:root {
  --bg: #F2F7F8; --card: #FFFFFF; --ink: #0B2A3A; --mute: #5B7482; --line: #D6E3E8;
  --water: #0E8FB3; --water-soft: #D3EEF5; --extra: #17B890; --warn: #B4540A; --warn-bg: #FFF1E0;
  --best-bg: #E4F6FA;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #071A24; --card: #0E2836; --ink: #E6F2F6; --mute: #8FAAB7; --line: #1C3D4E;
    --water: #35C3E8; --water-soft: #173E50; --extra: #3EDDB4; --warn: #FFB86B; --warn-bg: #3A2A14;
    --best-bg: #123A4B;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.45 ui-rounded, "SF Pro Rounded", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent;
}
.app {
  max-width: 720px; margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right))
    calc(40px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}
.top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 20px; margin: 0; letter-spacing: -0.01em; }
/* znak: trzy liny torowe */
.mark {
  width: 26px; height: 26px; border-radius: 7px; background:
    repeating-linear-gradient(to bottom, var(--water) 0 4px, transparent 4px 9px) 4px 4px / 18px 18px no-repeat, var(--water-soft);
}
h2 { font-size: 15px; margin: 0 0 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--mute); }
.section-h { margin: 28px 0 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.ghost {
  font: inherit; font-size: 14px; color: var(--water); background: none; border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 14px; min-height: 44px; cursor: pointer; touch-action: manipulation;
}
.ghost:disabled { opacity: 0.5; }

#search { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 10px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--mute); min-width: 0; }
input {
  font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  padding: 9px 10px; width: 100%; min-width: 0; color-scheme: light dark;
  /* iOS: natywne pola daty/godziny mają własną szerokość i wyśrodkowany tekst — bez tego wylewają się z siatki */
  -webkit-appearance: none; appearance: none; display: block; min-height: 44px; text-align: left;
}
input::-webkit-date-and-time-value { text-align: left; margin: 0; }
input:focus-visible, button:focus-visible { outline: 2px solid var(--water); outline-offset: 2px; }

.result { margin: 16px 0 6px; }
.result p { margin: 0 0 4px; }
.day-label { color: var(--mute); font-size: 14px; }
.day-label::first-letter { text-transform: uppercase; }
.best-line { font-size: 22px; letter-spacing: -0.01em; }
.best-line strong { font-size: 34px; color: var(--water); font-variant-numeric: tabular-nums; }
.alt { color: var(--mute); font-size: 14px; }
.warn { color: var(--warn); }
.result .warn { background: var(--warn-bg); border-radius: 10px; padding: 8px 12px; font-size: 14px; margin-top: 8px; }

.slots { margin-top: 12px; display: grid; gap: 2px; }
.slot {
  display: grid; grid-template-columns: 96px 108px 64px 1fr; align-items: center; gap: 8px;
  padding: 6px 8px; border-radius: 8px; font-variant-numeric: tabular-nums; font-size: 14px;
}
.time { white-space: nowrap; }
.slot.best { background: var(--best-bg); font-weight: 600; }
.slot.out { opacity: 0.38; }
.lanes { display: grid; grid-template-columns: repeat(6, 1fr); gap: 3px; }
.lane { height: 14px; border-radius: 3px; background: var(--line); }
.lane.free { background: var(--water); }
.lane.free.extra { background: var(--extra); }
.count { color: var(--mute); }
.slot.best .count { color: var(--ink); }
.tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tag { font-size: 11px; font-weight: 500; border-radius: 999px; padding: 1px 8px; border: 1px solid var(--line); color: var(--mute); white-space: nowrap; }
.tag.extra { color: var(--extra); border-color: currentColor; }

.week { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }
.daycard {
  font: inherit; color: inherit; text-align: left; cursor: pointer; background: var(--card);
  border: 1px solid var(--line); border-radius: 14px; padding: 10px; display: flex; flex-direction: column; gap: 1px;
  touch-action: manipulation; min-width: 0;
}
.daycard.sel { border-color: var(--water); box-shadow: 0 0 0 1px var(--water); }
.daycard.est { border-style: dashed; }
.dc-day { font-size: 12px; color: var(--mute); text-transform: uppercase; letter-spacing: 0.05em; }
.dc-date { font-size: 13px; }
.dc-best { font-size: 22px; font-weight: 700; color: var(--water); font-variant-numeric: tabular-nums; margin-top: 4px; }
.dc-best.none { color: var(--mute); }
.dc-lanes, .dc-est { font-size: 12px; color: var(--mute); }
.dc-est { color: var(--warn); }
.spark { display: flex; align-items: flex-end; gap: 1px; height: 22px; margin-top: 6px; }
.spark i { flex: 1; min-width: 1px; height: calc(var(--h) * 100%); background: var(--water); opacity: 0.75; border-radius: 1px; }

.foot { margin-top: 28px; font-size: 12px; color: var(--mute); display: flex; flex-wrap: wrap; gap: 6px 16px; justify-content: space-between; }
.foot a { color: inherit; }

@media (max-width: 480px) {
  .card { padding: 14px; }
  #search { grid-template-columns: 1fr 1fr; }
  #search label:first-child { grid-column: 1 / -1; }
  .slot { grid-template-columns: 98px 84px 1fr; padding: 8px 6px; }
  .tags { grid-column: 2 / -1; }
  .week { grid-template-columns: repeat(3, 1fr); }
  /* na telefonie tylko wejścia z wybranego okna — pełna lista spycha karty dni poza ekran */
  .slots.has-window .slot.out { display: none; }
  .tags:empty { display: none; }
  .best-line strong { font-size: 30px; }
}