[data-theme="dark"] {
  --sidebar-bg: rgba(0, 0, 0, 0.3);
  --sidebar-border: rgba(255, 255, 255, 0.06);
  --sidebar-hover: rgba(255, 255, 255, 0.06);
  --sidebar-active: rgba(201, 168, 76, 0.12);
  --sidebar-active-border: #c9a84c;
  --filters-bg: rgba(0, 0, 0, 0.2);
  --filters-border: rgba(255, 255, 255, 0.06);
  --table-bg: rgba(255, 255, 255, 0.03);
  --table-border: rgba(255, 255, 255, 0.08);
  --table-header-bg: rgba(255, 255, 255, 0.05);
  --table-hover: rgba(255, 255, 255, 0.04);
  --table-cell-bg: rgba(255, 255, 255, 0.02);
  --lesson-bg: rgba(201, 168, 76, 0.15);
  --lesson-border: rgba(201, 168, 76, 0.3);
  --lesson-text: #c9a84c;
  --scrollbar-bg: rgba(255, 255, 255, 0.04);
  --scrollbar-thumb: rgba(255, 255, 255, 0.15);
  --scrollbar-thumb-hover: rgba(255, 255, 255, 0.25);
}

[data-theme="light"] {
  --sidebar-bg: rgba(255, 255, 255, 0.7);
  --sidebar-border: rgba(0, 0, 0, 0.06);
  --sidebar-hover: rgba(0, 0, 0, 0.04);
  --sidebar-active: rgba(91, 74, 138, 0.08);
  --sidebar-active-border: #5b4a8a;
  --filters-bg: rgba(255, 255, 255, 0.5);
  --filters-border: rgba(0, 0, 0, 0.06);
  --table-bg: rgba(255, 255, 255, 0.6);
  --table-border: rgba(0, 0, 0, 0.08);
  --table-header-bg: rgba(0, 0, 0, 0.03);
  --table-hover: rgba(0, 0, 0, 0.02);
  --table-cell-bg: rgba(255, 255, 255, 0.5);
  --lesson-bg: rgba(91, 74, 138, 0.1);
  --lesson-border: rgba(91, 74, 138, 0.25);
  --lesson-text: #5b4a8a;
  --scrollbar-bg: rgba(0, 0, 0, 0.03);
  --scrollbar-thumb: rgba(0, 0, 0, 0.15);
  --scrollbar-thumb-hover: rgba(0, 0, 0, 0.25);
}

html, body {
  overflow: hidden;
}

body:has(#viewDashboard.active) .theme-toggle {
  top: 8px;
}

body {
  display: block;
}

/* ─── Layout ─── */
.app-layout {
  display: flex;
  width: 100%;
  height: 100vh;
  background: var(--bg-gradient);
  transition: background 0.4s;
  overflow: hidden;
}

/* ─── Sidebar ─── */
.sidebar {
  width: 240px;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  backdrop-filter: blur(16px);
  transition: width 0.3s ease, min-width 0.3s ease, background 0.4s;
  overflow: hidden;
  z-index: 10;
}

.sidebar.collapsed {
  width: 60px;
  min-width: 60px;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 14px;
  border-bottom: 1px solid var(--sidebar-border);
  min-height: 60px;
}

.sidebar-toggle {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}

.sidebar-toggle:hover {
  background: var(--sidebar-hover);
  color: var(--text);
}

.sidebar-toggle svg {
  transition: transform 0.3s;
}

.sidebar.collapsed .sidebar-toggle svg {
  transform: scaleX(-1);
}

.sidebar-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.sidebar.collapsed .sidebar-logo {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

/* ─── Nav ─── */
.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 10px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
  position: relative;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--sidebar-active);
  color: var(--sidebar-active-border);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  border-radius: 0 3px 3px 0;
  background: var(--sidebar-active-border);
}

.nav-item.disabled {
  opacity: 0.35;
  pointer-events: none;
  cursor: default;
}

.nav-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-label {
  transition: opacity 0.2s;
}

.sidebar.collapsed .nav-label {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: 10px 0;
}

.sidebar.collapsed .nav-item.active::before {
  left: 0;
}

/* ─── Footer ─── */
.sidebar-footer {
  border-top: 1px solid var(--sidebar-border);
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.user-block {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 10px;
  cursor: default;
  transition: background 0.2s;
}

.user-block:hover {
  background: var(--sidebar-hover);
}

.user-avatar {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

.user-info {
  min-width: 0;
  transition: opacity 0.2s;
}

.sidebar.collapsed .user-info {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 0.7rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sidebar-logout {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
  transition: background 0.2s, color 0.2s;
}

.sidebar-logout:hover {
  background: var(--sidebar-hover);
  color: var(--error);
}

.sidebar.collapsed .sidebar-logout {
  justify-content: center;
  padding: 8px 0;
}

/* ─── Main Content ─── */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.page {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--table-border);
  flex-shrink: 0;
}

#pageTitle {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}

#pageActions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.96);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

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

.btn-text {
  background: transparent;
  color: var(--text-secondary);
  padding: 4px 8px;
  font-size: 0.8rem;
}

.btn-text:hover {
  color: var(--accent);
  background: var(--sidebar-hover);
}

/* ─── Schedule Body ─── */
.schedule-body {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.schedule-table-container {
  position: absolute;
  inset: 0;
  margin-bottom: 10px;
  overflow: auto;
}

.schedule-table-container::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.schedule-table-container::-webkit-scrollbar-track {
  background: var(--scrollbar-bg);
}

.schedule-table-container::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

.schedule-table-container::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

.schedule-empty {
  display: none;
  position: absolute;
  inset: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.schedule-empty.visible {
  display: flex;
}

/* ─── Table ─── */
.schedule-table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  height: 100%;
  table-layout: fixed;
}

.schedule-table th,
.schedule-table td {
  border: 1px solid var(--table-border);
  padding: 0;
  text-align: center;
  vertical-align: middle;
  font-size: 0.78rem;
}

.schedule-table thead th {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--table-header-bg);
  backdrop-filter: blur(8px);
  padding: 8px 6px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  min-width: 80px;
  border-top: none;
}

.schedule-table thead tr:last-child th {
  border-bottom-width: 3px;
}

.schedule-table thead th .col-day {
  display: block;
  font-size: 0.75rem;
  color: var(--text);
  margin-bottom: 2px;
}

.schedule-table thead th .col-room {
  display: block;
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.schedule-table thead th .col-date {
  display: block;
  font-size: 0.65rem;
  color: var(--text-secondary);
  opacity: 0.7;
  margin-top: 2px;
}

.schedule-table .col-time {
  position: sticky;
  left: 0;
  z-index: 10;
  background: var(--table-bg);
  backdrop-filter: blur(8px);
  padding: 8px 10px;
  min-width: 90px;
  width: 90px;
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
  text-align: center;
  border-left: 3px solid var(--table-border);
}

.schedule-table .day-start {
  border-left-width: 3px;
}

.schedule-table .day-group-header {
  font-size: 0.82rem;
  color: var(--text);
  letter-spacing: 0.03em;
  border-left-width: 3px;
}

.schedule-table tbody th {
  position: sticky;
  left: 0;
  z-index: 3;
  background: var(--table-bg);
  backdrop-filter: blur(8px);
}

.schedule-table tbody tr {
  transition: background 0.15s;
}

.schedule-table tbody tr:hover td:not(.cell-lesson) {
  background: var(--table-hover);
}

.schedule-table tbody td {
  background: var(--table-cell-bg);
  padding: 2px;
  min-width: 80px;
  height: 48px;
  transition: background 0.15s;
}

.schedule-table .time-now {
  background: rgba(255, 77, 77, 0.05);
}

.schedule-table .time-now .col-time {
  color: var(--accent);
  font-weight: 700;
}

/* ─── Lesson Cell ─── */
.cell-lesson {
  cursor: pointer;
  padding: 4px 6px !important;
  border-radius: 6px;
  background: var(--lesson-bg) !important;
  border: 1px solid var(--lesson-border) !important;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  position: relative;
  overflow: hidden;
}

.cell-lesson:hover {
  border-color: var(--lesson-text) !important;
  background: var(--lesson-bg) !important;
  transform: scale(1.02);
  z-index: 2;
}

.cell-lesson:active {
  transform: scale(0.98);
}

.cell-lesson .lesson-student {
  display: block;
  font-weight: 600;
  color: var(--lesson-text);
  font-size: 0.78rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cell-lesson .lesson-teacher {
  display: block;
  font-size: 0.68rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cell-lesson .lesson-time {
  display: block;
  font-size: 0.6rem;
  color: var(--text-secondary);
  opacity: 0.6;
}

.cell-lesson.has-comment::after {
  content: '';
  position: absolute;
  top: 4px;
  right: 4px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

.cell-multiple {
  cursor: pointer;
  position: relative;
}

.lesson-count {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--lesson-text);
  letter-spacing: -0.02em;
}

/* ─── Data Table ─── */
.data-table-wrap {
  flex: 1;
  overflow: auto;
  padding: 0 24px 16px;
}

.data-table-wrap::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.data-table-wrap::-webkit-scrollbar-track {
  background: var(--scrollbar-bg);
}

.data-table-wrap::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: auto;
  font-size: 0.88rem;
}

.data-table th {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--table-header-bg);
  backdrop-filter: blur(8px);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  border-bottom: 2px solid var(--table-border);
  cursor: pointer;
  user-select: none;
  transition: color 0.15s;
}

.data-table th:hover {
  color: var(--text);
}

.data-table th .sort-arrow {
  display: inline-block;
  margin-left: 4px;
  font-size: 0.55rem;
  opacity: 0.25;
  transition: opacity 0.15s, color 0.15s;
}

.data-table th .sort-arrow::after {
  content: '▲';
}

.data-table th.sort-desc .sort-arrow::after {
  content: '▼';
}

.data-table th.sort-asc .sort-arrow,
.data-table th.sort-desc .sort-arrow {
  opacity: 1;
  color: var(--accent);
}

.data-table th.col-actions {
  width: 80px;
  text-align: center;
  cursor: default;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--table-border);
  color: var(--text);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background 0.1s;
}

.data-table tbody tr:hover {
  background: var(--table-hover);
}

.data-table td .row-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.15s;
}

.data-table tbody tr:hover .row-actions {
  opacity: 1;
}

.row-action-btn {
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}

.row-action-btn:hover {
  background: var(--sidebar-hover);
}

.row-action-btn.edit:hover {
  color: var(--accent);
}

.row-action-btn.delete:hover {
  color: var(--error);
}

.data-table-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.data-table td .data-comment {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.data-table td .data-bdate {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* ─── Filters Panel ─── */
.filters-panel {
  width: 260px;
  min-width: 260px;
  display: flex;
  flex-direction: column;
  background: var(--filters-bg);
  border-left: 1px solid var(--filters-border);
  backdrop-filter: blur(16px);
  transition: width 0.3s ease, min-width 0.3s ease, background 0.4s;
  overflow: hidden;
}

.filters-header {
  padding: 16px 18px;
  border-bottom: 1px solid var(--filters-border);
  flex-shrink: 0;
  min-height: 60px;
  display: flex;
  align-items: center;
}

.filters-header h3 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.filters-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.filters-body::-webkit-scrollbar {
  width: 6px;
}

.filters-body::-webkit-scrollbar-track {
  background: transparent;
}

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

.filter-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.filter-empty {
  font-size: 0.8rem;
  color: var(--text-secondary);
  opacity: 0.5;
}

.filter-input {
  width: 100%;
  padding: 8px 10px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.2s;
}

.filter-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.5;
}

.filter-input:focus {
  border-color: var(--accent);
}

.filter-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* Week selector */
.week-selector {
  display: flex;
  align-items: center;
  gap: 6px;
}

.week-btn {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}

.week-btn:hover {
  background: var(--sidebar-hover);
  color: var(--text);
}

.week-label {
  flex: 1;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

/* Checkbox filters */
.filter-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 200px;
  overflow-y: auto;
}

.filter-checkboxes::-webkit-scrollbar {
  width: 4px;
}

.filter-checkboxes::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 2px;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
  user-select: none;
}

.filter-checkbox:hover {
  background: var(--sidebar-hover);
  color: var(--text);
}

.filter-checkbox input[type="checkbox"] {
  display: none;
}

.filter-checkbox .checkmark {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  border: 2px solid var(--text-secondary);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
}

.filter-checkbox input:checked + .checkmark {
  background: var(--accent);
  border-color: var(--accent);
}

.filter-checkbox input:checked + .checkmark::after {
  content: '';
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-top: -1px;
}

.filter-checkbox .check-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .filters-panel {
    width: 220px;
    min-width: 220px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    width: 60px;
    min-width: 60px;
  }

  .sidebar .nav-label,
  .sidebar .user-info,
  .sidebar .sidebar-logo {
    display: none;
  }

  .sidebar .nav-item {
    justify-content: center;
    padding: 10px 0;
  }

  .sidebar .sidebar-logout {
    justify-content: center;
    padding: 8px 0;
  }

  .sidebar .nav-item.active::before {
    left: 0;
  }

  .filters-panel {
    width: 200px;
    min-width: 200px;
  }

  .page-header {
    padding: 12px 16px;
  }
}

/* ─── Modal ─── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  width: 100%;
  max-width: 480px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(var(--blur-amount));
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 0;
}

.modal-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.modal-icon-btn,
.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}

.modal-icon-btn:hover,
.modal-close:hover {
  background: var(--sidebar-hover);
  color: var(--text);
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
}

.modal-body .form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.modal-body .form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.modal-body .form-group select,
.modal-body .form-group input,
.modal-body .form-group textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.modal-body .form-group select:focus,
.modal-body .form-group input:focus,
.modal-body .form-group textarea:focus {
  border-color: var(--input-focus-border);
}

.modal-body .form-group select {
  cursor: pointer;
}

[data-theme="dark"] .modal-body .form-group select {
  background: rgba(255, 255, 255, 0.1);
  color-scheme: dark;
}

[data-theme="dark"] .modal-body .form-group select option {
  background: #1e1c38;
  color: #fff;
}

[data-theme="light"] .modal-body .form-group select {
  color-scheme: light;
}

.modal-body .form-group textarea {
  resize: vertical;
  min-height: 48px;
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-row .form-group {
  flex: 1;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding-top: 4px;
}

.btn-cancel {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--input-border);
}

.btn-cancel:hover {
  background: var(--toggle-hover);
  color: var(--text);
}

/* ─── Info Modal ─── */
.modal-info {
  max-width: 400px;
}

.modal-info .modal-body {
  max-height: min(480px, 70vh);
  overflow-y: auto;
}

.modal-info .modal-body::-webkit-scrollbar {
  width: 6px;
}

.modal-info .modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.modal-info .modal-body::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

.info-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--input-border);
  margin-bottom: 16px;
}

.info-section-main {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex: 1;
}

.info-edit-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}

.info-edit-btn:hover {
  background: var(--sidebar-hover);
  color: var(--accent);
}

.info-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
}

.info-details {
  min-width: 0;
}

.info-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.info-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.info-divider {
  height: 1px;
  background: var(--input-border);
  margin: 16px 0;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
}

.info-row + .info-row {
  border-top: 1px solid var(--input-border);
}

.info-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.info-value {
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 600;
  text-align: right;
}

.info-comment {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--input-border);
}

.info-comment .info-label {
  display: block;
  margin-bottom: 6px;
}

.info-comment p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.5;
  white-space: pre-wrap;
}

/* ─── Info Lesson List ─── */
.info-list-header {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.info-lesson-list {
  max-height: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.info-lesson-list::-webkit-scrollbar {
  width: 6px;
}

.info-lesson-list::-webkit-scrollbar-track {
  background: transparent;
}

.info-lesson-list::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

.info-lesson-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--sidebar-hover);
  border-radius: 10px;
  transition: background 0.15s;
}

.info-lesson-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.info-lesson-details {
  min-width: 0;
  flex: 1;
}

.info-lesson-student {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.info-lesson-meta {
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.info-lesson-comment-dot {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}