:root {
  /* Тёмная тема — чуть светлее базового «чистого» чёрного */
  --bg: #111820;
  --surface: #1a2332;
  --border: #334155;
  --text: #eef2f7;
  --muted: #94a3b8;
  --accent: #6eb8ff;
  --accent-dim: rgba(110, 184, 255, 0.14);
  --danger: #f87171;
  --warn: #fbbf24;
  --font: system-ui, "Segoe UI", Roboto, sans-serif;
  --login-glow: rgba(110, 184, 255, 0.42);
  --table-header-bg: #1e293b;
  --table-sticky-bg: #1c2738;
  --table-sticky-head-bg: #18212f;
  --badge-bg: #422006;
  --btn-primary: #335c8f;
  --btn-primary-border: #4a7ab8;
  --btn-primary-hover: #3d6aa3;
  --btn-danger-border: #6b3034;
  --hint-code: #c4d0dc;
  --weekday-pill-border: rgba(110, 184, 255, 0.28);
  --login-card-bg: linear-gradient(145deg, rgba(32, 42, 58, 0.95) 0%, rgba(22, 30, 44, 0.92) 100%);
  --login-card-border: rgba(255, 255, 255, 0.1);
  --login-card-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  --login-tabs-bg: rgba(0, 0, 0, 0.22);
  --login-tabs-border: rgba(255, 255, 255, 0.08);
  --login-input-bg: rgba(0, 0, 0, 0.22);
  --login-input-border: rgba(255, 255, 255, 0.1);
  --login-input-border-hover: rgba(255, 255, 255, 0.16);
  --login-select-option-bg: #1e293b;
  --login-tab-active-text: #fff;
  --login-tab-active-bg: rgba(255, 255, 255, 0.12);
  --login-hint-border: rgba(255, 255, 255, 0.08);
  --login-hint-code-bg: rgba(255, 255, 255, 0.08);
  --login-hint-code: #c5d9f5;
  --shadow-sticky: 4px 0 10px rgba(0, 0, 0, 0.18);
  --class-pill-ok-bg: rgba(34, 197, 94, 0.2);
  --class-pill-ok-text: #bbf7d0;
  --class-pill-ok-border: rgba(34, 197, 94, 0.5);
  --class-pill-warn-bg: rgba(234, 179, 8, 0.22);
  --class-pill-warn-text: #fef9c3;
  --class-pill-warn-border: rgba(234, 179, 8, 0.55);
  /* Совмещение подгрупп: жёлтое выделение, красный шрифт */
  --merge-coverage-bg: rgba(250, 204, 21, 0.28);
  --merge-coverage-border: rgba(234, 179, 8, 0.65);
  --merge-coverage-text: #dc2626;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.login-wrap {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 2rem);
  overflow: hidden;
}

.login-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1200px 600px at 50% -20%, rgba(100, 160, 255, 0.18), transparent 55%),
    radial-gradient(800px 400px at 100% 50%, rgba(130, 100, 210, 0.1), transparent 50%),
    radial-gradient(600px 400px at 0% 80%, rgba(50, 190, 170, 0.07), transparent 45%),
    linear-gradient(165deg, #151d2a 0%, #111820 42%, #182232 100%);
  pointer-events: none;
}

.login-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  opacity: 0.6;
}

.login-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 480px;
  padding: clamp(1.5rem, 4vw, 2rem);
  border-radius: 20px;
  background: var(--login-card-bg);
  border: 1px solid var(--login-card-border);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.35) inset,
    var(--login-card-shadow),
    0 0 80px rgba(80, 140, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  font-size: 1.35rem;
  font-weight: 650;
  color: #fff;
  background: linear-gradient(135deg, #4d8fff 0%, #6366f1 50%, #7c3aed 100%);
  box-shadow: 0 8px 24px rgba(91, 124, 255, 0.35);
}

.login-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.25;
  max-width: 22rem;
}

.login-subtitle {
  margin: 0.4rem 0 0;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.35;
}

.login-lead {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.login-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.35rem;
  padding: 0.2rem;
  border-radius: 12px;
  background: var(--login-tabs-bg);
  border: 1px solid var(--login-tabs-border);
}

.login-tab {
  flex: 1;
  min-width: 0;
  padding: 0.55rem 0.4rem;
  border-radius: 9px;
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.login-tab:hover {
  color: var(--text);
}

.login-tab.active {
  color: var(--login-tab-active-text);
  background: var(--login-tab-active-bg);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.75rem;
}

.login-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.login-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--login-input-border);
  background: var(--login-input-bg);
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.login-input:hover {
  border-color: var(--login-input-border-hover);
}

.login-input:focus {
  outline: none;
  border-color: var(--login-glow);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.login-input::placeholder {
  color: rgba(139, 152, 168, 0.55);
}

/* Выпадающие списки на экране входа: фон и option согласованы с карточкой */
select.login-input.login-select {
  cursor: pointer;
  color-scheme: dark;
  background-color: var(--login-input-bg);
  color: var(--text);
}

select.login-input.login-select option {
  background-color: var(--login-select-option-bg);
  color: var(--text);
  padding: 0.35rem 0.5rem;
}

.login-check.login-show-parallels {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: -0.35rem 0 0.85rem;
  font-size: 0.82rem;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.login-check.login-show-parallels input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
  cursor: pointer;
}

.login-submit {
  margin-top: 0.35rem;
  width: 100%;
  padding: 0.62rem 0.75rem;
  border: none;
  border-radius: 11px;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(135deg, #3b82f6 0%, #6366f1 55%, #7c3aed 100%);
  box-shadow: 0 4px 16px rgba(79, 110, 255, 0.35);
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}

.login-submit:hover {
  filter: brightness(1.06);
  box-shadow: 0 6px 22px rgba(79, 110, 255, 0.42);
}

.login-submit:active {
  transform: scale(0.99);
}

.login-sync-hint {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.4;
  margin: 0.65rem 0 0;
}

.login-error {
  min-height: 1.25rem;
  color: var(--danger);
  font-size: 0.875rem;
  margin: 0.65rem 0 0;
}

.login-hint {
  margin: 1.15rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--login-hint-border);
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.5;
}

.login-hint code {
  padding: 0.1rem 0.35rem;
  border-radius: 5px;
  background: var(--login-hint-code-bg);
  color: var(--login-hint-code);
  font-size: 0.88em;
}

.login-tabs--hidden {
  display: none;
}

.login-back {
  margin: 0 0 0.75rem;
  font-size: 0.88rem;
}

.login-back-link {
  color: var(--accent);
  text-decoration: none;
}

.login-back-link:hover {
  text-decoration: underline;
}

/* Стартовая страница (выбор роли) — index.html */
.portal-wrap {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.75rem, 3vw, 1.25rem);
  overflow: hidden;
}

.portal-bg {
  position: absolute;
  inset: 0;
}

.portal-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 28rem;
  padding: clamp(1rem, 2.8vw, 1.35rem) clamp(0.85rem, 2.5vw, 1.15rem);
  border-radius: 18px;
  background: linear-gradient(
    150deg,
    rgba(22, 30, 44, 0.78) 0%,
    rgba(14, 20, 32, 0.62) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.4) inset,
    0 20px 48px rgba(0, 0, 0, 0.38),
    0 0 80px rgba(80, 140, 255, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.portal-inner {
  width: 100%;
}

.portal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.portal-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.portal-logo-mark {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 10px;
  font-size: 1.15rem;
  font-weight: 750;
  color: #fff;
  background: linear-gradient(135deg, #4d8fff 0%, #6366f1 50%, #7c3aed 100%);
  box-shadow:
    0 8px 22px rgba(91, 124, 255, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  letter-spacing: -0.03em;
}

.portal-title {
  margin: 0;
  font-size: clamp(1rem, 2.8vw, 1.2rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.portal-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.45rem;
}

@media (min-width: 520px) {
  .portal-cards {
    grid-template-columns: repeat(3, minmax(0, 6.75rem));
    justify-content: center;
    width: fit-content;
    max-width: 100%;
    margin-inline: auto;
    gap: 0.4rem;
  }
}

.portal-card {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.55rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(0, 0, 0, 0.2);
  text-decoration: none;
  color: inherit;
  text-align: left;
  transition:
    border-color 0.18s ease,
    background 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

@media (min-width: 520px) {
  .portal-card {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.4rem;
    padding: 0.55rem 0.35rem 0.5rem;
    min-height: 5.75rem;
    border-radius: 12px;
    width: 100%;
    max-width: 6.75rem;
    box-sizing: border-box;
  }

  .portal-card-chevron {
    display: none;
  }
}

.portal-card:hover {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
  transform: translateY(-1px);
}

.portal-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.portal-card-icon-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  color: #fff;
}

@media (min-width: 520px) {
  .portal-card-icon-wrap {
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 10px;
  }

  .portal-card-icon {
    width: 20px;
    height: 20px;
  }
}

.portal-card--admin .portal-card-icon-wrap {
  background: linear-gradient(145deg, rgba(110, 184, 255, 0.38), rgba(99, 102, 241, 0.26));
  box-shadow: 0 0 0 1px rgba(110, 184, 255, 0.22);
}

.portal-card--teacher .portal-card-icon-wrap {
  background: linear-gradient(145deg, rgba(34, 197, 94, 0.42), rgba(16, 185, 129, 0.24));
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.26);
}

.portal-card--student .portal-card-icon-wrap {
  background: linear-gradient(145deg, rgba(167, 139, 250, 0.48), rgba(139, 92, 246, 0.24));
  box-shadow: 0 0 0 1px rgba(167, 139, 250, 0.28);
}

.portal-card-title {
  flex: 1;
  min-width: 0;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.25;
}

@media (min-width: 520px) {
  .portal-card-title {
    flex: none;
    font-size: 0.78rem;
    line-height: 1.2;
    word-wrap: break-word;
  }
}

.portal-card-chevron {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  color: var(--muted);
  opacity: 0.5;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.portal-card:hover .portal-card-chevron {
  opacity: 0.95;
  transform: translateX(2px);
}

.btn.portal-theme {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.1rem;
  min-height: 2.1rem;
  padding: 0;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.22);
  font-size: 1rem;
  line-height: 1;
}

.btn.portal-theme:hover {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.05);
}

.top-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.userbar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.userbar-bell-wrap {
  position: relative;
}

.btn-bell {
  position: relative;
}

.teacher-subs-bell-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 1.1rem;
  height: 1.1rem;
  padding: 0 4px;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1.1rem;
  text-align: center;
  background: var(--danger);
  color: #fff;
  box-shadow: 0 0 0 2px var(--bg);
}

.teacher-subs-bell-badge.hidden {
  display: none !important;
}

.teacher-subs-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 200;
  width: min(26rem, calc(100vw - 2rem));
  max-height: min(70vh, 28rem);
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.teacher-subs-popover-body {
  overflow: auto;
  padding: 0.65rem 0.75rem 0.85rem;
  font-size: 0.86rem;
}

.teacher-subs-popover-body .sheet {
  margin: 0;
  font-size: 0.82rem;
}

.teacher-subs-popover-body .sheet th,
.teacher-subs-popover-body .sheet td {
  padding: 0.35rem 0.5rem;
}

.teacher-subs-popover-row {
  cursor: pointer;
}

.teacher-subs-popover-row--unread {
  font-weight: 650;
  box-shadow: inset 3px 0 0 var(--accent);
}

.teacher-subs-popover-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.teacher-subs-popover-actions {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.user-badge {
  font-size: 0.88rem;
  color: var(--accent);
  max-width: 280px;
  text-align: right;
}

.small-block {
  margin: 0 0 0.75rem;
}

.admin-forms {
  margin-bottom: 1.5rem;
}

/* Настройки: боковое меню + секции */
.admin-layout {
  display: flex;
  gap: 1.75rem;
  align-items: flex-start;
}

.admin-sidebar {
  flex: 0 0 15.5rem;
  position: sticky;
  top: 0.75rem;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
}

.admin-sidebar-title {
  margin: 0 0 0.2rem;
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--text);
}

.admin-sidebar-sub {
  margin: 0 0 0.85rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.admin-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.admin-nav-link {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 500;
  line-height: 1.35;
  border: 1px solid transparent;
  transition:
    color 0.15s ease,
    background 0.15s ease,
    border-color 0.15s ease;
}

.admin-nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.06);
}

.admin-nav-link.active {
  color: var(--accent);
  background: var(--accent-dim);
  border-color: rgba(110, 184, 255, 0.28);
}

.admin-section-admins h3 {
  font-size: 1.05rem;
  font-weight: 650;
  margin: 1rem 0 0.5rem;
}

.admin-accounts-actions {
  white-space: normal;
  vertical-align: top;
}

.admin-accounts-actions .login-input {
  margin: 0 0.35rem 0.35rem 0;
  vertical-align: middle;
}

.admin-layout-main {
  flex: 1;
  min-width: 0;
}

.admin-section {
  scroll-margin-top: 0.75rem;
  margin-bottom: 2.75rem;
  padding-bottom: 0.25rem;
}

.admin-section:last-child {
  margin-bottom: 0;
}

.admin-section h2 {
  margin-top: 0;
}

@media (max-width: 52rem) {
  .admin-layout {
    flex-direction: column;
    gap: 1rem;
  }

  .admin-sidebar {
    flex: none;
    width: 100%;
    max-height: none;
    position: relative;
    top: auto;
  }

  .admin-sidebar-nav {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .admin-nav-link {
    flex: 1 1 auto;
    min-width: min(100%, 12rem);
  }
}

.teacher-toolbar {
  align-items: center;
}

.toolbar-date-inline {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.toolbar-date-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.weekday-pill {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--weekday-pill-border);
}

.teacher-hint {
  margin: 0 0 1rem;
  font-size: 0.88rem;
}

#panelTeachers.teacher-edit-active .teacher-cell--tap {
  cursor: pointer;
}

#panelTeachers.teacher-edit-active .teacher-cell--tap:hover {
  outline: 1px solid var(--accent);
  outline-offset: -1px;
  background: var(--accent-dim);
}

.teacher-sub-badge {
  color: var(--warn);
  font-size: 0.72rem;
  margin-right: 0.15rem;
  vertical-align: 0.05em;
}

.teacher-name-btn {
  display: block;
  width: 100%;
  max-width: 100%;
  text-align: left;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.teacher-name-btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.teacher-name-btn.is-selected {
  box-shadow: 0 0 0 2px var(--accent);
  border-color: var(--accent);
}

.teacher-name-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.teacher-name-plain {
  display: flex;
  align-items: stretch;
  gap: 0.45rem;
  width: 100%;
  max-width: 100%;
  font-weight: 600;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  box-sizing: border-box;
  cursor: context-menu;
}

.teacher-name-plain-text,
.teacher-name-absence-text {
  flex: 1;
  min-width: 0;
  align-self: center;
}

.teacher-name-absence-btn {
  display: flex;
  align-items: stretch;
  gap: 0.45rem;
  width: 100%;
  max-width: 100%;
  text-align: left;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: context-menu;
  box-sizing: border-box;
}

.teacher-name-absence-btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.teacher-name-absence-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.teacher-absence-strip {
  width: 4px;
  flex-shrink: 0;
  border-radius: 2px;
  align-self: stretch;
  min-height: 1.1em;
}

.absence-reasons-editor {
  margin-bottom: 1.5rem;
}

.absence-reasons-table .abs-reason-color {
  width: 3rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--border);
  cursor: pointer;
}

.absence-reasons-table .abs-reason-paid-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  font-size: 0.9rem;
  cursor: pointer;
}

.teacher-chip-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  align-items: flex-start;
  min-height: 1.2em;
}

.teacher-class-chip {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem 0.35rem;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 0.8rem;
  cursor: grab;
  max-width: 100%;
}

.teacher-class-chip--base {
  color: var(--muted);
  border-color: var(--border);
  background: rgba(148, 163, 184, 0.1);
}

[data-theme="light"] .teacher-class-chip--base {
  color: var(--muted);
  background: rgba(90, 106, 125, 0.08);
}

.teacher-class-chip--moved {
  color: var(--class-pill-ok-text);
  border-color: var(--class-pill-ok-border);
  background: var(--class-pill-ok-bg);
}

.teacher-class-chip--dragging {
  opacity: 0.55;
  cursor: grabbing;
}

.teacher-class-chip--locked-move {
  outline: 2px dashed var(--accent);
  outline-offset: 1px;
}

.teacher-class-chip[data-drag-locked='1'] {
  cursor: not-allowed;
}

.teacher-class-chip-from {
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--accent);
  white-space: nowrap;
}

.teacher-class-sub {
  font-size: 0.72rem;
  color: var(--accent);
  white-space: normal;
}

.teacher-class-sub--duty {
  color: var(--muted);
  font-style: italic;
}

.teacher-class-chip--subst-duty {
  border-style: dashed;
}

.teacher-plain-class-pick {
  display: inline;
  margin: 0;
  padding: 0.05rem 0.1rem;
  border: none;
  background: transparent;
  border-radius: 4px;
  color: var(--accent);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: rgba(110, 184, 255, 0.45);
  text-underline-offset: 2px;
}

.teacher-plain-class-pick:hover {
  color: var(--text);
  background: var(--accent-dim);
}

.teacher-plain-class-sep {
  color: var(--muted);
  font-weight: 400;
}

.class-sheet .teacher-cell--absent-slot {
  color: var(--muted);
}

/* «Работа с классами»: строки — уроки, столбцы — классы; в ячейках предмет (кабинет), несколько кабинетов — через / */
.class-sheet--by-lesson .teacher-cell {
  white-space: normal;
  max-width: 10rem;
  vertical-align: middle;
  text-align: center;
}

.class-sheet--by-lesson .teacher-chip-stack {
  justify-content: center;
}

/* Отличие от импорта / переносы / замена на дату — как на сетке учителей */
.class-sheet--by-lesson td.teacher-cell--altered-view {
  background: var(--class-pill-warn-bg);
  box-shadow: inset 0 0 0 1px var(--class-pill-warn-border);
  border-radius: 4px;
}

.class-sheet--by-lesson td.teacher-cell--absent-slot.teacher-cell--altered-view {
  color: var(--text);
  background: color-mix(in srgb, var(--class-pill-warn-bg) 85%, var(--surface));
}

.class-sheet--by-lesson td.teacher-cell--merge-coverage {
  background: var(--merge-coverage-bg);
  box-shadow: inset 0 0 0 1px var(--merge-coverage-border);
  border-radius: 4px;
  color: var(--merge-coverage-text);
}

.class-sheet--by-lesson td.teacher-cell--absent-slot.teacher-cell--merge-coverage {
  color: var(--merge-coverage-text);
  background: color-mix(in srgb, var(--merge-coverage-bg) 88%, var(--surface));
}

.class-sheet--by-lesson thead .sticky-class-head {
  max-width: 8rem;
  min-width: 4.5rem;
  white-space: normal;
  vertical-align: bottom;
  font-weight: 600;
}

.class-sheet--by-lesson thead .sticky-class-head.class-head-with-homeroom {
  max-width: 9.5rem;
}

.class-head-inner {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  width: 100%;
}

.class-sheet--by-lesson thead .class-head-inner .teacher-name-btn {
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
  text-align: center;
  font-weight: 600;
}

.btn-homeroom-class-hour.btn-icon-book {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0.22rem 0.32rem;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  background: var(--surface);
  color: var(--accent);
  cursor: pointer;
  line-height: 0;
}

.btn-homeroom-class-hour.btn-icon-book:hover {
  background: var(--accent-dim);
}

.homeroom-class-hour-book-icon {
  display: block;
}

.class-sheet--by-lesson .sticky-time {
  position: sticky;
  left: 3rem;
  z-index: 2;
  min-width: 4.75rem;
  max-width: 6rem;
  text-align: center;
  background: var(--table-sticky-bg);
  box-shadow: var(--shadow-sticky);
  font-weight: 600;
  font-size: 0.78rem;
}

.class-sheet--by-lesson thead .sticky-time {
  z-index: 3;
  background: var(--table-sticky-head-bg);
}

.class-slot-cell {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
  align-items: center;
}

.class-slot-line {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 0;
  line-height: 1.25;
  width: 100%;
}

.class-slot-text {
  display: inline;
}

.class-slot-subj {
  font-weight: 600;
}

.class-slot-room {
  font-size: 0.85em;
  color: var(--muted);
  font-weight: 500;
}

.teacher-class-chip .class-chip-line {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0;
  line-height: 1.2;
}

.teacher-class-chip .class-chip-sub {
  font-weight: 600;
}

.teacher-class-chip .class-chip-room {
  font-size: 0.68rem;
  color: var(--muted);
  font-weight: 500;
}

#panelTeachers.teacher-edit-active .teacher-cell--chips.teacher-cell--tap:hover {
  outline: 1px solid var(--accent);
  outline-offset: -1px;
  background: var(--accent-dim);
}

.teacher-cell--chips {
  position: relative;
}

.teacher-class-day-preview {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.teacher-class-day-preview-title {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.teacher-class-day-preview-note {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
}

.teacher-class-day-preview-cell--empty {
  background: var(--class-pill-warn-bg);
  box-shadow: inset 0 0 0 1px var(--class-pill-warn-border);
}

.teacher-class-day-preview-scroll {
  overflow-x: auto;
  max-width: 100%;
}

.teacher-class-day-preview-table {
  font-size: 0.78rem;
  margin: 0;
  min-width: 100%;
}

.teacher-class-day-preview-table th,
.teacher-class-day-preview-table td {
  padding: 0.25rem 0.4rem;
}

.teacher-class-day-preview-hint,
.teacher-class-day-preview-empty {
  margin: 0.25rem 0 0;
}

.teacher-chip-menu {
  position: fixed;
  z-index: 10000;
  min-width: 12rem;
  max-width: min(22rem, 92vw);
  max-height: min(70vh, 420px);
  overflow-y: auto;
  padding: 0.35rem 0;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.teacher-chip-menu-title {
  padding: 0.35rem 0.75rem 0.2rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.teacher-chip-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.45rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.teacher-chip-menu-item:hover {
  background: var(--accent-dim);
}

.teacher-panel-layout {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  width: 100%;
}

.teacher-main-col {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.teacher-sub-move-hint {
  margin: 0;
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.88rem;
  line-height: 1.35;
  color: var(--text);
}

.teacher-sub-move-hint[hidden] {
  display: none !important;
}

.teacher-panel-layout .teacher-main-col .teacher-grid-wrap {
  flex: 1 1 auto;
  min-height: 0;
}

/* Панель параллелей — слева; таблица учителей — справа (+5% к базовой ширине) */
.teacher-class-sidebar {
  flex: 0 1 21rem;
  min-width: min(18.9rem, 100%);
  max-width: min(25.2rem, 100%);
  position: sticky;
  top: 0.75rem;
  align-self: flex-start;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  max-height: min(85vh, 900px);
  overflow-y: auto;
  overflow-x: hidden;
}

.teacher-sidebar-heading {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  font-weight: 650;
}

.teacher-sidebar-parallel-filter {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  margin: 0 0 0.65rem;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--muted);
  cursor: pointer;
}

.teacher-sidebar-parallel-filter input {
  margin-top: 0.12rem;
  flex-shrink: 0;
}

.teacher-sidebar-msg {
  margin: 0;
}

.teacher-sidebar-inner {
  min-height: 2rem;
}

.parallel-block {
  margin-bottom: 0.85rem;
}

.parallel-block:last-child {
  margin-bottom: 0;
}

.parallel-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.parallel-pills {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  overflow-x: auto;
  max-width: 100%;
  padding-bottom: 0.2rem;
  scrollbar-width: thin;
}

.parallel-pills::-webkit-scrollbar {
  height: 6px;
}

.parallel-pills::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.class-pill {
  display: inline-block;
  flex: 0 0 auto;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--border);
  cursor: default;
  white-space: nowrap;
}

.class-pill--ok {
  background: var(--class-pill-ok-bg);
  color: var(--class-pill-ok-text);
  border-color: var(--class-pill-ok-border);
}

.class-pill--warn {
  background: var(--class-pill-warn-bg);
  color: var(--class-pill-warn-text);
  border-color: var(--class-pill-warn-border);
}

.class-pill-lessons {
  font-weight: 600;
  opacity: 0.92;
}

@media (max-width: 960px) {
  .teacher-panel-layout {
    flex-direction: column;
  }

  .teacher-class-sidebar {
    position: static;
    flex: 1 1 auto;
    width: 100%;
    max-height: none;
  }
}

/* Таблица учителей без внутренней прокрутки — показывается целиком, листается страница */
.teacher-grid-wrap.grid-wrap {
  overflow: visible;
  max-height: none;
}

.teacher-sheet {
  min-width: 960px;
}

.teacher-grid-wrap .teacher-sheet {
  min-width: auto;
  width: 100%;
}

.registry-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
}

.registry-editor {
  margin-bottom: 2rem;
  overflow-x: auto;
}

.registry-table {
  max-width: 720px;
}

.registry-table--teachers {
  max-width: none;
}

.registry-table .reg-drag-col {
  width: 2rem;
}

.registry-table .reg-drag-handle {
  cursor: grab;
  user-select: none;
  text-align: center;
  color: var(--muted, #888);
  font-size: 1rem;
  line-height: 1.2;
}

.registry-table .reg-drag-handle:active {
  cursor: grabbing;
}

.registry-table tr.dragging {
  opacity: 0.55;
}

.registry-table .reg-num-cell {
  width: 3rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.registry-table .reg-name {
  min-width: 16rem;
}

.registry-table .reg-homeroom {
  width: 5.25rem;
  min-width: 4rem;
  max-width: 6.5rem;
  box-sizing: border-box;
}

.registry-table .btn-sm {
  font-size: 0.82rem;
  padding: 0.22rem 0.42rem;
}

.registry-table--teachers .teacher-access-cell {
  min-width: 14rem;
  vertical-align: middle;
}

.registry-table--teachers .teacher-access-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
}

.registry-table--teachers .teacher-access-row .teacher-access-code {
  flex: 1 1 auto;
  min-width: 0;
}

.registry-table--teachers .registry-actions-cell {
  width: 3rem;
  text-align: center;
  vertical-align: middle;
}

.registry-table .btn.btn-icon {
  padding: 0.28rem;
  min-width: 2rem;
  min-height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.registry-table .btn.btn-icon .reg-icon {
  display: block;
}

.teacher-code-plain {
  font-family: ui-monospace, 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.student-class-access-editor {
  margin-top: 0.75rem;
}

.student-codes-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.student-codes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.5rem;
  align-items: start;
}

@media (max-width: 720px) {
  .student-codes-grid {
    grid-template-columns: 1fr;
  }
}

.student-codes-col-title {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.student-codes-table {
  max-width: none;
  width: 100%;
}

.student-codes-table .student-code-cell {
  min-width: 8rem;
}

.student-code-plain {
  font-family: ui-monospace, 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.student-codes-other {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border, rgba(0, 0, 0, 0.12));
}

.student-codes-show-young {
  display: inline-flex;
  margin-top: 0.35rem;
}

.teacher-sheet th,
.teacher-sheet td {
  white-space: nowrap;
  max-width: 140px;
  font-size: 0.82rem;
}

.teacher-sheet .sticky-num {
  position: sticky;
  left: 0;
  z-index: 2;
  width: 3rem;
  min-width: 3rem;
  max-width: 3rem;
  text-align: center;
  background: var(--table-sticky-bg);
  box-shadow: var(--shadow-sticky);
  font-weight: 600;
}

.teacher-sheet .sticky-name {
  position: sticky;
  left: 3rem;
  z-index: 2;
  min-width: 11.5rem;
  max-width: 260px;
  white-space: normal;
  background: var(--table-sticky-bg);
  box-shadow: var(--shadow-sticky);
  font-weight: 600;
}

.teacher-sheet tbody .sticky-name {
  font-weight: 500;
}

.teacher-sheet thead .sticky-num,
.teacher-sheet thead .sticky-name {
  z-index: 3;
  background: var(--table-sticky-head-bg);
}

/* Строка учителя с отметкой отсутствия — общий оттенок по цвету причины */
.teacher-sheet tbody tr.teacher-row--absent td {
  background: color-mix(in srgb, var(--absence-tint) 28%, var(--surface));
}

.teacher-sheet tbody tr.teacher-row--absent .sticky-num,
.teacher-sheet tbody tr.teacher-row--absent .sticky-name {
  background: color-mix(in srgb, var(--absence-tint) 28%, var(--table-sticky-bg));
}

#panelTeachers.teacher-edit-active .teacher-sheet tbody tr.teacher-row--absent td.teacher-cell--tap:hover {
  background: color-mix(in srgb, var(--absence-tint) 38%, var(--accent-dim));
}

.teacher-cell {
  white-space: normal;
  vertical-align: top;
  line-height: 1.35;
  max-width: 160px;
}

/* Ячейки, где состав/порядок классов не совпадает с импортом (просмотр и редактирование — в реальном времени после каждого действия) */
.teacher-cell--altered-view {
  background: var(--class-pill-warn-bg);
  box-shadow: inset 0 0 0 1px var(--class-pill-warn-border);
  border-radius: 4px;
  transition:
    background 0.14s ease,
    box-shadow 0.14s ease;
}

#panelTeachers.teacher-edit-active .teacher-cell--chips.teacher-cell--altered-view {
  background: rgba(234, 179, 8, 0.18);
}

.teacher-sheet tbody tr.teacher-row--absent td.teacher-cell--altered-view {
  background: color-mix(in srgb, var(--class-pill-warn-bg) 55%, color-mix(in srgb, var(--absence-tint) 28%, var(--surface)));
  box-shadow: inset 0 0 0 1px var(--class-pill-warn-border);
}

#panelTeachers.teacher-edit-active
  .teacher-sheet
  tbody
  tr.teacher-row--absent
  td.teacher-cell--chips.teacher-cell--altered-view {
  background: color-mix(in srgb, rgba(234, 179, 8, 0.28) 50%, color-mix(in srgb, var(--absence-tint) 28%, var(--surface)));
}

/* Совмещение подгрупп — жёлтый фон, красный текст (сетка учителя / класса) */
.teacher-cell--merge-coverage {
  background: var(--merge-coverage-bg);
  box-shadow: inset 0 0 0 1px var(--merge-coverage-border);
  border-radius: 4px;
  color: var(--merge-coverage-text);
  transition:
    background 0.14s ease,
    box-shadow 0.14s ease,
    color 0.14s ease;
}

#panelTeachers.teacher-edit-active .teacher-cell--chips.teacher-cell--merge-coverage {
  background: color-mix(in srgb, var(--merge-coverage-bg) 92%, transparent);
  color: var(--merge-coverage-text);
}

.teacher-sheet tbody tr.teacher-row--absent td.teacher-cell--merge-coverage {
  background: color-mix(in srgb, var(--merge-coverage-bg) 55%, color-mix(in srgb, var(--absence-tint) 28%, var(--surface)));
  box-shadow: inset 0 0 0 1px var(--merge-coverage-border);
  color: var(--merge-coverage-text);
}

#panelTeachers.teacher-edit-active
  .teacher-sheet
  tbody
  tr.teacher-row--absent
  td.teacher-cell--chips.teacher-cell--merge-coverage {
  background: color-mix(
    in srgb,
    color-mix(in srgb, var(--merge-coverage-bg) 85%, transparent) 50%,
    color-mix(in srgb, var(--absence-tint) 28%, var(--surface))
  );
  color: var(--merge-coverage-text);
}

/* Кабинет/чипы задают muted — в совмещении весь текст красный */
.teacher-cell--merge-coverage .class-slot-room,
.teacher-cell--merge-coverage .class-chip-room,
.teacher-cell--merge-coverage .teacher-class-chip--base,
.teacher-cell--merge-coverage .teacher-class-sub--duty,
.teacher-cell--merge-coverage .teacher-plain-class-sep,
.teacher-cell--merge-coverage .muted {
  color: var(--merge-coverage-text);
}

.teacher-cell--merge-coverage .teacher-plain-class-pick {
  color: var(--merge-coverage-text);
  text-decoration-color: color-mix(in srgb, var(--merge-coverage-text) 45%, transparent);
}

.teacher-cell--merge-coverage .teacher-plain-class-pick:hover {
  color: var(--merge-coverage-text);
  background: color-mix(in srgb, var(--merge-coverage-bg) 55%, var(--surface));
}

/* Цель сброса во время перетаскивания */
.teacher-cell--chips.teacher-cell--drag-over {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  border-radius: 4px;
}

.top {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.top h1,
.app-title {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
  font-weight: 650;
  line-height: 1.3;
  max-width: min(100%, 36rem);
}

.tagline {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.75rem 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  padding: 0.42rem 0.62rem;
  border-radius: 6px 6px 0 0;
  cursor: pointer;
  font: inherit;
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  color: var(--text);
  background: var(--bg);
  border-color: var(--border);
  border-bottom-color: var(--bg);
  margin-bottom: -1px;
}

main {
  padding: 1rem 1.5rem 2rem;
  max-width: 1100px;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.teacher-journal-toolbar {
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.teacher-class-schedule-toolbar {
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.45rem 1rem;
}

/* Диалог «Дополнительный урок» (вкладка «Работа с классами») */
.extra-lesson-dialog {
  max-width: min(26rem, 94vw);
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  border-radius: 1rem;
  background: var(--surface);
  color: var(--text);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--text) 0.06, transparent),
    0 24px 48px rgba(0, 0, 0, 0.35),
    0 8px 16px rgba(0, 0, 0, 0.12);
  overflow: hidden;
}

.extra-lesson-dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.extra-lesson-dialog__form {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.extra-lesson-dialog__accent {
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    color-mix(in srgb, var(--accent) 65%, #22d3ee) 100%
  );
}

.extra-lesson-dialog__head {
  padding: 1.15rem 1.5rem 0.85rem;
}

.extra-lesson-dialog__title {
  margin: 0 0 0.45rem;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.extra-lesson-dialog__fields {
  padding: 0.35rem 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.extra-lesson-dialog__grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1rem;
}

@media (max-width: 520px) {
  .extra-lesson-dialog__grid2 {
    grid-template-columns: 1fr;
  }
}

.extra-lesson-dialog__field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}

.extra-lesson-dialog__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.extra-lesson-dialog__input {
  width: 100%;
  box-sizing: border-box;
  min-height: 2.65rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.55rem;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 55%, var(--surface));
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    background 0.15s ease;
}

.extra-lesson-dialog__input:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

.extra-lesson-dialog__input:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 0 0 3px var(--accent-dim);
  background: var(--surface);
}

.extra-lesson-dialog__input::placeholder {
  color: var(--muted);
  opacity: 0.65;
}

.extra-lesson-dialog__select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
  padding-right: 2.25rem;
}

[data-theme="light"] .extra-lesson-dialog__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235a6a7d' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

.extra-lesson-dialog__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 1rem 1.5rem 1.2rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: color-mix(in srgb, var(--bg) 40%, transparent);
}

@media (max-width: 380px) {
  .extra-lesson-dialog__footer {
    flex-direction: column;
    align-items: stretch;
  }
  .extra-lesson-dialog__footer .btn {
    width: 100%;
  }
}

/* Доп. урок: предмет и кнопка удаления в одну строку */
.class-slot-extra-row {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
  min-width: 0;
}

.class-slot-extra-row__lines {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.class-slot-extra-row__lines .class-slot-line {
  justify-content: flex-start;
}

.btn-extra-lesson-delete {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  margin: 0;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 0.45rem;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition:
    color 0.15s ease,
    background 0.15s ease,
    border-color 0.15s ease;
}

.btn-extra-lesson-delete:hover {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 14%, transparent);
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
}

.btn-extra-lesson-delete:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px color-mix(in srgb, var(--accent) 45%, transparent);
}

.btn-extra-lesson-delete-icon {
  display: block;
  pointer-events: none;
}

.teacher-journal-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
}

.teacher-journal-filter select {
  min-width: 11.5rem;
  max-width: 100%;
}

.teacher-journal-content {
  margin-top: 0.15rem;
  overflow-x: auto;
}

.teacher-journal-month-block {
  margin-bottom: 1.35rem;
}

.teacher-journal-month-block:last-child {
  margin-bottom: 0;
}

.teacher-journal-month-title {
  font-size: 1.02rem;
  font-weight: 650;
  margin: 0 0 0.45rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.teacher-journal-table {
  font-size: 0.86rem;
}

.teacher-journal-content > .teacher-journal-month-title:first-child {
  margin-top: 0;
}

.admin-journal-toolbar {
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.admin-journal-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
}

.admin-journal-filter select {
  min-width: 11.5rem;
  max-width: 100%;
}

.admin-journal-content {
  margin-top: 0.15rem;
  overflow-x: auto;
}

.admin-journal-table {
  min-width: 52rem;
  font-size: 0.84rem;
}

.admin-journal-table th,
.admin-journal-table td {
  vertical-align: top;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: flex-end;
  margin-bottom: 1rem;
}

.toolbar label,
.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

input[type="date"],
input[type="number"],
input[type="text"],
select,
textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 0.45rem 0.55rem;
  font: inherit;
  min-width: 10rem;
}

textarea {
  width: 100%;
  min-width: 100%;
  resize: vertical;
}

.file input {
  max-width: 220px;
}

.btn {
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.38rem 0.52rem;
  font: inherit;
  cursor: pointer;
}

.btn.primary {
  background: var(--btn-primary);
  border-color: var(--btn-primary-border);
}

.btn.primary:hover {
  background: var(--btn-primary-hover);
}

.btn.ghost:hover,
.btn:hover {
  border-color: var(--muted);
}

.btn.danger {
  color: var(--danger);
  border-color: var(--btn-danger-border);
  font-size: 0.85rem;
}

.grid-wrap {
  overflow-x: auto;
}

.sheet {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.sheet th,
.sheet td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.55rem;
  vertical-align: top;
}

.sheet th {
  background: var(--table-header-bg);
  text-align: left;
  font-weight: 600;
}

.cell-main {
  max-width: 420px;
}

.sub-cell {
  max-width: 280px;
}

.room-cell {
  max-width: 280px;
}

/** Строка с заменой по форме или переносом в сетке (вкладка «Расписание»). */
.schedule-class-sheet tr.schedule-row--sub td {
  background: color-mix(in srgb, var(--class-pill-warn-bg) 40%, var(--surface));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--class-pill-warn-border) 45%, transparent);
}

/** Запись на вкладке «Замены» — в расписании учителя (зелёный фон; в колонке №: «(з)» — замена, «(д)» — доп. урок). */
.schedule-class-sheet tr.schedule-row--sub-repl td {
  background: color-mix(in srgb, var(--class-pill-ok-bg) 42%, var(--surface));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--class-pill-ok-border) 45%, transparent);
}

/** Совмещение подгрупп — вкладка «Расписание», превью в сайдбаре */
.schedule-class-sheet tr.schedule-row--merge-coverage td {
  background: var(--merge-coverage-bg);
  box-shadow: inset 0 0 0 1px var(--merge-coverage-border);
  color: var(--merge-coverage-text);
}

.teacher-class-day-preview-table tr.teacher-class-day-preview-row--merge td {
  background: var(--merge-coverage-bg);
  box-shadow: inset 0 0 0 1px var(--merge-coverage-border);
  color: var(--merge-coverage-text);
}

.schedule-lesson-repl-mark {
  font-weight: 600;
  color: var(--class-pill-ok-text);
  white-space: nowrap;
}

.schedule-week-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .schedule-week-grid {
    grid-template-columns: 1fr;
  }
}

.schedule-week-col {
  min-width: 0;
}

.schedule-week-day {
  margin-bottom: 1.25rem;
}

.schedule-week-day:last-child {
  margin-bottom: 0;
}

.schedule-week-day-title {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.schedule-week-day-table {
  width: 100%;
  font-size: 0.88rem;
}

.schedule-week-day-empty {
  margin: 0;
}

.sub-line {
  margin-top: 0.35rem;
  color: var(--accent);
}

.muted {
  color: var(--muted);
}

.strike {
  text-decoration: line-through;
  opacity: 0.75;
}

.badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  background: var(--badge-bg);
  color: var(--warn);
  font-size: 0.8rem;
}

.warn {
  color: var(--warn);
}

.small {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem 1rem;
  margin-bottom: 1rem;
}

label.check {
  flex-direction: row !important;
  align-items: center;
  gap: 0.5rem !important;
}

label.block {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.list-wrap {
  overflow-x: auto;
}

h2 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.75rem;
}

.foot {
  padding: 0 1.5rem 2rem;
  max-width: 1100px;
}

.status {
  min-height: 1.25rem;
  color: var(--accent);
  font-size: 0.9rem;
}

.hint {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 0.5rem;
}

.hint code {
  display: block;
  margin-top: 0.35rem;
  color: var(--hint-code);
  font-size: 0.78rem;
}

.btn-theme {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0;
  min-width: 2.15rem;
}

.btn-theme .btn-theme-icon {
  display: block;
  flex-shrink: 0;
}

.btn-theme:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.btn-settings,
.btn-logout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0;
  min-width: 2.15rem;
  border-radius: 9px;
}

.btn-settings .btn-settings-icon {
  display: block;
  flex-shrink: 0;
}

.btn-settings:hover {
  color: var(--accent);
  border-color: rgba(110, 184, 255, 0.45);
  background: var(--accent-dim);
}

.btn-settings.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 1px rgba(110, 184, 255, 0.2);
}

.btn-logout:hover {
  color: var(--danger);
  border-color: rgba(248, 113, 113, 0.45);
  background: rgba(248, 113, 113, 0.08);
}