/* ============================================================
   CFF Alert — commute view
   Same validated token set as the stats view; light and dark are
   separately chosen steps, never an automatic inversion.
   ============================================================ */

:root {
  color-scheme: light;
  --surface-1:      #fcfcfb;
  --surface-2:      #f4f3f0;
  --page:           #f9f9f7;
  --text-primary:   #0b0b0b;
  --text-secondary: #52514e;
  --text-muted:     #898781;
  --gridline:       #e1e0d9;
  --axis:           #c3c2b7;
  --border:         rgba(11, 11, 11, 0.10);
  --border-strong:  rgba(11, 11, 11, 0.16);
  --shadow:         0 1px 2px rgba(11,11,11,.05), 0 8px 24px -12px rgba(11,11,11,.14);
  --series-1:       #2a78d6;
  --series-1-wash:  rgba(42, 120, 214, 0.10);

  --good:     #0ca30c;
  --warning:  #fab219;
  --serious:  #ec835a;
  --critical: #d03b3b;
  --good-ink: #006300;
  --crit-ink: #b32b2b;

  --radius:    14px;
  --radius-sm: 9px;
  --gap:       16px;
  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-1:      #1a1a19;
    --surface-2:      #232322;
    --page:           #0d0d0d;
    --text-primary:   #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted:     #898781;
    --gridline:       #2c2c2a;
    --axis:           #383835;
    --border:         rgba(255, 255, 255, 0.10);
    --border-strong:  rgba(255, 255, 255, 0.16);
    --shadow:         0 1px 2px rgba(0,0,0,.4), 0 10px 30px -14px rgba(0,0,0,.7);
    --series-1:       #3987e5;
    --series-1-wash:  rgba(57, 135, 229, 0.14);
    --good-ink: #0ca30c;
    --crit-ink: #e66767;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-1:      #1a1a19;
  --surface-2:      #232322;
  --page:           #0d0d0d;
  --text-primary:   #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted:     #898781;
  --gridline:       #2c2c2a;
  --axis:           #383835;
  --border:         rgba(255, 255, 255, 0.10);
  --border-strong:  rgba(255, 255, 255, 0.16);
  --shadow:         0 1px 2px rgba(0,0,0,.4), 0 10px 30px -14px rgba(0,0,0,.7);
  --series-1:       #3987e5;
  --series-1-wash:  rgba(57, 135, 229, 0.14);
  --good-ink: #0ca30c;
  --crit-ink: #e66767;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--page);
  color: var(--text-primary);
  font-size: 14px; line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ul { margin: 0; }
ul { list-style: none; padding: 0; }
a { color: inherit; }

.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 60;
  background: var(--surface-1); padding: 10px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); text-decoration: none; transition: top .16s;
}
.skip:focus { top: 12px; }

:where(button, input, a, [tabindex]):focus-visible {
  outline: 2px solid var(--series-1); outline-offset: 2px; border-radius: 6px;
}

/* ---------------- top bar ---------------- */

.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 26px; flex-wrap: wrap;
  padding: 14px clamp(16px, 3vw, 30px);
  background: color-mix(in srgb, var(--page) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 11px; margin-right: auto; }
.brand-mark { color: var(--critical); display: flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 16px; font-weight: 650; letter-spacing: -0.01em; }
.brand-sub { font-size: 11.5px; color: var(--text-muted); }

.topbar-meta { display: flex; gap: 22px; flex-wrap: wrap; }
.meta-block { display: flex; flex-direction: column; gap: 1px; }
.meta-label, .control-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-muted); font-weight: 600;
}
.meta-value { font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; }

.topbar-actions { display: flex; align-items: center; gap: 7px; }

.icon-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 11px; font: inherit; font-size: 12.5px; font-weight: 550;
  color: var(--text-secondary); background: transparent; text-decoration: none;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer; transition: background .14s, color .14s, border-color .14s;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text-primary); }
.icon-btn[aria-pressed="true"] {
  color: var(--series-1); border-color: color-mix(in srgb, var(--series-1) 45%, transparent);
  background: var(--series-1-wash);
}
.icon-btn-label { display: none; }
@media (min-width: 1000px) { .icon-btn-label { display: inline; } }

.btn-primary {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 15px; font: inherit; font-size: 12.5px; font-weight: 600;
  color: #fff; background: var(--series-1);
  border: 1px solid transparent; border-radius: var(--radius-sm); cursor: pointer;
  transition: filter .14s;
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; }

.btn-ghost {
  font: inherit; font-size: 12.5px; font-weight: 600; color: var(--text-primary);
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 8px 15px; cursor: pointer;
}
.btn-ghost:hover { border-color: var(--border-strong); }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ---------------- status bar ---------------- */

.statusbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  padding: 13px clamp(16px, 3vw, 30px);
  background: var(--surface-1); border-bottom: 1px solid var(--border);
}
.statusline { font-size: 13px; color: var(--text-secondary); }
.statusline strong { color: var(--text-primary); font-weight: 650; }
.statusbar-controls { display: flex; align-items: center; gap: 10px; }

.segmented {
  display: inline-flex; padding: 2px; gap: 2px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.segmented button {
  padding: 6px 12px; font: inherit; font-size: 12.5px; font-weight: 600;
  color: var(--text-secondary); background: transparent; border: 0;
  border-radius: 7px; cursor: pointer; font-variant-numeric: tabular-nums;
}
.segmented button:hover { color: var(--text-primary); }
.segmented button.is-on {
  background: var(--surface-1); color: var(--text-primary); box-shadow: 0 1px 2px rgba(0,0,0,.10);
}

/* ---------------- layout ---------------- */

.wrap {
  max-width: 1180px; margin: 0 auto;
  padding: 24px clamp(16px, 3vw, 30px) 40px;
  display: flex; flex-direction: column; gap: 30px;
}
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 14px; margin-bottom: 13px;
}
.section-title { font-size: 13px; font-weight: 650; text-transform: uppercase; letter-spacing: .07em; }
.section-note { font-size: 12px; color: var(--text-muted); }

/* ---------------- trip cards ---------------- */

.trip-grid {
  display: grid; gap: var(--gap);
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.trip-card {
  position: relative; overflow: hidden;
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 17px 19px 16px;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 12px;
}
/* a hairline of state colour, not a full tinted card */
.trip-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--axis);
}
.trip-card.s-good::before     { background: var(--good); }
.trip-card.s-warning::before  { background: var(--warning); }
.trip-card.s-serious::before  { background: var(--serious); }
.trip-card.s-critical::before { background: var(--critical); }
.trip-card.is-next { border-color: color-mix(in srgb, var(--series-1) 40%, var(--border)); }

.trip-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; font-weight: 700; letter-spacing: .02em;
  text-transform: uppercase;
}
.pill-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--axis); flex: none; }
.s-good .pill-dot     { background: var(--good); }
.s-warning .pill-dot  { background: var(--warning); }
.s-serious .pill-dot  { background: var(--serious); }
.s-critical .pill-dot { background: var(--critical); }
.s-critical .pill     { color: var(--crit-ink); }
.s-good .pill         { color: var(--good-ink); }

.line-tag {
  display: inline-block; padding: 3px 9px; border-radius: 6px;
  background: var(--surface-2); border: 1px solid var(--border);
  font-size: 11.5px; font-weight: 700; letter-spacing: .02em; white-space: nowrap;
}

.trip-times { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.time-big {
  font-size: 34px; font-weight: 650; letter-spacing: -0.025em; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.time-arrow { color: var(--text-muted); font-size: 18px; }
.day-tag {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-muted); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 5px; padding: 2px 6px;
  align-self: center;
}
.time-actual {
  font-size: 15px; font-weight: 650; font-variant-numeric: tabular-nums;
  color: var(--crit-ink);
}
.time-actual.is-ok { color: var(--good-ink); }

.trip-route { font-size: 13px; color: var(--text-secondary); }
.trip-route strong { color: var(--text-primary); font-weight: 600; }
.trip-detail { font-size: 12px; color: var(--text-muted); }

.trip-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding-top: 11px; border-top: 1px solid var(--gridline);
  font-size: 12px; color: var(--text-muted);
}
.trip-foot .countdown { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--text-secondary); }

.spark { display: block; height: 26px; width: 84px; }
.spark path { fill: none; stroke: var(--critical); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.trip-empty {
  border: 1px dashed var(--border-strong); border-radius: var(--radius);
  padding: 34px 20px; text-align: center; color: var(--text-muted);
  grid-column: 1 / -1;
}
.trip-empty p { margin-bottom: 12px; font-size: 13px; }

/* ---------------- cloud alerts ---------------- */

.cloud-card {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow);
}
.cloud-main { flex: 1; min-width: 200px; }
.cloud-lead { font-size: 13.5px; font-weight: 550; }
.cloud-sub { font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.cloud-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.cloud-privacy {
  font-size: 11.5px; color: var(--text-muted);
  margin-top: 9px; padding-left: 2px; max-width: 62ch;
}

/* ---------------- alert log ---------------- */

.alert-log { display: flex; flex-direction: column; gap: 8px; }
.alert-item {
  display: flex; align-items: flex-start; gap: 11px;
  background: var(--surface-1); border: 1px solid var(--border);
  border-left: 3px solid var(--axis);
  border-radius: var(--radius-sm); padding: 11px 14px;
}
.alert-item.l-good     { border-left-color: var(--good); }
.alert-item.l-warning  { border-left-color: var(--warning); }
.alert-item.l-serious  { border-left-color: var(--serious); }
.alert-item.l-critical { border-left-color: var(--critical); }
.alert-item .at { font-size: 11.5px; color: var(--text-muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.alert-item .txt { flex: 1; min-width: 0; }
.alert-item .t { font-size: 13px; font-weight: 640; }
.alert-item .b { font-size: 12px; color: var(--text-secondary); margin-top: 1px; }
.log-empty { font-size: 12.5px; color: var(--text-muted); padding: 4px 2px; }

/* ---------------- saved trips ---------------- */

.saved-list { display: flex; flex-direction: column; gap: 8px; }
.saved-row {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 11px 14px;
}
.saved-row.is-off { opacity: .55; }
.saved-time { font-size: 15px; font-weight: 680; font-variant-numeric: tabular-nums; min-width: 46px; }
.saved-main { flex: 1; min-width: 160px; }
.saved-route { font-size: 13px; font-weight: 550; }
.saved-days { font-size: 11.5px; color: var(--text-muted); margin-top: 1px; }
.saved-actions { display: flex; gap: 6px; }
.btn-row {
  font: inherit; font-size: 11.5px; font-weight: 600; color: var(--text-secondary);
  background: transparent; border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 10px; cursor: pointer;
}
.btn-row:hover { background: var(--surface-2); color: var(--text-primary); }
.btn-row.danger:hover { color: var(--crit-ink); border-color: color-mix(in srgb, var(--critical) 45%, transparent); }

/* ---------------- modal ---------------- */

.modal { position: fixed; inset: 0; z-index: 55; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-scrim { position: absolute; inset: 0; background: rgba(0,0,0,.45); }
.modal-panel {
  position: relative; width: min(680px, 100%); max-height: 90vh;
  background: var(--surface-1); border: 1px solid var(--border-strong);
  border-radius: var(--radius); box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  animation: pop .18s cubic-bezier(.4,0,.2,1);
}
@keyframes pop { from { transform: translateY(10px) scale(.99); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-head, .modal-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 16px 20px;
}
.modal-head { border-bottom: 1px solid var(--border); }
.modal-foot { border-top: 1px solid var(--border); }
.modal-head h2 { font-size: 15px; font-weight: 650; }
.modal-body { padding: 18px 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 16px; }
.modal-hint { font-size: 12px; color: var(--text-muted); }
.modal-actions { display: flex; gap: 8px; }

.field-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 150px; }
.field-narrow { flex: 0 0 120px; min-width: 120px; }
.field-btn { flex: 0 0 auto; min-width: 0; }
.swap { flex: 0 0 auto; margin-bottom: 4px; }

.field input[type="text"], .field input[type="time"], .search input {
  font: inherit; font-size: 13.5px; padding: 9px 12px; width: 100%;
  color: var(--text-primary); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.field input::placeholder { color: var(--text-muted); }
.search { position: relative; }

.ac {
  position: absolute; z-index: 5; left: 0; right: 0; top: calc(100% + 4px);
  background: var(--surface-1); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); box-shadow: var(--shadow);
  max-height: 230px; overflow-y: auto;
}
.ac li {
  padding: 8px 12px; font-size: 13px; cursor: pointer;
  border-bottom: 1px solid var(--gridline);
}
.ac li:last-child { border-bottom: 0; }
.ac li:hover, .ac li.is-active { background: var(--series-1-wash); }

.chips { display: flex; gap: 5px; flex-wrap: wrap; }
.chip {
  padding: 6px 10px; font: inherit; font-size: 12px; font-weight: 600;
  color: var(--text-secondary); background: transparent;
  border: 1px solid var(--border); border-radius: 999px; cursor: pointer;
  min-width: 42px;
}
.chip:hover { border-color: var(--border-strong); color: var(--text-primary); }
.chip.is-on { background: var(--series-1); border-color: var(--series-1); color: #fff; }

.conn-wrap { display: flex; flex-direction: column; gap: 8px; }
.conn-list { display: flex; flex-direction: column; gap: 6px; }
.conn {
  display: flex; align-items: center; gap: 13px; text-align: left; width: 100%;
  font: inherit; padding: 10px 13px; cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.conn:hover { border-color: var(--border-strong); }
.conn.is-on { border-color: var(--series-1); background: var(--series-1-wash); }
.conn-time { font-size: 15px; font-weight: 680; font-variant-numeric: tabular-nums; white-space: nowrap; }
.conn-meta { font-size: 12px; color: var(--text-muted); flex: 1; }
.conn-dur { font-size: 12px; color: var(--text-secondary); font-variant-numeric: tabular-nums; }

/* ---------------- toasts ---------------- */

.toasts {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  display: flex; flex-direction: column; gap: 9px; max-width: 340px;
}
.toast {
  background: var(--surface-1); border: 1px solid var(--border-strong);
  border-left: 3px solid var(--series-1);
  border-radius: 10px; padding: 11px 14px; box-shadow: var(--shadow);
  animation: toastIn .2s cubic-bezier(.4,0,.2,1);
}
.toast.is-critical { border-left-color: var(--critical); }
.toast.is-serious  { border-left-color: var(--serious); }
.toast.is-warning  { border-left-color: var(--warning); }
.toast.is-good     { border-left-color: var(--good); }
@keyframes toastIn { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }
.toast-title { font-size: 12.5px; font-weight: 650; }
.toast-body { font-size: 12px; color: var(--text-secondary); margin-top: 1px; }

/* ---------------- footer ---------------- */

.site-foot {
  padding: 20px clamp(16px, 3vw, 30px) 34px;
  border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text-muted);
  display: flex; flex-direction: column; gap: 5px;
  max-width: 1180px; margin: 0 auto;
}
.site-foot a { color: var(--text-secondary); }
.foot-note { font-size: 11.5px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ============================================================
   Phone layout — this app is used one-handed on a platform,
   so tap targets grow and the chrome gets out of the way.
   ============================================================ */

@media (max-width: 640px) {
  body { font-size: 15px; }

  .topbar {
    gap: 12px; padding: 10px 14px;
    /* respect the notch when installed to the home screen */
    padding-top: calc(10px + env(safe-area-inset-top));
  }
  .brand-sub { display: none; }
  .topbar-meta { order: 3; width: 100%; gap: 18px; }
  .topbar-actions { gap: 6px; }

  /* every control clears the 44px touch minimum */
  .icon-btn { padding: 10px; min-width: 42px; min-height: 42px; justify-content: center; }
  .btn-primary, .btn-ghost { padding: 11px 16px; min-height: 44px; }
  .btn-sm { min-height: 38px; }
  .segmented button { padding: 9px 13px; min-height: 40px; }
  .chip { padding: 9px 13px; min-height: 40px; }
  .btn-row { padding: 8px 12px; min-height: 36px; }

  .statusbar { flex-direction: column; align-items: stretch; gap: 12px; padding: 12px 14px; }
  .statusbar-controls { justify-content: space-between; }

  .wrap { padding: 18px 14px calc(28px + env(safe-area-inset-bottom)); gap: 24px; }
  .trip-grid { grid-template-columns: 1fr; }

  /* the departure time is the thing you read at a glance on a platform */
  .time-big { font-size: 40px; }
  .trip-card { padding: 16px 17px; }

  .cloud-card { flex-direction: column; align-items: stretch; }
  .cloud-actions { justify-content: stretch; }
  .cloud-actions button { flex: 1; }

  .saved-row { gap: 10px; }
  .saved-actions { width: 100%; justify-content: flex-end; }

  .modal { padding: 0; align-items: flex-end; }
  .modal-panel {
    width: 100%; max-height: 92vh;
    border-radius: var(--radius) var(--radius) 0 0;
    padding-bottom: env(safe-area-inset-bottom);
  }
  .field-row { gap: 10px; }
  .field { min-width: 100%; }
  .field-narrow { flex: 1 1 100%; }
  .swap { align-self: flex-end; margin: 0 0 2px; }
  .modal-foot { flex-direction: column; align-items: stretch; gap: 10px; }
  .modal-actions { display: flex; }
  .modal-actions button { flex: 1; }

  .toasts { left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); max-width: none; }
}

/* Installed to the home screen: the browser chrome is gone, so the sticky
   header carries the status-bar inset itself. */
@media (display-mode: standalone) {
  .topbar { padding-top: calc(12px + env(safe-area-inset-top)); }
}