/* ============================================================
   Tokeny kolorow - oparte na zwalidowanej palecie (patrz README
   projektu / skill dataviz). Jasny motyw domyslnie, ciemny przez
   prefers-color-scheme (ekrany w budynku wieczorem / w slabo
   oswietlonych korytarzach), z mozliwoscia recznego przelaczenia
   przyciskiem w stopce (patrz app.js) zapamietywanego w localStorage.
   ============================================================ */
:root {
  color-scheme: light;
  --surface-page:     #f9f9f7;
  --surface-card:      #fcfcfb;
  --text-primary:     #0b0b0b;
  --text-secondary:   #52514e;
  --text-muted:       #898781;
  --gridline:         #e1e0d9;
  --border:           rgba(11, 11, 11, 0.10);
  --accent:           #2a78d6;   /* categorical slot 1 - blue */
  --status-good:      #0ca30c;   /* zajecia trwaja teraz */
  --status-good-bg:   #e6f6e6;
  --status-warning:   #b3790c;   /* przyciemniony 'warning' dla czytelnosci tekstu na jasnym tle */
  --status-warning-bg:#fdf0d9;
  --status-danger:    #d64541;   /* zajecia odwolane */
  --status-danger-bg: #fbe4e2;
  --status-muted-bg:  #f0efec;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-page:     #0d0d0d;
    --surface-card:      #1a1a19;
    --text-primary:     #ffffff;
    --text-secondary:   #c3c2b7;
    --text-muted:       #898781;
    --gridline:         #2c2c2a;
    --border:           rgba(255, 255, 255, 0.10);
    --accent:           #3987e5;
    --status-good:      #0ca30c;
    --status-good-bg:   rgba(12, 163, 12, 0.16);
    --status-warning:   #fab219;
    --status-warning-bg:rgba(250, 178, 25, 0.16);
    --status-danger:    #ff6b64;
    --status-danger-bg: rgba(214, 69, 65, 0.20);
    --status-muted-bg:  #262624;
  }
}

/* Recznie wybrany motyw (przycisk w naglowku, patrz app.js) - nadpisuje wybor systemowy */
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-page:     #0d0d0d;
  --surface-card:      #1a1a19;
  --text-primary:     #ffffff;
  --text-secondary:   #c3c2b7;
  --text-muted:       #898781;
  --gridline:         #2c2c2a;
  --border:           rgba(255, 255, 255, 0.10);
  --accent:           #3987e5;
  --status-good:      #0ca30c;
  --status-good-bg:   rgba(12, 163, 12, 0.16);
  --status-warning:   #fab219;
  --status-warning-bg:rgba(250, 178, 25, 0.16);
  --status-danger:    #ff6b64;
  --status-danger-bg: rgba(214, 69, 65, 0.20);
  --status-muted-bg:  #262624;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--surface-page);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

.board {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: clamp(16px, 3vw, 40px);
  gap: clamp(12px, 2vw, 24px);
}

/* ---------- Header ---------- */

.board-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 2px solid var(--gridline);
  padding-bottom: clamp(12px, 2vw, 20px);
}

.board-header__eyebrow {
  display: block;
  font-size: clamp(14px, 1.4vw, 18px);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}

.board-header__title h1 {
  margin: 0;
  font-size: clamp(28px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.05;
}

.board-header__clock {
  text-align: right;
  flex-shrink: 0;
}

.theme-toggle {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-card);
  color: var(--text-primary);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  filter: brightness(1.08);
}

.clock-time {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.clock-date {
  margin-top: 6px;
  font-size: clamp(14px, 1.4vw, 18px);
  color: var(--text-secondary);
  text-transform: capitalize;
}

/* ---------- Content ---------- */

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.state-message {
  margin: auto;
  text-align: center;
  color: var(--text-secondary);
  font-size: clamp(18px, 2.2vw, 28px);
  max-width: 640px;
  padding: 40px 20px;
}

.state-message--error {
  color: var(--status-warning);
}

/* ---------- Ekran wyboru pietra (widok "/") ---------- */

.floor-picker {
  margin: auto;
  text-align: center;
  max-width: 520px;
  width: 100%;
}

.floor-picker h2 {
  font-size: clamp(22px, 2.6vw, 32px);
  margin-bottom: 8px;
}

.floor-picker p {
  color: var(--text-secondary);
  font-size: clamp(15px, 1.6vw, 19px);
  margin-top: 0;
  margin-bottom: 24px;
}

.floor-picker form {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.floor-picker input[type="number"] {
  width: 120px;
  font-size: 22px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-card);
  color: var(--text-primary);
  text-align: center;
}

.floor-picker button {
  font-size: 18px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

.floor-picker button:hover { filter: brightness(1.08); }

/* Odnosnik do osobnej podstrony budynku w Gryficach (sale "Gr ...", bez pieter) */
.floor-picker__gryfice {
  margin-top: 20px;
  font-size: 15px !important;
  color: var(--text-secondary);
}

.floor-picker__gryfice-button {
  font-size: 15px !important;
  font-weight: 600;
  padding: 4px 14px !important;
  border-radius: 999px !important;
  border: 1px solid var(--border) !important;
  background: var(--surface-card) !important;
  color: var(--text-primary) !important;
  cursor: pointer;
}

.floor-picker__gryfice-button:hover { filter: brightness(1.08); }

.floor-picker__test-mode {
  margin-top: 28px !important;
  padding-top: 20px;
  border-top: 1px dashed var(--gridline);
  font-size: 14px !important;
}

.floor-picker__test-mode label {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.floor-picker__test-mode input[type="date"] {
  font-size: 16px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-card);
  color: var(--text-primary);
}

/* ---------- Znacznik trybu testowego (inny dzien niz dzisiaj, patrz ?day=) ---------- */

.test-mode-badge {
  display: inline-block;
  vertical-align: middle;
  margin-left: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: clamp(12px, 1.2vw, 15px);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: var(--status-warning-bg);
  color: var(--status-warning);
  vertical-align: middle;
}

/* ---------- Tabela zajec ---------- */

.schedule-table-wrap {
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-card);
}

table.schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: clamp(15px, 1.5vw, 20px);
}

.schedule-table thead th {
  text-align: left;
  font-size: clamp(12px, 1vw, 14px);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
  padding: 14px 18px;
  border-bottom: 1px solid var(--gridline);
  white-space: nowrap;
}

.schedule-table tbody td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--gridline);
  vertical-align: top;
}

.schedule-table tbody tr:last-child td {
  border-bottom: none;
}

.schedule-table tbody tr.is-current {
  background: var(--status-good-bg);
}

.schedule-table tbody tr.is-soon {
  background: var(--status-warning-bg);
}

/* Zajecia zakonczone w ciagu ostatnich 15 minut - "wygaszone" (przygaszone),
   zanim calkowicie znikna z listy (patrz HIDE_FINISHED_AFTER_MINUTES w app.js) */
.schedule-table tbody tr.is-finished {
  opacity: 0.45;
}

/* Zajecia odwolane (pole "isCancelled" z API, patrz classStatus() w app.js) -
   czerwone tlo wiersza + przekreslona nazwa przedmiotu, zeby od razu bylo widac,
   ze zajecia sie NIE odbeda, a nie ze tablica po prostu nie zdazyla sie odswiezyc. */
.schedule-table tbody tr.is-cancelled {
  background: var(--status-danger-bg);
}

.schedule-table tbody tr.is-cancelled .col-subject {
  text-decoration: line-through;
  color: var(--text-secondary);
}

.col-hours {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  white-space: nowrap;
}

.col-room {
  font-weight: 600;
  white-space: nowrap;
}

.col-subject { color: var(--text-primary); }

.col-people, .col-groups {
  color: var(--text-secondary);
}

.status-badge {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.status-badge--current {
  background: var(--status-good);
  color: #fff;
}

.status-badge--soon {
  background: var(--status-warning);
  color: #1a1300;
}

.status-badge--cancelled {
  background: var(--status-danger);
  color: #fff;
}

/* ---------- Waskie ekrany (np. pionowo zamontowany monitor w korytarzu) ----------
   Klasyczna tabela nie miesci sie czytelnie w waskiej kolumnie i przy overflow-x
   uzytkownik/tablica informacyjna nie ma jak "przewinac w bok" - zamieniamy wiec
   uklad na stos kart, po jednej na zajecia, z etykietami kolumn doklejanymi
   przez CSS (kolejnosc kolumn ustalona w app.js: Godziny/Sala/Przedmiot/
   Prowadzacy/Grupa). */
@media (max-width: 700px) {
  .schedule-table-wrap {
    overflow-x: visible;
    border: none;
    background: transparent;
  }

  table.schedule-table, .schedule-table tbody, .schedule-table tr, .schedule-table td {
    display: block;
    width: 100%;
  }

  .schedule-table thead { display: none; }

  .schedule-table tbody tr {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 12px;
    padding: 4px 0;
  }

  .schedule-table tbody tr.is-current { background: var(--status-good-bg); }
  .schedule-table tbody tr.is-soon { background: var(--status-warning-bg); }
  .schedule-table tbody tr.is-cancelled { background: var(--status-danger-bg); }

  .schedule-table tbody td {
    border-bottom: none;
    padding: 8px 16px;
  }

  .schedule-table tbody td::before {
    content: attr(data-label);
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 2px;
  }

  .col-hours { font-size: clamp(18px, 5vw, 22px); }
}

/* ---------- Footer ---------- */

.board-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
}