:root {
  --bg: #fdf8f5;
  --surface: #ffffff;
  --surface-alt: #faf0ed;
  --surface-soft: #fdf8f5;
  --border: #e8cdc8;
  --border-strong: #d4a09a;
  --text: #2d1a18;
  --text-soft: #7a4f4a;
  --text-faint: #a07870;
  --primary: #c0392b;
  --primary-strong: #922b21;
  --primary-soft: #fdf0ee;
  --amber: #e8a020;
  --success: #0f9f6e;
  --warning: #d08700;
  --danger: #c0392b;
  --shadow: 0 18px 40px rgba(150, 40, 30, 0.10);
  --radius: 6px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(192, 57, 43, 0.08), transparent 30%),
    linear-gradient(180deg, #fdf8f5 0%, #faf0ed 100%);
  min-height: 100vh;
}

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

/* ── Auth ── */
.page-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}
.auth-card {
  width: 100%;
  max-width: 460px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(183, 205, 250, 0.8);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px;
  backdrop-filter: blur(14px);
}

/* ── Brand ── */
.brand { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.brand-mark {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
}
.brand-copy h1 { margin: 0; font-size: 1.7rem; letter-spacing: -0.04em; }
.brand-copy p  { margin: 4px 0 0; color: var(--text-soft); font-size: 0.95rem; }

.hero-title    { margin: 0 0 8px; font-size: 2rem; letter-spacing: -0.05em; }
.hero-subtitle { margin: 0 0 28px; color: var(--text-soft); line-height: 1.55; }

/* ── Forms ── */
.form-grid { display: grid; gap: 18px; }
.form-row  { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 0.82rem; font-weight: 600; color: var(--text-soft); letter-spacing: 0.03em; }
.field input, .field select {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: white; color: var(--text);
  padding: 14px 15px; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(192, 57, 43, 0.12);
}
.field-with-action { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: end; }

/* ── Buttons ── */
.btn-primary, .btn-secondary, .btn-ghost {
  border: none; border-radius: var(--radius); cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.btn-primary:disabled, .btn-secondary:disabled, .btn-ghost:disabled {
  opacity: 0.38; cursor: not-allowed; pointer-events: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--amber));
  color: white; padding: 14px 18px; font-weight: 700;
  box-shadow: 0 14px 28px rgba(192, 57, 43, 0.22);
}
.btn-primary:hover { transform: translateY(-1px); }
.btn-secondary {
  background: white; color: var(--text); border: 1px solid var(--border); padding: 12px 16px;
}
.btn-ghost {
  background: transparent; color: var(--text-soft); border: 1px solid var(--border); padding: 10px 14px;
}
.btn-ghost.danger { color: var(--danger); border-color: transparent; }
.btn-ghost.danger:hover { background: #fff1f1; border-color: var(--danger); }

/* ── Notices ── */
.notice { display: none; border-radius: var(--radius); padding: 12px 14px; font-size: 0.94rem; line-height: 1.45; }
.notice.show    { display: block; }
.notice.error   { background: #fff3f3; color: #a73c3c; border: 1px solid #f3c6c6; }
.notice.success { background: #eefaf6; color: #0f805b; border: 1px solid #bbe9d7; }

/* ── App header ── */
.app-header {
  position: fixed; top: 0; left: 0; right: 0; height: 56px; z-index: 200;
  display: flex; align-items: center; gap: 0;
  background: rgba(255,255,255,0.88); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(183,205,250,0.7);
  padding: 0 16px;
}
.header-menu-btn {
  background: none; border: none; cursor: pointer;
  font-size: 1.25rem; color: var(--text); padding: 8px 10px;
  border-radius: var(--radius); line-height: 1; flex-shrink: 0;
}
.header-menu-btn:hover { background: var(--primary-soft); color: var(--primary); }
.header-left { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.header-back-btn {
  display: flex; align-items: center; gap: 6px;
  background: none; border: none; cursor: pointer;
  color: var(--primary); font-size: 0.9rem; font-weight: 600; padding: 6px 10px;
  border-radius: var(--radius); white-space: nowrap;
}
.header-back-btn:hover { background: var(--primary-soft); }
.header-sep { color: var(--text-soft); padding: 0 4px; }
.header-title { font-weight: 700; font-size: 1rem; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.header-app-nav { display: flex; gap: 4px; margin: 0 16px; }
.app-tab {
  padding: 7px 14px; border-radius: var(--radius);
  border: 1px solid transparent; background: none;
  cursor: pointer; font-size: 0.9rem; font-weight: 600; color: var(--text-soft);
  white-space: nowrap;
}
.app-tab:hover { background: var(--primary-soft); color: var(--primary); }
.app-tab.active { background: var(--primary-soft); color: var(--primary-strong); border-color: var(--border); }
.header-user { flex-shrink: 0; display: flex; align-items: center; gap: 10px; }

/* School switcher */
.school-switcher { flex-shrink: 0; }
.school-switcher > .btn-ghost { display: flex; align-items: center; gap: 8px; }
.switcher-overlay { position: fixed; inset: 0; z-index: 45; background: transparent; }
.switcher-menu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 50;
  min-width: 200px; background: white; border: 1px solid var(--border);
  border-radius: 12px; box-shadow: 0 12px 32px rgba(0,0,0,0.12); padding: 6px;
  display: flex; flex-direction: column; gap: 2px;
}
.switcher-item {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  text-align: left; background: transparent; border: none; cursor: pointer;
  padding: 9px 12px; border-radius: 8px; font-size: 0.9rem; color: var(--text); font-weight: 500;
}
.switcher-item:hover { background: var(--surface-alt); color: var(--primary-strong); }
.switcher-item.active { background: var(--primary-soft); color: var(--primary-strong); font-weight: 700; }
.switcher-item.active i { color: var(--primary-strong); }

/* Multi-school checkbox group */
.checkbox-grid { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 6px; }
.checkbox-grid .duration-toggle { margin-bottom: 0; }

.user-chip {
  display: flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--amber));
  color: white; border: none; border-radius: 20px;
  padding: 6px 14px; cursor: pointer; font-weight: 700; font-size: 0.88rem;
}
.user-chip:hover { opacity: 0.9; }
.user-chip-initials { letter-spacing: 0.5px; }

/* ── Drawer ── */
.drawer-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(0,0,0,0.3);
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 400;
  width: 272px;
  background: rgba(255,255,255,0.96); backdrop-filter: blur(16px);
  border-right: 1px solid rgba(183,205,250,0.7);
  transform: translateX(-100%); transition: transform 0.22s ease;
  display: flex; flex-direction: column; padding: 24px 18px;
  overflow-y: auto;
}
.drawer.open { transform: translateX(0); }
.drawer .brand { margin-bottom: 16px; }
.sidebar-footer { margin-top: auto; padding-top: 16px; font-size: 0.78rem; color: var(--text-soft); text-align: center; }

/* ── Sidebar clock ── */
.sidebar-clock {
  display: flex; flex-direction: column; gap: 1px;
  margin-bottom: 10px; padding: 0 2px;
  font-size: 0.78rem; color: var(--text-soft); line-height: 1.55;
}
.sidebar-clock #sidebar-clock-time {
  font-variant-numeric: tabular-nums; font-weight: 500; color: var(--text);
}

/* ── Year banner ── */
.year-banner {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(192,57,43,0.08), rgba(232,160,32,0.08));
  border: 1px solid var(--border); color: var(--primary-strong);
  font-size: 0.86rem; font-weight: 600; margin-bottom: 14px;
  transition: background 0.15s;
}
.year-banner:hover { background: var(--primary-soft); }

/* ── User strip (inside drawer) ── */
.user-strip {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: var(--radius);
  background: var(--surface-alt); border: 1px solid var(--border);
  margin-bottom: 20px;
}
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--amber));
  color: white; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.88rem; flex-shrink: 0;
}
.user-name { font-weight: 600; font-size: 0.93rem; }
.user-role { color: var(--text-soft); font-size: 0.8rem; text-transform: capitalize; }
.user-strip-info { flex: 1; min-width: 0; }
.user-config-btn { padding: 6px 9px; border-color: transparent; font-size: 0.86rem; flex-shrink: 0; }
.user-config-btn:hover { background: var(--primary-soft); color: var(--primary); border-color: var(--border); }

.nav-list { display: grid; gap: 4px; }
.nav-link {
  display: flex; align-items: center; gap: 11px;
  padding: 11px 13px; border-radius: var(--radius);
  color: var(--text-soft); text-decoration: none; font-weight: 600; font-size: 0.94rem;
}
.nav-link:hover, .nav-link.active {
  background: var(--primary-soft); color: var(--primary-strong); text-decoration: none;
}
.nav-link.logout { color: var(--danger); }
.nav-link.logout:hover { background: #fff1f1; color: var(--danger); }

/* ── Schools list (god only) ── */
.school-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius);
  border: 1px solid var(--border); background: rgba(255,255,255,0.9);
  margin-bottom: 8px;
}
.school-row-name { flex: 1; font-weight: 600; font-size: 0.95rem; }
.school-app-badge {
  display: inline-flex; align-items: center;
  background: var(--primary-soft); color: var(--primary-strong);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 2px 10px; font-size: 0.78rem; font-weight: 600;
  margin-right: 4px;
}
.school-app-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; padding: 32px 24px; border-radius: var(--radius);
  border: 1px solid var(--border); background: rgba(255,255,255,0.9);
  box-shadow: var(--shadow); cursor: pointer; transition: box-shadow 0.15s, border-color 0.15s;
  text-align: center;
}
.school-app-card:hover { box-shadow: 0 4px 16px rgba(79,108,182,0.18); border-color: var(--primary); }
.school-app-card-icon { font-size: 2rem; }
.school-app-card-name { font-weight: 700; font-size: 1rem; color: var(--text); }

/* ── Main content ── */
.main { margin-top: 56px; padding: 28px; display: grid; gap: 24px; align-content: start; }

/* ── Cards ── */
.card {
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(183, 205, 250, 0.75);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.card-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 18px; margin-bottom: 18px;
}
.card-head p { margin: 6px 0 0; color: var(--text-soft); }

.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.topbar h2 { margin: 0; font-size: 2rem; letter-spacing: -0.05em; }
.topbar p  { margin: 6px 0 0; color: var(--text-soft); }

/* ── Metrics / dashboard ── */
.metrics {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px;
}
.metric { background: var(--surface-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.metric-label { color: var(--text-soft); font-size: 0.9rem; }
.metric-value { margin-top: 10px; font-size: 1.8rem; font-weight: 700; }
.metric-sub   { margin-top: 4px; color: var(--text-faint); font-size: 0.9rem; }
.status-good { color: var(--success); }
.status-warn { color: var(--warning); }
.status-bad  { color: var(--danger); }

/* ── List items ── */
.items-list { display: grid; gap: 10px; }
.list-item { border: 1px solid var(--border); background: white; border-radius: var(--radius); padding: 16px; }
.list-item strong { display: block; margin-bottom: 4px; }
.list-meta { color: var(--text-soft); font-size: 0.92rem; }
.row-actions { display: flex; gap: 8px; }
.user-row { display: grid; grid-template-columns: 1fr 1fr auto auto; gap: 14px; align-items: center; }
.teaching-row, .group-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.teacher-crud-row { display: grid; grid-template-columns: 1fr auto auto; gap: 14px; align-items: center; }
.class-crud-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: var(--radius); padding: 6px 10px; font-size: 0.82rem; font-weight: 700;
}
.badge.admin { background: #fdf0ee; color: var(--primary); }
.badge.user  { background: var(--surface-alt); color: var(--text-soft); }

/* ── Kicker / utility ── */
.kicker {
  display: inline-block; margin-bottom: 10px;
  color: var(--primary); background: var(--primary-soft);
  border-radius: var(--radius); padding: 5px 10px; font-size: 0.8rem; font-weight: 700;
}
.muted { color: var(--text-soft); }
.small { font-size: 0.92rem; }

/* ── Duration inputs (user form) ── */
.duration-toggle { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 0.94rem; color: var(--text-soft); font-weight: 500; user-select: none; margin-bottom: 12px; }
.duration-inputs { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.duration-unit { display: flex; align-items: center; gap: 6px; }
.duration-unit input[type="number"] {
  width: 62px; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 8px; background: white; color: var(--text); text-align: center; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.duration-unit input[type="number"]:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(192,57,43,0.12); }
.duration-unit span { color: var(--text-soft); font-size: 0.9rem; }

/* ── Assignment panel ── */
.assign-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  align-items: start;
}
.teachers-panel { display: flex; flex-direction: column; gap: 6px; }
.teacher-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 14px; background: white; cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.teacher-card:hover { border-color: var(--primary); }
.teacher-card.selected { border-color: var(--primary); background: var(--primary-soft); }
.teacher-card.full { background: var(--surface-alt); }
.teacher-card.absent { border-color: var(--warn, #e09c00); background: var(--warn-bg, #fdf8e1); }
.teacher-card.absent:hover { border-color: var(--warn, #e09c00); filter: brightness(0.97); }
.teacher-sub-badge {
  font-size: 0.78rem; color: var(--warn, #856404); margin-top: 5px;
  display: flex; align-items: center; gap: 5px;
}
.teacher-hours { font-size: 0.82rem; color: var(--text-soft); margin-top: 4px; }
.teacher-hours.full { color: var(--danger); }

.class-panel-wrapper { min-height: 200px; }
.assign-empty { text-align: center; padding: 60px 20px; }
.class-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.class-card { background: white; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.class-name { font-weight: 700; font-size: 1.05rem; margin-bottom: 10px; }
.slots-list { display: flex; flex-direction: column; gap: 5px; }
.slot {
  border-radius: var(--radius); padding: 7px 11px; font-size: 0.86rem;
  display: flex; justify-content: space-between; align-items: center;
  border: 1px solid transparent; transition: all 0.12s;
}
.slot-available { background: #ecfaf5; border-color: #b7f0da; color: var(--success); cursor: pointer; }
.slot-available:hover { background: #d4f4e8; }
.slot-mine { background: var(--primary-soft); border-color: var(--border-strong); color: var(--primary-strong); cursor: pointer; }
.slot-mine:hover { background: #f5d8d4; }
.slot-other { background: var(--surface-alt); border-color: var(--border); color: var(--text-soft); }
.slot-none  { background: #fff7e8; border-color: #f5d98f; color: var(--warning); }

/* ── TeachGroup / Class timetable inline edit ── */
.group-teachings-list { display: flex; flex-direction: column; gap: 6px; }
.group-teaching-item {
  display: flex; align-items: center; gap: 12px; justify-content: space-between;
  padding: 8px 12px; background: var(--surface-soft);
  border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 0.9rem;
}

/* ── Report overlay ── */
.report-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: white; display: flex; flex-direction: column; overflow: hidden;
}
.rpt-overlay-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 24px; border-bottom: 1px solid var(--border); flex-shrink: 0; background: white;
}
.rpt-overlay-body {
  flex: 1; overflow-y: auto; padding: 32px 40px;
  max-width: 900px; margin: 0 auto; width: 100%;
}

/* ── Report content ── */
.rpt-header { margin-bottom: 24px; }
.rpt-title  { margin: 4px 0; font-size: 1.45rem; letter-spacing: -0.03em; }
.rpt-meta   { margin: 4px 0 0; color: var(--text-soft); font-size: 0.88rem; }
.rpt-table  { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.rpt-table th {
  text-align: left; padding: 8px 12px;
  background: var(--surface-soft); border: 1px solid var(--border);
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-soft);
}
.rpt-table td { padding: 7px 12px; border: 1px solid var(--border); vertical-align: top; }
.rpt-col-hrs  { text-align: center; width: 70px; }
.rpt-class-header td {
  background: var(--primary-soft); color: var(--primary-strong); font-weight: 700;
  border-top: 2px solid var(--border-strong); padding: 9px 12px;
}
.rpt-teacher-header td {
  background: #eef2ff; color: #3730a3; font-weight: 700;
  border-top: 2px solid #c7d2fe; padding: 9px 12px;
}
.rpt-summary    { color: var(--text-soft); font-size: 0.82rem; font-weight: 400; margin-left: 6px; }
.rpt-unassigned { color: var(--warning); font-style: italic; }
.rpt-empty      { color: var(--text-soft); font-style: italic; }
.rpt-teacher-absent td { background: #fdf8e1; color: #78620a; border-top-color: #f0d060; }
.rpt-sub        { display: block; font-size: 0.8rem; color: #856404; margin-top: 3px; font-weight: 400; }

/* ── Responsive ── */
@media (max-width: 1100px) {
  .metrics { grid-template-columns: 1fr 1fr; }
  .assign-layout { grid-template-columns: 1fr; }
  .class-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .auth-card { padding: 28px 22px; }
  .form-row, .metrics, .user-row { grid-template-columns: 1fr; }
  .main { padding: 16px; }
  .topbar { flex-direction: column; align-items: flex-start; }
  .header-app-nav { display: none; }
}
@media print {
  .rpt-overlay-topbar { display: none !important; }
  .report-overlay { position: static !important; overflow: visible !important; }
  .rpt-overlay-body { padding: 0 !important; max-width: none !important; overflow: visible !important; }
  .rpt-table td, .rpt-table th,
  .rpt-class-header td, .rpt-teacher-header td {
    -webkit-print-color-adjust: exact; print-color-adjust: exact;
  }
}

/* Assign Teachers — active-filter highlight (accent ring + glow) */
.filter-box-active {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.teachers-panel, .class-panel-wrapper { transition: box-shadow 0.15s ease; border-radius: var(--radius); }
.list-filtered {
  box-shadow: 0 0 0 2px var(--primary), 0 6px 18px rgba(0,0,0,0.06);
}