:root {
  --blue: #1565c0;
  --blue-d: #0d47a1;
  --bg: #f2f5f9;
  --card: #ffffff;
  --text: #1c2733;
  --muted: #7a8699;
  --line: #e3e8f0;
  --green: #2e7d32;
  --green-bg: #e8f5e9;
  --red: #c62828;
  --red-bg: #ffebee;
  --amber: #ef6c00;
  --amber-bg: #fff3e0;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.4;
}

.hidden { display: none !important; }

/* ---------- Вход ---------- */
.login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border-radius: 16px;
  padding: 32px 24px;
  box-shadow: 0 8px 30px rgba(13, 71, 161, .12);
  text-align: center;
}
.login-card .logo { font-size: 48px; }
.login-card h1 { margin: 8px 0 0; color: var(--blue); letter-spacing: .04em; }
.login-card .sub { color: var(--muted); margin: 4px 0 20px; }
.login-card input {
  display: block; width: 100%;
  padding: 12px 14px; margin-bottom: 10px;
  border: 1px solid var(--line); border-radius: 10px;
  font-size: 16px;
}
.login-card .btn { width: 100%; margin-top: 6px; }

/* ---------- Каркас ---------- */
header {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--blue); color: #fff;
  padding: 12px 16px;
  position: sticky; top: 0; z-index: 20;
}
.brand { font-size: 20px; }
.brand-sub { font-size: 13px; opacity: .85; }
.user { display: flex; align-items: center; gap: 10px; font-size: 14px; }

nav {
  display: flex; gap: 4px; overflow-x: auto;
  background: var(--card); border-bottom: 1px solid var(--line);
  padding: 6px 8px; position: sticky; top: 56px; z-index: 10;
}
nav button {
  border: none; background: none; cursor: pointer;
  padding: 8px 14px; border-radius: 20px;
  font-size: 15px; color: var(--text); white-space: nowrap;
}
nav button.active { background: var(--blue); color: #fff; }

main { padding: 16px; max-width: 1080px; margin: 0 auto; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-block; border: none; cursor: pointer;
  padding: 10px 16px; border-radius: 10px;
  font-size: 15px; font-weight: 600;
  background: var(--line); color: var(--text);
  transition: filter .15s;
}
.btn:active { filter: brightness(.92); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-green { background: var(--green); color: #fff; }
.btn-red { background: var(--red); color: #fff; }
.btn-amber { background: var(--amber); color: #fff; }
.btn-ghost { background: rgba(255,255,255,.18); color: #fff; }
.btn-sm { padding: 6px 10px; font-size: 13px; border-radius: 8px; }

/* ---------- Карточки ---------- */
.card {
  background: var(--card);
  border-radius: var(--radius, 14px);
  border: 1px solid var(--line);
  padding: 16px; margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card h4 { margin: 12px 0 6px; font-size: 15px; color: var(--blue-d); }

.muted { color: var(--muted); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }

/* ---------- Группы на дашборде ---------- */
.group-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 16px; margin-bottom: 14px;
}
.group-card .g-name { font-size: 18px; font-weight: 700; }
.group-card .g-meta { color: var(--muted); font-size: 14px; margin: 4px 0 10px; }
.today-box {
  background: var(--green-bg); border: 1px solid #c8e6c9; border-radius: 10px;
  padding: 10px 12px; margin-top: 8px;
}
.today-box.warn { background: var(--amber-bg); border-color: #ffe0b2; }

/* ---------- Отметки посещаемости ---------- */
.child-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line);
}
.child-row:last-child { border-bottom: none; }
.child-name { font-weight: 600; font-size: 16px; }
.child-info { color: var(--muted); font-size: 13px; }
.status-group { display: flex; gap: 6px; flex-shrink: 0; }
.st-btn {
  border: 1px solid var(--line); background: #fff; cursor: pointer;
  border-radius: 10px; padding: 10px 12px; font-size: 15px; min-width: 52px;
}
.st-btn.present, .st-btn.selected-present { background: var(--green-bg); border-color: var(--green); color: var(--green); }
.st-btn.absent,   .st-btn.selected-absent { background: var(--red-bg);   border-color: var(--red);   color: var(--red); }
.st-btn.late,     .st-btn.selected-late   { background: var(--amber-bg); border-color: var(--amber); color: var(--amber); }
.st-btn.selected-present { font-weight: 700; }
.st-btn.selected-absent { font-weight: 700; }
.st-btn.selected-late { font-weight: 700; }

.attendance-toolbar { margin-bottom: 12px; }
.legend { font-size: 13px; color: var(--muted); margin: 10px 0; }

/* ---------- Таблицы ---------- */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; background: var(--card); }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { background: #f7fafd; font-size: 13px; color: var(--muted); }
tr:hover td { background: #f9fbfe; }
td.num, th.num { text-align: right; }

.ok { color: var(--green); font-weight: 700; }
.no { color: var(--red); font-weight: 700; }
.late-mark { color: var(--amber); font-weight: 700; }

/* ---------- Формы ---------- */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }
.form-grid label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 2px; }
.form-grid input, .form-grid select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; font-size: 15px; background: #fff;
}
.form-actions { margin-top: 12px; display: flex; gap: 10px; flex-wrap: wrap; }

.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.filters label { font-size: 13px; color: var(--muted); display: block; }
.filters input, .filters select {
  padding: 9px 10px; border: 1px solid var(--line); border-radius: 10px; font-size: 15px; background: #fff;
}

/* ---------- Модалка ---------- */
.modal {
  position: fixed; inset: 0; background: rgba(15, 25, 40, .5);
  display: flex; align-items: center; justify-content: center;
  padding: 16px; z-index: 100;
}
.modal-card {
  background: #fff; border-radius: 16px; max-width: 560px; width: 100%;
  max-height: 85vh; overflow-y: auto; padding: 20px;
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
.modal-card h3 { margin: 0 0 10px; }
.msg-text {
  background: #f4f6fa; border-radius: 10px; padding: 14px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 14px; white-space: pre-wrap; margin: 10px 0 14px;
}
#modal-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Календарь ---------- */
.cal-days { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.cal-day {
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px;
  font-size: 13px; text-align: center; min-width: 52px;
}
.cal-day .d { color: var(--muted); font-size: 11px; }
.cal-day .s { font-size: 16px; }
.cal-day.ok { background: var(--green-bg); }
.cal-day.bad { background: var(--red-bg); }
.cal-day.late { background: var(--amber-bg); }
.cal-day.none { background: #f2f4f8; }

/* ---------- Уведомления ---------- */
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: #1c2733; color: #fff; padding: 12px 20px; border-radius: 10px;
  font-size: 15px; z-index: 200; box-shadow: 0 6px 20px rgba(0,0,0,.3);
  max-width: 90%;
}
.error { color: var(--red); font-size: 14px; margin-top: 8px; }
.empty { color: var(--muted); text-align: center; padding: 30px 10px; }

@media (max-width: 560px) {
  .status-group { gap: 4px; }
  .status-btn { min-width: 46px; padding: 9px 8px; font-size: 14px; }
  main { padding: 12px; }
}