:root {
            --primary: #4e73df;
            --primary-dark: #2e59d9;
            --secondary: #1cc88a;
            --dark: #3a3b45;
            --light: #f8f9fc;
            --danger: #e74a3b;
            --success: #1cc88a;
            --warning: #f6c23e;
            --gray: #858796;
            --border: #e3e6f0;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(120deg, #f6f9ff 0%, #eef2f7 100%);
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            padding: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .form-group {
            margin-bottom: 25px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 10px;
            font-weight: 600;
            color: var(--dark);
            font-size: 1.05rem;
        }
        
        .form-control {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 1.05rem;
            transition: all 0.3s;
            box-shadow: inset 0 2px 5px rgba(0,0,0,0.03);
        }
        
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 4px rgba(78, 115, 223, 0.15), inset 0 2px 5px rgba(0,0,0,0.03);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 32px;
            font-size: 1.05rem;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s;
            border: none;
            box-shadow: 0 4px 8px rgba(0,0,0,0.08);
        }
        
        .btn-primary {
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            color: white;
        }
        
        .btn-primary:hover {
            background: linear-gradient(to right, var(--primary-dark), #224abe);
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(78, 115, 223, 0.35);
        }
        
        .btn-primary:active {
            transform: translateY(0);
        }

        .password-container {
            position: relative;
        }
        
        .password-toggle {
            position: absolute;
            right: 18px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--gray);
            cursor: pointer;
            font-size: 1.1rem;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(15px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.08); }
            100% { transform: scale(1); }
        }