@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

    * {
        font-family: 'Inter', sans-serif;
    }

    .registration-container {
        min-height: 100vh;
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        overflow: hidden;
    }

    .registration-container::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" fill="none"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
        opacity: 0.3;
    }

    .registration-card {
        background: rgba(30, 41, 59, 0.95);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 16px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        overflow: hidden;
        position: relative;
        z-index: 10;
        width: 100%;
        max-width: 900px;
    }

    .registration-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, #3b82f6, #10b981, #f59e0b);
    }

    .input-group {
        position: relative;
        margin-bottom: 1.5rem;
    }

    .input-icon {
        position: absolute;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
        color: #64748b;
        z-index: 10;
    }

    .form-input {
        width: 100%;
        background: rgba(15, 23, 42, 0.7);
        border: 1px solid #334155;
        color: #e2e8f0;
        padding: 0.75rem 1rem 0.75rem 3rem;
        border-radius: 8px;
        transition: all 0.3s ease;
    }

    .form-input:focus {
        outline: none;
        border-color: #3b82f6;
        box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    }

    .password-toggle {
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
        color: #64748b;
        cursor: pointer;
        z-index: 10;
    }

    .btn-primary {
        background: linear-gradient(135deg, #3b82f6, #2563eb);
        color: white;
        border: none;
        padding: 0.75rem 1.5rem;
        border-radius: 8px;
        cursor: pointer;
        transition: all 0.3s ease;
        font-weight: 600;
    }

    .btn-primary:hover {
        background: linear-gradient(135deg, #2563eb, #1d4ed8);
        transform: translateY(-2px);
        box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
    }

    .btn-secondary {
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        color: #e2e8f0;
        padding: 0.75rem 1.5rem;
        border-radius: 8px;
        cursor: pointer;
        transition: all 0.3s ease;
        font-weight: 500;
    }

    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: rgba(255, 255, 255, 0.3);
    }

    .account-type-card {
        border: 2px solid #334155;
        border-radius: 12px;
        padding: 1.5rem;
        cursor: pointer;
        transition: all 0.3s ease;
        text-align: center;
        height: 100%;
    }

    .account-type-card:hover {
        border-color: #3b82f6;
        transform: translateY(-5px);
    }

    .account-type-card.selected {
        border-color: #3b82f6;
        background: rgba(59, 130, 246, 0.1);
    }

    .account-type-icon {
        width: 64px;
        height: 64px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.75rem;
        margin: 0 auto 1rem;
    }

    .buyer-icon {
        background: rgba(16, 185, 129, 0.2);
        color: #10b981;
    }

    .seller-icon {
        background: rgba(59, 130, 246, 0.2);
        color: #3b82f6;
    }

    .both-icon {
        background: rgba(168, 85, 247, 0.2);
        color: #a855f7;
    }

    .step-indicator {
        display: flex;
        justify-content: space-between;
        margin-bottom: 2rem;
        position: relative;
    }

    .step-indicator::before {
        content: '';
        position: absolute;
        top: 20px;
        left: 0;
        right: 0;
        height: 2px;
        background: #334155;
        z-index: 1;
    }

    .step {
        display: flex;
        flex-direction: column;
        align-items: center;
        position: relative;
        z-index: 2;
    }

    .step-number {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: #334155;
        color: #94a3b8;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 600;
        margin-bottom: 0.5rem;
        transition: all 0.3s ease;
    }

    .step.active .step-number {
        background: #3b82f6;
        color: white;
    }

    .step.completed .step-number {
        background: #10b981;
        color: white;
    }

    .step-label {
        font-size: 0.875rem;
        color: #94a3b8;
        text-align: center;
    }

    .step.active .step-label {
        color: #3b82f6;
        font-weight: 500;
    }

    .step-content {
        display: none;
    }

    .step-content.active {
        display: block;
        animation: fadeIn 0.5s ease-in-out;
    }

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

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .floating-element {
        position: absolute;
        border-radius: 50%;
        background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(16, 185, 129, 0.1));
        animation: float 6s ease-in-out infinite;
    }

    @keyframes float {

        0%,
        100% {
            transform: translateY(0) rotate(0deg);
        }

        50% {
            transform: translateY(-20px) rotate(180deg);
        }
    }

    .verification-badge {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.25rem 0.75rem;
        border-radius: 9999px;
        font-size: 0.75rem;
        font-weight: 600;
    }

    .verified {
        background: rgba(16, 185, 129, 0.2);
        color: #10b981;
    }

    .checkbox-container {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        margin-bottom: 1rem;
    }

    .checkbox-container input[type="checkbox"] {
        appearance: none;
        width: 18px;
        height: 18px;
        border: 1px solid #475569;
        border-radius: 4px;
        position: relative;
        cursor: pointer;
    }

    .checkbox-container input[type="checkbox"]:checked {
        background: #3b82f6;
        border-color: #3b82f6;
    }

    .checkbox-container input[type="checkbox"]:checked::after {
        content: '✓';
        position: absolute;
        color: white;
        font-size: 12px;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .language-selector {
        position: absolute;
        top: 2rem;
        right: 2rem;
        z-index: 20;
    }

    .language-btn {
        background: rgba(30, 41, 59, 0.8);
        border: 1px solid #334155;
        color: #e2e8f0;
        padding: 0.5rem 1rem;
        border-radius: 6px;
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        transition: all 0.3s ease;
    }

    .language-btn:hover {
        background: rgba(30, 41, 59, 1);
        border-color: #475569;
    }

    .security-indicator {
        height: 4px;
        background: #334155;
        border-radius: 2px;
        margin-top: 0.5rem;
        overflow: hidden;
    }

    .security-fill {
        height: 100%;
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    .security-weak {
        background: #ef4444;
        width: 33%;
    }

    .security-medium {
        background: #f59e0b;
        width: 66%;
    }

    .security-strong {
        background: #10b981;
        width: 100%;
    }

    .document-upload {
        border: 2px dashed #334155;
        border-radius: 8px;
        padding: 2rem;
        text-align: center;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .document-upload:hover {
        border-color: #3b82f6;
    }

    .document-preview {
        display: flex;
        align-items: center;
        gap: 1rem;
        background: #334155;
        padding: 1rem;
        border-radius: 8px;
        margin-top: 1rem;
    }

    .form-error {
        color: #ef4444;
        font-size: 0.875rem;
        margin-top: 0.25rem;
        display: none;
    }

    .loading-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.7);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 1000;
        display: none;
    }