.register-card {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
    padding: 30px;
    margin-bottom: 30px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 1px solid #e9ecef;
    max-width: 500px;
    margin: 0 auto;
}

.register-header {
    text-align: center;
    margin-bottom: 25px;
}

.register-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
}

.register-subtitle {
    color: var(--light-text);
    font-size: 1rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-color);
}

.form-control {
    border-radius: 6px;
    padding: 10px 12px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

.input-group {
    position: relative;
}

.input-group .btn {
    border-radius: 0 6px 6px 0;
}

.verification-code-group {
    display: flex;
    gap: 10px;
}

.verification-code-group .form-control {
    flex: 1;
}

.verification-code-group .btn {
    flex-shrink: 0;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary:hover {
    background-color: #0d62c9;
    border-color: #0d62c9;
    transform: translateY(-2px);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-countdown {
    background-color: #f8f9fa;
    color: var(--light-text);
    border-color: #e0e0e0;
}

.form-check {
    margin-bottom: 20px;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-label {
    color: var(--light-text);
}

.form-check-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.form-check-label a:hover {
    text-decoration: underline;
}

.alert {
    border-radius: 6px;
    padding: 12px 16px;
    margin-bottom: 20px;
}

.alert-danger {
    background-color: #fde8e8;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-success {
    background-color: #e8f5e8;
    border-color: #c3e6cb;
    color: #155724;
}

.login-link {
    text-align: center;
    margin-top: 20px;
    color: var(--light-text);
}

.login-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

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

.step-indicator {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    width: 100px;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 15px;
    right: -50px;
    width: 100px;
    height: 2px;
    background-color: #e0e0e0;
}

.step.active:not(:last-child)::after {
    background-color: var(--primary-color);
}

.step-circle {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #e0e0e0;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 8px;
    z-index: 1;
}

.step.active .step-circle {
    background-color: var(--primary-color);
}

.step-label {
    font-size: 0.85rem;
    color: var(--light-text);
    text-align: center;
}

.step.active .step-label {
    color: var(--primary-color);
    font-weight: 500;
}

.step-content {
    display: none;
}

.step-content.active {
    display: block;
}

.password-strength {
    margin-top: 8px;
}

.password-strength-bar {
    height: 5px;
    background-color: #e0e0e0;
    border-radius: 3px;
    margin-bottom: 5px;
    overflow: hidden;
}

.password-strength-fill {
    height: 100%;
    width: 0;
    transition: width 0.3s;
}

.password-strength-text {
    font-size: 0.8rem;
    color: var(--light-text);
}

.password-strength.weak .password-strength-fill {
    background-color: #e74c3c;
    width: 33%;
}

.password-strength.medium .password-strength-fill {
    background-color: #f39c12;
    width: 66%;
}

.password-strength.strong .password-strength-fill {
    background-color: #2ecc71;
    width: 100%;
}

@media (max-width: 576px) {
    .register-card {
        padding: 20px;
    }
    
    .step:not(:last-child)::after {
        width: 80px;
        right: -40px;
    }
    
    .step {
        width: 80px;
    }
}