:root {
  --red: #a7a7a7;
  --text: #37474f;
  --eta: #2b8ebf;
  --line: #d0d5d9;
  --bg: #f2f4f6;
  --surface: #ffffff;
  --soft: #6b7780;
  --border: #e4e8ec;
  --border-strong: #d7dde3;
  --input-bg: #fafbfc;
  --surface-muted: #fafbfc;
  --surface-hover: #eef6fb;
  --surface-accent: #eef7fc;
  --danger-bg: #fff5f5;
  --danger-text: #b42318;
  --shadow: rgba(20, 32, 48, 0.16);
  --backdrop: rgba(16, 24, 40, 0.45);
  --font-ui: "Noto Sans TC", "PingFang HK", "Microsoft JhengHei", sans-serif;
  --font-num: "Barlow Condensed", "Noto Sans TC", sans-serif;
  /* 巴士公司品牌色（站頭底＋左邊色條） */
  --co-kmb: #e30613;
  --co-ctb: #ffd100;
  --co-ctb-ink: #1a1a1a;
  --co-gmb: #1b8a3e;
  /* 行高密度（由右上角 menu 調整） */
  --row-min-h: 44px;
  --row-pad-y: 4px;
  --row-pad-x: 10px;
  --banner-min-h: 40px;
  --banner-pad-y: 6px;
  --route-no-size: 1.3rem;
  --dest-size: 0.95rem;
  --stop-size: 0.825rem;
  --eta-size: 1.25rem;
  --eta-text-size: 0.85rem;
  --eta-unit-size: 0.58rem;
  --fade: 0.22s;
  --fade-fast: 0.16s;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --fade: 0.01s;
    --fade-fast: 0.01s;
  }
}

html[data-theme="dark"] {
  --red: #8a9099;
  --text: #e4e9ef;
  --eta: #5eb8e8;
  --line: #3a4554;
  --bg: #121820;
  --surface: #1a2332;
  --soft: #9aa8b8;
  --border: #2d3848;
  --border-strong: #3a4554;
  --input-bg: #222d3d;
  --surface-muted: #1e2836;
  --surface-hover: #243044;
  --surface-accent: #1e3344;
  --danger-bg: #3d2020;
  --danger-text: #f87171;
  --shadow: rgba(0, 0, 0, 0.4);
  --backdrop: rgba(0, 0, 0, 0.65);
}

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

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--fade) ease, color var(--fade) ease;
}

button,
input {
  font: inherit;
}

.app {
  width: min(100%, 1840px);
  margin: 0 auto;
  padding: 18px 20px 40px;
}

.app[hidden],
.user-gate[hidden] {
  display: none !important;
}

.user-gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
}

.user-gate__card {
  width: min(100%, 440px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 16px 40px var(--shadow);
  padding: 22px 18px 18px;
}

.user-gate__brand {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.user-gate__lead {
  margin: 6px 0 16px;
  color: var(--soft);
  font-size: 0.9rem;
  line-height: 1.4;
}

.user-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
  max-height: min(45vh, 360px);
  overflow: auto;
}

.user-list__empty {
  padding: 16px 10px;
  text-align: center;
  color: var(--soft);
  font-size: 0.9rem;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
}

.user-list__item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.user-list__enter {
  border: 1px solid var(--border);
  background: var(--surface-muted);
  border-radius: 12px;
  padding: 12px 14px;
  text-align: left;
  cursor: pointer;
  font-weight: 800;
  font-size: 1.05rem;
}

.user-list__enter:hover {
  background: var(--surface-hover);
  border-color: #c5d9ea;
}

.user-list__enter.is-current {
  border-color: var(--eta);
  box-shadow: inset 3px 0 0 var(--eta);
}

.user-list__meta {
  display: block;
  margin-top: 2px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--soft);
}

.user-list__delete {
  border: 1px solid #f3d0cd;
  background: var(--danger-bg);
  color: var(--danger-text);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.user-create {
  border-top: 1px solid #e8ecf0;
  padding-top: 14px;
}

.user-create__btn {
  width: 100%;
  margin-top: 4px;
}

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: min(42vw, 180px);
  border: 2px solid var(--eta);
  background: #eef7fc;
  color: var(--text);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  font-weight: 800;
  line-height: 1.1;
  transition:
    background-color var(--fade-fast) ease,
    border-color var(--fade-fast) ease,
    color var(--fade-fast) ease,
    transform 0.15s ease;
}

.user-chip:hover {
  background: #dff0fa;
}

.user-chip__label {
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 700;
  color: #fff;
  background: var(--eta);
  border-radius: 999px;
  padding: 2px 6px;
  letter-spacing: 0.02em;
}

.user-chip__name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.92rem;
  color: var(--eta);
}

.menu__divider {
  height: 1px;
  background: #e8ecf0;
  margin: 14px 0 12px;
}

.menu__user-now {
  margin: 0 0 8px;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--eta);
}

.menu__btn {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
}

.user-list__badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--eta);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  vertical-align: middle;
}

.topbar {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  margin-bottom: 18px;
}

.brand {
  margin: 0;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.live-clock {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.updated {
  margin: 4px 0 0;
  color: var(--soft);
  font-size: 0.82rem;
}

.sync-badge {
  margin: 4px 0 0;
  color: #166534;
  font-size: 0.78rem;
  font-weight: 700;
}

.sync-badge--gate {
  margin: 0 0 12px;
  text-align: center;
}

html[data-theme="dark"] .sync-badge {
  color: #86efac;
}

.topbar__hint {
  margin: 2px 0 0;
  color: var(--soft);
  font-size: 0.78rem;
}

.topbar__actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  align-items: center;
  flex-wrap: wrap;
}

.btn--icon {
  width: 40px;
  padding-left: 0;
  padding-right: 0;
  font-size: 1.1rem;
  line-height: 1;
}

#btn-menu.btn--ghost {
  border: 0;
  background: transparent;
}

.menu {
  position: relative;
}

.menu__panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 40;
  width: min(280px, calc(100vw - 28px));
  padding: 12px 14px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 12px 28px var(--shadow);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
  transition:
    opacity var(--fade) ease,
    transform var(--fade) ease,
    visibility var(--fade) ease,
    background-color var(--fade) ease,
    border-color var(--fade) ease;
}

.menu__panel.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.menu__panel[hidden] {
  display: none !important;
}

body.menu-open {
  overflow: hidden;
}

.menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 35;
  background: rgba(15, 20, 28, 0.48);
  border: 0;
  padding: 0;
  margin: 0;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--fade) ease,
    visibility var(--fade) ease;
}

.menu-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.menu-backdrop[hidden] {
  display: none !important;
}

body.menu-open #app-menu {
  z-index: 40;
}

.menu__title {
  margin: 0 0 10px;
  font-size: 0.92rem;
  font-weight: 800;
}

.menu__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.menu__head .menu__title {
  margin: 0;
}

.menu__close {
  flex-shrink: 0;
}

.menu__field {
  display: grid;
  gap: 8px;
}

.menu__label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.menu__label strong {
  color: var(--eta);
  font-size: 0.82rem;
}

.menu__field input[type="range"] {
  width: 100%;
  accent-color: var(--red);
}

.menu__hint {
  font-size: 0.72rem;
  color: var(--soft);
  font-weight: 500;
}

.menu__select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.menu__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  cursor: pointer;
}

.menu__toggle input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--eta);
  cursor: pointer;
}

.menu__btn {
  width: 100%;
  margin-top: 6px;
}

.status-banner {
  margin: 0 0 12px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.4;
  opacity: 0;
  transform: translateY(-4px);
  transition:
    opacity var(--fade-fast) ease,
    transform var(--fade-fast) ease;
}

.status-banner.is-open {
  opacity: 1;
  transform: translateY(0);
}

.status-banner[hidden] {
  display: none !important;
}

.status-banner--offline {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

.status-banner--error {
  background: var(--danger-bg);
  color: var(--danger-text);
  border: 1px solid var(--danger-text);
}

.status-banner--ok {
  background: #e8f6ee;
  color: #166534;
  border: 1px solid #86efac;
}

html[data-theme="dark"] .status-banner--ok {
  background: #1a3324;
  color: #86efac;
  border-color: #166534;
}

html[data-theme="dark"] .status-banner--offline {
  background: #3d3418;
  color: #fcd34d;
  border-color: #854d0e;
}

.route-search {
  margin: 0 0 16px;
  max-width: 520px;
}

.route-search__label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--soft);
}

.route-search__box {
  position: relative;
}

.route-search__input {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 0.8rem 2.4rem 0.8rem 0.95rem;
  background: var(--surface);
  outline: none;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.route-search__input:focus {
  border-color: #9dc0e4;
  box-shadow: 0 0 0 3px rgba(43, 142, 191, 0.15);
}

.route-search__clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #eef1f4;
  color: var(--text);
  cursor: pointer;
  z-index: 2;
  transition: opacity var(--fade-fast) ease, background-color var(--fade-fast) ease;
}

.route-search__suggest {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  z-index: 20;
  margin: 0;
  padding: 4px 0;
  list-style: none;
  background: #fff;
  border: 1px solid #e4e8ec;
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(20, 32, 48, 0.14);
  max-height: min(50vh, 360px);
  overflow: auto;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
  transition:
    opacity var(--fade-fast) ease,
    transform var(--fade-fast) ease,
    visibility var(--fade-fast) ease;
}

.route-search__suggest.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.route-search__suggest[hidden] {
  display: none !important;
}

.route-search__suggest li button {
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
  padding: 10px 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.route-search__suggest li button:hover,
.route-search__suggest li button.is-active {
  background: #eef6fb;
}

.route-search__no {
  font-family: var(--font-num);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
}

.route-search__dest {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--soft);
  line-height: 1.3;
}

.route-search__co {
  font-size: 0.72rem;
  color: var(--soft);
  margin-top: 1px;
}

.route-search__empty {
  padding: 12px 14px;
  color: var(--soft);
  font-size: 0.88rem;
}

.route-row.is-match {
  background: #f0f8fd;
}

.route-row.is-dimmed {
  opacity: 0.28;
}

.boards.is-filtering .board:not(.has-match) {
  opacity: 0.45;
}

.route-search__section-label {
  padding: 8px 14px 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--soft);
  letter-spacing: 0.04em;
}

/* 搜尋暫時預覽 */
.search-preview {
  position: fixed;
  inset: 12px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e4e8ec;
  border-radius: 14px;
  box-shadow: 0 18px 48px rgba(20, 32, 48, 0.22);
  overflow: hidden;
  max-width: 720px;
  margin: 0 auto;
  width: min(720px, calc(100% - 24px));
  left: 50%;
  right: auto;
  max-height: calc(100vh - 24px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(10px) scale(0.985);
  transition:
    opacity var(--fade) ease,
    transform var(--fade) ease,
    visibility var(--fade) ease;
}

.search-preview.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0) scale(1);
}

.search-preview[hidden] {
  display: none !important;
}

.search-preview__head {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 64px;
  padding: 10px 48px 10px 16px;
  background: var(--red);
  color: #fff;
}

.search-preview__titles {
  text-align: center;
  min-width: 0;
}

.search-preview__route {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1;
}

.search-preview__dest {
  margin: 3px 0 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.search-preview__meta {
  margin: 2px 0 0;
  font-size: 0.72rem;
  opacity: 0.9;
}

.search-preview__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  font-size: 1.05rem;
  cursor: pointer;
}

.search-preview__close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.search-preview__body {
  overflow: auto;
  flex: 1;
  background: #fff;
}

.preview-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 8px 14px;
  border-bottom: 1px solid var(--line);
  min-height: 52px;
}

.preview-row:last-child {
  border-bottom: 0;
}

.preview-stop {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.2;
}

.preview-stop-link {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.preview-stop-link:hover,
.preview-map-hint:hover {
  color: var(--eta);
}

.preview-map-hint {
  color: var(--soft);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.preview-row--here {
  background: #eef7fc;
  box-shadow: inset 3px 0 0 var(--eta);
}

.preview-here-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--eta);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  vertical-align: middle;
}

.preview-dist {
  margin: 1px 0 0;
  color: var(--soft);
  font-size: 0.825rem;
}

.preview-eta {
  text-align: right;
  min-width: 3rem;
}

.preview-eta--loading .eta-sub {
  color: var(--soft);
  opacity: 0.75;
}

body.preview-open {
  overflow: hidden;
}

.boards,
.topbar,
.route-search {
  transition: filter var(--fade) ease, opacity var(--fade) ease;
}

body.preview-open .boards,
body.preview-open .topbar,
body.preview-open .route-search {
  filter: blur(1px);
  opacity: 0.72;
  pointer-events: none;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9rem;
  transition:
    transform 0.15s ease,
    opacity 0.15s ease,
    background-color var(--fade-fast) ease,
    color var(--fade-fast) ease,
    border-color var(--fade-fast) ease,
    box-shadow var(--fade-fast) ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--red);
  color: #fff;
}

.btn--ghost {
  background: #fff;
  color: var(--text);
  border: 1px solid #d7dde3;
}

.btn--locate.is-located {
  border-color: #86efac;
  color: #166534;
  background: #e8f6ee;
}

.btn--locate.is-fallback {
  border-color: #fcd34d;
  color: #92400e;
  background: #fef3c7;
}

.btn--locate.is-locating {
  opacity: 0.72;
  cursor: wait;
}

html[data-theme="dark"] .btn--locate.is-located {
  background: #1a3324;
  color: #86efac;
  border-color: #166534;
}

html[data-theme="dark"] .btn--locate.is-fallback {
  background: #3d3418;
  color: #fcd34d;
  border-color: #854d0e;
}

/* 三欄站牌面板 */
.boards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.board {
  background: var(--surface);
  border: 1px solid #e4e8ec;
  min-width: 0;
  transition:
    box-shadow 0.18s ease,
    transform 0.18s ease,
    outline 0.12s ease,
    background-color var(--fade) ease,
    border-color var(--fade) ease,
    opacity var(--fade-fast) ease;
  outline: 2px solid transparent;
}

.board.is-dragging {
  opacity: 0.45;
}

.board.is-drop-target {
  outline-color: var(--eta);
  box-shadow: 0 0 0 3px rgba(43, 142, 191, 0.2);
}

.board__banner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--banner-min-h);
  padding: var(--banner-pad-y) 72px;
  background: var(--co-kmb);
  color: #fff;
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.board__banner--kmb {
  background: var(--co-kmb);
  color: #fff;
}

.board__banner--ctb {
  background: var(--co-ctb);
  color: var(--co-ctb-ink);
}

.board__banner--gmb {
  background: var(--co-gmb);
  color: #fff;
}

.board__banner--ctb .board__tool {
  background: rgba(0, 0, 0, 0.12);
  color: var(--co-ctb-ink);
}

.board__banner--ctb .board__tool:hover {
  background: rgba(0, 0, 0, 0.2);
}

.board__banner:active {
  cursor: grabbing;
}

.board__title {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(1.15rem, 1.5vw, 1.55rem);
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.board__tools {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 4px;
}

.board__tools--left {
  right: auto;
  left: 8px;
}

.board--collapsed .board__body {
  display: none;
}

.board__side-tag {
  display: block;
  margin-top: 2px;
  font-size: 0.68rem;
  font-weight: 600;
  opacity: 0.9;
  letter-spacing: 0;
}

.board__tool {
  border: 0;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
}

.board__tool:hover {
  background: rgba(255, 255, 255, 0.28);
}

.board__tool--danger:hover {
  background: rgba(0, 0, 0, 0.25);
}

.route-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.route-row {
  display: grid;
  grid-template-columns: 1.4rem minmax(2.2rem, 3rem) 1fr auto;
  gap: 2px 4px;
  align-items: center;
  min-height: var(--row-min-h);
  padding: var(--row-pad-y) var(--row-pad-x);
  border-bottom: 1px solid var(--line);
}

.route-row:last-child {
  border-bottom: 0;
}

.route-row--co-kmb {
  box-shadow: inset 3px 0 0 var(--co-kmb);
}

.route-row--co-ctb {
  box-shadow: inset 3px 0 0 var(--co-ctb);
}

.route-row--co-gmb {
  box-shadow: inset 3px 0 0 var(--co-gmb);
}

.route-fav {
  appearance: none;
  border: 0;
  background: transparent;
  color: #c5ccd3;
  font-size: 0.95rem;
  line-height: 1;
  padding: 4px 0;
  cursor: pointer;
  min-width: 28px;
  min-height: 28px;
}

.route-fav.is-on,
.route-row--fav .route-fav {
  color: #e6a817;
}

.route-fav:hover {
  color: #d4a017;
}

.route-co {
  margin-left: 0.35rem;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--soft);
  vertical-align: middle;
}

.route-row--clickable {
  cursor: pointer;
  transition: background 0.12s ease;
}

.route-row--clickable:hover {
  background: var(--surface-hover);
}

.route-row--clickable:active {
  background: var(--surface-accent);
}

.route-no {
  font-family: var(--font-num);
  font-size: var(--route-no-size);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.route-mid {
  min-width: 0;
  padding-top: 0;
}

.route-dest {
  margin: 0;
  font-size: var(--dest-size);
  font-weight: 800;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.route-dest .to {
  font-size: 0.72em;
  font-weight: 500;
  margin-right: 0.2em;
}

.route-stop {
  margin: 0;
  color: var(--text);
  font-size: var(--stop-size);
  font-weight: 400;
  opacity: 0.9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.route-fare {
  margin-left: 0.45rem;
  color: var(--soft);
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 1.02em;
  letter-spacing: 0.01em;
}

.route-right {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: flex-end;
}

/* icon 固定大小，唔跟密度一齊變 */
.route-icon {
  width: 16px;
  height: 20px;
  object-fit: contain;
  opacity: 0.9;
  flex-shrink: 0;
}

.route-icon--ruler {
  width: 12px;
  height: 20px;
}

.route-eta {
  text-align: right;
  min-width: 2rem;
}

.eta-num {
  display: block;
  font-family: var(--font-num);
  color: var(--eta);
  font-size: var(--eta-size);
  font-weight: 600;
  line-height: 1;
}

.eta-num--text {
  font-size: var(--eta-text-size);
  font-weight: 700;
  letter-spacing: 0;
}

.eta-unit {
  display: block;
  margin-top: 0;
  color: var(--text);
  font-size: var(--eta-unit-size);
  font-weight: 400;
  line-height: 1.1;
}

.eta-gone,
.eta-none {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.2rem;
  color: var(--eta);
  font-weight: 800;
  font-size: 0.9rem;
}

.eta-gone {
  color: var(--soft);
  font-size: 0.82rem;
}

.eta-sub {
  margin-top: 0;
  color: var(--soft);
  font-size: 0.65rem;
}

.empty,
.loading,
.error {
  padding: 28px 16px;
  text-align: center;
  color: var(--soft);
  font-size: 0.95rem;
}

.error {
  color: #b42318;
}

.modal {
  border: 0;
  padding: 0;
  background: transparent;
  max-width: calc(100% - 24px);
  width: 520px;
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  transition:
    opacity var(--fade) ease,
    transform var(--fade) ease,
    overlay var(--fade) allow-discrete,
    display var(--fade) allow-discrete;
}

.modal[open] {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@starting-style {
  .modal[open] {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
}

.modal::backdrop {
  background: var(--backdrop);
  opacity: 0;
  transition:
    opacity var(--fade) ease,
    overlay var(--fade) allow-discrete,
    display var(--fade) allow-discrete;
}

.modal[open]::backdrop {
  opacity: 1;
}

@starting-style {
  .modal[open]::backdrop {
    opacity: 0;
  }
}

.modal__panel {
  background: var(--surface);
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(20, 32, 48, 0.16);
  padding: 14px;
  max-height: min(80vh, 640px);
  display: flex;
  flex-direction: column;
}

.modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.modal__head h2 {
  margin: 0;
  font-size: 1.1rem;
}

.modal__hint {
  margin: 0 0 10px;
  color: var(--soft);
  font-size: 0.85rem;
}

.icon-btn {
  border: 0;
  background: var(--surface-muted);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
}

.field span {
  font-size: 0.82rem;
  color: var(--soft);
  font-weight: 600;
}

.field input {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  outline: none;
  background: var(--input-bg);
}

.field input:focus {
  border-color: #9dc0e4;
  box-shadow: 0 0 0 3px rgba(43, 142, 191, 0.15);
}

.search-results,
.route-toggles {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow: auto;
  flex: 1;
}

.search-results li button,
.route-toggle {
  width: 100%;
  text-align: left;
  border: 0;
  border-bottom: 1px solid #e8ecf0;
  background: transparent;
  padding: 12px 6px;
  cursor: pointer;
}

.search-results li button:hover,
.route-toggle:hover {
  background: #eef6fb;
}

.search-name {
  display: block;
  font-weight: 800;
}

.search-meta {
  display: block;
  margin-top: 2px;
  color: var(--soft);
  font-size: 0.78rem;
}

.route-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.route-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--red);
}

.modal__foot {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid #e8ecf0;
}

/* 平板：兩欄；手機：一欄 */
@media (max-width: 1200px) {
  .boards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.btn-label--short {
  display: none;
}

@media (max-width: 720px) {
  .app {
    padding: 12px 10px 28px;
  }

  .topbar__actions {
    flex-wrap: nowrap;
    gap: 6px;
    width: 100%;
    align-items: center;
  }

  .topbar__actions .btn {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 0.42rem 0.7rem;
    font-size: 0.8rem;
    line-height: 1.15;
    min-height: 2.25rem;
  }

  .topbar__actions .btn--icon {
    width: 2.25rem;
    min-width: 2.25rem;
    padding: 0;
  }

  .btn-label--full {
    display: none;
  }

  .btn-label--short {
    display: inline;
  }

  .user-chip {
    flex: 1 1 0;
    min-width: 0;
    max-width: none;
    height: 2.25rem;
    box-sizing: border-box;
    padding: 0 0.55rem;
    gap: 4px;
  }

  .user-chip__label {
    display: none;
  }

  .user-chip__name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.88rem;
  }

  #app-menu {
    flex: 0 0 auto;
  }

  .menu__panel {
    position: fixed;
    top: max(12px, env(safe-area-inset-top, 0px));
    left: 50%;
    right: auto;
    transform: translateX(-50%) translateY(-8px);
    width: 90vw;
    max-width: 90vw;
    max-height: calc(100dvh - 24px - env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
  }

  .menu__panel.is-open {
    transform: translateX(-50%) translateY(0);
  }

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

  .route-row {
    grid-template-columns: 1.35rem minmax(2.2rem, 2.8rem) 1fr auto;
  }
}