/* ===========================================================
   ДВГУПС Расписание — веб-версия.
   Палитры один в один с Android-приложением (ui/theme/Color.kt).
   =========================================================== */

/* --- Нейтральные цвета: общие для всех акцентов --- */
:root {
  --bg: #F5F5F9;
  --surface: #FCFCFF;
  --on-surface: #1A1C1E;
  --surface-variant: #E1E2EC;
  --on-surface-variant: #44474F;
  --outline: #74777F;
  --outline-variant: #C4C6D0;
  --error: #BA1A1A;
  --on-error-container: #410002;
  --error-container: #FFDAD6;
  --shadow: rgba(0, 0, 0, .10);

  /* Акцент по умолчанию — «ДВГУПС» (светлая тема) */
  --pri: #0B3D91;
  --on-pri: #FFFFFF;
  --pri-container: #DBE1FF;
  --on-pri-container: #001945;

  /* Цвета типов занятий — как LessonPalette в Android */
  --t-lecture: #3D5AFE;
  --t-practice: #00897B;
  --t-lab: #6D4C41;
  --t-exam: #D32F2F;
  --t-credit: #F57C00;
  --t-consult: #7B1FA2;
  --t-course: #0288D1;
  --t-other: #546E7A;

  --ui-scale: 1;
  --radius: 18px;
  --radius-sm: 12px;
  --gap: 12px;
}

html[data-theme="dark"] {
  --bg: #0B0E11;
  --surface: #101418;
  --on-surface: #E3E2E6;
  --surface-variant: #44474F;
  --on-surface-variant: #C4C6CF;
  --outline: #8E9099;
  --outline-variant: #3A3D45;
  --error: #FFB4AB;
  --error-container: #93000A;
  --on-error-container: #FFDAD6;
  --shadow: rgba(0, 0, 0, .45);
}

/* --- Акценты, светлая тема --- */
html[data-accent="university"] { --pri:#0B3D91; --on-pri:#FFFFFF; --pri-container:#DBE1FF; --on-pri-container:#001945; }
html[data-accent="ocean"]      { --pri:#00668B; --on-pri:#FFFFFF; --pri-container:#C5E7FF; --on-pri-container:#001E2C; }
html[data-accent="forest"]     { --pri:#2E6B34; --on-pri:#FFFFFF; --pri-container:#B0F1AE; --on-pri-container:#00210A; }
html[data-accent="plum"]       { --pri:#6750A4; --on-pri:#FFFFFF; --pri-container:#E9DDFF; --on-pri-container:#22005D; }
html[data-accent="sunset"]     { --pri:#9A4522; --on-pri:#FFFFFF; --pri-container:#FFDBCF; --on-pri-container:#390C00; }

/* --- Акценты, тёмная тема --- */
html[data-theme="dark"][data-accent="university"] { --pri:#B0C6FF; --on-pri:#002B75; --pri-container:#12448F; --on-pri-container:#DBE1FF; }
html[data-theme="dark"][data-accent="ocean"]      { --pri:#75D1FF; --on-pri:#003549; --pri-container:#004C69; --on-pri-container:#C5E7FF; }
html[data-theme="dark"][data-accent="forest"]     { --pri:#96D593; --on-pri:#00390F; --pri-container:#0F531B; --on-pri-container:#B0F1AE; }
html[data-theme="dark"][data-accent="plum"]       { --pri:#CFBCFF; --on-pri:#381E72; --pri-container:#4F378A; --on-pri-container:#E9DDFF; }
html[data-theme="dark"][data-accent="sunset"]     { --pri:#FFB59B; --on-pri:#5B1A00; --pri-container:#7C2D0D; --on-pri-container:#FFDBCF; }

/* ===================== База ===================== */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html {
  /* Ручной масштаб интерфейса: всё остальное в rem, поэтому тянется целиком. */
  font-size: calc(16px * var(--ui-scale));
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--on-surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

button, input, select { font: inherit; color: inherit; }
a { color: var(--pri); text-decoration: none; }

/* Атрибут hidden должен побеждать всегда. Без !important любое авторское
   `display` (например .empty.big { display: grid }) перебивает браузерное
   правило [hidden] { display: none }, и «скрытый» блок остаётся на экране. */
[hidden] { display: none !important; }

/* Контейнер: на планшетах и раскрытом Fold не растягиваем строки на всю ширину. */
.app { max-width: 780px; margin: 0 auto; }
.screen {
  padding: 0 max(0.75rem, env(safe-area-inset-left)) calc(2rem + env(safe-area-inset-bottom))
           max(0.75rem, env(safe-area-inset-right));
}

/* ===================== Заставка ===================== */
.boot {
  position: fixed; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 1rem;
  background: var(--bg); color: var(--on-surface-variant); z-index: 50;
}
.boot.hide { opacity: 0; pointer-events: none; transition: opacity .25s; }
.boot-logo {
  width: 64px; height: 64px; border-radius: 16px; background: #0B3D91;
  position: relative; box-shadow: 0 6px 20px var(--shadow);
}
.boot-logo::after {
  content: ""; position: absolute; inset: 16px 14px 14px;
  border-radius: 4px; background: #fff;
  box-shadow: inset 0 6px 0 0 #0B3D91, inset 0 8px 0 0 #fff;
}
.boot-text { font-size: .9rem; }

/* ===================== Верхняя панель ===================== */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: .5rem;
  padding: calc(.6rem + env(safe-area-inset-top)) 0 .6rem;
  background: var(--bg);
}
.top-main { flex: 1; min-width: 0; }
.top-actions { display: flex; gap: .25rem; flex: none; }
.top-title { margin: 0; font-size: 1.25rem; font-weight: 600; }

.group-btn {
  display: inline-flex; align-items: baseline; gap: .35rem;
  background: none; border: 0; padding: 0; cursor: pointer; max-width: 100%;
}
.group-code {
  font-size: 1.4rem; font-weight: 700; letter-spacing: -.01em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.group-caret { color: var(--on-surface-variant); font-size: .8rem; }
.group-title {
  font-size: .82rem; color: var(--on-surface-variant);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.icon-btn {
  flex: none; width: 2.5rem; height: 2.5rem; border-radius: 50%;
  border: 0; background: transparent; color: var(--on-surface-variant);
  font-size: 1.15rem; cursor: pointer; display: grid; place-items: center;
  transition: background .15s;
}
.icon-btn:active { background: var(--surface-variant); }
.icon-btn.spin { animation: spin .9s linear infinite; color: var(--pri); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===================== Неделя и дни ===================== */
.week { display: flex; align-items: center; gap: .25rem; margin-bottom: .25rem; }
.week-label {
  flex: 1; background: none; border: 0; cursor: pointer; padding: .35rem;
  font-size: .95rem; font-weight: 600; color: var(--on-surface);
}
.week-label small { display: block; font-weight: 400; font-size: .75rem; color: var(--on-surface-variant); }

.days {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(2.7rem, 1fr);
  gap: .35rem; overflow-x: auto; scrollbar-width: none;
  padding: .15rem 0 .5rem;
}
.days::-webkit-scrollbar { display: none; }

.day {
  border: 0; cursor: pointer; border-radius: var(--radius-sm);
  padding: .45rem .2rem .35rem; background: var(--surface);
  color: var(--on-surface); display: grid; gap: .1rem; justify-items: center;
  box-shadow: 0 1px 3px var(--shadow); transition: background .15s, color .15s;
}
.day-dow { font-size: .68rem; text-transform: uppercase; letter-spacing: .03em; color: var(--on-surface-variant); }
.day-num { font-size: 1.05rem; font-weight: 600; line-height: 1.1; }
.day-dots { display: flex; gap: 2px; height: 5px; align-items: center; }
.day-dots i { width: 4px; height: 4px; border-radius: 50%; background: var(--pri); opacity: .55; }
.day.empty-day .day-num, .day.empty-day .day-dow { opacity: .45; }
.day.today { outline: 2px solid var(--pri); outline-offset: -2px; }
.day.sel { background: var(--pri); color: var(--on-pri); }
.day.sel .day-dow { color: var(--on-pri); opacity: .85; }
.day.sel .day-dots i { background: var(--on-pri); opacity: .9; }

/* ===================== Баннер «сейчас» ===================== */
.banner {
  background: var(--pri-container); color: var(--on-pri-container);
  border-radius: var(--radius); padding: .8rem .9rem; margin-bottom: var(--gap);
}
.banner-top {
  display: flex; align-items: baseline; justify-content: space-between; gap: .5rem;
  font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; opacity: .8;
}
.banner-title { font-size: 1.02rem; font-weight: 600; margin: .2rem 0 .1rem; }
.banner-sub { font-size: .85rem; opacity: .9; }
.banner-timer { font-variant-numeric: tabular-nums; font-weight: 700; white-space: nowrap; }
.bar { height: 5px; border-radius: 3px; background: rgba(0, 0, 0, .14); margin-top: .55rem; overflow: hidden; }
html[data-theme="dark"] .bar { background: rgba(255, 255, 255, .18); }
.bar > i { display: block; height: 100%; background: var(--pri); border-radius: 3px; transition: width .8s linear; }
html[data-theme="dark"] .bar > i { background: var(--on-pri-container); }

/* ===================== Карточки пар ===================== */
.lessons { display: grid; gap: var(--gap); }

.card {
  position: relative; background: var(--surface); border-radius: var(--radius);
  padding: .75rem .85rem .75rem 1.05rem; box-shadow: 0 1px 4px var(--shadow);
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
  background: var(--accent, var(--t-other));
}
.card.now { box-shadow: 0 0 0 2px var(--pri), 0 2px 10px var(--shadow); }
.card.past { opacity: .58; }

.card-head { display: flex; align-items: center; gap: .5rem; margin-bottom: .3rem; flex-wrap: wrap; }
.pair {
  flex: none; min-width: 1.6rem; height: 1.6rem; padding: 0 .35rem; border-radius: .5rem;
  background: var(--surface-variant); color: var(--on-surface-variant);
  font-size: .82rem; font-weight: 700; display: grid; place-items: center;
}
.time { font-variant-numeric: tabular-nums; font-weight: 600; font-size: .95rem; }
.time small { font-weight: 400; color: var(--on-surface-variant); font-size: .75rem; margin-left: .25rem; }
.badge {
  margin-left: auto; flex: none; padding: .12rem .45rem; border-radius: .45rem;
  background: var(--accent, var(--t-other)); color: #fff; font-size: .68rem;
  font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
}
.card-now-flag {
  flex: none; padding: .12rem .45rem; border-radius: .45rem;
  background: var(--pri); color: var(--on-pri); font-size: .68rem; font-weight: 700;
}
.subject { font-size: 1rem; font-weight: 600; margin: 0 0 .15rem; }
.meta { display: grid; gap: .18rem; font-size: .84rem; color: var(--on-surface-variant); }
.meta b { font-weight: 600; color: var(--on-surface); }
.meta .row-i { display: flex; gap: .4rem; }
.meta .row-i > span:first-child { flex: none; width: 1.1rem; text-align: center; opacity: .7; }
.links { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .45rem; }
.link-chip {
  display: inline-block; padding: .25rem .6rem; border-radius: 999px;
  background: var(--pri-container); color: var(--on-pri-container);
  font-size: .78rem; font-weight: 600;
}
.note { margin-top: .35rem; font-size: .8rem; color: var(--on-surface-variant); }
html[data-compact="1"] .meta, html[data-compact="1"] .note { display: none; }
html[data-compact="1"] .card { padding-top: .55rem; padding-bottom: .55rem; }

/* ===================== Пусто / уведомления ===================== */
.empty { text-align: center; color: var(--on-surface-variant); padding: 1.2rem .5rem; font-size: .92rem; }
.empty.big { padding: 2.2rem .5rem; display: grid; gap: .7rem; justify-items: center; }
.empty-icon { font-size: 2rem; }

.notice {
  background: var(--surface-variant); color: var(--on-surface-variant);
  border-radius: var(--radius-sm); padding: .55rem .7rem; margin-bottom: var(--gap);
  font-size: .82rem;
}
.notice.warn { background: var(--error-container); color: var(--on-error-container); }

.foot { padding: 1.2rem .25rem .5rem; text-align: center; }
.updated { font-size: .74rem; color: var(--on-surface-variant); }
.foot-links {
  display: flex; flex-wrap: wrap; gap: .9rem; justify-content: center; margin-top: .6rem;
  font-size: .74rem;
}
.foot-links a { color: var(--on-surface-variant); text-decoration: underline; }

/* ===================== Кнопки ===================== */
.btn {
  border: 0; cursor: pointer; border-radius: 999px; padding: .6rem 1.1rem;
  font-size: .92rem; font-weight: 600; background: var(--pri); color: var(--on-pri);
}
.btn.ghost { background: var(--pri-container); color: var(--on-pri-container); }

/* ===================== Выбор института и группы ===================== */
.setup-head { position: relative; padding: calc(1.4rem + env(safe-area-inset-top)) 0 .3rem; }
.setup-title { margin: 0; font-size: 1.5rem; font-weight: 700; }
.setup-sub { margin: .3rem 0 0; font-size: .88rem; color: var(--on-surface-variant); }
.setup-close { position: absolute; right: 0; top: calc(1.2rem + env(safe-area-inset-top)); }
.setup-search { padding: .9rem 0 .5rem; position: sticky; top: 0; background: var(--bg); z-index: 5; }
.field {
  width: 100%; border: 1px solid var(--outline-variant); background: var(--surface);
  color: var(--on-surface); border-radius: 999px; padding: .65rem 1rem; outline: none;
}
.field:focus { border-color: var(--pri); }

.pick-list { display: grid; gap: .4rem; }
.pick {
  display: block; width: 100%; text-align: left; border: 0; cursor: pointer;
  background: var(--surface); color: var(--on-surface); border-radius: var(--radius-sm);
  padding: .7rem .85rem; box-shadow: 0 1px 3px var(--shadow);
}
.pick-name { font-weight: 600; font-size: .96rem; }
.pick-sub { font-size: .8rem; color: var(--on-surface-variant); margin-top: .1rem; }
.setup-back { margin: 1rem auto 0; display: block; }

/* ===================== Настройки ===================== */
.settings { display: grid; gap: .4rem; padding-bottom: 1rem; }
.section {
  margin: 1.1rem .35rem .25rem; font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em; color: var(--pri);
}
.row {
  display: flex; align-items: center; gap: .75rem; width: 100%; text-align: left;
  background: var(--surface); color: var(--on-surface); border: 0;
  border-radius: var(--radius-sm); padding: .8rem .9rem; box-shadow: 0 1px 3px var(--shadow);
}
.row.column { display: grid; gap: .6rem; }
.row.tappable { cursor: pointer; }
.row-text { display: grid; gap: .15rem; flex: 1; min-width: 0; }
.row-title { font-size: .95rem; font-weight: 600; }
.row-sub { font-size: .8rem; color: var(--on-surface-variant); }
.row-chevron { flex: none; color: var(--on-surface-variant); }

.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip {
  border: 1px solid var(--outline-variant); background: transparent; color: var(--on-surface);
  border-radius: 999px; padding: .35rem .85rem; font-size: .85rem; cursor: pointer;
}
.chip.on { background: var(--pri); color: var(--on-pri); border-color: var(--pri); }

.swatches { display: flex; flex-wrap: wrap; gap: .6rem; }
.swatch {
  width: 2.4rem; height: 2.4rem; border-radius: 50%; cursor: pointer;
  border: 2px solid transparent; display: grid; place-items: center;
  color: #fff; font-size: 1rem; box-shadow: 0 1px 3px var(--shadow);
}
.swatch.on { border-color: var(--on-surface); }

.scale-row { display: flex; align-items: center; gap: .75rem; }
.slider { flex: 1; accent-color: var(--pri); }
.scale-val { font-variant-numeric: tabular-nums; font-weight: 600; min-width: 3.2rem; text-align: right; }

.switch-row { cursor: pointer; }
.switch {
  flex: none; appearance: none; -webkit-appearance: none; width: 3rem; height: 1.7rem;
  border-radius: 999px; background: var(--surface-variant); position: relative;
  cursor: pointer; transition: background .18s;
}
.switch::after {
  content: ""; position: absolute; top: .22rem; left: .22rem; width: 1.26rem; height: 1.26rem;
  border-radius: 50%; background: var(--outline); transition: transform .18s, background .18s;
}
.switch:checked { background: var(--pri); }
.switch:checked::after { transform: translateX(1.3rem); background: var(--on-pri); }

.about { font-size: .78rem; color: var(--on-surface-variant); padding: .8rem .4rem 0; margin: 0; }
.about-ver { display: block; margin-top: .2rem; opacity: .75; }

/* ===================== Подсказка установки на iPhone ===================== */
.ios-hint {
  position: fixed; left: .6rem; right: .6rem; bottom: calc(.6rem + env(safe-area-inset-bottom));
  z-index: 30; display: flex; align-items: center; gap: .5rem;
  background: var(--pri); color: var(--on-pri);
  border-radius: var(--radius); padding: .65rem .5rem .65rem .9rem;
  box-shadow: 0 6px 24px var(--shadow); max-width: 760px; margin: 0 auto;
}
.ios-hint-body { display: grid; gap: .15rem; font-size: .82rem; flex: 1; }
.hint-btn { flex: none; padding: .45rem .9rem; font-size: .85rem; }
.ios-hint .icon-btn { color: var(--on-pri); }
.ios-share { font-weight: 700; }

/* ===================== Тост ===================== */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(1.2rem + env(safe-area-inset-bottom)); z-index: 40;
  background: var(--on-surface); color: var(--surface);
  padding: .6rem 1rem; border-radius: 999px; font-size: .85rem;
  box-shadow: 0 4px 18px var(--shadow); max-width: 90vw; text-align: center;
}

/* ===================== Широкие экраны: планшет, раскрытый Fold ===================== */
@media (min-width: 620px) {
  .lessons { grid-template-columns: 1fr 1fr; align-items: start; }
  .banner { display: grid; }
  .days { grid-auto-columns: 1fr; }
}
@media (min-width: 900px) {
  .app { max-width: 900px; }
}

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

/* ===================== Уведомление о хранении данных ===================== */
.consent {
  position: fixed; left: .6rem; right: .6rem; bottom: calc(.6rem + env(safe-area-inset-bottom));
  z-index: 35; display: flex; align-items: center; gap: .75rem;
  background: var(--surface); color: var(--on-surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius); padding: .75rem .85rem;
  box-shadow: 0 6px 24px var(--shadow); max-width: 760px; margin: 0 auto;
}
.consent-body { display: grid; gap: .2rem; font-size: .8rem; flex: 1; line-height: 1.35; }
.consent-body strong { font-size: .9rem; }
.consent-body a { text-decoration: underline; }
.consent-ok { flex: none; padding: .5rem 1rem; font-size: .88rem; }

/* ===================== Правовые страницы (соглашение, политика) ===================== */
.doc { padding-top: calc(.8rem + env(safe-area-inset-top)); max-width: 720px; margin: 0 auto; }
.doc-back { display: inline-block; margin-bottom: 1rem; }
.doc h1 { font-size: 1.45rem; line-height: 1.25; margin: 0 0 .3rem; }
.doc h2 {
  font-size: 1.02rem; margin: 1.6rem 0 .5rem; color: var(--pri);
}
.doc h3 { font-size: .95rem; margin: 1rem 0 .35rem; }
.doc p, .doc li { font-size: .92rem; line-height: 1.55; color: var(--on-surface); }
.doc p { margin: .5rem 0; }
.doc ul, .doc ol { margin: .5rem 0; padding-left: 1.3rem; }
.doc li { margin: .3rem 0; }
.doc a { text-decoration: underline; word-break: break-word; }
.doc-date { font-size: .82rem; color: var(--on-surface-variant); margin: 0 0 .4rem; }
.doc-lead {
  background: var(--surface); border-radius: var(--radius);
  padding: .8rem .9rem; margin: 1rem 0 .2rem;
  box-shadow: 0 1px 3px var(--shadow);
}
.doc-lead p { margin: .25rem 0; font-size: .88rem; }
.doc-foot {
  margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--outline-variant);
  font-size: .84rem; color: var(--on-surface-variant);
}