* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #e0f2fe 0%, #d1fae5 50%, #fef3c7 100%);
            min-height: 100vh;
        }

        /* Header */
        .header {
            background: linear-gradient(90deg, #0891b2 0%, #10b981 50%, #eab308 100%);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .logo-icon {
            background: transparent; 
            padding: 0; 
            backdrop-filter: none; 
        }

        .logo-icon i {
            font-size: 2rem;
        }

        .logo h1 {
            font-size: 1.875rem;
            font-weight: 700;
        }

        .logo p {
            font-size: 0.875rem;
            opacity: 0.9;
        }

        .mode-switch {
            display: flex;
            gap: 0.5rem;
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 0.5rem;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: white;
            color: #0891b2;
        }

        .btn-ghost {
            background: transparent;
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        /* Header Styles */
        .header-user {
            background: linear-gradient(90deg, #0891b2 0%, #10b981 50%, #eab308 100%);
        }

        .header-admin {
            background: linear-gradient(90deg, #0891b2 0%, #10b981 50%, #eab308 100%);
        }

        .btn-admin {
            background: white;
            color: #0891b2;
        }

        /* Tabs */
        .tabs {
            margin: 2rem auto;
        }

        .tab-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(10px);
            padding: 0.5rem;
            border-radius: 0.75rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            margin-bottom: 2rem;
        }

        .tab-btn {
            padding: 1rem;
            border: none;
            background: transparent;
            border-radius: 0.5rem;
            cursor: pointer;
            font-weight: 500;
            color: #374151;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .tab-btn.active {
            background: linear-gradient(90deg, #0891b2 0%, #10b981 100%);
            color: white;
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
        }

        /* Cards */
        .card {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            border-radius: 1rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            margin-bottom: 1.5rem;
        }

        .card-header {
            background: linear-gradient(90deg, #0891b2 0%, #10b981 100%);
            color: white;
            padding: 1.5rem;
            font-size: 1.25rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .card-body {
            padding: 1.5rem;
        }

        /* Grid */
        .grid {
            display: grid;
            gap: 1rem;
        }

        .grid-2 {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }

        .grid-3 {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }

        .grid-4 {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }

        /* Form Controls */
        .form-group {
            margin-bottom: 1rem;
        }

        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            color: #4b5563;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid #a5f3fc;
            border-radius: 0.5rem;
            font-size: 1rem;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: #10b981;
        }

        /* Stats Card */
        .stat-card {
            background: linear-gradient(135deg, #0891b2 0%, #10b981 100%);
            color: white;
            padding: 1.5rem;
            border-radius: 1rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .stat-card.variant-2 {
            background: linear-gradient(135deg, #10b981 0%, #eab308 100%);
        }

        .stat-card.variant-3 {
            background: linear-gradient(135deg, #eab308 0%, #0891b2 100%);
        }

        .stat-value {
            font-size: 2.5rem;
            font-weight: 700;
            margin: 0.5rem 0;
        }

        .stat-label {
            font-size: 0.875rem;
            opacity: 0.9;
        }

        /* Parking Slots Grid */
        .slots-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
            gap: 0.5rem;
            margin-top: 1rem;
        }

        .slot {
            padding: 1rem;
            border-radius: 0.5rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            border: 2px solid transparent;
        }

        .slot.available {
            background: #10b981;
            color: white;
        }

        .slot.available:hover {
            background: #059669;
            transform: scale(1.05);
        }

        .slot.occupied {
            background: #ef4444;
            color: white;
            cursor: not-allowed;
            opacity: 0.7;
        }

        .slot.reserved {
            background: #eab308;
            color: white;
            cursor: not-allowed;
            opacity: 0.7;
        }

        .slot-number {
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* Badge */
        .badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 500;
        }

        .badge-success {
            background: #10b981;
            color: white;
        }

        .badge-danger {
            background: #ef4444;
            color: white;
        }

        .badge-warning {
            background: #eab308;
            color: white;
        }

        .badge-info {
            background: #0891b2;
            color: white;
        }

        /* Table */
        .table-responsive {
            overflow-x: auto;
        }

        table {
            width: 100%;
            border-collapse: collapse;
        }

        thead {
            background: #e0f2fe;
        }

        th, td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid #e5e7eb;
        }

        th {
            font-weight: 600;
            color: #374151;
        }

        tbody tr:hover {
            background: rgba(224, 242, 254, 0.5);
        }

        /* Location Card */
        .location-card {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            border: 2px solid #a5f3fc;
            border-radius: 1rem;
            padding: 1.5rem;
            transition: all 0.3s;
        }

        .location-card:hover {
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
            transform: translateY(-2px);
        }

        .progress-bar {
            width: 100%;
            height: 0.5rem;
            background: #e5e7eb;
            border-radius: 9999px;
            overflow: hidden;
            margin: 1rem 0;
        }

        .progress-fill {
            height: 100%;
            transition: width 0.3s;
        }

        .progress-fill.high {
            background: #10b981;
        }

        .progress-fill.medium {
            background: #eab308;
        }

        .progress-fill.low {
            background: #ef4444;
        }

        /* Footer */
        .footer {
            background: linear-gradient(90deg, #0891b2 0%, #10b981 50%, #eab308 100%);
            color: white;
            text-align: center;
            padding: 1.5rem;
            margin-top: 4rem;
        }

        /* Alert */
        .alert {
            padding: 1rem;
            border-radius: 0.5rem;
            margin-bottom: 1rem;
        }

        .alert-success {
            background: #d1fae5;
            color: #065f46;
            border: 1px solid #10b981;
        }

        .alert-info {
            background: #e0f2fe;
            color: #0c4a6e;
            border: 1px solid #0891b2;
        }

        /* Login Screen */
        .login-screen {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 2rem;
        }

        .login-card {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-radius: 1.5rem;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            padding: 2.5rem;
            max-width: 450px;
            width: 100%;
            text-align: center;
        }

        .login-logo {
            width: 120px;
            height: 120px;
            margin: 0 auto 1.5rem;
            background: linear-gradient(135deg, #0891b2 0%, #10b981 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 3rem;
        }

        .login-title {
            font-size: 2rem;
            font-weight: 700;
            color: #0891b2;
            margin-bottom: 0.5rem;
        }

        .login-subtitle {
            color: #6b7280;
            margin-bottom: 2rem;
        }

        .login-options {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .login-option {
            padding: 1.5rem;
            border: 2px solid #e5e7eb;
            border-radius: 0.75rem;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
        }

        .login-option:hover {
            border-color: #0891b2;
            transform: translateY(-2px);
        }

        .login-option.active {
            border-color: #0891b2;
            background: rgba(8, 145, 178, 0.05);
        }

        .login-option i {
            font-size: 2rem;
            color: #0891b2;
            margin-bottom: 0.5rem;
        }

        .login-form {
            text-align: left;
        }

        .form-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 1.5rem;
        }

        .link {
            color: #0891b2;
            text-decoration: none;
            cursor: pointer;
        }

        .link:hover {
            text-decoration: underline;
        }

        /* Settings Page */
        .settings-section {
            margin-bottom: 2rem;
        }

        .settings-section h3 {
            color: #0891b2;
            margin-bottom: 1rem;
            font-size: 1.25rem;
        }

        .settings-card {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            border-radius: 1rem;
            padding: 1.5rem;
            margin-bottom: 1rem;
        }

        .settings-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid #e5e7eb;
        }

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

        .settings-item-label {
            font-weight: 500;
        }

        .settings-item-value {
            color: #6b7280;
        }

        .toggle-switch {
            position: relative;
            display: inline-block;
            width: 50px;
            height: 24px;
        }

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

        .toggle-slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #ccc;
            transition: .4s;
            border-radius: 24px;
        }

        .toggle-slider:before {
            position: absolute;
            content: "";
            height: 16px;
            width: 16px;
            left: 4px;
            bottom: 4px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }

        input:checked + .toggle-slider {
            background-color: #10b981;
        }

        input:checked + .toggle-slider:before {
            transform: translateX(26px);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .tab-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .header-content {
                flex-direction: column;
                text-align: center;
            }

            .slots-grid {
                grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
            }

            .login-options {
                grid-template-columns: 1fr;
            }

            .login-card {
                padding: 1.5rem;
            }

            .form-actions {
                flex-direction: column;
                gap: 1rem;
            }
        }

        @media (max-width: 480px) {
            .tab-list {
                grid-template-columns: 1fr;
            }

            .grid-2, .grid-3, .grid-4 {
                grid-template-columns: 1fr;
            }

            .login-screen {
                padding: 1rem;
            }
        }

        .hidden {
            display: none !important;
        }

        .search-box {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }

        .text-small {
            font-size: 0.875rem;
            color: #6b7280;
        }

        .btn-sm {
            padding: 0.5rem 1rem;
            font-size: 0.875rem;
        }

        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mb-2 { margin-bottom: 1rem; }