/**
 * Price Chart Slider Styles
 *
 * Modern, sleek slider design inspired by Tweakers.net
 * Includes track, handles, inactive areas, and date labels
 *
 * @package PC_Kompas_Trends
 * @since 1.0.0
 */

/* ==========================================================================
   Chart Period Slider - Modern, Sleek Design
   Inspired by Tweakers.net price chart - clean, minimal, elegant
   ========================================================================== */

.chart-slider {
    margin-top: 1.5rem;
    /* Add horizontal padding to make room for handles at edges when slider is full width */
    padding: 0 clamp(12px, 2vw, 16px);
    user-select: none;
    /* Allow handles to extend beyond */
    overflow: visible;
}

/**
 * Track - Sleek, minimal background
 * - Thinner, more elegant height (32px instead of 48px)
 * - Subtle background
 * - Soft border-radius, no harsh edges
 * - Minimal shadow for depth without bulk
 * - overflow: visible to show handles at edges
 */
.chart-slider__track {
    position: relative;
    height: 32px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    /* IMPORTANT: overflow visible so handles show at edges */
    overflow: visible;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: background 0.2s ease, border-color 0.2s ease;
}

/**
 * Mini-chart SVG in slider track
 * - Positioned elegantly within the track
 * - Opacity reduced for subtle effect
 */
.chart-slider__mini-chart {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 100%;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 0;
    opacity: 0.8;
}

/**
 * Inactive overlay areas - Subtle fade instead of harsh overlay
 * - Uses transparent fade or blur effect
 * - More subtle than before
 * - Smooth transitions
 */
.chart-slider__inactive {
    position: absolute;
    top: 0;
    height: 100%;
    background: rgba(0, 0, 0, 0.08);
    z-index: 1;
    transition: width 0.1s ease-out;
    backdrop-filter: blur(0.5px);
}

.chart-slider__inactive--left {
    left: 0;
    border-radius: 8px 0 0 8px;
}

.chart-slider__inactive--right {
    right: 0;
    border-radius: 0 8px 8px 0;
}

/**
 * Active selected range - Elegant highlight
 * - Subtle glow or gradient effect
 * - No harsh borders, more integrated
 * - Smooth shadow for premium feel
 * - overflow: visible so handles show at edges
 */
.chart-slider__range {
    position: absolute;
    top: 0;
    height: 100%;
    background: linear-gradient(to bottom, rgba(var(--accent-rgb), 0.1) 0%, rgba(var(--accent-rgb), 0.05) 100%);
    cursor: grab;
    transition: background 0.15s ease, box-shadow 0.15s ease;
    z-index: 2;
    box-shadow: inset 0 0 0 1px var(--accent);
    /* Allow handles to extend beyond range */
    overflow: visible;
}

.chart-slider__range:hover {
    background: linear-gradient(to bottom, rgba(var(--accent-rgb), 0.15) 0%, rgba(var(--accent-rgb), 0.08) 100%);
    box-shadow: inset 0 0 0 1px var(--accent), 0 0 12px rgba(var(--accent-rgb), 0.2);
}

.chart-slider__range:active {
    cursor: grabbing;
}

/* Remove pseudo-elements - cleaner design */
.chart-slider__range::before,
.chart-slider__range::after {
    display: none;
}

/**
 * Handle - Sleeker, more modern design
 * - Smaller, more elegant
 * - Subtle glow on hover
 * - Premium feel with soft shadows
 */
.chart-slider__handle {
    position: absolute;
    top: 50%;
    width: 18px;
    height: 26px;
    background: var(--accent);
    border: none;
    border-radius: 4px;
    transform: translateY(-50%);
    cursor: grab;
    transition: transform 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
    z-index: 3;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15), 0 0 0 3px rgba(var(--accent-rgb), 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

/**
 * Handle grip icon - Minimalist design
 * - Subtle, clean appearance
 * - Barely visible but present
 */
.chart-slider__handle-icon {
    display: block;
    width: 4px;
    height: 10px;
    background: repeating-linear-gradient(
        to right,
        rgba(255, 255, 255, 0.5) 0px,
        rgba(255, 255, 255, 0.5) 1px,
        transparent 1px,
        transparent 2px
    );
    border-radius: 1px;
}

.chart-slider__handle:hover {
    transform: translateY(-50%) scale(1.08);
    background: var(--accent-hover);
    box-shadow: 0 2px 8px rgba(var(--accent-rgb), 0.4), 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}

.chart-slider__handle--left {
    left: -9px;
}

/**
 * Right handle - positioned at right edge of selection
 */
.chart-slider__handle--right {
    right: -9px;
    left: auto;
}

/**
 * Timeline labels - Clean, modern typography
 * - Minimal spacing
 * - Subtle color
 * - Responsive sizing
 */
.chart-slider__labels {
    position: relative;
    height: 20px;
    margin-top: 0.5rem;
}

.chart-slider__labels span {
    position: absolute;
    transform: translateX(-50%);
    font-size: clamp(0.625rem, 1vw, 0.75rem);
    font-weight: 400;
    color: var(--text-muted);
    white-space: nowrap;
    letter-spacing: 0.02em;
}

/**
 * Selected range text display - Card-like design
 * - Subtle background card
 * - Minimal padding
 * - Clean typography
 * - Smooth transitions
 */
.chart-slider__range-text {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 0.75rem;
    padding: clamp(0.5rem, 1vw, 0.75rem) clamp(0.75rem, 1.5vw, 1rem);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: clamp(0.75rem, 1vw, 0.875rem);
    color: var(--text-secondary);
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.chart-slider__range-text:hover {
    border-color: var(--border-light);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.chart-slider__range-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

/**
 * Dragging state - Enhanced feedback
 * - Subtle scale and shadow changes
 * - Smooth transitions
 */
.chart-slider--dragging {
    cursor: grabbing !important;
}

.chart-slider--dragging .chart-slider__range {
    cursor: grabbing;
    background: linear-gradient(to bottom, rgba(var(--accent-rgb), 0.2) 0%, rgba(var(--accent-rgb), 0.1) 100%);
    box-shadow: inset 0 0 0 1px var(--accent), 0 2px 12px rgba(var(--accent-rgb), 0.3);
}

.chart-slider--dragging .chart-slider__handle {
    transform: translateY(-50%) scale(1.15);
    box-shadow: 0 3px 10px rgba(var(--accent-rgb), 0.5), 0 0 0 3px rgba(var(--accent-rgb), 0.2);
}

/* ============================================================================
   SLIDER HANDLE DATE LABELS
   ============================================================================ */

/**
 * Date labels shown at slider handles
 * - Positioned ABOVE the handles (always visible, never clipped)
 * - Hidden by default, visible on hover/drag
 * - Clean, minimal design
 */
.chart-slider__handle-date {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 6px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    pointer-events: none;
    background: var(--bg-primary);
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid var(--border);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    z-index: 10;
    /* Hidden by default */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

/**
 * Left date label - same position (above handle)
 */
.chart-slider__handle-date--left {
    /* No special positioning needed - both are above */
}

/**
 * Right date label - same position (above handle)
 */
.chart-slider__handle-date--right {
    /* No special positioning needed - both are above */
}

/**
 * Show date labels on slider hover
 */
.chart-slider:hover .chart-slider__handle-date,
.chart-slider--dragging .chart-slider__handle-date {
    opacity: 1;
    visibility: visible;
}

/**
 * Show date labels on individual handle hover
 */
.chart-slider__handle:hover .chart-slider__handle-date {
    opacity: 1;
    visibility: visible;
}

/**
 * Active drag state - make labels more prominent
 */
.chart-slider--dragging .chart-slider__handle-date {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(var(--accent-rgb), 0.3);
}

/* ============================================================================
   SLIDER DARK/LIGHT MODE
   ============================================================================ */

/**
 * Dark mode adjustments
 * - Subtle background changes
 * - Adjusted shadows for dark environments
 * - Maintained contrast
 */
.dark .chart-slider__track,
html.dark .chart-slider__track {
    background: var(--bg-tertiary);
    border-color: var(--border-light);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.dark .chart-slider__inactive,
html.dark .chart-slider__inactive {
    background: rgba(0, 0, 0, 0.12);
}

.dark .chart-slider__range-text,
html.dark .chart-slider__range-text {
    background: var(--bg-tertiary);
    border-color: var(--border-light);
}

.dark .chart-slider__range-text:hover,
html.dark .chart-slider__range-text:hover {
    border-color: var(--border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.dark .chart-slider__handle,
html.dark .chart-slider__handle {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4), 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}

.dark .chart-slider__handle:hover,
html.dark .chart-slider__handle:hover {
    box-shadow: 0 2px 8px rgba(var(--accent-rgb), 0.5), 0 0 0 3px rgba(var(--accent-rgb), 0.2);
}

/* Dark mode for date labels */
.dark .chart-slider__handle-date,
html.dark .chart-slider__handle-date {
    background: var(--bg-tertiary);
    border-color: var(--border-light);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.dark .chart-slider--dragging .chart-slider__handle-date,
html.dark .chart-slider--dragging .chart-slider__handle-date {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

/**
 * Light mode overrides
 * - Subtle background for light theme
 * - Maintained readability
 */
.light .chart-slider__track,
html.light .chart-slider__track {
    background: var(--bg-secondary);
    border-color: var(--border);
}

.light .chart-slider__inactive,
html.light .chart-slider__inactive {
    background: rgba(0, 0, 0, 0.06);
}

/* ============================================================================
   SLIDER ACCESSIBILITY
   ============================================================================ */

/**
 * Accessibility - Focus states
 * - Clear focus indicators for keyboard navigation
 */
.chart-slider__handle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ==========================================================================
   Compact Slider Variant (for modals and mobile)
   ========================================================================== */

.chart-slider--compact {
    margin-top: 0.75rem;
}

.chart-slider--compact .chart-slider__track {
    height: 32px;
}

.chart-slider--compact .chart-slider__handle {
    width: 14px;
    height: 22px;
}

.chart-slider--compact .chart-slider__handle-icon {
    width: 3px;
    height: 10px;
}

.chart-slider--compact .chart-slider__handle-date {
    font-size: 0.6rem;
    padding: 2px 5px;
    margin-bottom: 4px;
}

.chart-slider--compact .chart-slider__labels {
    font-size: 0.6rem;
    margin-top: 0.25rem;
}

/* Builder Modal Price History Specific */
.product-details-modal__price-history .chart-slider {
    margin-top: 0.5rem;
    /* Slightly less padding in compact modal */
    padding: 0 10px;
}

.product-details-modal__price-history .chart-slider__track {
    height: 28px;
}

.product-details-modal__price-history .chart-slider__handle {
    width: 12px;
    height: 20px;
}

.product-details-modal__price-history .chart-slider__handle--left {
    left: -6px;
}

.product-details-modal__price-history .chart-slider__handle--right {
    right: -6px;
}

.product-details-modal__price-history .chart-slider__handle-date {
    font-size: 0.55rem;
    padding: 2px 4px;
    margin-bottom: 3px;
}

.product-details-modal__price-history .chart-slider__labels {
    font-size: 0.55rem;
    height: 16px;
}