:root{
      --primary:#0f172a;        /* slate-900 */
      --primary-light:#1e293b;  /* slate-800 */
      --accent:#3b82f6;         /* blue-500 */
      --accent-hover:#2563eb;   /* blue-600 */
      --accent-light:#dbeafe;   /* blue-100 */
      --success:#10b981;        /* emerald-500 */
      --success-light:#d1fae5;  /* emerald-100 */
      --warning:#f59e0b;        /* amber-500 */
      --warning-light:#fef3c7;  /* amber-100 */
      --danger:#ef4444;         /* red-500 */
      --danger-light:#fee2e2;   /* red-100 */
      --bg:#f8fafc;             /* slate-50 */
      --surface:#ffffff;
      --surface-hover:#f1f5f9;  /* slate-100 */
      --border:#e2e8f0;         /* slate-200 */
      --text:#0f172a;           /* slate-900 */
      --text-muted:#64748b;     /* slate-500 */
      --text-light:#94a3b8;     /* slate-400 */
      --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
      --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
      --ring: 0 0 0 3px rgb(59 130 246 / 0.1);
    }

    * {
      box-sizing: border-box;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      font-size: 14px;
    }

    /* Container & Layout */
    .container {
      max-width: 1024px;
      margin: 0 auto;
      padding: 16px;
      /*min-height: 100vh;*/
      display: flex;
      flex-direction: column;
    }

    .card {
      background: var(--surface);
      border-radius: 20px;
      box-shadow: var(--shadow);
      border: 1px solid var(--border);
      overflow: hidden;
      transition: all 0.2s ease;
    }

    .card-header {
      padding: 24px 24px 0;
      border-bottom: 1px solid var(--border);
      margin-bottom: 24px;
    }

    .card-content {
      padding: 24px;
    }

    .stack {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    /* Topbar */
    .topbar {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: saturate(180%) blur(20px);
      background: rgba(248, 250, 252, 0.9);
      border-bottom: 1px solid var(--border);
      margin-bottom: 20px;
    }

    .topbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 0;
      gap: 16px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
    }

    .brand .logo {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--accent), var(--accent-hover));
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 18px;
      font-weight: 900;
    }

    .brand-text h1 {
      margin: 0;
      font-size: 20px;
      color: var(--text);
    }

    .brand-text .subtitle {
      margin: 0;
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* Buttons */
    .btn {
      appearance: none;
      border: none;
      border-radius: 12px;
      padding: 12px 20px;
      font-weight: 600;
      font-size: 14px;
      cursor: pointer;
      transition: all 0.2s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      text-decoration: none;
      position: relative;
      overflow: hidden;
    }

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

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

    .btn-primary:hover:not(:disabled) {
      background: var(--accent-hover);
      transform: translateY(-1px);
      box-shadow: var(--shadow-lg);
    }

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

    .btn-secondary:hover:not(:disabled) {
      background: var(--surface-hover);
    }

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

    .btn-danger:hover:not(:disabled) {
      background: #dc2626;
      transform: translateY(-1px);
    }

    .btn-ghost {
      background: transparent;
      color: var(--accent);
      border: 1px solid transparent;
    }

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

    /* Form Elements */
    .field {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .field-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    label {
      font-weight: 600;
      font-size: 13px;
      color: var(--text);
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .required::after {
      content: "*";
      color: var(--danger);
      margin-left: 2px;
    }

    input, select, textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border);
      border-radius: 12px;
      font-size: 14px;
      background: var(--surface);
      color: var(--text);
      transition: all 0.2s ease;
    }

    input:focus, select:focus, textarea:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: var(--ring);
    }

    textarea {
      min-height: 100px;
      resize: vertical;
      font-family: inherit;
    }

    /* Week Selection */
    .week-selector {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 12px;
      margin-top: 16px;
    }

    .week-btn {
      background: var(--surface);
      border: 2px solid var(--border);
      border-radius: 12px;
      padding: 16px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s ease;
      text-align: center;
      position: relative;
    }

    .week-btn.active {
      background: var(--accent);
      color: white;
      border-color: var(--accent);
      box-shadow: var(--shadow);
    }

    .week-btn:disabled {
      opacity: 0.4;
      cursor: not-allowed;
      background: var(--surface-hover);
    }

    .week-btn.active::after {
      content: "✓";
      position: absolute;
      top: 8px;
      right: 8px;
      font-size: 12px;
    }

    /* Location Cards */
    .locations-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 16px;
      margin-top: 20px;
    }

    .location-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 20px;
      cursor: pointer;
      transition: all 0.2s ease;
      position: relative;
      overflow: hidden;
    }

    .location-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
      border-color: var(--accent);
    }

    .location-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--border);
      transition: all 0.2s ease;
    }

    .location-card.pending::before { background: var(--warning); }
    .location-card.completed::before { background: var(--success); }
    .location-card.missed::before { background: var(--danger); }

    .location-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 12px;
      gap: 12px;
    }

    .location-title {
      font-weight: 700;
      font-size: 16px;
      margin: 0;
      color: var(--text);
    }

    .location-address {
      color: var(--text-muted);
      font-size: 13px;
      margin-bottom: 16px;
    }

    /* Status Chips */
    .chip {
      padding: 6px 12px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
    }

    .chip.pending {
      background: var(--warning-light);
      color: #92400e;
    }

    .chip.completed {
      background: var(--success-light);
      color: #047857;
    }

    .chip.missed {
      background: var(--danger-light);
      color: #b91c1c;
    }

    /* Toggle Switch */
    .toggle-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px;
      background: linear-gradient(135deg, var(--accent-light), #f0f9ff);
      border-radius: 16px;
      border: 1px solid var(--border);
    }

    .toggle-label {
      font-weight: 600;
      color: var(--text);
    }

    .switch {
      position: relative;
      width: 60px;
      height: 32px;
    }

    .switch input {
      opacity: 0;
      width: 0;
      height: 0;
    }

    .slider {
      position: absolute;
      cursor: pointer;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: #cbd5e1;
      border-radius: 32px;
      transition: all 0.3s ease;
    }

    .slider:before {
      position: absolute;
      content: "";
      height: 24px;
      width: 24px;
      left: 4px;
      top: 4px;
      background: white;
      border-radius: 50%;
      transition: all 0.3s ease;
      box-shadow: var(--shadow);
    }

    .switch input:checked + .slider {
      background: var(--success);
    }

    .switch input:checked + .slider:before {
      transform: translateX(28px);
    }

    /* Tabs */
    .tabs {
      display: flex;
      border-bottom: 2px solid var(--border);
      margin: 20px 0 0;
      overflow-x: auto;
    }

    .tab {
      padding: 16px 20px;
      font-weight: 600;
      cursor: pointer;
      border-bottom: 3px solid transparent;
      color: var(--text-muted);
      transition: all 0.2s ease;
      white-space: nowrap;
      position: relative;
    }

    .tab.active {
      color: var(--accent);
      border-color: var(--accent);
    }

    .tab:hover:not(.active) {
      color: var(--text);
      background: var(--surface-hover);
    }

    .tab.disabled {
      opacity: 0.5;
      cursor: not-allowed;
      pointer-events: none;
    }

    .tabpanel {
      display: none;
      padding: 24px 0;
    }

    .tabpanel.active {
      display: block;
      animation: fadeIn 0.3s ease;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* Not Visited Alert */
    .not-visited-alert {
      display: none;
      background: linear-gradient(135deg, var(--danger-light), #fef2f2);
      border: 1px solid #fecaca;
      border-left: 4px solid var(--danger);
      border-radius: 12px;
      padding: 20px;
      margin: 16px 0;
    }

    .not-visited-alert.active {
      display: block;
      animation: slideIn 0.3s ease;
    }

    @keyframes slideIn {
      from { opacity: 0; transform: translateY(-10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .alert-title {
      font-weight: 700;
      color: var(--danger);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .alert-content {
      color: #7f1d1d;
      font-size: 13px;
    }

    /* Lists */
    .items-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 20px;
    }

    .item {
      background: var(--surface-hover);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 16px;
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 16px;
      transition: all 0.2s ease;
    }

    .item:hover {
      border-color: var(--accent);
      box-shadow: var(--shadow);
    }

    .item-content {
      flex: 1;
    }

    .item-title {
      font-weight: 600;
      margin-bottom: 4px;
    }

    .item-meta {
      color: var(--text-muted);
      font-size: 12px;
    }

    .item-actions {
      display: flex;
      gap: 8px;
    }

    .icon-btn {
      background: transparent;
      border: none;
      color: var(--text-muted);
      cursor: pointer;
      padding: 8px;
      border-radius: 8px;
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    .icon-btn.delete {
      color: var(--danger);
    }

    .icon-btn.delete:hover {
      background: var(--danger-light);
    }

    /* Footer */
    .footer {
      position: sticky;
      bottom: 0;
      margin-top: auto;
      background: linear-gradient(180deg, transparent 0%, var(--bg) 40%);
      padding: 20px 0 0;
    }

    .footer-actions {
      display: flex;
      gap: 12px;
      justify-content: flex-end;
    }

    /* Toast */
    .toast {
      position: fixed;
      top: 20px;
      right: 20px;
      background: var(--primary);
      color: white;
      padding: 16px 20px;
      border-radius: 12px;
      box-shadow: var(--shadow-lg);
      opacity: 0;
      transform: translateX(100%);
      transition: all 0.3s ease;
      z-index: 100;
      max-width: 300px;
      font-weight: 600;
      font-size: 14px;
    }

    .toast.show {
      opacity: 1;
      transform: translateX(0);
    }

    .toast.success {
      background: var(--success);
    }

    .toast.error {
      background: var(--danger);
    }

    /* Back Button */
    .back-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      cursor: pointer;
      font-weight: 600;
      padding: 8px 0;
      margin-bottom: 16px;
      transition: all 0.2s ease;
    }

    .back-btn:hover {
      color: var(--accent-hover);
      transform: translateX(-4px);
    }

    /* Empty State */
    .empty-state {
      text-align: center;
      padding: 40px 20px;
      color: var(--text-muted);
    }

    .empty-state .icon {
      font-size: 48px;
      margin-bottom: 16px;
      opacity: 0.5;
    }

    /* Loading States */
    .loading {
      opacity: 0.7;
      pointer-events: none;
    }

    .loading::after {
      content: "";
      position: absolute;
      top: 50%;
      left: 50%;
      width: 20px;
      height: 20px;
      border: 2px solid var(--accent);
      border-top-color: transparent;
      border-radius: 50%;
      animation: spin 1s linear infinite;
      transform: translate(-50%, -50%);
    }

    @keyframes spin {
      to { transform: translate(-50%, -50%) rotate(360deg); }
    }

    /* Progress Indicator */
    .progress-bar {
      width: 100%;
      height: 4px;
      background: var(--border);
      border-radius: 2px;
      overflow: hidden;
      margin-bottom: 20px;
    }

    .progress-fill {
      height: 100%;
      background: var(--accent);
      border-radius: 2px;
      transition: width 0.3s ease;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .container {
        padding: 12px;
      }

      .card-content {
        padding: 20px;
      }

      .field-row {
        grid-template-columns: 1fr;
      }

      .week-selector {
        grid-template-columns: repeat(2, 1fr);
      }

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

      .footer-actions {
        flex-direction: column-reverse;
      }

      .btn {
        justify-content: center;
      }
    }

    @media (max-width: 480px) {
      .brand {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
      }

      .topbar-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
      }

      .week-selector {
        grid-template-columns: 1fr;
      }
    }

    /* Utility Classes */
    .hidden {
      display: none !important;
    }

    .text-center {
      text-align: center;
    }

    .text-muted {
      color: var(--text-muted);
    }

    .font-bold {
      font-weight: 700;
    }

    .mb-0 {
      margin-bottom: 0;
    }

    .mt-4 {
      margin-top: 16px;
    }


/* Photo preview styles */
.photo-preview-container {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 8px;
}

.photo-preview {
  max-width: 100px;
  max-height: 100px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

/* Make file input buttons match your theme */
.btn-photo {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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