:root{ --gap-s:.5rem; --gap-m:1rem; --radius:.75rem; }

/* Session List Mobile Optimizations (Issue #22-1) */
@media (max-width: 480px) {
  /* Session Cards Stacking */
  .session-card {
    margin: 0.5rem 0 !important;
    font-size: 0.9rem;
  }
  
  .session-card .card-header {
    font-size: 0.85rem;
    padding: var(--gap-m);
    flex-wrap: wrap;
    gap: var(--gap-s);
  }
  
  .session-card .card-body {
    padding: var(--gap-m);
  }
  
  /* Quick Stats Mobile Layout */
  .quick-stats {
    flex-direction: row;
    justify-content: space-around;
    gap: var(--gap-s);
    padding: var(--gap-m) 0;
  }
  
  .quick-stat-number {
    font-size: 1.2rem;
    line-height: 1.1;
  }
  
  .quick-stat-label {
    font-size: 0.65rem;
    line-height: 1.2;
  }
  
  /* Statistics Cards Row */
  .stat-card .stat-number {
    font-size: 1.5rem;
  }
  
  .stat-card .card-body {
    padding: var(--gap-m) var(--gap-s);
  }
  
  /* Status Badge Mobile */
  .status-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
  }
  
  /* Card Footer Mobile */
  .session-card .card-footer {
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
  }
  
  .session-card .card-footer .d-flex {
    flex-direction: column;
    gap: 0.25rem;
    align-items: flex-start !important;
  }
}

/* Mobile Lessons Layout ≤576px (Issue #22-1) - Restauriert nach Revert */
@media (max-width: 576px){
  /* Lesson Table Mobile - Standard responsive table transform */
  table.lesson-table { display:block; width:100%; }
  table.lesson-table thead { display:none; }
  table.lesson-table tbody { display:block; }

  table.lesson-table tbody tr.lesson-row{
    display:grid;
    grid-template-columns:1fr;
    gap:var(--gap-s);
    padding:var(--gap-m);
    border:1px solid #e5e7eb;
    border-radius:var(--radius);
    margin-block:var(--gap-m);
    background:#fff;
    position: relative;
    overflow: visible;
    z-index: auto;
  }

  .project-cell  { order:1; }
  .duration-cell { order:2; }
  .remarks-cell  { order:3; }
  .tariff-cell   { order:4; }
  .actions-cell  { order:5; }

  /* Add labels before each cell in mobile view - ONLY for table rows */
  /* Note: Cards don't have <td> elements, so this naturally only applies to table rows */
  table.lesson-table tbody tr.lesson-row td::before { 
    font-weight: 600; 
    color: #6c757d; 
    display: block !important; 
    margin-bottom: 0.5rem; 
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
  }
  
  table.lesson-table tbody tr.lesson-row td {
    width: 100% !important;
    display: block !important;
    padding: var(--gap-m) 0 !important;
    border: none !important;
    word-wrap: break-word;
  }
  
  table.lesson-table tbody tr.lesson-row td.project-cell::before  { content: "Projekt"; }
  table.lesson-table tbody tr.lesson-row td.duration-cell::before { content: "Dauer (Min)"; }
  table.lesson-table tbody tr.lesson-row td.remarks-cell::before  { content: "Hinweise"; }
  table.lesson-table tbody tr.lesson-row td.tariff-cell::before   { content: "Tarif (CHF)"; }
  table.lesson-table tbody tr.lesson-row td.actions-cell::before  { content: "Aktionen"; }

  .actions-cell .btn { width:auto; }
  .actions-cell .save-status { display:inline-block; margin-left:.5rem; }
  
  /* Add Lesson Button Row */
  tr.add-lesson-row { display:block; border:none; margin:var(--gap-m) 0; background:#f8f9fa; border-radius:var(--radius); }
  tr.add-lesson-row td { display:block; padding:var(--gap-m); border:none !important; }

  /* Clean Mobile Layout - Table wird komplett ausgeblendet */

  /* Mobile Dropdown Fix */
  .project-cell {
    position: relative;
    z-index: 1000;
  }
  
  .project-cell .form-select {
    position: relative;
    z-index: 1001;
  }
  
  /* Mobile Select Fix - Force native dropdowns */
  .project-cell select.form-select,
  .tariff-cell select.form-select {
    width: 100%;
    max-width: none;
    position: relative;
    z-index: 100;
    /* Force native appearance on mobile */
    -webkit-appearance: menulist;
    -moz-appearance: menulist;
    appearance: auto;
  }
  
  /* Force autocomplete dropdown visibility on mobile */
  .project-cell .autocomplete-container,
  .tariff-cell .autocomplete-container {
    position: relative !important;
    z-index: 1000 !important;
  }
  
  /* Autocomplete dropdown mobile positioning - all variants */
  .autocomplete-dropdown,
  .project-cell .dropdown-menu,
  .tariff-cell .dropdown-menu,
  .lesson-row .dropdown-menu,
  .project-select + .dropdown-menu,
  .project-select + ul,
  .project-select + .autocomplete-list,
  [class*="dropdown"][class*="project"],
  [class*="autocomplete"][class*="dropdown"] {
    position: fixed !important;
    z-index: 9999 !important;
    left: 0.5rem !important;
    right: 0.5rem !important;
    top: auto !important;
    bottom: auto !important;
    max-height: 250px !important;
    overflow-y: auto !important;
    border: 1px solid #ced4da !important;
    border-radius: 0.375rem !important;
    background: white !important;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
    margin-top: 2px !important;
    width: auto !important;
    max-width: none !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    transform: none !important;
  }
  
  /* Override z-index for all lesson rows to prevent stacking issues */
  table.lesson-table tbody tr.lesson-row {
    z-index: 1 !important;
    /* Ensure transform context doesn't interfere with dropdowns */
    transform: none !important;
    contain: none !important;
  }
  
  table.lesson-table tbody tr.lesson-row:hover,
  table.lesson-table tbody tr.lesson-row:focus-within {
    z-index: 1000 !important;
  }
  
  /* Additional mobile dropdown visibility fixes */
  body.mobile-view [class*="dropdown"],
  body.mobile-view [class*="autocomplete"] {
    z-index: 10000 !important;
    position: fixed !important;
  }
  
  /* Prevent parent containers from clipping dropdowns */
  .lesson-entries-container,
  .table-responsive,
  #lesson-entries-tbody {
    overflow: visible !important;
    position: static !important;
  }

  /* Mobile Cards für Read-Only Sessions sind via Bootstrap d-block d-sm-none gesteuert */
}

/* Mobile Actions Layout (Issue #22-6) - Bootstrap responsive approach */
@media (max-width: 767.98px) {
  /* ENTIRE SESSION-ACTIONS CONTAINER: Vertikal stacked */
  .session-actions {
    display: flex !important;
    flex-direction: column !important;
    gap: 1rem !important;
    width: 100% !important;
  }
  
  /* Primary Actions: Vertikal stacked */
  .session-actions .primary-actions-container {
    display: flex !important;
    flex-direction: column !important;
    gap: 1rem !important;
    align-items: stretch !important;
    width: 100% !important;
    margin-bottom: 0 !important;
  }
  
  .session-actions .primary-actions-buttons {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
    width: 100% !important;
  }
  
  /* Buttons: Volle Breite */
  .session-actions #save-draft-btn,
  .session-actions #complete-session-btn {
    width: 100% !important;
    min-height: 48px !important;
    margin-right: 0 !important;
    margin-left: 0 !important;
    margin-bottom: 0 !important;
    flex: none !important;
  }
  
  /* Auto-Save Status zentriert */
  .session-actions .auto-save-status {
    text-align: center !important;
    width: 100% !important;
  }
  
  /* Mobile No Students Button - volle Breite */
  .session-actions #no-students-btn-mobile {
    width: 100% !important;
    min-height: 48px !important;
    margin: 0 !important;
  }
  
  /* Alternative actions: volle Breite, unterhalb der primary actions */
  .session-actions .alternative-actions {
    width: 100% !important;
  }
  
  /* Mobile Layout für alternative actions */
  .session-actions .alternative-actions .d-md-none {
    text-align: center !important;
    width: 100% !important;
  }
  
  .session-actions .alternative-actions .d-md-none p {
    margin-bottom: 1rem !important;
  }
}

/* Desktop Layout - Horizontal wie bisher */
@media (min-width: 768px) {
  .session-actions .primary-actions-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .session-actions .primary-actions-buttons {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
  }
  
  /* Desktop No Students Layout - horizontal */
  .session-actions .alternative-actions .d-none.d-md-flex {
    display: flex !important;
    align-items: center;
    gap: 1rem;
  }
  
  .session-actions .alternative-actions .d-none.d-md-flex .flex-grow-1 {
    flex-grow: 1;
  }
  
  .session-actions #no-students-btn {
    flex-shrink: 0;
    min-width: auto;
  }
}