body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .input-focus:focus {
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
        }
        .step-indicator {
            display: flex;
            justify-content: center;
            margin-bottom: 2rem;
        }
        .step {
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            padding: 0 1.5rem;
        }
        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #e5e7eb;
            color: #6b7280;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            margin-bottom: 0.5rem;
            z-index: 2;
        }
        .step.active .step-number {
            background-color: #4f46e5;
            color: white;
        }
        .step.completed .step-number {
            background-color: #10b981;
            color: white;
        }
        .step-title {
            font-size: 0.875rem;
            color: #6b7280;
            font-weight: 500;
        }
        .step.active .step-title {
            color: #4f46e5;
        }
        .step.completed .step-title {
            color: #10b981;
        }
        .step:not(:last-child):after {
            content: '';
            position: absolute;
            top: 20px;
            right: -50%;
            width: 100%;
            height: 2px;
            background-color: #e5e7eb;
            z-index: 1;
        }
        .step.completed:not(:last-child):after {
            background-color: #10b981;
        }
        .form-section {
            display: none;
        }
        .form-section.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .password-strength {
            height: 5px;
            border-radius: 3px;
            margin-top: 8px;
            background-color: #e5e7eb;
            overflow: hidden;
        }
        .password-strength-bar {
            height: 100%;
            width: 0;
            transition: width 0.3s ease;
        }