:root {
            --bg-color: #f1f5f9;
            --card-bg: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --accent-color: #4f46e5;
            --accent-hover: #4338ca;
            --input-border: #e2e8f0;
            --input-focus: #c7d2fe;
            --border-radius: 16px;
        }

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0;
            padding: 1rem;
        }

        .auth-wrapper {
            width: 100%;
            max-width: 420px;
            animation: fadeIn 0.5s ease-out;
        }

        .auth-card {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
            padding: 2.5rem 2rem;
            border: 1px solid rgba(0,0,0,0.05);
        }

        .auth-header {
            text-align: center;
            margin-bottom: 2rem;
        }

        .auth-header h1 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.5rem;
        }

        .auth-header p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }

        .form-floating > label {
            color: var(--text-muted);
        }

        .form-control {
            border: 1px solid var(--input-border);
            border-radius: 10px;
            padding: 1rem 0.75rem;
            height: auto;
            font-size: 0.95rem;
            transition: all 0.2s;
        }

        .form-control:focus {
            border-color: var(--accent-color);
            box-shadow: 0 0 0 4px var(--input-focus);
        }

        .btn-custom {
            border-radius: 10px;
            padding: 0.8rem 1rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.2s;
            width: 100%;
            margin-bottom: 0.75rem;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary-action {
            background-color: var(--accent-color);
            color: white;
            border: none;
        }

        .btn-primary-action:hover {
            background-color: var(--accent-hover);
            color: white;
            transform: translateY(-1px);
        }

        .btn-secondary-action {
            background-color: #f8fafc;
            color: var(--text-main);
            border: 1px solid var(--input-border);
        }

        .btn-secondary-action:hover {
            background-color: #f1f5f9;
            border-color: #cbd5e1;
        }

        .btn-restaurant {
            background-color: #f59e0b;
            color: white;
            border: none;
        }

        .btn-restaurant:hover {
            background-color: #d97706;
            color: white;
        }

        .btn-admin {
            background-color: #343a40;
            color: white;
            border: 1px dashed var(--input-border);
            margin-top: 1rem;
        }

        .btn-admin:hover {
            background-color: var(--bg-color);
            color: var(--text-main);
        }

        .divider {
            display: flex;
            align-items: center;
            text-align: center;
            margin: 1.5rem 0;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .divider::before, .divider::after {
            content: '';
            flex: 1;
            border-bottom: 1px solid var(--input-border);
        }

        .divider:not(:empty)::before { margin-right: .5em; }
        .divider:not(:empty)::after { margin-left: .5em; }

        /* Custom Modal Styling */
        .modal-content {
            border-radius: var(--border-radius);
            border: none;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        }
        
        .modal-header {
            border-bottom: 1px solid var(--input-border);
            padding: 1.5rem 1.5rem 1rem;
        }

        .modal-body {
            padding: 1.5rem;
        }

        .modal-footer {
            border-top: none;
            padding: 0 1.5rem 1.5rem;
        }

        .alert {
            border-radius: 10px;
            font-size: 0.9rem;
            border: none;
        }

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

        @media (max-width: 480px) {
            .auth-card {
                padding: 2rem 1.5rem;
            }
        }