/* ============================================
   layout.css
   Structural layout: sidebar, main content,
   top bar, grids, and all responsive breakpoints
   ============================================ */

/* === App Container === */
.app-container {
  display: none;
  min-height: 100vh;
}
.app-container.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

/* === Sidebar === */
.sidebar {
  width: 280px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s ease;
}
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}
.sidebar-overlay.active {
  display: block;
}
.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.sidebar-brand {
  display: flex;
  align-items: center;
  justify-content: center;
}
.sidebar-logo {
  width: 100%;
  max-width: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sidebar-logo img {
  width: 100%;
  height: auto;
  display: block;
}
.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  overflow-y: auto;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 0.25rem;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
  min-height: 44px;
  text-decoration: none;
}
.nav-item:hover {
  background: var(--surface-hover);
  color: var(--text);
}
.nav-item.active {
  background: var(--primary);
  color: white;
}
.nav-item .material-icons {
  font-size: 1.25rem;
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--text);
}
.sidebar-footer {
  padding: 20px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

/* === Main Content === */
.main-content {
  flex: 1;
  margin-left: 280px;
  padding: 32px;
  animation: fadeIn 0.3s ease;
}

/* === Top Bar === */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding: 20px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.page-title {
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.5px;
}
.top-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: all 0.2s ease;
}
.theme-toggle:hover {
  background: var(--surface-hover);
}

/* === Grids === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}
.staff-progress-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

/* === Chart === */
.chart-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  height: clamp(280px, 40vw, 380px);
  position: relative;
  box-shadow: var(--shadow);
}

/* === Filters & Search === */
.filters-row {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.search-box {
  flex: 1;
  min-width: 240px;
  position: relative;
}
.search-box input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  transition: all 0.2s ease;
}
.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(3, 9, 64, 0.1);
}
.search-box .material-icons {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--text-secondary);
}

/* ============================================
   Responsive Breakpoints
   ============================================ */

@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .filters-row {
    flex-direction: column;
  }
  .filters-row .form-group {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-overlay.active {
    display: block;
  }
  .menu-toggle {
    display: flex;
  }
  .main-content {
    margin-left: 0;
    padding: 1rem;
    width: 100%;
  }
  .top-bar {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .page-title {
    font-size: 1.25rem;
    flex: 1;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .stat-card {
    padding: 1rem;
  }
  .stat-value {
    font-size: 1.5rem;
  }
  .chart-container {
    height: 280px;
    padding: 1rem;
  }
  .card {
    padding: 1rem;
  }
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  table {
    min-width: 600px;
  }
  .login-box {
    padding: 1.5rem;
    margin: 1rem;
  }
  .logo-container {
    max-width: 200px;
  }
  .checkin-box {
    padding: 1.5rem;
    margin: 1rem;
  }
  .fingerprint-btn {
    width: 120px;
    height: 120px;
  }
  .fingerprint-icon {
    width: 60px;
    height: 60px;
  }
  .checkin-time {
    font-size: 2rem;
  }
  .checkin-name {
    font-size: 1rem;
  }
  .toast-container {
    left: 1rem;
    right: 1rem;
    top: 1rem;
  }
  .toast {
    min-width: auto;
    width: 100%;
  }
  .modal {
    max-width: calc(100% - 2rem);
    margin: 1rem;
  }
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: 1rem;
  }
  .action-menu {
    position: fixed;
    left: 1rem;
    right: 1rem;
    top: auto;
    bottom: 1rem;
    min-width: auto;
  }
  .staff-progress-grid {
    grid-template-columns: 1fr;
  }
  .csv-upload-zone {
    padding: 1.5rem;
  }
  .checkin-section {
    padding: 1.5rem;
  }
  .checkin-fingerprint {
    width: 80px;
    height: 80px;
  }
  .top-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

@media (max-width: 480px) {
  .login-links {
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
  }
  .demo-credentials {
    font-size: 0.75rem;
  }
  .btn {
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
  }
  .btn-sm {
    padding: 0.5rem 0.75rem;
  }
  .form-control {
    padding: 0.75rem;
    font-size: 16px;
  }
  .nav-item {
    padding: 0.75rem;
  }
  .sidebar-footer {
    padding: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (pointer: coarse) {
  .btn,
  .nav-item,
  .form-control,
  .theme-toggle,
  .menu-toggle,
  .modal-close {
    min-height: 44px;
  }
  .action-menu-item {
    padding: 0.875rem 1rem;
  }
}