:root {
  --paper: #faf8f4;
  --card: #ffffff;
  --ink: #23272f;
  --muted: #7b8290;
  --line: #e6e2da;
  --accent: #2f6f5e;
  --accent-soft: #e7f1ed;
  --warn: #b4713c;
  --warn-soft: #fbf1e6;
  --bad: #b2483f;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(35, 39, 47, .06), 0 6px 20px rgba(35, 39, 47, .05);
}

* { box-sizing: border-box; }

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 26px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0; }
h3 { font-size: 16px; margin: 0 0 4px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.error { color: var(--bad); background: #fdeeec; padding: 8px 12px; border-radius: 8px; }

/* ── шапка ───────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 12px 28px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; font-size: 18px; color: var(--ink); letter-spacing: .3px; }
.topbar nav { display: flex; gap: 18px; }
.topbar nav a { color: var(--muted); padding: 4px 0; border-bottom: 2px solid transparent; }
.topbar nav a.on { color: var(--ink); border-bottom-color: var(--accent); }
.topbar nav a:hover { text-decoration: none; color: var(--ink); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.who { color: var(--muted); font-size: 14px; }

/* ── раскладка ───────────────────────────────────────────── */
.wrap { max-width: 1120px; margin: 0 auto; padding: 24px 28px 60px; }
.auth { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: 100%; max-width: 380px; }
.auth-brand { text-align: center; margin-bottom: 2px; }
.auth .muted { text-align: center; }

.page-head { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head > div:first-child { flex: 1; }
.week-nav { display: flex; gap: 8px; flex-wrap: wrap; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 18px; box-shadow: var(--shadow);
}
.card.warn { border-color: #eed9bf; background: var(--warn-soft); }
.card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.card-head h2 { flex: 1; }
.link-more { font-size: 13px; color: var(--muted); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }

/* ── счётчики ────────────────────────────────────────────── */
.tiles { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.tile {
  flex: 1 1 150px; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px; display: flex; flex-direction: column; gap: 2px;
}
.tile-n { font-size: 28px; font-weight: 600; line-height: 1.1; }
.tile-l { font-size: 12px; color: var(--muted); }

/* ── формы ───────────────────────────────────────────────── */
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
input, select, textarea {
  font: inherit; color: var(--ink); background: #fff;
  border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea { resize: vertical; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.row > label { flex: 0 1 150px; }
.row > label.grow { flex: 1 1 200px; }
.wrap-form { margin-top: 14px; }
.small-form { margin-top: 10px; gap: 6px; }

button { font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid transparent; }
button.primary { background: var(--accent); color: #fff; padding: 8px 16px; }
button.primary:hover { background: #255a4c; }
button.ghost { background: #fff; border-color: var(--line); color: var(--ink); padding: 7px 14px; }
button.ghost:hover { border-color: var(--accent); color: var(--accent); }
a.ghost {
  background: #fff; border: 1px solid var(--line); color: var(--ink);
  padding: 7px 14px; border-radius: 8px; font-size: 14px;
}
a.ghost:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
button.link { background: none; border: none; color: var(--muted); padding: 0; font-size: 13px; }
button.link:hover { color: var(--accent); text-decoration: underline; }
button.link.danger:hover { color: var(--bad); }

.actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.chip {
  background: #fff; border: 1px solid var(--line); color: var(--muted);
  font-size: 12px; padding: 3px 9px; border-radius: 999px;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.ok:hover { background: var(--accent-soft); }
.chip.bad:hover { border-color: var(--bad); color: var(--bad); background: #fdeeec; }

.badge {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: #f0eee9; color: var(--muted); white-space: nowrap;
}
.badge.held { background: var(--accent-soft); color: var(--accent); }
.badge.cancelled { background: #f0eee9; color: var(--muted); }
.badge.no_show { background: #fdeeec; color: var(--bad); }

/* ── списки занятий ──────────────────────────────────────── */
.lesson-list { list-style: none; margin: 0; padding: 0; }
.lesson-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 9px 0; border-top: 1px solid var(--line);
}
.lesson-row:first-child { border-top: none; }
.lesson-row .when { font-variant-numeric: tabular-nums; color: var(--muted); min-width: 120px; font-size: 14px; }
.lesson-row .who-name { font-weight: 600; color: var(--ink); }
.lesson-row .topic { color: var(--muted); font-size: 14px; flex: 1; }
.lesson-row .actions { margin-left: auto; }
.lesson-row.status-cancelled .who-name { text-decoration: line-through; color: var(--muted); }

/* ── недельная сетка ─────────────────────────────────────── */
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; margin-bottom: 20px; }
.day {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px; min-height: 130px;
}
.day.today { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.day.past { background: #f7f5f1; }
.day-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.day-name { font-weight: 600; font-size: 13px; }
.day-date { font-size: 12px; color: var(--muted); }
.day .empty { color: var(--line); text-align: center; margin: 12px 0 0; }

.slot { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 6px; background: #fff; }
.slot summary {
  cursor: pointer; padding: 6px 8px; font-size: 13px; display: flex; flex-direction: column; gap: 2px;
  list-style: none;
}
.slot summary::-webkit-details-marker { display: none; }
.slot-time { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 12px; }
.slot-name { font-weight: 600; }
.slot.status-held { border-left: 3px solid var(--accent); }
.slot.status-cancelled { opacity: .6; }
.slot.status-cancelled .slot-name { text-decoration: line-through; }
.slot.status-no_show { border-left: 3px solid var(--bad); }
.slot-body { padding: 4px 8px 10px; border-top: 1px solid var(--line); }
.slot-body p { margin: 6px 0; }

/* ── ученики ─────────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; margin-bottom: 20px; }
.student-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; color: var(--ink); display: block; box-shadow: var(--shadow);
}
.student-card:hover { border-color: var(--accent); text-decoration: none; }
.student-card p { margin: 4px 0; }
.slot-line { display: flex; gap: 5px; flex-wrap: wrap; }
.pill { background: var(--accent-soft); color: var(--accent); font-size: 12px; padding: 2px 8px; border-radius: 999px; }
.counts { font-size: 13px; color: var(--muted); }

.slot-list { list-style: none; margin: 0 0 12px; padding: 0; }
.slot-list li { display: flex; align-items: center; gap: 10px; padding: 7px 0; border-top: 1px solid var(--line); }
.slot-list li:first-child { border-top: none; }
.slot-list form { margin-left: auto; }

/* ── журнал ──────────────────────────────────────────────── */
table.journal { width: 100%; border-collapse: collapse; font-size: 14px; }
table.journal.card { display: table; padding: 0; overflow: hidden; }
.journal th {
  text-align: left; font-size: 12px; color: var(--muted); font-weight: 500;
  padding: 10px 12px; border-bottom: 1px solid var(--line);
}
.journal td { padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.journal tr:last-child td { border-bottom: none; }
.journal tr.status-cancelled td { opacity: .65; }

@media (max-width: 900px) {
  .week { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .topbar { padding: 12px 16px; gap: 14px; flex-wrap: wrap; }
  .wrap { padding: 18px 16px 50px; }
}

/* ── уведомления ─────────────────────────────────────────── */
.notice { color: var(--accent); background: var(--accent-soft); padding: 8px 12px; border-radius: 8px; }
.bad-text { color: var(--bad); }
.grow { flex: 1; }
.prose { white-space: pre-line; }
[hidden] { display: none !important; }

/* ── публичная визитка ───────────────────────────────────── */
.site { max-width: 760px; margin: 0 auto; padding: 0 20px 60px; }
.site-top { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; gap: 12px; }
.site-name { font-weight: 700; font-size: 18px; }
.hero { padding: 48px 0 28px; border-bottom: 1px solid var(--line); }
.hero-kicker { color: var(--accent); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 8px; }
.hero h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.15; margin-bottom: 16px; }
.hero .prose { font-size: 17px; }
.site-block { padding: 28px 0; border-bottom: 1px solid var(--line); }
.site-block h2 { font-size: 20px; margin-bottom: 10px; }
.site-foot { padding-top: 24px; }

/* ── задания ─────────────────────────────────────────────── */
.checks { display: flex; flex-wrap: wrap; gap: 8px 16px; }
label.check { flex-direction: row; align-items: center; gap: 6px; color: var(--ink); font-size: 14px; }
label.check input { width: auto; }
.badge.st-in_progress { background: var(--warn-soft); color: var(--warn); }
.badge.st-submitted { background: #e8eefb; color: #3a5ea8; }
.badge.st-checked { background: var(--accent-soft); color: var(--accent); }

.item-edit { border-top: 1px solid var(--line); }
.item-edit summary { display: flex; gap: 10px; align-items: baseline; padding: 10px 0; cursor: pointer; list-style: none; }
.item-edit summary::-webkit-details-marker { display: none; }
.item-edit .item-form { padding: 0 0 16px 30px; }
.item-prompt { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.num {
  flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--accent-soft); color: var(--accent);
  font-size: 12px; font-weight: 600; display: inline-grid; place-items: center;
}
.new-item { border-top: 1px dashed var(--line); padding-top: 16px; margin-top: 8px; }

.work-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; position: sticky; top: 58px; z-index: 5; padding: 10px 16px; }
.q { transition: border-color .3s; }
.q.info { background: #fbfaf7; }
.q-head { display: flex; gap: 10px; align-items: baseline; margin-bottom: 10px; }
.q-head .prose { flex: 1; }
.mark { font-weight: 700; font-size: 18px; }
.q.ok { border-color: #9cc9b9; }
.q.ok .mark { color: var(--accent); }
.q.bad { border-color: #e2aaa4; }
.q.bad .mark { color: var(--bad); }
.q textarea:disabled, .q input:disabled { background: #f7f5f1; color: var(--ink); }
.opts { display: flex; flex-direction: column; gap: 6px; }
label.opt { flex-direction: row; align-items: center; gap: 8px; color: var(--ink); font-size: 15px;
  border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; cursor: pointer; }
label.opt input { width: auto; }
label.opt.right { border-color: #9cc9b9; background: var(--accent-soft); }
.key { margin-top: 6px; }
.review { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.chip.on { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.chip.bad.on { border-color: var(--bad); color: var(--bad); background: #fdeeec; }
.comment-view { margin-top: 10px; background: var(--warn-soft); border-radius: 8px; padding: 8px 12px; }
@keyframes flash { from { box-shadow: 0 0 0 3px #f3d9a6; } to { box-shadow: var(--shadow); } }
.q.flash { animation: flash 1.2s ease-out; }

@media (max-width: 900px) {
  .work-bar { top: 0; }
  .item-edit .item-form { padding-left: 0; }
}