* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #334155;
}

.register-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 48px;
    width: 100%;
    max-width: 500px;
    position: relative;
    overflow: hidden;
}

.register-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #1e40af, #dc2626);
}

.logo {
    text-align: center;
    margin-bottom: 32px;
}

.logo-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.3);
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1e40af, #dc2626);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.logo p {
    color: #64748b;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-input {
    width: 100%;
    padding: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fafafa;
}

.form-input:focus {
    outline: none;
    border-color: #1e40af;
    background: white;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-input.error {
    border-color: #dc2626;
    background: #fef2f2;
}

.btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.4);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn.loading {
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.message {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    display: none;
}

.message.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

.message.error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

.message.success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
}

.message.info {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1d4ed8;
}

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

.corporate-info {
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
    font-size: 0.85rem;
}

.corporate-info h4 {
    color: #0369a1;
    margin-bottom: 8px;
    font-weight: 600;
}

.corporate-info p {
    color: #0c4a6e;
    margin: 4px 0;
}

.login-link {
    text-align: center;
    margin-top: 24px;
}

.login-link a {
    color: #1e40af;
    text-decoration: none;
    font-weight: 500;
}

.login-link a:hover {
    text-decoration: underline;
}

.footer {
    text-align: center;
    margin-top: 32px;
    color: #64748b;
    font-size: 0.70rem;
}

.verification-step {
    display: none;
    text-align: center;
    padding: 20px;
}

.verification-step.show {
    display: block;
}

.verification-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

@media (max-width: 480px) {
    .register-container {
        margin: 20px;
        padding: 32px 24px;
    }

    .logo h1 {
        font-size: 1.5rem;
    }
}