/* ==========================================
 * تجاوب لوحة المعلم — جداول، تبويبات، فلاتر
 * ========================================== */

.teacher-tab-panel {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: visible;
}

.teacher-main-panel {
  max-width: 100%;
  min-width: 0;
  overflow-x: hidden;
}

.teacher-grid,
.teacher-sidebar {
  min-width: 0;
}

.panel-header-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.teacher-toolbar-card {
  margin-bottom: 1.25rem;
  text-align: right;
  max-width: 100%;
}

.teacher-search-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  width: 100%;
}

.teacher-search-row .input-wrapper {
  flex: 1 1 280px;
  min-width: min(100%, 280px);
}

.teacher-pagination-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 0.5rem;
}

.teacher-pagination-controls {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  flex-wrap: wrap;
}

.teacher-pagination-controls .form-control {
  width: auto;
  min-width: 5rem;
  padding: 0.35rem 0.6rem;
}

.teacher-table-bottom-controls {
  margin: 0.75rem 0 1.5rem;
  padding: 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
}

.teacher-filter-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: flex-end;
  margin-bottom: 1rem;
  padding: 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  width: 100%;
  max-width: 100%;
}

.teacher-filter-toolbar .form-group {
  margin: 0;
  flex: 1 1 150px;
  min-width: min(100%, 150px);
}

.teacher-filter-toolbar > div:first-child {
  flex: 1 1 100%;
  min-width: 100%;
}

.teacher-filter-toolbar .btn-group-wrap,
.teacher-filter-toolbar > div:first-child > div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.form-grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: 1rem;
}

.table-container {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  width: 100%;
  scrollbar-width: thin;
  scrollbar-color: var(--secondary) rgba(255, 255, 255, 0.06);
}

.table-container:focus {
  outline: 2px solid rgba(20, 184, 166, 0.55);
  outline-offset: 3px;
}

.table-container::-webkit-scrollbar {
  height: 10px;
}

.table-container::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
}

.table-container::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, var(--secondary), var(--accent));
  border-radius: 999px;
}

.table-container table {
  min-width: 760px;
  table-layout: auto;
}

.table-container--compact table {
  min-width: 640px;
}

.table-container--wide table {
  min-width: 980px;
}

.table-container th {
  white-space: nowrap;
}

.table-container td {
  vertical-align: top;
  overflow-wrap: anywhere;
}

.table-container td code {
  direction: ltr;
  display: inline-block;
  max-width: 16rem;
  white-space: nowrap;
}

.teacher-table-actions {
  min-width: 9rem;
  white-space: normal;
}

.teacher-table-actions .btn {
  width: auto;
  margin: 0.125rem;
  padding: 0.3rem 0.55rem;
}

.table-scroll-hint {
  display: none;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 255, 255, 0.08);
}

.teacher-accounts-actions,
.exam-actions-row,
.teacher-pagination-controls .btn,
table .btn,
.teacher-table-actions .btn,
.teacher-filter-toolbar .btn {
  width: auto;
}

.teacher-sortable-th {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.teacher-sortable-th.is-sorted {
  color: var(--secondary);
}

.teacher-sortable-th:hover {
  color: var(--accent);
}

#teacher-stats-date-range {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
}

@media (max-width: 1100px) {
  .teacher-grid {
    grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
    gap: 1.25rem;
  }

  .teacher-main-panel {
    padding: 1.75rem;
  }
}

@media (max-width: 900px) {
  .teacher-menu {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    justify-content: flex-start;
    gap: 0.35rem;
    padding-bottom: 0.35rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .teacher-menu-item {
    flex: 0 0 auto;
    white-space: nowrap;
    min-width: max-content;
  }

  .teacher-grid {
    grid-template-columns: 1fr;
  }

  .form-grid-2,
  .form-grid-3,
  .teacher-main-panel div[style*="grid-template-columns"],
  .exam-builder-card div[style*="grid-template-columns"],
  .config-card-box div[style*="grid-template-columns"],
  #teacher-account-editor-panel div[style*="grid-template-columns"],
  #teacher-stats-date-range {
    grid-template-columns: 1fr !important;
  }

  .form-grid-2,
  .form-grid-3 {
    display: grid !important;
  }

  .table-scroll-hint {
    display: block;
  }

  .teacher-stats-two-col {
    grid-template-columns: 1fr;
  }

  .panel-header-actions {
    width: 100%;
  }

  .panel-header-actions .btn {
    flex: 1 1 auto;
  }
}

@media (max-width: 600px) {
  .teacher-menu-item {
    min-width: max-content;
    font-size: 0.8rem;
    padding: 0.45rem 0.65rem;
  }

  .teacher-main-panel {
    padding: 1rem;
  }

  .teacher-sidebar {
    padding: 1rem;
  }

  .panel-header-actions .btn.btn-sm,
  .teacher-pagination-controls .btn,
  .teacher-search-row .btn,
  .teacher-filter-toolbar .btn {
    width: auto;
    flex: 1 1 auto;
    min-width: fit-content;
  }

  .panel-header-actions > .btn:not(.btn-sm) {
    width: 100%;
    flex: 1 1 100%;
  }

  .hero-cta > .btn,
  .card > .btn.btn-primary {
    width: 100%;
  }

  th,
  td {
    padding: 0.65rem 0.75rem;
    font-size: 0.82rem;
  }

  .teacher-filter-toolbar .form-group {
    flex: 1 1 100%;
    min-width: 100%;
  }

  .teacher-pagination-row {
    flex-direction: column;
    align-items: stretch;
  }

  .teacher-pagination-controls {
    justify-content: center;
  }

  .teacher-pagination-controls .form-control {
    flex: 1 1 auto;
    min-width: 4.5rem;
  }

  .teacher-table-bottom-controls {
    padding: 0.75rem;
  }

  .table-container table,
  .table-container--wide table {
    min-width: 900px;
  }

  .table-container--compact table {
    min-width: 640px;
  }

  .exam-info-card {
    padding: 1rem;
  }

  details.config-card-box summary {
    font-size: 0.9rem;
  }
}

@media (max-width: 400px) {
  .table-container table {
    min-width: 860px;
  }

  .table-container--compact table {
    min-width: 620px;
  }

  .panel-title {
    font-size: 1.05rem;
  }
}

/* شريط مزامنة عام في لوحة المعلم */
.teacher-global-sync-bar {
  margin-bottom: 1rem;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.teacher-global-sync-bar.is-syncing {
  border-color: rgba(20, 184, 166, 0.35);
}

.teacher-global-sync-bar.is-local-only {
  border-color: rgba(245, 158, 11, 0.35);
}

.teacher-global-sync-bar.is-error {
  border-color: rgba(239, 68, 68, 0.35);
}

/* قائمة تنقل الموقع على الجوال */
.site-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 8px;
  padding: 0.35rem 0.5rem;
  cursor: pointer;
  margin-inline-start: auto;
}

.site-nav-toggle .material-icons {
  font-size: 1.5rem;
  vertical-align: middle;
}

@media (max-width: 768px) {
  .site-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-container {
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    order: 3;
    padding: 0.75rem 0;
    border-top: 1px solid var(--border-color);
    margin-top: 0.25rem;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 0.65rem 0.25rem;
  }
}