/* ===== CSS Variables ===== */
:root {
    --primary: #e91e63;
    --primary-dark: #c2185b;
    --primary-light: #fce4ec;
    
    --cs-color: #2196f3;
    --marketing-color: #ff9800;
    --laser-color: #9c27b0;
    --schedule-color: #4caf50;
    
    --bg-main: #f8f9fa;
    --bg-white: #ffffff;
    --bg-sidebar: #1a1a2e;
    
    --text-primary: #212121;
    --text-secondary: #757575;
    --text-light: #ffffff;
    --text-muted: rgba(255,255,255,0.7);
    
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
    
    --sidebar-width: 280px;
    --transition: all 0.2s ease;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ===== Layout ===== */
.layout {
    display: flex;
    min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-light);
    position: fixed;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.wiki-badge {
    background: var(--primary);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text-muted);
    transition: var(--transition);
    margin-bottom: 4px;
}

.nav-item:hover, .nav-item.active {
    background: rgba(255,255,255,0.1);
    color: var(--text-light);
}

.nav-item.active {
    background: var(--primary);
}

.nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

/* Nav Groups */
.nav-group {
    margin-bottom: 4px;
}

.nav-group-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.nav-group-header:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text-light);
}

.nav-arrow {
    margin-left: auto;
    font-size: 10px;
    transition: var(--transition);
}

.nav-group.collapsed .nav-arrow {
    transform: rotate(-90deg);
}

.nav-group-items {
    padding-left: 44px;
    overflow: hidden;
    max-height: 200px;
    transition: max-height 0.3s ease;
}

.nav-group.collapsed .nav-group-items {
    max-height: 0;
}

.nav-subitem {
    display: block;
    padding: 8px 16px;
    color: var(--text-muted);
    border-radius: 6px;
    font-size: 14px;
    transition: var(--transition);
}

.nav-subitem:hover, .nav-subitem.active {
    color: var(--text-light);
    background: rgba(255,255,255,0.05);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 32px 40px;
    max-width: 1200px;
}

.page-header {
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.header-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Section Titles */
.section-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* ===== Card Grid ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.card-schedule { border-left-color: var(--schedule-color); }
.card-cs { border-left-color: var(--cs-color); }
.card-marketing { border-left-color: var(--marketing-color); }
.card-laser { border-left-color: var(--laser-color); }

.card-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.card-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

.card-links {
    display: flex;
    gap: 16px;
}

.card-links a {
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
    transition: var(--transition);
}

.card-links a:hover {
    color: var(--primary-dark);
}

/* ===== Announcements ===== */
.announcements {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow);
}

.announcement-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.announcement-item {
    display: flex;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.announcement-item:last-child {
    border-bottom: none;
}

.announcement-date {
    font-size: 13px;
    color: var(--text-secondary);
    min-width: 90px;
}

.announcement-text {
    font-size: 14px;
}

/* ===== Page Content Styles ===== */
.content-section {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.content-section h2 {
    font-size: 20px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.content-section h3 {
    font-size: 16px;
    margin: 20px 0 12px;
    color: var(--text-primary);
}

.content-section p {
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.content-section ul, .content-section ol {
    margin-left: 24px;
    margin-bottom: 16px;
}

.content-section li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.data-table th, .data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-main);
    font-weight: 600;
    font-size: 14px;
}

.data-table td {
    font-size: 14px;
}

.data-table tr:hover td {
    background: var(--primary-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

/* Link List */
.link-list {
    list-style: none;
    margin: 0;
}

.link-list li {
    margin-bottom: 8px;
}

.link-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-main);
    border-radius: 8px;
    transition: var(--transition);
}

.link-list a:hover {
    background: var(--primary-light);
    color: var(--primary);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--primary);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* ===== Quiz Styles ===== */
.quiz-container {
    max-width: 800px;
}

.quiz-question {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.quiz-question-number {
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.quiz-question-text {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 16px;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-main);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.quiz-option:hover {
    border-color: var(--primary-light);
}

.quiz-option.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.quiz-option input {
    display: none;
}

.quiz-option-marker {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quiz-option.selected .quiz-option-marker {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .main-content {
        padding: 24px;
    }
    
    .card-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: var(--transition);
        z-index: 1000;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .page-header h1 {
        font-size: 24px;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
}
.slot-name-pill {
  font-size: 11px;
}

/* ===== View Mode Toggle ===== */
#view-mode-toggle {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.view-toggle-btn {
  transition: all 0.2s ease;
}

.view-toggle-btn:hover {
  background: #f0f0f0;
}

.view-toggle-btn.active:hover {
  background: #ffffff;
}

/* ===== Quick Assignment Panel ===== */
.schedule-cell.qa-selected {
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%) !important;
border: 1px solid #2196f3 !important;
  box-shadow: inset 0 0 0 2px rgba(33, 150, 243, 0.15), 0 4px 12px rgba(33, 150, 243, 0.2);
  transform: none;
  transition: all 0.2s ease;
}

.schedule-cell.qa-selected .slot-cell-inner {
  opacity: 1;
}

#quick-assignment-panel {
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.04);
}

#quick-assignment-panel:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1), 0 8px 24px rgba(0, 0, 0, 0.06);
}

#quick-assignment-panel h3 {
  color: var(--primary);
  font-weight: 700;
}

#qa-mode-info {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

#qa-employee-select {
  font-family: 'Inter', sans-serif;
  transition: all 0.2s ease;
  border: 1px solid #ddd;
}

#qa-employee-select:hover {
  border-color: #2196f3;
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

#qa-employee-select:focus {
  outline: none;
  border-color: #2196f3;
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.2);
}

#qa-selected-count {
  transition: all 0.2s ease;
}

#qa-count-value {
  font-weight: 700;
  color: #2196f3;
  font-size: 14px;
}

.btn {
  transition: all 0.2s ease;
  font-weight: 500;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

#qa-employee-list::-webkit-scrollbar {
  width: 6px;
}

#qa-employee-list::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

#qa-employee-list::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 3px;
  transition: background 0.2s ease;
}

#qa-employee-list::-webkit-scrollbar-thumb:hover {
  background: #999;
}

/* Quick View badges (Overview mode) - Flex layout with alphabetical sorting */
.quick-view-badges {
  max-width: 100%;
  min-height: 24px;
  /* Employees sorted alphabetically for consistent positioning */
}

.quick-view-badge {
  transition: all 0.15s ease !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.quick-view-badge:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  z-index: 10;
}

.quick-view-badge:active {
  transform: translateY(0) scale(1);
}

/* Employee name pill styling (Detail mode) */
.slot-name-pill {
  transition: all 0.2s ease !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  box-sizing: border-box;
}

.slot-name-pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  z-index: 10;
}

.slot-name-pill:active {
  transform: translateY(0);
}

/* Schedule cell improvements */
.schedule-cell {
  transition: all 0.2s ease;
  padding: 8px 6px;
  width: auto;
  vertical-align: top;
  overflow: visible; /* Allow content to expand */
  height: auto; /* Auto height based on content */
}

.schedule-cell:hover:not(.qa-selected) {
  background: #fafafa;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.slot-cell-inner {
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 28px;
  width: 100%;
  overflow: visible; /* Allow content to expand */
}

.slot-names {
  display: block; /* Changed from flex to block for grid children */
  overflow: visible; /* Allow content to expand */
  width: 100%;
  font-size: 11px;
  color: #555;
  margin-top: 2px;
}

.slot-stats {
  font-weight: 500;
  white-space: nowrap;
  font-size: 11px;
  color: #333;
}

/* Data table improvements */
.data-table {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  width: 100%;
  min-width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.data-table thead th {
  background: linear-gradient(to bottom, #f8f9fa 0%, #f1f3f5 100%);
  font-weight: 600;
  color: #495057;
  border-bottom: 2px solid #dee2e6;
  padding: 10px 8px;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 5;
}

.data-table thead th:first-child {
  position: sticky;
  left: 0;
  z-index: 6;
  background: linear-gradient(to bottom, #f8f9fa 0%, #f1f3f5 100%);
  border-right: 2px solid #dee2e6;
  width: 120px;
  min-width: 120px;
  white-space: nowrap;
}

.data-table tbody th {
  position: sticky;
  left: 0;
  background: #ffffff;
  z-index: 4;
  font-weight: 600;
  padding: 10px 8px;
  border-right: 2px solid #dee2e6;
  white-space: nowrap;
  width: 120px;
  min-width: 120px;
}

/* Day columns should share remaining space equally */
.data-table thead th:not(:first-child),
.data-table tbody td {
  width: auto;
}

.data-table tbody tr:hover {
  background: #f8f9fa;
}

.data-table tbody tr:hover th {
  background: #f0f3f5;
}

/* Table wrapper for horizontal scroll */
.data-table-wrapper,
div[style*="overflow-x:auto"] {
  width: 100%;
  overflow-x: auto;
  overflow-y: visible;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  -webkit-overflow-scrolling: touch;
}

/* Ensure parent flex container allows table to expand */
.content-section > div[style*="display:flex"] > div[style*="flex:1"] {
  min-width: 0;
  flex: 1 1 auto;
}

.data-table-wrapper::-webkit-scrollbar,
div[style*="overflow-x:auto"]::-webkit-scrollbar {
  height: 10px;
}

.data-table-wrapper::-webkit-scrollbar-track,
div[style*="overflow-x:auto"]::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 5px;
}

.data-table-wrapper::-webkit-scrollbar-thumb,
div[style*="overflow-x:auto"]::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 5px;
}

.data-table-wrapper::-webkit-scrollbar-thumb:hover,
div[style*="overflow-x:auto"]::-webkit-scrollbar-thumb:hover {
  background: #999;
}

/* Responsive for Quick Assignment Panel */
@media (max-width: 1200px) {
  #quick-assignment-panel div[style*="grid-template-columns"] {
    grid-template-columns: auto 1fr auto auto !important;
    gap: 10px !important;
  }

  #view-mode-toggle {
    flex-direction: column;
    gap: 4px;
  }

  .view-toggle-btn {
    padding: 6px 12px !important;
    font-size: 12px !important;
  }
}

@media (max-width: 992px) {
  #quick-assignment-panel div[style*="grid-template-columns"] {
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
  }

  #quick-assignment-panel {
    padding: 12px;
  }

  .slot-name-pill {
    font-size: 10px !important;
    padding: 2px 6px !important;
    margin-right: 2px !important;
    margin-bottom: 2px !important;
  }

  .data-table {
    font-size: 11px;
    table-layout: auto;
  }

  .schedule-cell {
    padding: 6px 4px;
  }

  .slot-cell-inner {
    min-height: 35px;
    gap: 3px;
  }

  .slot-names {
    gap: 2px;
  }
}

@media (max-width: 768px) {
  /* Single column layout for Quick Assignment on tablets */
  #quick-assignment-panel div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  #quick-assignment-panel {
    padding: 12px;
  }

  .btn {
    padding: 8px 14px !important;
    font-size: 12px !important;
  }

  .data-table thead th,
  .data-table tbody td {
    padding: 6px 3px;
    font-size: 10px;
  }

  .data-table tbody th {
    padding: 6px 4px;
    font-size: 10px;
  }

  .slot-stats {
    font-size: 9px !important;
  }

  .schedule-cell {
    padding: 5px 3px;
  }

  .data-table {
    table-layout: auto;
  }

  .slot-cell-inner {
    min-height: 30px;
    gap: 2px;
  }

  .slot-name-pill {
    font-size: 9px !important;
    padding: 1px 5px !important;
  }

  .slot-names {
    gap: 2px;
  }
}

@media (max-width: 576px) {
  /* Mobile-optimized Quick Assignment */
  #quick-assignment-panel h3 {
    font-size: 14px;
  }

  #quick-assignment-panel {
    border-radius: 8px;
    padding: 12px;
  }

  #quick-assignment-panel div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }

  #qa-mode-info {
    font-size: 10px;
    padding: 8px;
    margin-bottom: 12px;
  }

  #qa-employee-list {
    max-height: 100px !important;
    font-size: 11px !important;
  }

  .data-table {
    border-radius: 8px;
    overflow: hidden;
    font-size: 9px;
    table-layout: auto;
  }

  .schedule-cell {
    padding: 4px 2px;
  }

  .slot-cell-inner {
    min-height: 28px;
    gap: 2px;
  }

  .slot-stats {
    font-size: 8px !important;
  }

  .slot-name-pill {
    font-size: 8px !important;
    padding: 1px 4px !important;
    margin-right: 1px !important;
    margin-bottom: 1px !important;
  }

  .data-table thead th,
  .data-table tbody td,
  .data-table tbody th {
    padding: 4px 2px;
    font-size: 9px;
  }
}

/* Additional improvements for overall UI */
.schedule-admin-status-bar {
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.schedule-admin-status-bar:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

/* Improve button styling */
.btn-primary {
  background: linear-gradient(135deg, #2196f3 0%, #1976d2 100%);
  border: none;
  color: white;
  box-shadow: 0 2px 4px rgba(33, 150, 243, 0.3);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #1976d2 0%, #1565c0 100%);
  box-shadow: 0 4px 12px rgba(33, 150, 243, 0.4);
}

.btn-secondary {
  background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
  border: 1px solid #ccc;
  color: #333;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #e0e0e0 0%, #d5d5d5 100%);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Page header improvements */
.page-header {
  padding: 24px 0;
  border-bottom: 2px solid #f0f0f0;
  margin-bottom: 24px;
}

.page-header h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 700;
  color: #1a1a1a;
}

.header-subtitle {
  color: #666;
  font-size: 14px;
  margin: 0;
}

/* Content section improvements */
.content-section {
  background: white;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}

.content-section:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.content-section h2 {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid #f0f0f0;
}

/* Loading states and animations */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.loading {
  animation: pulse 1.5s ease-in-out infinite;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Table overflow wrapper */
.data-table-wrapper {
  overflow-x: auto;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

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

.data-table-wrapper::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

.data-table-wrapper::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
}

.data-table-wrapper::-webkit-scrollbar-thumb:hover {
  background: #999;
}


/* ===== Schedule Admin Page UX Improvements ===== */

/* Page Header */
.page-header-content {
  max-width: 800px;
}

.page-header h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.page-header .header-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Schedule Cards */
.schedule-card {
  background: white;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.schedule-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Section Headers */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.section-header h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.section-description {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

/* Filter Controls */
.filter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input,
.form-select {
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: white;
  transition: var(--transition);
  min-width: 180px;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-input:hover,
.form-select:hover {
  border-color: #ccc;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-icon {
  font-size: 16px;
  line-height: 1;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(233, 30, 99, 0.3);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: #f5f5f5;
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: #e0e0e0;
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* Alert Message */
.alert-message {
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 6px;
  margin-top: 8px;
  display: none;
}

.alert-message.show {
  display: block;
}

.alert-message.success {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #c8e6c9;
}

.alert-message.error {
  background: #ffebee;
  color: #c62828;
  border: 1px solid #ffcdd2;
}

/* Status Bar */
.schedule-admin-status-bar {
  background: linear-gradient(135deg, #f8f9fa 0%, #e8eaf0 100%);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  border: 1px solid var(--border-color);
}

.status-info {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.status-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.save-message {
  font-size: 13px;
  color: var(--text-secondary);
}

.status-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* Info Box */
.info-box {
  background: #fff9e6;
  border: 1px solid #ffeaa7;
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 16px;
}

.info-icon {
  font-size: 20px;
  flex-shrink: 0;
  line-height: 1;
}

.info-box p {
  font-size: 13px;
  color: #856404;
  margin: 0;
  line-height: 1.6;
}

/* View Mode Toggle */
.view-mode-toggle {
  display: flex;
  gap: 4px;
  background: #f5f5f5;
  padding: 4px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.view-toggle-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  color: #666;
  transition: var(--transition);
}

.view-toggle-btn.active {
  background: white;
  color: var(--text-primary);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.view-toggle-btn:hover:not(.active) {
  color: var(--text-primary);
}

/* Mode Descriptions */
.mode-descriptions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: #f8f9fa;
  border-radius: 8px;
}

.mode-description {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.mode-bullet {
  color: var(--primary);
  font-weight: 700;
}

/* Quick Assignment Panel */
.quick-assignment-panel {
  background: linear-gradient(135deg, #f8f9fa 0%, #e8eaf0 100%);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
}

.qa-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.qa-icon {
  font-size: 24px;
  line-height: 1;
}

.qa-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.qa-controls {
  display: grid;
  grid-template-columns: 2fr auto auto auto;
  gap: 12px;
  align-items: center;
}

.qa-select {
  min-width: 200px;
}

.qa-counter {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: white;
  border-radius: 8px;
  border: 1px solid #bae6fd;
  white-space: nowrap;
}

.qa-label {
  font-size: 12px;
  color: #0369a1;
  font-weight: 600;
}

.qa-badge {
  background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
  color: white;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  min-width: 24px;
  text-align: center;
}

/* Table Wrapper */
.table-wrapper {
  overflow-x: auto;
  border-radius: 8px;
  margin-top: 16px;
  border: 1px solid var(--border-color);
}

.table-wrapper::-webkit-scrollbar {
  height: 8px;
}

.table-wrapper::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

.table-wrapper::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
}

.table-wrapper::-webkit-scrollbar-thumb:hover {
  background: #999;
}

/* Schedule Table Enhancements */
.schedule-table {
  min-width: 100%;
}

.schedule-table .th-time {
  background: linear-gradient(135deg, #e91e63 0%, #c2185b 100%);
  color: white;
  font-weight: 700;
  width: 120px;
  min-width: 120px;
  white-space: nowrap;
}

.schedule-table .th-day {
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  text-align: center;
  padding: 12px 8px;
}

.schedule-table .th-sunday {
  background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.schedule-table .day-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.schedule-table .day-date {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Status Badge Container */
.status-badge-container {
  margin-bottom: 12px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

/* Responsive Design for Schedule Admin */
@media (max-width: 1024px) {
  .qa-controls {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .qa-select {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .page-header h1 {
    font-size: 24px;
  }

  .schedule-card {
    padding: 16px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .filter-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .form-input,
  .form-select {
    width: 100%;
  }

  .schedule-admin-status-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .status-actions {
    justify-content: stretch;
    flex-direction: column;
  }

  .status-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ===== Schedule Page - Other Availability Display ===== */

.schedule-cell {
  position: relative;
}

.other-availability {
  padding: 4px 6px;
  background: #f8f9fa;
  border-radius: 4px;
  border: 1px solid #e8e8e8;
  font-style: italic;
  max-width: 150px;
  word-wrap: break-word;
  transition: all 0.2s ease;
}

.other-availability:hover {
  background: #e8eaf0;
  border-color: #d0d0d0;
  color: #666;
}

/* Clickable availability cells */
.availability-cell {
  min-height: 60px;
  border: 2px solid #e0e0e0;
  background: #ffffff;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
      position: relative;
  box-sizing: border-box;
}

.availability-cell.clickable-cell {
  cursor: pointer;
}

.availability-cell.clickable-cell:hover {
  border-color: #2196F3;
}

.availability-cell.clickable-cell:active {
  border-color: #1976D2;
}

.availability-cell.disabled-cell {
  cursor: not-allowed;
  background: #f5f5f5;
  opacity: 0.6;
}

/* Selected state */
.availability-cell[style*="background-color: rgb(76, 175, 80)"],
.availability-cell[style*="backgroundColor: rgb(76, 175, 80)"] {
  background-color: #4CAF50 !important;
  border-color: #388E3C !important;
}

.check-icon {
  font-size: 28px;
  font-weight: bold;
  color: #ffffff;
    margin: 0;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.other-availability {
  font-size: 10px;
  color: #666;
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 4px;
  border-radius: 3px;
  display: inline-block;
  margin-top: 4px;
}

/* ===== MOBILE OPTIMIZATION ===== */
@media (max-width: 768px) {
  .availability-cell {
    min-height: 50px;
    padding: 10px 6px !important;
  }

  .check-icon {
    font-size: 24px;
  }

  .other-availability {
    font-size: 9px;
  }

  /* ===== Enhanced Mobile Styles for Schedule Pages ===== */

  /* Page header */
  .page-header h1 {
    font-size: 24px !important;
  }

  .header-subtitle {
    font-size: 13px !important;
  }

  /* Section header */
  .section-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
  }

  .section-title-group h2 {
    font-size: 18px !important;
  }

  /* View Mode Toggle (Tabs) */
  .view-mode-toggle {
    width: 100% !important;
    display: flex !important;
    gap: 6px !important;
  }

  .view-toggle-btn {
    flex: 1 !important;
    font-size: 13px !important;
    padding: 10px 8px !important;
    min-height: 44px !important; /* iOS recommended touch target */
  }

  .view-toggle-btn .btn-icon {
    font-size: 16px !important;
  }

  /* Filter controls - stack vertically */
  .filter-controls {
    flex-direction: column !important;
    gap: 12px !important;
  }

  .form-group {
    width: 100% !important;
    margin: 0 !important;
  }

  .form-input,
  .form-select,
  .btn {
    width: 100% !important;
    min-height: 44px !important;
    font-size: 14px !important;
  }

  /* Table wrapper - horizontal scroll */
  .table-wrapper {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    margin: 0 -16px !important; /* Extend to edges */
    padding: 0 16px !important;
  }

  .schedule-table {
    min-width: 600px !important; /* Force horizontal scroll for better readability */
  }

  .schedule-table th,
  .schedule-table td {
    font-size: 11px !important;
    padding: 6px 4px !important;
  }

  .schedule-table .th-time {
    position: sticky !important;
    left: 0 !important;
    background: white !important;
    z-index: 2 !important;
    box-shadow: 2px 0 4px rgba(0,0,0,0.1) !important;
  }

  /* Badges/Pills - larger touch targets */
  .quick-view-badge,
  .slot-name-pill {
    font-size: 10px !important;
    padding: 4px 8px !important;
    min-height: 28px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  /* Quick Assignment Panel */
  .quick-assignment-panel {
    padding: 12px !important;
  }

  .qa-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 6px !important;
  }

  .qa-title {
    font-size: 14px !important;
  }

  .qa-controls {
    flex-direction: column !important;
    gap: 10px !important;
  }

  .qa-select,
  .qa-counter {
    width: 100% !important;
  }

  .qa-counter {
    justify-content: center !important;
    padding: 8px !important;
    background: #f5f5f5 !important;
    border-radius: 6px !important;
  }

  #qa-assign-btn,
  #qa-clear-selection-btn {
    width: 100% !important;
    min-height: 44px !important;
  }

  /* Status bar */
  .schedule-admin-status-bar {
    flex-direction: column !important;
    gap: 12px !important;
    align-items: stretch !important;
  }

  .status-info {
    flex-direction: column !important;
    gap: 6px !important;
  }

  .status-actions {
    flex-direction: column !important;
    gap: 8px !important;
  }

  .status-actions button {
    width: 100% !important;
    min-height: 44px !important;
  }

  /* Info box */
  .info-box {
    font-size: 13px !important;
    padding: 12px !important;
  }

  .info-box p {
    font-size: 13px !important;
  }

  /* Mode descriptions */
  .mode-descriptions {
    font-size: 12px !important;
  }

  .mode-description {
    padding: 6px 0 !important;
  }

  /* Schedule actions */
  .schedule-actions {
    flex-direction: column !important;
    gap: 10px !important;
  }

  .schedule-actions button {
    width: 100% !important;
    min-height: 48px !important;
    font-size: 15px !important;
  }

  /* Alert messages */
  .alert-message {
    font-size: 13px !important;
    padding: 10px !important;
  }

  /* Status badges */
  .status-badge {
    font-size: 12px !important;
    padding: 6px 12px !important;
  }

  /* Empty state */
  .empty-state {
    padding: 30px 20px !important;
  }

  .empty-icon {
    font-size: 36px !important;
  }

  /* Day names in table header */
  .day-name {
    font-size: 10px !important;
  }

  .day-date {
    font-size: 9px !important;
  }
}

/* Extra small devices (phones < 576px) */
@media (max-width: 576px) {
  .page-header h1 {
    font-size: 20px !important;
  }

  .header-subtitle {
    font-size: 12px !important;
  }

  .section-title-group h2 {
    font-size: 16px !important;
  }

  .view-toggle-btn {
    font-size: 12px !important;
    padding: 8px 6px !important;
  }

  .schedule-table {
    min-width: 500px !important;
  }

  .schedule-table th,
  .schedule-table td {
    font-size: 10px !important;
    padding: 4px 2px !important;
  }

  .quick-view-badge,
  .slot-name-pill {
    font-size: 9px !important;
    padding: 3px 6px !important;
    min-height: 24px !important;
  }

  .info-box,
  .mode-description {
    font-size: 11px !important;
  }
}

/* ===== PHASE 1: ADMIN MOBILE ENHANCEMENTS ===== */
@media (max-width: 768px) {
  /* Larger badges for better touch targeting on admin page */
  body:has(#schedule-admin-body) .quick-view-badge,
  body:has(#schedule-admin-body) .slot-name-pill {
    font-size: 12px !important;
    padding: 6px 10px !important;
    min-height: 36px !important;
    min-width: 60px !important;
    font-weight: 600 !important;
    letter-spacing: 0.3px !important;
  }

  /* Better cell highlighting for selected cells */
  body:has(#schedule-admin-body) .schedule-cell.qa-selected {
    border: 3px solid #2196F3 !important;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.08) 0%, rgba(33, 150, 243, 0.12) 100%) !important;
    box-shadow: inset 0 0 0 2px rgba(33, 150, 243, 0.2), 0 2px 8px rgba(33, 150, 243, 0.25) !important;
  }

  /* Touch feedback for clickable cells */
  body:has(#schedule-admin-body) .schedule-cell:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15) !important;
  }

  /* Badge touch feedback */
  body:has(#schedule-admin-body) .quick-view-badge:active,
  body:has(#schedule-admin-body) .slot-name-pill:active {
    transform: scale(0.96);
    transition: transform 0.1s ease;
  }

  /* Hide counter in modal (we have FAB badge now) */
  body:has(#schedule-admin-body) .qa-counter {
    display: none !important;
  }

  /* Quick Assignment Panel - Convert to Bottom Sheet Modal */
  body:has(#schedule-admin-body) .quick-assignment-panel {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    z-index: 1000 !important;
    background: white !important;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25) !important;
    margin: 0 !important;
    padding: 20px 16px 32px 16px !important;
    border-radius: 16px 16px 0 0 !important;
    transform: translateY(100%) !important;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    max-height: 80vh !important;
    overflow-y: auto !important;
  }

  body:has(#schedule-admin-body) .quick-assignment-panel.qa-modal-open {
    transform: translateY(0) !important;
  }

  /* Bottom Sheet Modal Handle */
  body:has(#schedule-admin-body) .qa-header::before {
    content: '' !important;
    display: block !important;
    width: 40px !important;
    height: 4px !important;
    background: #d0d0d0 !important;
    border-radius: 2px !important;
    margin: -8px auto 12px !important;
  }

  /* Modal Backdrop */
  body:has(#schedule-admin-body) .qa-modal-backdrop {
    display: none !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: rgba(0, 0, 0, 0.5) !important;
    z-index: 999 !important;
    opacity: 0 !important;
    transition: opacity 0.3s ease !important;
  }

  body:has(#schedule-admin-body) .qa-modal-backdrop.qa-modal-open {
    display: block !important;
    opacity: 1 !important;
  }

  /* Floating Action Button (FAB) */
  body:has(#schedule-admin-body) .qa-fab {
    position: fixed !important;
    bottom: 90px !important;
    right: 20px !important;
    width: 64px !important;
    height: 64px !important;
    border-radius: 50% !important;
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%) !important;
    color: white !important;
    border: none !important;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4), 0 2px 4px rgba(0, 0, 0, 0.15) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 28px !important;
    cursor: pointer !important;
    z-index: 998 !important;
    transition: all 0.2s ease !important;
  }

  body:has(#schedule-admin-body) .qa-fab:active {
    transform: scale(0.95) !important;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3) !important;
  }

  body:has(#schedule-admin-body) .qa-fab .qa-fab-badge {
    position: absolute !important;
    top: -4px !important;
    right: -4px !important;
    background: #ef4444 !important;
    color: white !important;
    border-radius: 50% !important;
    width: 24px !important;
    height: 24px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2) !important;
  }

  /* Quick Assignment controls - stack vertically with larger buttons */
  body:has(#schedule-admin-body) .qa-controls {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    grid-template-columns: none !important;
  }

  body:has(#schedule-admin-body) #qa-employee-select {
    min-height: 48px !important;
    font-size: 15px !important;
  }

  body:has(#schedule-admin-body) #qa-assign-btn,
  body:has(#schedule-admin-body) #qa-clear-selection-btn {
    min-height: 48px !important;
    font-size: 15px !important;
    font-weight: 600 !important;
  }

  /* Better spacing for table cells */
  body:has(#schedule-admin-body) .schedule-table td {
    padding: 8px 6px !important;
  }

  /* Wrap badges in cells for better layout */
  body:has(#schedule-admin-body) .schedule-cell {
    min-height: 60px !important;
    padding: 8px 4px !important;
  }

  body:has(#schedule-admin-body) .slot-names {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 4px !important;
    align-items: center !important;
    justify-content: center !important;
  }

  /* ===== PHASE 3: ADDITIONAL MOBILE ENHANCEMENTS ===== */

  /* Scroll indicator shadow for table */
  body:has(#schedule-admin-body) .table-wrapper {
    position: relative !important;
    box-shadow: inset 8px 0 8px -8px rgba(0, 0, 0, 0.15) !important;
  }

  body:has(#schedule-admin-body) .table-wrapper::after {
    content: '👉 Scroll →' !important;
    position: absolute !important;
    right: 0 !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.95) 20%, rgba(255, 255, 255, 0.95) 100%) !important;
    padding: 8px 16px 8px 32px !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    color: #0284c7 !important;
    pointer-events: none !important;
    z-index: 5 !important;
    opacity: 1 !important;
    transition: opacity 0.3s ease !important;
  }

  body:has(#schedule-admin-body) .table-wrapper.scrolled::after {
    opacity: 0 !important;
  }

  /* Improved table header visibility */
  body:has(#schedule-admin-body) .schedule-table thead {
    position: sticky !important;
    top: 0 !important;
    z-index: 10 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
  }

  body:has(#schedule-admin-body) .schedule-table .th-time {
    position: sticky !important;
    left: 0 !important;
    z-index: 11 !important;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1) !important;
  }

  /* Better tap targets for modal header */
  body:has(#schedule-admin-body) .qa-header {
    padding-top: 12px !important;
    cursor: pointer !important;
    user-select: none !important;
    -webkit-tap-highlight-color: transparent !important;
  }

  body:has(#schedule-admin-body) .qa-header:active {
    opacity: 0.8 !important;
  }

  /* Quick Assignment title with close hint */
  body:has(#schedule-admin-body) .qa-title::after {
    content: '(tap để đóng)' !important;
    font-size: 11px !important;
    font-weight: 400 !important;
    color: #999 !important;
    margin-left: 8px !important;
  }

  /* Improve employee select dropdown on mobile */
  body:has(#schedule-admin-body) #qa-employee-select {
    appearance: none !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%230284c7' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important;
    padding-right: 40px !important;
  }

  /* Status bar improvements */
  body:has(#schedule-admin-body) .schedule-admin-status-bar {
    position: sticky !important;
    top: 0 !important;
    z-index: 50 !important;
    background: white !important;
    margin: -16px -16px 16px -16px !important;
    padding: 12px 16px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
  }

  /* Filter controls sticky on mobile */
  body:has(#schedule-admin-body) .filter-controls {
    position: sticky !important;
    top: 60px !important;
    z-index: 45 !important;
    background: white !important;
    margin: -16px -16px 16px -16px !important;
    padding: 12px 16px !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05) !important;
  }

  /* Better spacing for section header */
  body:has(#schedule-admin-body) .section-header {
    margin-bottom: 16px !important;
    padding-bottom: 12px !important;
    border-bottom: 2px solid #f0f0f0 !important;
  }

  /* Hide mode descriptions on very small screens */
  body:has(#schedule-admin-body) .mode-descriptions {
    display: none !important;
  }

  /* Info box more compact */
  body:has(#schedule-admin-body) .info-box {
    margin-top: 12px !important;
    margin-bottom: 12px !important;
  }

  /* Better visual separation for days */
  body:has(#schedule-admin-body) .schedule-table td {
    border-right: 2px solid #f0f0f0 !important;
  }

  body:has(#schedule-admin-body) .schedule-table td:last-child {
    border-right: 1px solid var(--border-color) !important;
  }

  /* Sunday column highlight */
  body:has(#schedule-admin-body) .schedule-table tr td:last-child {
    background: rgba(255, 243, 224, 0.3) !important;
  }

  /* ===== MOBILE MENU (HAMBURGER) ===== */

  /* Add padding to main content to avoid overlap with hamburger button */
  .main-content {
    padding-top: 80px !important;
  }

  /* Hamburger button */
  .mobile-menu-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1001;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #e91e63 0%, #c2185b 100%);
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(233, 30, 99, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .mobile-menu-btn:active {
    transform: scale(0.95);
    box-shadow: 0 2px 8px rgba(233, 30, 99, 0.3);
  }

  .mobile-menu-btn .hamburger {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 20px;
  }

  .mobile-menu-btn .hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
  }

  /* Hamburger animation when menu is open */
  .mobile-menu-btn.active .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-btn.active .hamburger span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.active .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  /* Sidebar mobile styles */
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
  }

  .sidebar.mobile-menu-open {
    transform: translateX(0);
  }

  /* Menu backdrop */
  .mobile-menu-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .mobile-menu-backdrop.active {
    display: block;
    opacity: 1;
  }

  /* ===== PHASE 1: SCHEDULE PAGE MOBILE OPTIMIZATION ===== */

  /* Add padding to main content for hamburger menu */
  body:has(#availability-body) .main-content {
    padding-top: 80px !important;
  }

  /* View Mode Toggle (Tabs) - Touch-friendly */
  body:has(#availability-body) .view-mode-toggle {
    width: 100% !important;
    display: flex !important;
    gap: 8px !important;
    margin-bottom: 16px !important;
  }

  body:has(#availability-body) .view-toggle-btn {
    flex: 1 !important;
    font-size: 14px !important;
    padding: 12px 8px !important;
    min-height: 48px !important; /* iOS touch target */
    font-weight: 600 !important;
  }

  body:has(#availability-body) .view-toggle-btn .btn-icon {
    font-size: 18px !important;
  }

  /* Filter controls - Stack vertically */
  body:has(#availability-body) .filter-controls {
    flex-direction: column !important;
    gap: 12px !important;
  }

  body:has(#availability-body) .form-group {
    width: 100% !important;
    margin: 0 !important;
  }

  /* Form inputs - Touch-friendly size */
  body:has(#availability-body) .form-input,
  body:has(#availability-body) .form-select,
  body:has(#availability-body) .btn {
    width: 100% !important;
    min-height: 48px !important;
    font-size: 15px !important;
  }

  /* Sticky section header with tabs */
  body:has(#availability-body) .section-header {
    position: sticky !important;
    top: 0 !important;
    z-index: 50 !important;
    background: white !important;
    margin: -32px -40px 20px -40px !important;
    padding: 16px 40px 12px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
  }

  /* Table wrapper - Better horizontal scroll */
  body:has(#availability-body) .table-wrapper {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    margin: 0 -40px !important;
    padding: 0 40px !important;
  }

  /* Schedule table - Minimum width for readability */
  body:has(#availability-body) .schedule-table {
    min-width: 700px !important;
  }

  /* Table cells - Better spacing */
  body:has(#availability-body) .schedule-table th,
  body:has(#availability-body) .schedule-table td {
    padding: 10px 8px !important;
    font-size: 13px !important;
  }

  /* First column sticky */
  body:has(#availability-body) .schedule-table th:first-child,
  body:has(#availability-body) .schedule-table td:first-child {
    position: sticky !important;
    left: 0 !important;
    background: white !important;
    z-index: 10 !important;
    box-shadow: 2px 0 4px rgba(0, 0, 0, 0.1) !important;
  }

  /* Availability cells - Larger touch targets */
  body:has(#availability-body) .availability-cell {
    min-height: 50px !important;
    padding: 12px 8px !important;
  }

  body:has(#availability-body) .availability-cell.clickable-cell {
    cursor: pointer !important;
  }

  /* Other availability text - Readable on mobile */
  body:has(#availability-body) .other-availability {
    font-size: 11px !important;
    padding: 4px 6px !important;
  }

  /* Action buttons - Full width and touch-friendly */
  body:has(#availability-body) .schedule-actions {
    flex-direction: column !important;
    gap: 12px !important;
  }

  body:has(#availability-body) .schedule-actions button {
    width: 100% !important;
    min-height: 52px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
  }

  /* Alert messages - Better visibility */
  body:has(#availability-body) .alert-message {
    font-size: 14px !important;
    padding: 12px 16px !important;
    margin-bottom: 16px !important;
  }

  /* Team filter buttons - Touch-friendly */
  body:has(#availability-body) .filter-buttons {
    display: flex !important;
    gap: 8px !important;
  }

  body:has(#availability-body) .filter-buttons .btn {
    flex: 1 !important;
    min-height: 44px !important;
    font-size: 13px !important;
    padding: 10px 8px !important;
  }

  /* Status badge - Better visibility */
  body:has(#availability-body) .status-badge {
    font-size: 13px !important;
    padding: 8px 14px !important;
  }

  /* Card padding - More compact on mobile */
  body:has(#availability-body) .schedule-card {
    padding: 16px !important;
  }

  /* Section spacing */
  body:has(#availability-body) .content-section {
    margin-bottom: 24px !important;
  }

  /* ===== PHASE 2: ADVANCED UX & VISUAL POLISH ===== */

  /* Scroll Indicator - Show horizontal scrolling is available */
  body:has(#availability-body) .table-wrapper {
    position: relative !important;
  }

  body:has(#availability-body) .table-wrapper::after {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 40px !important;
    background: linear-gradient(to left, rgba(255, 255, 255, 0.9) 0%, transparent 100%) !important;
    pointer-events: none !important;
    z-index: 5 !important;
    opacity: 1 !important;
    transition: opacity 0.3s ease !important;
  }

  /* Touch Feedback - Active states for interactive elements */
  body:has(#availability-body) .view-toggle-btn {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative !important;
    overflow: hidden !important;
  }

  body:has(#availability-body) .view-toggle-btn:active {
    transform: scale(0.96) !important;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.15) !important;
  }

  body:has(#availability-body) .view-toggle-btn.active {
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3) !important;
  }

  /* Availability cell touch feedback */
  body:has(#availability-body) .availability-cell.clickable-cell {
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative !important;
  }

  body:has(#availability-body) .availability-cell.clickable-cell:active {
    transform: scale(0.95) !important;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.1) !important;
  }

  /* Enhanced checked state with animation */
  body:has(#availability-body) .availability-cell.clickable-cell[style*="background-color: rgb(76, 175, 80)"],
  body:has(#availability-body) .availability-cell.clickable-cell[style*="backgroundColor"][style*="4CAF50"] {
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3) !important;
    animation: cellCheckPulse 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  }

  @keyframes cellCheckPulse {
    0% {
      transform: scale(1);
    }
    50% {
      transform: scale(1.05);
    }
    100% {
      transform: scale(1);
    }
  }

  /* Button touch feedback */
  body:has(#availability-body) .btn {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
  }

  body:has(#availability-body) .btn:active {
    transform: scale(0.97) !important;
  }

  body:has(#availability-body) .btn-primary:active {
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2) !important;
  }

  /* Enhanced Visual Hierarchy */

  /* Section header - More prominent */
  body:has(#availability-body) .section-header {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.12) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06) !important;
  }

  /* Cards - Better depth */
  body:has(#availability-body) .schedule-card {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.12) !important;
    border: 1px solid rgba(0, 0, 0, 0.06) !important;
    border-radius: 12px !important;
  }

  /* Table - Better contrast */
  body:has(#availability-body) .schedule-table {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08) !important;
    border-radius: 8px !important;
    overflow: hidden !important;
  }

  /* Table header - More prominent */
  body:has(#availability-body) .schedule-table thead {
    background: linear-gradient(to bottom, #f8f9fa 0%, #f1f3f5 100%) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
  }

  body:has(#availability-body) .schedule-table th {
    font-weight: 700 !important;
    color: #343a40 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.3px !important;
    font-size: 12px !important;
  }

  /* Sticky first column - Enhanced shadow */
  body:has(#availability-body) .schedule-table th:first-child,
  body:has(#availability-body) .schedule-table td:first-child {
    box-shadow: 3px 0 8px rgba(0, 0, 0, 0.12) !important;
    background: linear-gradient(to right, #ffffff 0%, #fafafa 100%) !important;
  }

  /* Row hover effect (for desktop) */
  @media (hover: hover) {
    body:has(#availability-body) .schedule-table tbody tr:hover {
      background-color: rgba(0, 123, 255, 0.03) !important;
      transition: background-color 0.15s ease !important;
    }
  }

  /* Loading State Styles */
  body:has(#availability-body) .btn:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    position: relative !important;
  }

  /* Alert messages - Enhanced visibility */
  body:has(#availability-body) .alert-message {
    border-radius: 8px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    border-left: 4px solid !important;
  }

  body:has(#availability-body) .alert-success {
    border-left-color: #28a745 !important;
    background: linear-gradient(to right, #d4edda 0%, #e8f5e9 100%) !important;
  }

  body:has(#availability-body) .alert-error {
    border-left-color: #dc3545 !important;
    background: linear-gradient(to right, #f8d7da 0%, #ffebee 100%) !important;
  }

  body:has(#availability-body) .alert-info {
    border-left-color: #17a2b8 !important;
    background: linear-gradient(to right, #d1ecf1 0%, #e1f5fe 100%) !important;
  }

  /* Smooth Scroll Behavior */
  body:has(#availability-body) .table-wrapper {
    scroll-behavior: smooth !important;
  }

  /* Better focus states for accessibility */
  body:has(#availability-body) .view-toggle-btn:focus,
  body:has(#availability-body) .btn:focus,
  body:has(#availability-body) .form-input:focus,
  body:has(#availability-body) .form-select:focus {
    outline: 3px solid rgba(0, 123, 255, 0.4) !important;
    outline-offset: 2px !important;
  }

  /* Availability cell focus state */
  body:has(#availability-body) .availability-cell.clickable-cell:focus {
    outline: 2px solid rgba(0, 123, 255, 0.5) !important;
    outline-offset: 1px !important;
    z-index: 2 !important;
  }

  /* Status badge - Enhanced with gradient */
  body:has(#availability-body) .status-badge {
    border-radius: 20px !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15) !important;
    font-weight: 600 !important;
  }

  /* Other availability badges - Better contrast */
  body:has(#availability-body) .other-availability {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%) !important;
    border: 1px solid rgba(33, 150, 243, 0.3) !important;
    border-radius: 4px !important;
    font-weight: 600 !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
  }

  /* Week input - Enhanced styling */
  body:has(#availability-body) .form-input[type="date"],
  body:has(#availability-body) .form-input[type="week"] {
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%) !important;
    border: 2px solid #dee2e6 !important;
    border-radius: 8px !important;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05) !important;
  }

  body:has(#availability-body) .form-input[type="date"]:focus,
  body:has(#availability-body) .form-input[type="week"]:focus {
    border-color: #007bff !important;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05), 0 0 0 3px rgba(0, 123, 255, 0.1) !important;
  }

  /* Action buttons - Enhanced gradients */
  body:has(#availability-body) .btn-primary {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%) !important;
    border: none !important;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3) !important;
    font-weight: 700 !important;
  }

  body:has(#availability-body) .btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #545b62 100%) !important;
    border: none !important;
    box-shadow: 0 4px 12px rgba(108, 117, 125, 0.3) !important;
    font-weight: 700 !important;
  }

  /* Ripple effect container */
  body:has(#availability-body) .view-toggle-btn::before {
    content: '' !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    width: 0 !important;
    height: 0 !important;
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.5) !important;
    transform: translate(-50%, -50%) !important;
    transition: width 0.6s ease, height 0.6s ease !important;
  }

  body:has(#availability-body) .view-toggle-btn:active::before {
    width: 300px !important;
    height: 300px !important;
  }

  /* Empty state styling (when no data) */
  body:has(#availability-body) .schedule-table tbody:empty::after {
    content: 'Không có dữ liệu' !important;
    display: block !important;
    text-align: center !important;
    padding: 40px !important;
    color: #6c757d !important;
    font-style: italic !important;
  }

  /* Improved spacing for better rhythm */
  body:has(#availability-body) .view-mode-toggle {
    margin-bottom: 20px !important;
  }

  body:has(#availability-body) .filter-controls {
    margin-bottom: 20px !important;
  }

  body:has(#availability-body) .schedule-actions {
    margin-top: 24px !important;
  }

  /* ===== PHASE 3: MICRO-ANIMATIONS, PERFORMANCE & EDGE CASES ===== */

  /* Page Load Animation - Stagger fade-in */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  body:has(#availability-body) .section-header {
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0s both !important;
  }

  body:has(#availability-body) .filter-controls {
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both !important;
  }

  body:has(#availability-body) .schedule-table {
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both !important;
  }

  body:has(#availability-body) .schedule-actions {
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both !important;
  }

  /* Loading State - Skeleton Screen */
  @keyframes shimmer {
    0% {
      background-position: -1000px 0;
    }
    100% {
      background-position: 1000px 0;
    }
  }

  body:has(#availability-body) .schedule-table.loading tbody::before {
    content: '' !important;
    display: block !important;
    height: 300px !important;
    background: linear-gradient(
      to right,
      #f6f7f8 0%,
      #edeef1 20%,
      #f6f7f8 40%,
      #f6f7f8 100%
    ) !important;
    background-size: 1000px 100% !important;
    animation: shimmer 2s linear infinite !important;
    border-radius: 8px !important;
  }

  /* Button Loading State */
  @keyframes spin {
    from {
      transform: rotate(0deg);
    }
    to {
      transform: rotate(360deg);
    }
  }

  body:has(#availability-body) .btn.loading {
    position: relative !important;
    color: transparent !important;
    pointer-events: none !important;
  }

  body:has(#availability-body) .btn.loading::after {
    content: '' !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    width: 20px !important;
    height: 20px !important;
    margin: -10px 0 0 -10px !important;
    border: 3px solid rgba(255, 255, 255, 0.3) !important;
    border-top-color: #fff !important;
    border-radius: 50% !important;
    animation: spin 0.6s linear infinite !important;
  }

  /* Performance Optimizations */
  body:has(#availability-body) .view-toggle-btn,
  body:has(#availability-body) .btn,
  body:has(#availability-body) .availability-cell.clickable-cell {
    will-change: transform !important;
    contain: layout style !important;
  }

  body:has(#availability-body) .table-wrapper::after {
    will-change: opacity !important;
  }

  /* Reduce motion for users who prefer it */
  @media (prefers-reduced-motion: reduce) {
    body:has(#availability-body) * {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }

  /* Edge Case: Very Small Screens (320px - 380px) */
  @media (max-width: 380px) {
    /* Even more compact spacing */
    body:has(#availability-body) .main-content {
      padding: 12px !important;
    }

    body:has(#availability-body) .section-header {
      margin: -12px -12px 12px -12px !important;
      padding: 12px !important;
    }

    /* Smaller fonts for tiny screens */
    body:has(#availability-body) .view-toggle-btn {
      font-size: 12px !important;
      padding: 10px 6px !important;
    }

    body:has(#availability-body) .view-toggle-btn .btn-icon {
      font-size: 16px !important;
    }

    /* Smaller form inputs */
    body:has(#availability-body) .form-input,
    body:has(#availability-body) .form-select {
      font-size: 14px !important;
      padding: 10px !important;
    }

    /* Compact table cells */
    body:has(#availability-body) .schedule-table th,
    body:has(#availability-body) .schedule-table td {
      padding: 8px 4px !important;
      font-size: 11px !important;
    }

    body:has(#availability-body) .availability-cell {
      min-height: 44px !important;
      padding: 10px 6px !important;
    }

    /* Smaller badges */
    body:has(#availability-body) .other-availability {
      font-size: 10px !important;
      padding: 3px 5px !important;
    }

    /* Compact action buttons */
    body:has(#availability-body) .schedule-actions button {
      min-height: 48px !important;
      font-size: 14px !important;
    }

    /* Reduce shadows for performance */
    body:has(#availability-body) .section-header,
    body:has(#availability-body) .schedule-card {
      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1) !important;
    }

    /* Narrower scroll indicator */
    body:has(#availability-body) .table-wrapper::after {
      width: 24px !important;
    }
  }

  /* Edge Case: Landscape Mode on Mobile */
  @media (max-width: 768px) and (orientation: landscape) {
    /* Reduce vertical padding in landscape */
    body:has(#availability-body) .main-content {
      padding-top: 60px !important;
    }

    body:has(#availability-body) .section-header {
      padding: 10px 40px 8px !important;
    }

    /* Smaller vertical spacing */
    body:has(#availability-body) .view-mode-toggle {
      margin-bottom: 12px !important;
    }

    body:has(#availability-body) .filter-controls {
      margin-bottom: 12px !important;
      gap: 8px !important;
    }

    /* Compact cells for more content visibility */
    body:has(#availability-body) .availability-cell {
      min-height: 40px !important;
      padding: 8px 6px !important;
    }

    body:has(#availability-body) .schedule-actions {
      margin-top: 16px !important;
    }

    /* Smaller buttons */
    body:has(#availability-body) .view-toggle-btn,
    body:has(#availability-body) .schedule-actions button {
      min-height: 40px !important;
      padding: 8px 12px !important;
    }
  }

  /* Enhanced Error States */
  body:has(#availability-body) .availability-cell.error {
    background: linear-gradient(135deg, #fff5f5 0%, #fee 100%) !important;
    border: 2px solid #dc3545 !important;
    animation: errorShake 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
  }

  @keyframes errorShake {
    0%, 100% {
      transform: translateX(0);
    }
    25% {
      transform: translateX(-8px);
    }
    75% {
      transform: translateX(8px);
    }
  }

  /* Success State for Cells */
  body:has(#availability-body) .availability-cell.success {
    animation: successPulse 0.5s cubic-bezier(0.4, 0, 0.2, 1) !important;
  }

  @keyframes successPulse {
    0% {
      box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7);
    }
    50% {
      box-shadow: 0 0 0 10px rgba(40, 167, 69, 0);
    }
    100% {
      box-shadow: 0 0 0 0 rgba(40, 167, 69, 0);
    }
  }

  /* Enhanced Empty State */
  body:has(#availability-body) .schedule-table tbody:empty {
    position: relative !important;
    min-height: 200px !important;
    display: block !important;
  }

  body:has(#availability-body) .schedule-table tbody:empty::after {
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    width: 100% !important;
    text-align: center !important;
    font-size: 14px !important;
    padding: 0 !important;
  }

  body:has(#availability-body) .schedule-table tbody:empty::before {
    content: '📅' !important;
    position: absolute !important;
    top: calc(50% - 50px) !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    font-size: 48px !important;
    opacity: 0.3 !important;
  }

  /* Smooth Page Transitions */
  body:has(#availability-body) .content-section {
    transition: opacity 0.3s ease !important;
  }

  /* Optimized Repaint Performance */
  body:has(#availability-body) .schedule-table {
    transform: translateZ(0) !important; /* Force GPU acceleration */
    backface-visibility: hidden !important;
  }

  /* Better Text Rendering */
  body:has(#availability-body) {
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
    text-rendering: optimizeLegibility !important;
  }

  /* Prevent Text Selection During Interactions */
  body:has(#availability-body) .view-toggle-btn,
  body:has(#availability-body) .availability-cell.clickable-cell {
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
    -webkit-tap-highlight-color: transparent !important;
  }

  /* iOS Safari Specific Fixes */
  @supports (-webkit-touch-callout: none) {
    /* Fix for iOS Safari sticky positioning */
    body:has(#availability-body) .section-header {
      position: -webkit-sticky !important;
      position: sticky !important;
    }

    body:has(#availability-body) .schedule-table th:first-child,
    body:has(#availability-body) .schedule-table td:first-child {
      position: -webkit-sticky !important;
      position: sticky !important;
    }

    /* Better scrolling on iOS */
    body:has(#availability-body) .table-wrapper {
      -webkit-overflow-scrolling: touch !important;
    }

    /* Fix iOS input zoom */
    body:has(#availability-body) .form-input,
    body:has(#availability-body) .form-select {
      font-size: 16px !important; /* Prevents iOS zoom on focus */
    }
  }

  /* High Contrast Mode Support */
  @media (prefers-contrast: high) {
    body:has(#availability-body) .view-toggle-btn.active {
      border: 3px solid #007bff !important;
    }

    body:has(#availability-body) .availability-cell.clickable-cell[style*="background-color: rgb(76, 175, 80)"] {
      border: 2px solid #2e7d32 !important;
    }

    body:has(#availability-body) .btn-primary {
      border: 2px solid #0056b3 !important;
    }
  }

  /* Print Styles */
  @media print {
    body:has(#availability-body) .main-content {
      padding-top: 0 !important;
    }

    body:has(#availability-body) .section-header {
      position: static !important;
      box-shadow: none !important;
    }

    body:has(#availability-body) .schedule-actions,
    body:has(#availability-body) .filter-controls {
      display: none !important;
    }

    body:has(#availability-body) .schedule-table {
      box-shadow: none !important;
      border: 1px solid #000 !important;
    }

    body:has(#availability-body) .table-wrapper::after {
      display: none !important;
    }
  }

  /* Accessibility: Focus Visible (Modern Browsers) */
  body:has(#availability-body) .view-toggle-btn:focus-visible,
  body:has(#availability-body) .btn:focus-visible,
  body:has(#availability-body) .form-input:focus-visible,
  body:has(#availability-body) .availability-cell.clickable-cell:focus-visible {
    outline: 3px solid #007bff !important;
    outline-offset: 2px !important;
  }

  /* Remove outline for mouse users (only keep for keyboard) */
  body:has(#availability-body) .view-toggle-btn:focus:not(:focus-visible),
  body:has(#availability-body) .btn:focus:not(:focus-visible),
  body:has(#availability-body) .availability-cell.clickable-cell:focus:not(:focus-visible) {
    outline: none !important;
  }

  /* Tooltip Support (for future enhancement) */
  body:has(#availability-body) [data-tooltip] {
    position: relative !important;
  }

  body:has(#availability-body) [data-tooltip]::after {
    content: attr(data-tooltip) !important;
    position: absolute !important;
    bottom: calc(100% + 8px) !important;
    left: 50% !important;
    transform: translateX(-50%) scale(0) !important;
    background: rgba(0, 0, 0, 0.9) !important;
    color: white !important;
    padding: 6px 12px !important;
    border-radius: 6px !important;
    font-size: 12px !important;
    white-space: nowrap !important;
    pointer-events: none !important;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
    z-index: 1000 !important;
  }

  body:has(#availability-body) [data-tooltip]:hover::after {
    transform: translateX(-50%) scale(1) !important;
  }

  /* Network Error State */
  body:has(#availability-body) .network-error {
    position: fixed !important;
    bottom: 24px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    background: #dc3545 !important;
    color: white !important;
    padding: 12px 24px !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 16px rgba(220, 53, 69, 0.4) !important;
    font-weight: 600 !important;
    z-index: 2000 !important;
    animation: slideInUp 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  }

  @keyframes slideInUp {
    from {
      transform: translateX(-50%) translateY(100px);
      opacity: 0;
    }
    to {
      transform: translateX(-50%) translateY(0);
      opacity: 1;
    }
  }

  /* Offline Indicator */
  body:has(#availability-body).offline::before {
    content: 'Không có kết nối mạng' !important;
    position: fixed !important;
    top: 80px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    background: #ff9800 !important;
    color: white !important;
    padding: 8px 16px !important;
    border-radius: 20px !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    z-index: 1001 !important;
    box-shadow: 0 2px 8px rgba(255, 152, 0, 0.4) !important;
  }
}