/**
 * UX Features CSS
 * Additional styling for enhanced user experience features
 */

/* Drag and drop indicators */
.drag-over {
    border: 2px dashed var(--color-accent);
    background-color: var(--color-bg-tertiary);
    opacity: 0.8;
}

.dragging {
    opacity: 0.5;
    cursor: move;
}

/* Bulk operation selection */
.bulk-select-mode .series-card {
    cursor: pointer;
}

.bulk-select-mode .series-card.selected {
    border: 2px solid var(--color-accent);
    background-color: var(--color-surface-hover);
}

/* Keyboard navigation focus indicators */
.keyboard-focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Touch gestures feedback */
.touch-feedback {
    animation: touchPulse 0.3s ease-out;
}

@keyframes touchPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.95);
    }
    100% {
        transform: scale(1);
    }
}

/* Mobile responsive enhancements */
@media (max-width: 768px) {
    .mobile-hide {
        display: none !important;
    }
    
    .mobile-full-width {
        width: 100% !important;
    }
}

/* Accessibility high contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --color-text-primary: #000000;
        --color-bg-primary: #ffffff;
    }
    
    [data-theme="dark"] {
        --color-border: #ffffff;
        --color-text-primary: #ffffff;
        --color-bg-primary: #000000;
    }
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Multi-screen support */
.window-controls {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
}

.window-control-btn {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.window-control-btn:hover {
    background: var(--color-surface-hover);
}

/* Undo/Redo notification */
.undo-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Advanced search panel */
.advanced-search-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
    display: none;
}

.advanced-search-panel.active {
    display: block;
}

/* Loading states */
.loading-skeleton {
    background: linear-gradient(
        90deg,
        var(--color-bg-tertiary) 25%,
        var(--color-surface-hover) 50%,
        var(--color-bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Tooltip enhancements */
.tooltip {
    position: absolute;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: var(--spacing-sm);
    font-size: var(--font-size-caption);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.tooltip.show {
    opacity: 1;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
