/* Академиялық күнтізбе — ашық (әдепкі) және қараңғы тақырып. */

:root {
  --bg: #eef2f7;
  --panel: #ffffff;
  --panel-2: #f6f8fb;
  --border: #cbd5e1;
  --border-strong: #94a3b8;
  --text: #0b1220;
  --muted: #4b5b70;

  --accent: #1d4ed8;
  --accent-2: #3b82f6;
  --accent-soft: #d8e4ff;
  --accent-ink: #12327f;

  --holiday: #d61f3c;
  --holiday-soft: #ffd9de;
  --holiday-ink: #8c0f24;

  --vacation: #e06100;
  --vacation-soft: #ffe2c2;
  --vacation-ink: #8a3c00;

  --grade: #6d28d9;
  --grade-soft: #e6ddff;
  --grade-ink: #4a1a96;

  --ok: #04824f;
  --ok-soft: #c6f2dd;
  --ok-ink: #045c39;

  --weekend-bg: #e3e9f1;
  --today-ring: #1d4ed8;

  --radius: 12px;
  --shadow: 0 1px 2px rgba(11, 18, 32, .06), 0 10px 28px rgba(11, 18, 32, .07);
}

:root[data-theme="dark"] {
  --bg: #080e1a;
  --panel: #121c2e;
  --panel-2: #0d1524;
  --border: #2b3d59;
  --border-strong: #486084;
  --text: #eaf0f9;
  --muted: #9fb0c6;

  --accent: #5b9bff;
  --accent-2: #7cb2ff;
  --accent-soft: #16305e;
  --accent-ink: #b9d3ff;

  --holiday: #ff6b7f;
  --holiday-soft: #55131f;
  --holiday-ink: #ffc0c9;

  --vacation: #ff9640;
  --vacation-soft: #57290a;
  --vacation-ink: #ffd0a8;

  --grade: #b18cff;
  --grade-soft: #35205e;
  --grade-ink: #dccdff;

  --ok: #2fcf8d;
  --ok-soft: #0b3f2b;
  --ok-ink: #a5f0cd;

  --weekend-bg: #17223a;
  --today-ring: #5b9bff;

  --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 10px 28px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 "Segoe UI", system-ui, -apple-system, sans-serif;
}

.wrap { max-width: 1240px; margin: 0 auto; padding: 20px 18px 64px; }
.spacer { flex: 1; }
.mt { margin-top: 12px; }

/* ---------- шапка ---------- */

header.top {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px;
  padding: 14px 18px; margin-bottom: 14px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
header.top h1 { font-size: 19px; margin: 0; font-weight: 700; letter-spacing: -.01em; }
header.top .sub { color: var(--muted); font-size: 13px; margin-top: 2px; }
.controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button {
  border: 0; background: var(--panel-2); color: var(--muted);
  padding: 6px 11px; font: inherit; font-size: 12px; font-weight: 700;
  letter-spacing: .04em; cursor: pointer;
}
.seg button + button { border-left: 1px solid var(--border); }
.seg button.active { background: var(--accent); color: #fff; }

.picker-btn { display: inline-flex; align-items: center; gap: 8px; max-width: 300px; }
.picker-label {
  font-size: 11px; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: .05em; flex: none;
}
.picker-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.picker-btn:hover .picker-label { color: var(--accent); }

.role {
  font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--border);
}
.role.admin { background: var(--ok-soft); color: var(--ok-ink); border-color: transparent; }

.notice {
  display: none; align-items: center; gap: 8px;
  padding: 10px 16px; margin-bottom: 14px; font-size: 14px;
  border-radius: var(--radius);
  background: var(--vacation-soft); color: var(--vacation-ink);
  border: 1px solid var(--vacation);
}
.notice.show { display: flex; }
/* пояснение, а не предупреждение — спокойный синий вместо оранжевого */
.notice.shared {
  background: var(--accent-soft); color: var(--accent-ink); border-color: var(--accent);
}

/* ---------- вкладки ---------- */

nav.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
nav.tabs button {
  border: 1px solid var(--border); background: var(--panel); color: var(--muted);
  padding: 8px 15px; border-radius: 999px; cursor: pointer; font: inherit; font-size: 14px;
}
nav.tabs button:hover { color: var(--text); border-color: var(--border-strong); }
nav.tabs button.active {
  background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600;
}

.tab-page { display: none; }
.tab-page.active { display: block; }

/* ---------- карточки и формы ---------- */

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px 18px; margin-bottom: 16px;
}
.card.accent-card { border-left: 5px solid var(--accent); }
.card h2 { font-size: 15px; margin: 0; font-weight: 700; }
.card .hint { color: var(--muted); font-size: 13px; margin: 5px 0 12px; }

.grid { display: grid; gap: 12px; }
.grid.c2 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

label.f { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; font-weight: 500; }

input[type=text], input[type=date], input[type=time], input[type=number],
input[type=password], select, textarea {
  width: 100%; padding: 9px 11px; font: inherit; font-size: 14px;
  color: var(--text); background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 8px;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent;
}
textarea { resize: vertical; min-height: 96px; font-family: inherit; }

button.btn {
  padding: 8px 15px; font: inherit; font-size: 14px; font-weight: 500;
  border-radius: 8px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); cursor: pointer;
}
button.btn:hover { border-color: var(--accent); color: var(--accent); }
button.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.btn.primary:hover { background: var(--accent-2); border-color: var(--accent-2); color: #fff; }
button.btn.danger:hover { border-color: var(--holiday); color: var(--holiday); }
button.btn.sm { padding: 5px 10px; font-size: 13px; }
button.btn.icon { padding: 5px 9px; font-size: 15px; }
button.btn:disabled { opacity: .5; cursor: default; }

.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.row.end { justify-content: flex-end; }

.err { color: var(--holiday); font-size: 13px; min-height: 18px; margin-top: 6px; }

/* права доступа */
body:not(.is-admin) .admin-only { display: none !important; }

/* ---------- календарь семестра ---------- */

.cal-head { display: flex; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.cal-scroll { overflow-x: auto; margin: 0 -4px; padding: 0 4px; }

table.cal { width: 100%; border-collapse: separate; border-spacing: 5px; table-layout: fixed; min-width: 720px; }
table.cal th {
  font-size: 11px; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: .06em; padding: 4px 0 6px;
  position: sticky; top: 0; background: var(--panel); z-index: 2;
}
table.cal th.wcol, table.cal td.wcol { width: 66px; }

td.wcol {
  vertical-align: middle; text-align: center; border-radius: 9px; padding: 6px 2px;
  background: var(--accent-soft); color: var(--accent-ink);
  font-size: 19px; font-weight: 800; line-height: 1.1;
}
td.wcol small { display: block; font-weight: 600; font-size: 10px; opacity: .85; letter-spacing: .03em; }
td.wcol.vac { background: var(--vacation-soft); color: var(--vacation-ink); font-size: 12px; }

tr.month-row td {
  padding: 12px 4px 2px; font-size: 13px; font-weight: 800;
  color: var(--muted); text-transform: uppercase; letter-spacing: .08em;
}

td.day {
  height: 82px; vertical-align: top; padding: 6px 7px;
  border: 1px solid var(--border); border-radius: 9px;
  background: var(--panel); position: relative;
}
body.is-admin td.day { cursor: pointer; }
body.is-admin td.day:hover { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
td.day.out { opacity: .3; }
td.day.weekend { background: var(--weekend-bg); }
td.day.holiday { background: var(--holiday-soft); border-color: var(--holiday); }
td.day.vacation { background: var(--vacation-soft); border-color: var(--vacation); }
td.day.today { outline: 3px solid var(--today-ring); outline-offset: 1px; }
td.day .num { font-weight: 700; font-size: 15px; }
td.day.holiday .num { color: var(--holiday-ink); }
td.day.vacation .num { color: var(--vacation-ink); }
td.day .dow { font-size: 10px; color: var(--muted); font-weight: 600; float: right; }

td.day .tag {
  display: block; font-size: 11px; line-height: 1.3; margin-top: 4px;
  padding: 2px 6px; border-radius: 5px; overflow: hidden;
  white-space: nowrap; text-overflow: ellipsis; font-weight: 600;
}
.tag.h { background: var(--holiday); color: #fff; }
.tag.v { background: var(--vacation); color: #fff; }
.tag.g { background: var(--grade); color: #fff; }

.legend { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 16px; font-size: 13px; color: var(--muted); }
.legend > span { display: flex; align-items: center; gap: 7px; }
.legend i { width: 16px; height: 16px; border-radius: 5px; display: inline-block; border: 1px solid var(--border); }
.sw-weekend { background: var(--weekend-bg); }
.sw-holiday { background: var(--holiday-soft); border-color: var(--holiday) !important; }
.sw-vacation { background: var(--vacation-soft); border-color: var(--vacation) !important; }
.sw-grade { background: var(--grade); border-color: var(--grade) !important; }
.sw-today { background: var(--panel); box-shadow: 0 0 0 2px var(--today-ring) inset; }

/* ---------- таблицы ---------- */

table.list { width: 100%; border-collapse: collapse; font-size: 14px; }
table.list th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); font-weight: 700; padding: 8px 10px; border-bottom: 2px solid var(--border);
}
table.list td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.list tr:last-child td { border-bottom: 0; }
table.list tr.vac td { background: var(--vacation-soft); }
table.list tr.now td { background: var(--accent-soft); }
table.list td.n {
  text-align: center; font-weight: 800; font-size: 17px; color: var(--accent-ink);
  background: var(--accent-soft); width: 62px; border-radius: 8px;
}
table.list tr.vac td.n { background: var(--vacation-soft); color: var(--vacation-ink); font-size: 14px; }

.badge {
  display: inline-block; padding: 3px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 600; background: var(--panel-2); color: var(--muted);
  border: 1px solid var(--border); margin: 1px 3px 1px 0;
}
.badge.g { background: var(--grade-soft); color: var(--grade-ink); border-color: transparent; }
.badge.ok { background: var(--ok-soft); color: var(--ok-ink); border-color: transparent; }
.badge.h { background: var(--holiday-soft); color: var(--holiday-ink); border-color: transparent; }
.badge.v { background: var(--vacation-soft); color: var(--vacation-ink); border-color: transparent; }
.badge.a { background: var(--accent-soft); color: var(--accent-ink); border-color: transparent; }

.empty { color: var(--muted); font-size: 14px; padding: 22px; text-align: center; }

.msg-preview {
  white-space: pre-wrap; font-size: 13px; background: var(--panel-2);
  border: 1px solid var(--border); border-left: 4px solid var(--ok);
  border-radius: 8px; padding: 11px 13px; margin-top: 10px;
}

/* ---------- сводка ---------- */

.stat { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.stat div {
  flex: 1 1 130px; padding: 12px 14px; border-radius: 10px;
  background: var(--panel-2); border: 1px solid var(--border);
}
.stat b { display: block; font-size: 26px; font-weight: 800; line-height: 1.15; letter-spacing: -.02em; }
.stat span { font-size: 12px; color: var(--muted); }
.stat div.hl { background: var(--accent-soft); border-color: transparent; }
.stat div.hl b, .stat div.hl span { color: var(--accent-ink); }

/* ---------- служебное ---------- */

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--panel); padding: 11px 20px;
  border-radius: 999px; font-size: 14px; font-weight: 500; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 60;
}
.toast.show { opacity: 1; }

dialog {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 0;
  background: var(--panel); color: var(--text); max-width: 460px; width: calc(100% - 32px);
  box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(8, 14, 26, .55); }
dialog .dlg-body { padding: 20px; }
dialog h3 { margin: 0 0 14px; font-size: 17px; }

/* ---------- полноэкранный выбор календаря ---------- */

dialog.fullscreen {
  width: 100vw; height: 100vh; max-width: 100vw; max-height: 100vh;
  margin: 0; padding: 0; border: 0; border-radius: 0;
  background: var(--bg); color: var(--text);
}
dialog.fullscreen::backdrop { background: var(--bg); }

.chooser {
  height: 100%; overflow-y: auto;
  max-width: 1140px; margin: 0 auto; padding: 40px 22px 56px;
}
.chooser-head { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.chooser-head h2 { margin: 0; font-size: 25px; font-weight: 750; letter-spacing: -.02em; }
.chooser-head .hint { margin: 6px 0 0; max-width: 60ch; }
.chooser-filter { margin-bottom: 20px; }

.chooser-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(264px, 1fr)); }

.cal-card {
  display: flex; flex-direction: column; gap: 5px; text-align: left;
  padding: 18px 20px; font: inherit; color: var(--text); cursor: pointer;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  transition: border-color .12s, transform .12s;
}
.cal-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.cal-card:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.cal-card.active { border-color: var(--accent); box-shadow: inset 0 0 0 2px var(--accent), var(--shadow); }
.cal-card-name { font-size: 17px; font-weight: 700; line-height: 1.3; }
.cal-card-sem { font-size: 13px; color: var(--muted); font-weight: 600; }
.cal-card-period { font-size: 13px; color: var(--muted); }
.cal-card-meta { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }

@media (max-width: 560px) {
  .chooser { padding: 26px 16px 40px; }
  .chooser-head h2 { font-size: 21px; }
  .chooser-grid { grid-template-columns: 1fr; }
}

.chk { display: flex; align-items: center; gap: 7px; font-size: 14px; margin: 3px 0; cursor: pointer; }
.chk input { width: 16px; height: 16px; accent-color: var(--accent); }

@media (max-width: 640px) {
  .wrap { padding: 14px 12px 48px; }
  header.top { gap: 10px; }
  .stat div { flex-basis: 100px; }
  .stat b { font-size: 21px; }
}

@media print {
  nav.tabs, .controls, .notice, .legend, button, .cal-head .btn, dialog { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; break-inside: avoid; border-color: #999; }
  .cal-scroll { overflow: visible; }
  table.cal { min-width: 0; }
  .tab-page { display: block !important; }
}