body { 
            font-family: 'Inter', sans-serif; 
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        
        .glass-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
        }
        
        .glass-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .floating-shapes {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: -1;
        }
        
        .shape {
            position: absolute;
            opacity: 0.1;
            animation: float 20s infinite linear;
        }
        
        .shape:nth-child(1) {
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }
        
        .shape:nth-child(2) {
            top: 60%;
            left: 80%;
            animation-delay: 7s;
        }
        
        .shape:nth-child(3) {
            top: 80%;
            left: 20%;
            animation-delay: 14s;
        }
        
        @keyframes float {
            0% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(180deg); }
            100% { transform: translateY(0px) rotate(360deg); }
        }
        
        .glow-button {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
            transition: all 0.3s ease;
        }
        
        .glow-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
        }
        
        .input-container {
            position: relative;
        }
        
        .input-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            pointer-events: none;
            z-index: 10;
            transition: all 0.3s ease;
        }
        
        .styled-input {
            transition: all 0.3s ease;
            padding-left: 48px;
        }
        
        .styled-input:focus {
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        
        .pulse-icon {
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }
        
        .slide-in {
            animation: slideIn 0.8s ease-out;
        }
        
        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .code-input {
            width: 60px;
            height: 60px;
            text-align: center;
            font-size: 24px;
            font-weight: 600;
            border: 2px solid #e5e7eb;
            border-radius: 12px;
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
        }
        
        .code-input:focus {
            border-color: #8b5cf6;
            box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
            transform: translateY(-2px);
            background: rgba(255, 255, 255, 0.95);
        }
        
        .code-input.filled {
            border-color: #10b981;
            background: rgba(16, 185, 129, 0.1);
        }
        
        .step {
            display: none;
            animation: slideIn 0.6s ease-out;
        }
        
        .step.active {
            display: block;
        }
        
        .password-strength {
            height: 4px;
            border-radius: 2px;
            background: #e5e7eb;
            overflow: hidden;
            margin-top: 8px;
        }
        
        .password-strength-bar {
            height: 100%;
            transition: all 0.3s ease;
            border-radius: 2px;
        }
        
        .strength-weak { background: #ef4444; width: 25%; }
        .strength-fair { background: #f59e0b; width: 50%; }
        .strength-good { background: #10b981; width: 75%; }
        .strength-strong { background: #059669; width: 100%; }
        
        .password-toggle {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            z-index: 10;
            transition: all 0.3s ease;
            color: #6b7280;
        }
        
        .password-toggle:hover {
            color: #374151;
        }
        
        .styled-input-with-toggle {
            padding-left: 48px;
            padding-right: 48px;
        }