:root {
  color-scheme: light;
  /* Kopie veřejných tokenů Braunom shellu – quick stránka shell nenačítá. */
  --b-bg: #f5f5f7;
  --b-panel: #ffffff;
  --b-panel-2: #f0f0f2;
  --b-text: #1d1d1f;
  --b-muted: #5f6368;
  --b-line: #d2d2d7;
  --b-accent: #c2410c;
  --b-accent-text: #ffffff;
  --b-accent-soft: #fff1e8;
  --b-highlight: #c2410c;
  --b-success: #067647;
  --b-warning: #8a4b08;
  --b-danger: #b42318;
  --b-radius: 12px;
  --b-shadow: 0 8px 24px rgba(29, 29, 31, .08);
  --b-w: 280px;
  --b-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Inter, sans-serif;
  --b-focus: 0 0 0 3px rgba(194, 65, 12, .26);
  --background: var(--b-bg);
  --surface: var(--b-panel);
  --surface-muted: var(--b-panel-2);
  --text: var(--b-text);
  --muted: var(--b-muted);
  --line: var(--b-line);
  --accent: var(--b-accent);
  --accent-pressed: var(--b-accent);
  --danger: var(--b-danger);
  --success: var(--b-success);
  font-family: var(--b-font);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --b-bg: #151516;
    --b-panel: #1c1c1e;
    --b-panel-2: #2c2c2e;
    --b-text: #f5f5f7;
    --b-muted: #b8b8bd;
    --b-line: #3a3a3c;
    --b-accent: #ff9f0a;
    --b-accent-text: #1d1d1f;
    --b-accent-soft: #3d2a12;
    --b-highlight: #ff9f0a;
    --b-success: #63e6a0;
    --b-warning: #ffb84d;
    --b-danger: #ff7770;
    --b-shadow: 0 8px 24px rgba(0, 0, 0, .28);
    --b-focus: 0 0 0 3px rgba(255, 159, 10, .3);
  }
}

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

html { min-height: 100%; background: var(--background); }

body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-size: 17px;
  line-height: 1.4;
}

button, input, select, textarea { font: inherit; }

button, input, select, textarea { -webkit-tap-highlight-color: transparent; }

.page-shell {
  width: min(100% - 32px, 540px);
  margin: 0 auto;
  padding: max(24px, env(safe-area-inset-top)) 0 max(32px, env(safe-area-inset-bottom));
}

.page-header, .section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.page-header { justify-content: flex-start; }

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 14px;
  background: var(--accent);
  color: var(--b-accent-text);
  font-size: 25px;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(25px, 7vw, 32px); letter-spacing: -.02em; }
h2 { margin-bottom: 8px; font-size: 24px; letter-spacing: -.02em; }

.card {
  padding: 24px;
  border: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 8px 30px rgb(0 0 0 / 7%);
}

.pin-card { margin-top: 10vh; }
.muted, .field-hint { color: var(--muted); }
.muted { margin-bottom: 22px; }

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin: 0 0 16px;
  padding: 5px;
  border-radius: 17px;
  background: var(--surface-muted);
}
.tab-button {
  min-height: 54px;
  border: 0;
  border-radius: 13px;
  background: transparent;
  color: var(--muted);
  font-weight: 750;
  cursor: pointer;
}
.tab-button[aria-selected="true"] {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 2px 8px rgb(0 0 0 / 10%);
}

.date-segment { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; padding: 4px; border-radius: 14px; background: var(--surface-muted); }
.date-segment button { min-height: 44px; padding: 7px 5px; border: 0; border-radius: 10px; background: transparent; color: var(--muted); font-weight: 650; cursor: pointer; }
.date-segment button[aria-pressed="true"] { background: var(--accent); color: var(--b-accent-text); box-shadow: 0 2px 7px rgb(0 0 0 / 12%); }
.date-value { display: block; min-height: 25px; margin-top: 9px; font-weight: 700; font-variant-numeric: tabular-nums; }
.date-picker { margin-top: 9px; }

.pin-input {
  width: 100%;
  min-height: 68px;
  border: 2px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  font-size: 34px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .35em;
  padding: 8px 16px;
  text-align: center;
}

.pin-input:focus, input:focus, select:focus, textarea:focus {
  outline: 3px solid color-mix(in srgb, var(--accent) 28%, transparent);
  outline-offset: 1px;
  border-color: var(--accent);
}

fieldset { min-width: 0; margin: 0 0 24px; padding: 0; border: 0; }
legend, .field > span, .field > label { display: block; margin-bottom: 8px; font-weight: 650; }

.car-choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.car-choice { position: relative; min-height: 64px; }
.car-choice input { position: absolute; opacity: 0; }
.car-choice span {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border: 2px solid var(--line);
  border-radius: 16px;
  text-align: center;
  font-weight: 650;
  cursor: pointer;
}
.car-choice input:checked + span { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, var(--surface)); }
.car-choice input:focus-visible + span { outline: 3px solid color-mix(in srgb, var(--accent) 28%, transparent); }

.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.input-grid > .date-field, .input-grid > .date-field + .field { grid-column: 1 / -1; }
.field { display: block; margin-bottom: 18px; }
.field small { color: var(--muted); font-weight: 400; }
input:not(.pin-input), select, textarea {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  padding: 11px 13px;
}
textarea { min-height: 82px; resize: vertical; }
.new-station-fields {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--line));
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 7%, var(--surface));
}
.nested-field { margin: 0; }
.field-hint { min-height: 20px; margin: 6px 0 0; font-size: 14px; }
.calculated { min-height: 24px; margin: -8px 0 18px; color: var(--muted); font-weight: 650; }

.trip-suggest-card, .trip-form { margin-bottom: 16px; }
.trip-suggest-card h3 { margin: 0 0 7px; font-size: 21px; }
.trip-suggest-card .muted { margin-bottom: 12px; font-size: 15px; }
.trip-suggest-card textarea { min-height: 112px; }
.secondary-button {
  width: 100%;
  min-height: 50px;
  margin-top: 12px;
  border: 1px solid var(--accent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
  color: var(--accent);
  font-weight: 750;
  cursor: pointer;
}
.secondary-button:active { background: color-mix(in srgb, var(--accent) 20%, var(--surface)); }
.secondary-button:disabled { opacity: .55; cursor: wait; }
.form-intro { margin: 0 0 18px; color: var(--muted); font-size: 15px; }
.check-field { display: flex; min-height: 50px; align-items: center; gap: 11px; margin: 0 0 18px; font-weight: 650; }
.check-field input { width: 23px; height: 23px; accent-color: var(--accent); }

.primary-button {
  width: 100%;
  min-height: 54px;
  border: 0;
  border-radius: 14px;
  background: var(--accent);
  color: var(--b-accent-text);
  font-weight: 700;
  cursor: pointer;
}
.primary-button:active { background: var(--accent-pressed); }
.primary-button:disabled { opacity: .55; cursor: wait; }
.text-button { min-height: 44px; border: 0; background: transparent; color: var(--accent); font-weight: 650; cursor: pointer; }

.error-message { margin: 12px 0 0; color: var(--danger); font-weight: 600; }
.page-error { margin-top: 20px; text-align: center; }
.success-card { margin-top: 15vh; text-align: center; }
.success-symbol { display: grid; width: 64px; height: 64px; margin: 0 auto 16px; place-items: center; border-radius: 50%; background: color-mix(in srgb, var(--success) 18%, var(--surface)); color: var(--success); font-size: 36px; font-weight: 700; }
.success-card .muted { margin-bottom: 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 390px) {
  .page-shell { width: min(100% - 24px, 540px); }
  .card { padding: 20px 16px; }
  .car-choices { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}