/* Settings Modal Styles */
.settings-nav .nav-link {
    color: var(--text-secondary);
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.25rem;
    transition: all 0.2s ease;
    text-align: left;
    display: flex;
    align-items: center;
}

.settings-nav .nav-link:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.settings-nav .nav-link.active {
    background-color: var(--button-primary);
    color: white;
}

.settings-content {
    padding-left: 1rem;
}

.settings-section-title {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.settings-group {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.form-check-label strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.25rem;
}

.form-check-label .text-muted {
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* Theme Options */
.theme-options {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.theme-option {
    cursor: pointer;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    text-align: center;
    transition: all 0.2s ease;
    flex: 1;
}

.theme-option:hover {
    border-color: var(--button-primary);
    transform: translateY(-2px);
}

.form-check-input:checked + .theme-option {
    border-color: var(--button-primary);
    background-color: rgba(13, 110, 253, 0.1);
}

.theme-preview {
    width: 60px;
    height: 40px;
    border-radius: 4px;
    margin: 0 auto 0.5rem;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.theme-preview-header {
    height: 12px;
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
}

.theme-preview-body {
    height: 27px;
    background: #ffffff;
}

.dark-preview .theme-preview-header {
    background: #2d2d2d;
    border-bottom-color: #404040;
}

.dark-preview .theme-preview-body {
    background: #1a1a1a;
}

.auto-preview {
    background: linear-gradient(45deg, #ffffff 50%, #1a1a1a 50%);
}

.auto-preview .theme-preview-header {
    background: linear-gradient(45deg, #f8f9fa 50%, #2d2d2d 50%);
}

.auto-preview .theme-preview-body {
    background: linear-gradient(45deg, #ffffff 50%, #1a1a1a 50%);
}

/* Performance Metrics */
.performance-info {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
}

.performance-metric {
    padding: 0.5rem;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--button-primary);
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Settings Navigation Link in Sidebar */
.settings-nav-link {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem !important;
}

/* Compact Mode Styles */
.compact-mode .card {
    margin-bottom: 0.75rem;
}

.compact-mode .form-group,
.compact-mode .mb-3 {
    margin-bottom: 0.75rem !important;
}

.compact-mode .btn {
    padding: 0.375rem 0.75rem;
}

.compact-mode .settings-group {
    padding: 0.75rem;
}

/* No Animations Mode */
.no-animations * {
    transition: none !important;
    animation: none !important;
}

/* Tool-specific Settings Cards */
.tab-pane .card {
    border: 1px solid var(--border-color);
    background: var(--card-bg);
}

.tab-pane .card-title {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Range Slider Styling */
.form-range {
    background: transparent;
}

.form-range::-webkit-slider-track {
    background: var(--bg-secondary);
    border-radius: 4px;
    height: 6px;
}

.form-range::-webkit-slider-thumb {
    background: var(--button-primary);
    border: none;
    border-radius: 50%;
    width: 18px;
    height: 18px;
}

.form-range::-moz-range-track {
    background: var(--bg-secondary);
    border-radius: 4px;
    height: 6px;
    border: none;
}

.form-range::-moz-range-thumb {
    background: var(--button-primary);
    border: none;
    border-radius: 50%;
    width: 18px;
    height: 18px;
}

/* Modal Improvements */
.modal-content {
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 12px 12px 0 0;
}

.modal-title {
    color: var(--text-primary);
    font-weight: 600;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 0 0 12px 12px;
}

/* Form Controls */
.form-select {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
}

.form-select:focus {
    background-color: var(--input-bg);
    border-color: var(--button-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Switch Styling */
.form-check-input:checked {
    background-color: var(--button-primary);
    border-color: var(--button-primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Alert Styling */
.alert {
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    border-color: rgba(255, 193, 7, 0.3);
    color: var(--text-primary);
}

/* Button Group */
.btn-group .btn {
    border-color: var(--border-color);
}

/* Responsive Design */
@media (max-width: 992px) {
    .modal-dialog.modal-lg {
        max-width: 90%;
    }
    
    .settings-nav {
        flex-direction: row;
        margin-bottom: 1rem;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    .settings-nav .nav-link {
        flex-shrink: 0;
        margin-right: 0.5rem;
        margin-bottom: 0;
    }
    
    .settings-content {
        padding-left: 0;
    }
    
    .theme-options {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .modal-dialog {
        margin: 0.5rem;
    }
    
    .theme-options {
        gap: 0.5rem;
    }
    
    .theme-option {
        padding: 0.75rem;
    }
    
    .theme-preview {
        width: 50px;
        height: 32px;
    }
    
    .performance-info .row {
        text-align: left;
    }
    
    .performance-metric {
        margin-bottom: 1rem;
    }
    
    .metric-value {
        font-size: 1.25rem;
    }
}

/* Loading States */
.settings-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-muted);
}

.settings-loading .spinner-border {
    width: 1.5rem;
    height: 1.5rem;
    margin-right: 0.5rem;
}

/* Success/Error States */
.settings-success {
    color: #198754;
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.settings-error {
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* Hide radio buttons for theme selection */
.theme-options .form-check-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

/* Accessibility improvements */
.theme-option:focus-visible {
    outline: 2px solid var(--button-primary);
    outline-offset: 2px;
}

.form-check-input:focus-visible {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Dark mode specific improvements */
[data-theme="dark"] .modal-backdrop {
    background-color: rgba(0, 0, 0, 0.8);
}

/* Animation for settings panel opening */
@keyframes settingsSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal.show .modal-dialog {
    animation: settingsSlideIn 0.2s ease-out;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .modal.show .modal-dialog {
        animation: none;
    }
    
    .theme-option {
        transition: none;
    }
    
    .theme-option:hover {
        transform: none;
    }
}