/**
 * AJAX Forms CSS
 * Styles for AJAX form handling, notifications, and form states
 */

/* Notification System */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 8px;
    color: white;
    font-size: 14px;
    font-weight: 500;
    z-index: 10000;
    max-width: 400px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification.success {
    background: linear-gradient(135deg, #10b981, #059669);
    border-left: 4px solid #047857;
}

.notification.error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border-left: 4px solid #b91c1c;
}

.notification.info {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-left: 4px solid #1d4ed8;
}

.notification.warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border-left: 4px solid #b45309;
}

/* Form States */
.form-group {
    position: relative;
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group input.error:focus,
.form-group textarea.error:focus,
.form-group select.error:focus {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* Error Messages */
.error-message {
    display: none;
    color: #ef4444;
    font-size: 12px;
    margin-top: 4px;
    font-weight: 500;
}

.error-message.show {
    display: block;
}

/* Loading States */
.btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn .fa-spinner {
    margin-right: 8px;
}

/* Form Validation Styles */
.form-group.valid input,
.form-group.valid textarea,
.form-group.valid select {
    border-color: #10b981;
}

.form-group.valid::after {
    content: '✓';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #10b981;
    font-weight: bold;
}

/* Real-time Validation */
.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: #10b981;
}

.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: #ef4444;
}

/* Form Submission States */
.form-submitting {
    pointer-events: none;
    opacity: 0.7;
}

.form-submitting .btn {
    cursor: not-allowed;
}

/* Success States */
.form-success {
    border-color: #10b981 !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
}

/* Modal Form Styles */
.modal .form-group {
    margin-bottom: 16px;
}

.modal .error-message {
    font-size: 11px;
    margin-top: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
        transform: translateY(-100%);
    }
    
    .notification.show {
        transform: translateY(0);
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 10px 12px;
        font-size: 16px; /* Prevent zoom on iOS */
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .form-group input,
    .form-group textarea,
    .form-group select {
        background: #1f2937;
        border-color: #374151;
        color: #f9fafb;
    }
    
    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
        border-color: #667eea;
        background: #1f2937;
    }
    
    .form-group input.error,
    .form-group textarea.error,
    .form-group select.error {
        border-color: #ef4444;
        background: #1f2937;
    }
    
    .error-message {
        color: #fca5a5;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

.fade-out {
    animation: fadeOut 0.3s ease-out;
}

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

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

/* Form Progress Indicator */
.form-progress {
    position: relative;
    height: 4px;
    background: #e5e7eb;
    border-radius: 2px;
    margin-bottom: 20px;
    overflow: hidden;
}

.form-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

.form-progress-bar.loading {
    animation: progressPulse 1.5s ease-in-out infinite;
}

@keyframes progressPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Form Field Groups */
.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

/* Custom Form Elements */
.form-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.form-radio {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.form-radio input[type="radio"] {
    width: auto;
    margin: 0;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

.form-actions .btn {
    min-width: 100px;
}

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