/* User Registration Styles */
.family-tree-registration {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.registration-container {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

.registration-container h2 {
    color: #333;
    margin-bottom: 10px;
    font-size: 28px;
    font-weight: 600;
    text-align: center;
}

.registration-description {
    color: #666;
    margin-bottom: 30px;
    font-size: 16px;
    line-height: 1.5;
}

.registration-form {
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #333;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e1e8ed;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-actions {
    text-align: center;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 150px;
    justify-content: center;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #2980b9;
    transform: translateY(-1px);
}

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

.btn-loading {
    display: flex;
    align-items: center;
    gap: 8px;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.message {
    padding: 12px 16px;
    border-radius: 6px;
    margin: 20px 0;
    font-weight: 500;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message.warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.registration-info {
    background: #f8f9fa;
    border-radius: 6px;
    padding: 20px;
    margin-top: 30px;
}

.registration-info h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 18px;
}

.registration-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.registration-info li {
    padding: 8px 0;
    border-bottom: 1px solid #e9ecef;
    position: relative;
    padding-left: 25px;
}

.registration-info li:last-child {
    border-bottom: none;
}

.registration-info li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    .family-tree-registration {
        padding: 10px;
    }
    
    .registration-container {
        padding: 20px;
    }
    
    .registration-container h2 {
        font-size: 24px;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px; /* Prevent zoom on iOS */
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .registration-container {
        background: #2c3e50;
        color: #ecf0f1;
    }
    
    .registration-container h2 {
        color: #ecf0f1;
    }
    
    .registration-description {
        color: #bdc3c7;
    }
    
    .form-group label {
        color: #ecf0f1;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        background: #34495e;
        border-color: #4a5f7a;
        color: #ecf0f1;
    }
    
    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
        border-color: #3498db;
        background: #34495e;
    }
    
    .registration-info {
        background: #34495e;
    }
    
    .registration-info h3 {
        color: #ecf0f1;
    }
    
    .registration-info li {
        border-bottom-color: #4a5f7a;
    }
}