/* 
 * Enhanced Styles for Form Validation
 * Improves form validation feedback and user experience
 * Compatible with PHP version 8.3.15
 */

/* Form Validation Styles */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    outline: none;
}

.form-group.error input[type="text"],
.form-group.error input[type="email"],
.form-group.error input[type="password"],
.form-group.error textarea,
.form-group.error select {
    border-color: var(--error-color);
    background-color: rgba(231, 76, 60, 0.05);
}

.form-group.error input[type="text"]:focus,
.form-group.error input[type="email"]:focus,
.form-group.error input[type="password"]:focus,
.form-group.error textarea:focus,
.form-group.error select:focus {
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
}

.form-group .error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: none;
}

.form-group.error .error-message {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

.form-group.success input[type="text"],
.form-group.success input[type="email"],
.form-group.success input[type="password"],
.form-group.success textarea,
.form-group.success select {
    border-color: var(--success-color);
    background-color: rgba(46, 204, 113, 0.05);
}

.form-group.success::after {
    content: "✓";
    position: absolute;
    right: 10px;
    top: 38px;
    color: var(--success-color);
    font-size: 1.2rem;
}

.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.form-check input[type="checkbox"] {
    margin-right: 0.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background-color: #f5f5f5;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.alert-error {
    background-color: rgba(231, 76, 60, 0.1);
    border-left: 4px solid var(--error-color);
    color: #c0392b;
}

.alert-success {
    background-color: rgba(46, 204, 113, 0.1);
    border-left: 4px solid var(--success-color);
    color: #27ae60;
}

/* Loading Indicator */
.loading-indicator {
    display: none;
    justify-content: center;
    align-items: center;
    margin: 2rem 0;
    gap: 1rem;
}

.loading-indicator.active {
    display: flex;
    animation: fadeIn 0.3s ease-in-out;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(52, 152, 219, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Enhanced Mobile Responsiveness */
@media (max-width: 768px) {
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="password"],
    .form-group textarea,
    .form-group select {
        padding: 0.7rem;
        font-size: 0.95rem;
    }
    
    .form-group label {
        font-size: 0.95rem;
    }
}