/*
 * Оформление.
 *
 * Плотный, спокойный интерфейс без украшательств. Администратор смотрит сюда
 * весь день и делает одно и то же действие десятки раз — важнее, чтобы
 * попадалось с первого раза, чем чтобы было нарядно.
 */

:root {
  --ink: #1c1c1e;
  --muted: #6b6b70;
  --line: #dcdce0;
  --bg: #f7f7f8;
  --card: #ffffff;
  --ok: #1a7f37;
  --ok-bg: #e8f5ec;
  --warn: #9a4b00;
  --warn-bg: #fdf1e4;
  --danger: #b3261e;
  --danger-bg: #fdecea;
  --accent: #1f4fd8;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.5 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

body.centered {
  display: grid;
  place-items: center;
  min-height: 100vh;
}

main { max-width: 900px; margin: 0 auto; padding: 20px 16px 60px; }

/* --- Шапка --- */

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 10px 16px;
}

.top nav { display: flex; gap: 16px; flex-wrap: wrap; align-items: baseline; }
.top a { color: var(--ink); text-decoration: none; }
.top a:hover { text-decoration: underline; }
.top .brand { font-weight: 600; }
.logout { display: flex; align-items: center; gap: 10px; }
.who { color: var(--muted); font-size: 14px; }

button.link {
  background: none; border: none; padding: 0;
  color: var(--accent); cursor: pointer; font: inherit;
}

/* --- Карточки --- */

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}

.card.narrow { max-width: 520px; margin: 40px auto; }
h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 17px; margin: 0 0 10px; }
.sub { color: var(--muted); margin: 0 0 14px; font-size: 14px; }
.empty { color: var(--muted); padding: 20px 0; }
.hint { color: var(--muted); font-size: 13px; }

/* --- Вход --- */

.login-card { width: min(360px, 92vw); }
.login-card label { display: block; margin-bottom: 14px; font-size: 14px; color: var(--muted); }
.login-card input {
  display: block; width: 100%; margin-top: 4px;
  padding: 9px 10px; font: inherit;
  border: 1px solid var(--line); border-radius: 6px;
}

.error {
  background: var(--danger-bg); color: var(--danger);
  padding: 9px 12px; border-radius: 6px; margin: 0 0 14px; font-size: 14px;
}

button.primary {
  background: var(--accent); color: #fff; border: none;
  padding: 10px 18px; border-radius: 6px; font: inherit; cursor: pointer;
}

/* --- Экран дня --- */

.day-head {
  display: flex; justify-content: space-between; align-items: baseline;
  flex-wrap: wrap; gap: 12px; margin-bottom: 14px;
}
.day-nav { display: flex; gap: 14px; font-size: 14px; }
.day-nav a { color: var(--accent); text-decoration: none; }

.lessons { list-style: none; padding: 0; margin: 0; }

.lesson {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 8px;
}
.lesson.done { opacity: 0.72; }

.lesson-main {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
}
.time { font-variant-numeric: tabular-nums; font-weight: 600; min-width: 48px; }
.child { font-weight: 500; color: var(--ink); text-decoration: none; }
.child:hover { text-decoration: underline; }
.meta { color: var(--muted); font-size: 14px; }

.balance {
  margin-left: auto; font-size: 14px; color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.balance.low { color: var(--warn); font-weight: 600; }
.balance.single { font-style: italic; }

.lesson-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; align-items: flex-start; }
.inline { display: inline; }

.lesson-actions button {
  padding: 7px 14px; border-radius: 6px; font: inherit; cursor: pointer;
  border: 1px solid var(--line); background: var(--card);
}
button.ok { background: var(--ok-bg); border-color: #bcdcc6; color: var(--ok); }
button.warn { background: var(--warn-bg); border-color: #eccfae; color: var(--warn); }

details.cancel summary {
  cursor: pointer; padding: 7px 14px; border: 1px solid var(--line);
  border-radius: 6px; background: var(--card); font-size: 16px; list-style: none;
}
details.cancel summary::-webkit-details-marker { display: none; }

.cancel-form {
  margin-top: 10px; padding: 14px;
  border: 1px solid var(--line); border-radius: 6px; background: var(--bg);
}
.cancel-form .radio { display: block; margin-bottom: 8px; }
.cancel-form .warned { margin: 0 0 12px 24px; font-size: 14px; color: var(--muted); }
.cancel-form input[type="date"], .cancel-form input[type="time"] {
  font: inherit; padding: 5px 7px; border: 1px solid var(--line); border-radius: 5px;
}
.cancel-form .hint { margin: 10px 0 12px; }

.lesson-outcome { margin-top: 8px; display: flex; gap: 10px; font-size: 14px; }
.status { font-weight: 500; }
.status-conducted { color: var(--ok); }
.status-no_show, .status-late_cancel, .status-burned { color: var(--warn); }
.status-center_fault, .status-sick_certified, .status-early_cancel { color: var(--muted); }
.debit { color: var(--muted); }

/* --- Требуют внимания --- */

.attention {
  margin-top: 26px; background: var(--warn-bg);
  border: 1px solid #eccfae; border-radius: var(--radius); padding: 14px 18px;
}
.attention h2 { color: var(--warn); }
.attention ul { list-style: none; padding: 0; margin: 0; }
.attention li { display: flex; justify-content: space-between; padding: 5px 0; }
.attention a { color: var(--ink); }
.attention .count { font-weight: 600; font-variant-numeric: tabular-nums; }

/* --- Карточка ученика --- */

.contact { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; margin: 0 0 14px; font-size: 15px; }
.contact dt { color: var(--muted); }
.contact dd { margin: 0; }

.ok-badge { background: var(--ok-bg); color: var(--ok); padding: 2px 8px; border-radius: 4px; font-size: 13px; }
.warn-badge { background: var(--warn-bg); color: var(--warn); padding: 2px 8px; border-radius: 4px; font-size: 13px; }

.attendance { margin: 0; font-size: 15px; }
.attendance .hint { display: block; margin-top: 2px; }

.subscription.past { opacity: 0.82; }
.tag {
  font-size: 12px; font-weight: 400; color: var(--ok);
  background: var(--ok-bg); padding: 2px 8px; border-radius: 4px; margin-left: 6px;
}

table.history { width: 100%; border-collapse: collapse; font-size: 14px; }
table.history th {
  text-align: left; color: var(--muted); font-weight: 400;
  border-bottom: 1px solid var(--line); padding: 6px 8px 6px 0;
}
table.history td { padding: 7px 8px 7px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
table.history .detail { color: var(--muted); font-size: 13px; margin-top: 2px; }
table.history .who { color: var(--muted); font-size: 13px; white-space: nowrap; }
table.history tr.adjustment td { background: var(--ok-bg); }

/* --- Узкий экран --- */

@media (max-width: 640px) {
  .balance { margin-left: 0; width: 100%; }
  table.history .who { white-space: normal; }
  .top nav { gap: 12px; font-size: 15px; }
}

/* --- Фильтры на списках --- */

.filters {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  margin-bottom: 14px;
}
.filters input[type="search"] { min-width: 260px; flex: 1; }
.filters input, .filters select, .filters button {
  font: inherit; padding: 7px 10px;
  border: 1px solid var(--line); border-radius: 6px; background: var(--card);
}
.filters button { cursor: pointer; }
.filters .reset { color: var(--muted); font-size: 14px; text-decoration: none; }

/* --- Таблицы-списки --- */

table.list {
  width: 100%; border-collapse: collapse; font-size: 14px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
}
table.list th {
  text-align: left; font-weight: 500; color: var(--muted);
  padding: 9px 12px; border-bottom: 1px solid var(--line); background: var(--bg);
}
table.list td { padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list tr:last-child td { border-bottom: none; }
table.list tr.dim { opacity: 0.6; }
table.list a { color: var(--ink); }
.detail { color: var(--muted); font-size: 13px; margin-top: 2px; }
.muted { color: var(--muted); }
.low { color: var(--warn); font-weight: 600; }
.nowrap { white-space: nowrap; }
.clip { max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- Задачи --- */

.task-head { display: flex; gap: 12px; align-items: baseline; margin-bottom: 10px; flex-wrap: wrap; }
.task-head .when { margin-left: auto; font-size: 13px; }
pre.message {
  background: var(--bg); border: 1px solid var(--line); border-radius: 6px;
  padding: 12px; margin: 0 0 12px; white-space: pre-wrap; font: inherit; font-size: 14px;
}

/* --- Журнал --- */

.chain { font-size: 15px; }
.chain-ok { background: var(--ok-bg); border-color: #bcdcc6; }
.chain-broken { background: var(--danger-bg); border-color: #f0c2bd; color: var(--danger); }
.chain .detail { margin-top: 8px; }
table.audit .details { color: var(--muted); font-size: 13px; }

/* --- Настройки --- */

.setting { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.setting input[type="number"] {
  width: 90px; font: inherit; padding: 6px 8px;
  border: 1px solid var(--line); border-radius: 5px;
}
.check { display: block; margin-bottom: 10px; }
.check .hint { display: block; margin-left: 24px; }
.saved {
  background: var(--ok-bg); color: var(--ok);
  padding: 9px 12px; border-radius: 6px; margin-bottom: 14px;
}

/* --- Исправление списания --- */

details.fix summary {
  cursor: pointer; color: var(--accent); font-size: 13px;
  margin-top: 4px; list-style: none;
}
details.fix summary::-webkit-details-marker { display: none; }
.fix-form {
  margin-top: 8px; padding: 12px; width: min(340px, 80vw);
  border: 1px solid var(--line); border-radius: 6px; background: var(--bg);
}
.fix-form .radio { display: block; margin-bottom: 6px; font-size: 14px; color: var(--ink); }
.fix-form textarea {
  width: 100%; font: inherit; font-size: 14px; margin: 8px 0;
  padding: 7px 9px; border: 1px solid var(--line); border-radius: 5px; resize: vertical;
}

/* --- Формы --- */

.page-head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 12px; flex-wrap: wrap; margin-bottom: 6px;
}

a.button-link {
  display: inline-block; padding: 7px 14px; border-radius: 6px;
  border: 1px solid var(--line); background: var(--card);
  color: var(--ink); text-decoration: none; font-size: 15px;
}
a.button-link:hover { background: var(--bg); text-decoration: none; }
a.button-link.small { padding: 7px 14px; font-size: 16px; }

.form { max-width: 560px; }
.form fieldset { border: none; padding: 0; margin: 0 0 22px; }
.form legend {
  padding: 0; margin-bottom: 12px; font-size: 15px; font-weight: 600;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em;
}

.field { display: block; margin-bottom: 14px; }
.field > span:first-child { display: block; font-size: 14px; color: var(--muted); margin-bottom: 4px; }
.field input, .field select, .field textarea {
  display: block; width: 100%; font: inherit;
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--card);
}
.field textarea { resize: vertical; }
.field .hint { display: block; margin-top: 4px; }
.field .row { display: flex; gap: 8px; }
.field .row input { width: auto; flex: 1; }

.form-actions { display: flex; gap: 14px; align-items: center; }
.form-actions a { color: var(--muted); font-size: 14px; }

.note-box { background: var(--bg); font-size: 14px; }
.error-box { background: var(--danger-bg); border-color: #f0c2bd; font-size: 14px; }

/* --- Действия в карточке --- */

.card-actions {
  display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-start;
  margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 14px;
}
.card-actions > a { color: var(--accent); text-decoration: none; }
.card-actions > a:hover { text-decoration: underline; }

details.single summary { cursor: pointer; color: var(--accent); list-style: none; }
details.single summary::-webkit-details-marker { display: none; }
.single-form {
  margin-top: 10px; padding: 14px; width: min(320px, 86vw);
  border: 1px solid var(--line); border-radius: 6px; background: var(--bg);
}

.close-sub { float: right; font-size: 13px; font-weight: 400; }

/* --- Расписание --- */

ul.rules { list-style: none; padding: 0; margin: 0; }
ul.rules li {
  display: flex; align-items: baseline; gap: 14px;
  padding: 8px 0; border-bottom: 1px solid var(--line);
}
ul.rules li:last-child { border-bottom: none; }
.rule-day { min-width: 120px; }
.rule-time { font-variant-numeric: tabular-nums; font-weight: 600; }

select.slots { font-variant-numeric: tabular-nums; }

/* --- Лиды --- */

.inline-status select {
  font: inherit; font-size: 13px; padding: 3px 6px;
  border: 1px solid var(--line); border-radius: 5px; background: var(--card);
}
a.convert { display: block; margin-top: 4px; font-size: 13px; color: var(--accent); }

/* --- Сотрудники, педагоги, направления --- */

.row-actions { display: flex; gap: 12px; align-items: flex-start; flex-wrap: wrap; }
.row-actions details summary {
  cursor: pointer; color: var(--accent); font-size: 13px; list-style: none; white-space: nowrap;
}
.row-actions details summary::-webkit-details-marker { display: none; }

.mini-form {
  margin-top: 8px; padding: 10px; width: min(260px, 80vw);
  border: 1px solid var(--line); border-radius: 6px; background: var(--bg);
}
.mini-form input {
  width: 100%; font: inherit; font-size: 14px; margin-bottom: 8px;
  padding: 6px 8px; border: 1px solid var(--line); border-radius: 5px;
}

.teacher-head { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; margin-bottom: 8px; }
.teacher details summary {
  cursor: pointer; color: var(--accent); font-size: 14px; list-style: none;
}
.teacher details summary::-webkit-details-marker { display: none; }
.teacher details > * { margin-top: 12px; }

.inline-check { display: inline-block; margin-right: 16px; margin-bottom: 6px; }

.filters a { color: var(--accent); text-decoration: none; font-size: 14px; }
.filters a.current-filter { color: var(--ink); font-weight: 600; text-decoration: none; }

table.list select:disabled { color: var(--muted); background: var(--bg); }

/* --- Сводка --- */

.tiles {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px; margin-bottom: 14px;
}
.tile {
  background: var(--bg); border: 1px solid var(--line); border-radius: 6px;
  padding: 12px 14px;
}
.tile-warn { background: var(--warn-bg); border-color: #eccfae; }
.tile-value {
  display: block; font-size: 24px; font-weight: 600;
  font-variant-numeric: tabular-nums; line-height: 1.2;
}
.tile-warn .tile-value { color: var(--warn); }
.tile-label { display: block; color: var(--muted); font-size: 13px; margin-top: 2px; }

table.list td.num, table.list th.num {
  text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap;
}
table.compact td { padding: 6px 12px 6px 0; }