align-items: center; gap: 4px;
}
.stop-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-3);
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
  padding: 0;
}
.stop-close:hover { color: var(--load-lsd); background: rgba(225,84,84,0.08); }
.stop-close svg { display: block; }

.stop-error {
  font-size: 12px;
  color: var(--load-lsd);
  padding: 8px 14px;
  background: rgba(225,84,84,0.06);
  border-bottom: 1px solid var(--line);
}

/* The board lives INSIDE the stop card now — service rows become inset child rows */
.stop-card .board {
  display: flex; flex-direction: column;
}
.stop-card .board .service-row {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
  padding: 12px 14px;
}
.stop-card .board .service-row:last-child {
  border-bottom: none;
}
.stop-card .board .empty-state {
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  padding: 24px 16px;
}

/* ------------------------------------------------------------ */
/* Service rows                                                  */
/* ------------------------------------------------------------ */
.board { display: flex; flex-direction: column; gap: 10px; }

.service-row {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 14px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: stretch;
  box-shadow: var(--shadow-sm);
}

/* Left block: service number */
.service-left {
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 4px;
}
.service-num {
  background: var(--service-bg);
  color: var(--service-fg);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  border-radius: 8px;
  min-width: 64px;
  height: 40px;
  display: grid; place-items: center;
  padding: 0 8px;
  font-variant-numeric: tabular-nums;
}

/* Right block: arrivals row */
.service-body { display: flex; flex-direction: column; min-width: 0; }
.route {
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.02em;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.route .arrow { color: var(--text-4); margin: 0 4px; }
.route .op {
  color: var(--text-2);
  font-weight: 600;
  margin-right: 6px;
}

.arrivals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

/* Each arrival cell */
.arrival {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 10px;
  align-items: center;
  padding: 4px 12px;
  border-right: 1px solid var(--line);
  position: relative;
  min-height: 56px;
}
.arrival:last-child { border-right: none; }
.arrival.empty { opacity: 0.35; }

.eta-time-box {
  display: flex; flex-direction: column; align-items: flex-start;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  gap: 3px;
}
.eta-time {
  font-weight: 700;
  font-size: 22px;
  color: var(--text);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.eta-time .eta-min-num,
.eta-time .eta-sec-num { font-weight: 700; }
.eta-time .eta-unit-inline {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  margin-left: 1px;
}
.eta-time .eta-unit-inline.with-gap {
  margin-right: 4px;
}
.eta-time.gone { color: var(--load-lsd); }
.eta-time.gone .eta-unit-inline { color: var(--load-lsd); }

.eta-suffix {
  font-size: 11px;
  color: var(--text-3);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.eta-suffix.gone { color: var(--load-lsd); }

.eta-abs {
  font-size: 10px;
  color: var(--text-3);
  font-weight: 500;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

/* Right side of arrival cell — bus icon stacked over load bar over wheelchair */
.eta-icons {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.bus-icon {
  display: grid; place-items: center;
  color: var(--text-2);
  height: 30px;
}
.bus-icon.dd { height: 36px; }
.bus-icon svg { display: block; height: 100%; width: auto; max-width: 44px; }

.load-bar {
  width: 28px; height: 3px; border-radius: 2px;
  background: var(--load-na);
}
.load-bar.sea { background: var(--load-sea); }
.load-bar.sda { background: var(--load-sda); }
.load-bar.lsd { background: var(--load-lsd); }

.meta-icons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 14px;
}

.wab-icon {
  color: var(--text-3);
  height: 14px;
  display: none;
}
.wab-icon.show { display: block; }
.wab-icon svg { display: block; height: 100%; width: auto; }

.sched-icon {
  color: var(--load-sda);
  height: 14px;
  display: none;
}
.sched-icon.show { display: block; }
.sched-icon svg { display: block; height: 100%; width: auto; }

/* ------------------------------------------------------------ */
/* Empty state                                                   */
/* ------------------------------------------------------------ */
.empty-state {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 32px 16px;
  text-align: center;
  color: var(--text-3);
  font-size: 14px;
  box-shadow: var(--shadow-sm);
}

/* ------------------------------------------------------------ */
/* Legend                                                        */
/* ------------------------------------------------------------ */
.legend {
  margin-top: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}
.legend-title {
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
  font-weight: 600;
}
.legend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px 16px;
  font-size: 12px;
  color: var(--text-2);
}
/* SD always starts a new row so load-colors stay grouped on their own line. */
.legend-grid #legend-sd {
  grid-column: 1;
}
/* When the Scheduled legend item is visible, force Wheelchair onto its own row
   (column 1) so they end up side-by-side on the same line. */
.legend-grid.scheduled-visible #legend-wab {
  grid-column: 1;
}
.legend-item { display: flex; align-items: center; gap: 8px; }
.legend-item .load-bar { width: 20px; }
.legend-item .bus-icon { height: 24px; color: var(--text-2); }
.legend-item .bus-icon.dd { height: 28px; }

/* Mobile */
@media (max-width: 560px) {
  .app { padding: 16px 10px 40px; }

  /* Topbar: allow title to wrap, keep clock/dot from getting cramped */
  .topbar { padding: 12px 14px; }
  .topbar-right { gap: 10px; }
  .clock { font-size: 14px; }

  /* Stop info: tighter padding */
  .stop-info { padding: 12px; gap: 10px; }
  .stop-name { font-size: 16px; }
  .stop-grip { width: 18px; height: 18px; flex-basis: 18px; }

  /* Service rows: tighter padding */
  .stop-card .board .service-row { padding: 10px 12px; }
  .service-row { grid-template-columns: 48px 1fr; gap: 10px; }
  .service-num { min-width: 44px; height: 36px; font-size: 15px; }

  /* Arrivals: stack vertically so the big ETA + icons aren't cramped */
  .arrivals { grid-template-columns: 1fr; gap: 0; }
  .arrival {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 8px 6px;
    grid-template-columns: 1fr auto;
  }
  .arrival:last-child { border-bottom: none; }
  .eta-time { font-size: 20px; }

  /* Legend: 2 columns on phone */
  .legend-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 380px) {
  /* Very narrow phones: even tighter */
  .topbar { padding: 10px 12px; }
  .brand { gap: 8px; }
  .stop-info { padding: 10px; }
  .stop-name { font-size: 15px; }
  .legend-grid { grid-template-columns: 1fr; }
}

@media (max-width: 340px) {
  /* Ultra-narrow: stack the topbar so the title gets full width */
  .topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .topbar-right {
    justify-content: flex-end;
    border-top: 1px solid var(--line);
    padding-top: 8px;
  }
}