/**
 * Sketch UI System - Premium Glassmorphism Components
 *
 * A declarative UI system for p5.js sketches with smooth animations,
 * beautiful glassmorphism styling, and reactive data binding.
 */

/* ==========================================================================
   CSS Custom Properties (extend existing design tokens)
   ========================================================================== */

:root {
    /* Sketch UI specific tokens */
    --sui-panel-blur: 24px;
    --sui-panel-saturation: 3;
    --sui-panel-bg-dark: linear-gradient(165deg, rgba(38, 38, 52, 0.92) 0%, rgba(28, 28, 40, 0.90) 100%);
    --sui-panel-bg-light: linear-gradient(165deg, rgba(255, 255, 255, 0.92) 0%, rgba(248, 248, 252, 0.90) 100%);
    --sui-panel-border: rgba(255, 255, 255, 0.12);
    --sui-panel-border-top: rgba(255, 255, 255, 0.18);
    --sui-panel-shadow: 0 8px 32px rgba(0, 0, 0, 0.25), 0 0 1px rgba(255, 255, 255, 0.1);

    /* Compact spacing tokens */
    --sui-spacing-xs: 2px;
    --sui-spacing-sm: 5px;
    --sui-spacing-md: 8px;
    --sui-spacing-lg: 10px;
    --sui-spacing-xl: 14px;

    --sui-radius-sm: 4px;
    --sui-radius-md: 6px;
    --sui-radius-lg: 10px;

    --sui-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --sui-transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --sui-transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Color tokens */
    --sui-text-primary: rgba(255, 255, 255, 0.95);
    --sui-text-secondary: rgba(255, 255, 255, 0.6);
    --sui-text-tertiary: rgba(255, 255, 255, 0.4);
    --sui-accent: rgb(160, 218, 0);
    --sui-accent-rgb: 160, 218, 0;
    --sui-accent-glow: rgba(160, 218, 0, 0.3);
    --sui-surface: rgba(255, 255, 255, 0.06);
    --sui-surface-hover: rgba(255, 255, 255, 0.1);
    --sui-surface-active: rgba(255, 255, 255, 0.14);
    --sui-divider: rgba(255, 255, 255, 0.08);

    /* Slider tokens */
    --sui-slider-track-height: 3px;
    --sui-slider-thumb-size: 14px;
    --sui-slider-track-bg: rgba(255, 255, 255, 0.12);
    --sui-slider-fill-bg: var(--sui-accent);
}

/* Light theme overrides */
.theme-light {
    --sui-panel-bg-dark: var(--sui-panel-bg-light);
    --sui-panel-border: rgba(0, 0, 0, 0.08);
    --sui-panel-border-top: rgba(255, 255, 255, 0.8);
    --sui-panel-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 0 1px rgba(0, 0, 0, 0.1);

    --sui-text-primary: rgba(0, 0, 0, 0.9);
    --sui-text-secondary: rgba(0, 0, 0, 0.55);
    --sui-text-tertiary: rgba(0, 0, 0, 0.35);
    --sui-accent: rgb(130, 180, 0);
    --sui-accent-rgb: 130, 180, 0;
    --sui-accent-glow: rgba(130, 180, 0, 0.25);
    --sui-surface: rgba(0, 0, 0, 0.04);
    --sui-surface-hover: rgba(0, 0, 0, 0.07);
    --sui-surface-active: rgba(0, 0, 0, 0.1);
    --sui-divider: rgba(0, 0, 0, 0.06);
    --sui-slider-track-bg: rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   UI Container (prevents shadow clipping)
   ========================================================================== */

/* Ensure parent containers don't clip the UI */
.sketch-placeholder,
.sketch-wrapper,
.preview-container {
    overflow: visible !important;
}

.sketch-ui-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 50;
    overflow: visible;
}

/* ==========================================================================
   Panel Container
   ========================================================================== */

.sketch-ui-panel {
    position: absolute;
    z-index: 100;
    min-width: 180px;
    max-width: 280px;

    /* Glassmorphism */
    background: var(--sui-panel-bg-dark);
    backdrop-filter: blur(var(--sui-panel-blur)) saturate(var(--sui-panel-saturation));
    -webkit-backdrop-filter: blur(var(--sui-panel-blur)) saturate(var(--sui-panel-saturation));

    /* Borders & shadows */
    border: 1px solid var(--sui-panel-border);
    border-top: 1px solid var(--sui-panel-border-top);
    border-radius: var(--sui-radius-lg);
    box-shadow: var(--sui-panel-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);

    /* Typography */
    font-family: var(--ui-font, 'IBM Plex Sans', -apple-system, sans-serif);
    font-size: 12px;
    color: var(--sui-text-primary);

    /* Animation */
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: opacity var(--sui-transition-normal),
                transform var(--sui-transition-spring),
                max-height var(--sui-transition-normal),
                min-width var(--sui-transition-normal);

    /* Prevent text selection */
    user-select: none;
    -webkit-user-select: none;

    /* Allow pointer events on panel */
    pointer-events: auto;

    overflow: hidden;
}

/* Collapsed state - minimal width */
.sketch-ui-panel.collapsed {
    min-width: 0;
}

/* Panel entrance animation */
.sketch-ui-panel.entering {
    opacity: 0;
    transform: translateY(-8px) scale(0.97);
}

/* Panel exit animation */
.sketch-ui-panel.hiding {
    opacity: 0;
    transform: translateY(-8px) scale(0.97);
    pointer-events: none;
}

/* Panel hidden state */
.sketch-ui-panel.hidden {
    display: none;
}

/* Panel style-none: transparent container */
.sketch-ui-panel.style-none {
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    box-shadow: none;
}

/* Panel positions */
.sketch-ui-panel.position-top-left {
    top: var(--sui-spacing-lg);
    left: var(--sui-spacing-lg);
}

.sketch-ui-panel.position-top-right {
    top: var(--sui-spacing-lg);
    right: var(--sui-spacing-lg);
}

.sketch-ui-panel.position-bottom-left {
    bottom: var(--sui-spacing-lg);
    left: var(--sui-spacing-lg);
}

.sketch-ui-panel.position-bottom-right {
    bottom: var(--sui-spacing-lg);
    right: var(--sui-spacing-lg);
}

.sketch-ui-panel.position-left {
    top: 50%;
    left: var(--sui-spacing-lg);
    transform: translateY(-50%);
}

.sketch-ui-panel.position-right {
    top: 50%;
    right: var(--sui-spacing-lg);
    transform: translateY(-50%);
}

/* ==========================================================================
   Panel Header (with collapse toggle)
   ========================================================================== */

.sketch-ui-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sui-spacing-md) var(--sui-spacing-lg);
    cursor: pointer;
    border-bottom: 1px solid transparent;
    transition: border-color var(--sui-transition-fast);
}

.sketch-ui-panel.collapsed .sketch-ui-panel-header {
    border-bottom-color: transparent;
}

.sketch-ui-panel:not(.collapsed) .sketch-ui-panel-header {
    border-bottom-color: var(--sui-divider);
}

.sketch-ui-panel-title {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--sui-text-tertiary);
    margin: 0;
}

.sketch-ui-panel-toggle {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
    transition: opacity var(--sui-transition-fast), transform var(--sui-transition-spring);
}

.sketch-ui-panel-header:hover .sketch-ui-panel-toggle {
    opacity: 0.8;
}

.sketch-ui-panel-toggle svg {
    width: 12px;
    height: 12px;
}

.sketch-ui-panel.collapsed .sketch-ui-panel-toggle {
    transform: rotate(-90deg);
}

/* ==========================================================================
   Panel Body (collapsible content)
   ========================================================================== */

.sketch-ui-panel-body {
    display: flex;
    flex-direction: column;
    gap: var(--sui-spacing-md);
    padding: var(--sui-spacing-lg);
    padding-top: var(--sui-spacing-md);
    max-height: 1000px;
    opacity: 1;
    transition: max-height var(--sui-transition-normal),
                opacity var(--sui-transition-fast),
                padding var(--sui-transition-fast);
}

.sketch-ui-panel.collapsed .sketch-ui-panel-body {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
    overflow: hidden;
}

/* Panel body without header (permanent panels) */
.sketch-ui-panel-body.no-header {
    padding-top: var(--sui-spacing-lg);
}

/* ==========================================================================
   Panel Tabs
   ========================================================================== */

.sketch-ui-tabs-container {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: calc(-1 * var(--sui-spacing-md));
}

.sketch-ui-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--sui-divider);
    margin-bottom: var(--sui-spacing-md);
}

.sketch-ui-tab {
    flex: 1;
    padding: var(--sui-spacing-sm) var(--sui-spacing-md);
    font-size: 10px;
    font-weight: 500;
    color: var(--sui-text-tertiary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    cursor: pointer;
    transition: all var(--sui-transition-fast);
    text-align: center;
    white-space: nowrap;
}

.sketch-ui-tab:hover {
    color: var(--sui-text-secondary);
}

.sketch-ui-tab.active {
    color: var(--sui-accent);
    border-bottom-color: var(--sui-accent);
}

.sketch-ui-tab-content {
    display: none;
}

.sketch-ui-tab-content.active {
    display: flex;
    flex-direction: column;
    gap: var(--sui-spacing-md);
}

/* ==========================================================================
   Graph Component (time series)
   ========================================================================== */

.sketch-ui-graph {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sketch-ui-graph-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sketch-ui-graph-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--sui-text-primary);
}

.sketch-ui-graph-value {
    font-size: 11px;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    color: var(--sui-text-secondary);
}

.sketch-ui-graph-container {
    position: relative;
    background: var(--sui-surface);
    border-radius: var(--sui-radius-sm);
    overflow: hidden;
}

.sketch-ui-graph-canvas {
    display: block;
    width: 100%;
}

.sketch-ui-graph-axis-labels {
    position: absolute;
    top: 2px;
    right: 3px;
    bottom: 2px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    pointer-events: none;
}

.sketch-ui-graph-axis-label {
    font-size: 8px;
    color: var(--sui-text-tertiary);
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   Slider Component (compact)
   ========================================================================== */

.sketch-ui-slider {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sketch-ui-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.sketch-ui-slider-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--sui-text-primary);
    display: flex;
    align-items: center;
    gap: 3px;
}

/* Greek letter styling */
.sketch-ui-slider-label .greek {
    font-family: 'Times New Roman', CMSerif, serif;
    font-style: italic;
    font-size: 14px;
}

.sketch-ui-slider-value {
    font-size: 11px;
    font-weight: 500;
    color: var(--sui-text-secondary);
    font-variant-numeric: tabular-nums;
    min-width: 40px;
    text-align: right;
    transition: color var(--sui-transition-fast);
}

.sketch-ui-slider:hover .sketch-ui-slider-value,
.sketch-ui-slider.active .sketch-ui-slider-value {
    color: var(--sui-accent);
}

.sketch-ui-slider-unit {
    font-size: 10px;
    color: var(--sui-text-tertiary);
}

/* Track container */
.sketch-ui-slider-track-container {
    position: relative;
    height: 18px;
    display: flex;
    align-items: center;
    cursor: pointer;
    touch-action: none;
}

/* Background track */
.sketch-ui-slider-track {
    position: absolute;
    left: 0;
    right: 0;
    height: var(--sui-slider-track-height);
    background: var(--sui-slider-track-bg);
    border-radius: calc(var(--sui-slider-track-height) / 2);
    overflow: hidden;
}

/* Filled portion */
.sketch-ui-slider-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: var(--sui-slider-fill-bg);
    border-radius: calc(var(--sui-slider-track-height) / 2);
    transition: width 0.05s linear;
}

/* Glow effect on fill */
.sketch-ui-slider-fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 10px;
    background: radial-gradient(ellipse at right, var(--sui-accent-glow) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--sui-transition-fast);
}

.sketch-ui-slider:hover .sketch-ui-slider-fill::after,
.sketch-ui-slider.active .sketch-ui-slider-fill::after {
    opacity: 1;
}

/* Thumb */
.sketch-ui-slider-thumb {
    position: absolute;
    top: 50%;
    width: var(--sui-slider-thumb-size);
    height: var(--sui-slider-thumb-size);
    background: var(--sui-accent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.3),
                0 0 0 2px rgba(255, 255, 255, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transition: transform var(--sui-transition-spring),
                box-shadow var(--sui-transition-fast);
    cursor: grab;
}

.sketch-ui-slider-thumb:hover {
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.35),
                0 0 0 2px rgba(255, 255, 255, 0.15),
                0 0 12px var(--sui-accent-glow),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.sketch-ui-slider.active .sketch-ui-slider-thumb {
    cursor: grabbing;
    transform: translate(-50%, -50%) scale(1.2);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4),
                0 0 0 2px rgba(255, 255, 255, 0.2),
                0 0 20px var(--sui-accent-glow),
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   Toggle Component (compact)
   ========================================================================== */

.sketch-ui-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 0;
    cursor: pointer;
}

.sketch-ui-toggle-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--sui-text-primary);
}

.sketch-ui-toggle-track {
    position: relative;
    width: 32px;
    height: 18px;
    background: var(--sui-surface);
    border-radius: 9px;
    border: 1px solid var(--sui-divider);
    transition: background var(--sui-transition-fast),
                border-color var(--sui-transition-fast);
}

.sketch-ui-toggle.active .sketch-ui-toggle-track {
    background: var(--sui-accent);
    border-color: var(--sui-accent);
}

.sketch-ui-toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: transform var(--sui-transition-spring);
}

.sketch-ui-toggle.active .sketch-ui-toggle-thumb {
    transform: translateX(14px);
}

.sketch-ui-toggle:hover .sketch-ui-toggle-thumb {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25),
                0 0 8px var(--sui-accent-glow);
}

/* ==========================================================================
   Button Component (3D press effect matching fold buttons)
   ========================================================================== */

.sketch-ui-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sui-spacing-sm);
    padding: var(--sui-spacing-sm) var(--sui-spacing-lg);

    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--sui-radius-md);
    box-shadow: 0px 3px 0px rgba(0, 0, 0, 0.25),
                0 0 20px inset rgba(255, 255, 255, 0.05),
                0 0 3px inset rgba(255, 255, 255, 0.1);

    font-family: inherit;
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);

    cursor: pointer;
    transform: translateY(0);
    transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.15s ease, color 0.15s ease;
    outline: none;
    -webkit-appearance: none;
}

.sketch-ui-button:hover {
    background: rgba(255, 255, 255, 0.08);
    color: white;
}

.sketch-ui-button:active {
    transform: translateY(3px);
    box-shadow: 0px 0px 0px rgba(0, 0, 0, 0.25),
                0 0 20px inset rgba(255, 255, 255, 0.05),
                0 0 3px inset rgba(255, 255, 255, 0.1);
}

/* Primary button variant */
.sketch-ui-button.primary {
    background: var(--sui-accent);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    color: #000;
    font-weight: 600;
    box-shadow: 0px 3px 0px rgba(0, 0, 0, 0.3),
                0 0 20px inset rgba(255, 255, 255, 0.1);
}

.sketch-ui-button.primary:hover {
    filter: brightness(1.1);
}

.sketch-ui-button.primary:active {
    transform: translateY(3px);
    box-shadow: 0px 0px 0px rgba(0, 0, 0, 0.3),
                0 0 20px inset rgba(255, 255, 255, 0.1);
}

/* Light theme buttons */
.theme-light .sketch-ui-button {
    background: #eeeeee;
    border-top: 1px solid white;
    box-shadow: 0px 3px 0px rgba(0, 0, 0, 0.12),
                0 0 20px inset rgba(255, 255, 255, 0.9),
                0 0 3px inset rgba(255, 255, 255, 0.9);
    color: rgba(0, 0, 0, 0.65);
}

.theme-light .sketch-ui-button:hover {
    background: #e8e8e8;
    color: rgba(0, 0, 0, 0.85);
}

.theme-light .sketch-ui-button:active {
    box-shadow: 0px 0px 0px rgba(0, 0, 0, 0.12),
                0 0 20px inset rgba(255, 255, 255, 0.9),
                0 0 3px inset rgba(255, 255, 255, 0.9);
}

/* Icon in button */
.sketch-ui-button-icon {
    width: 14px;
    height: 14px;
    opacity: 0.8;
}

.sketch-ui-button-icon svg {
    width: 100%;
    height: 100%;
}

/* Icon-only button (square, just icon, no label) */
.sketch-ui-button.icon-only {
    width: 32px;
    height: 32px;
    padding: 0;
    justify-content: center;
    align-items: center;
}

.sketch-ui-button.icon-only .sketch-ui-button-icon {
    width: 16px;
    height: 16px;
    opacity: 0.9;
}

.sketch-ui-button.icon-only:hover .sketch-ui-button-icon {
    opacity: 1;
}

/* ==========================================================================
   Select Component (compact)
   ========================================================================== */

.sketch-ui-select {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sketch-ui-select-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--sui-text-primary);
}

.sketch-ui-select-control {
    position: relative;
}

.sketch-ui-select-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--sui-spacing-sm) var(--sui-spacing-md);

    background: var(--sui-surface);
    border: 1px solid var(--sui-divider);
    border-radius: var(--sui-radius-md);

    font-family: inherit;
    font-size: 12px;
    color: var(--sui-text-primary);
    text-align: left;

    cursor: pointer;
    transition: all var(--sui-transition-fast);
    outline: none;
}

.sketch-ui-select-button:hover {
    background: var(--sui-surface-hover);
}

.sketch-ui-select.open .sketch-ui-select-button {
    border-color: var(--sui-accent);
}

.sketch-ui-select-arrow {
    width: 10px;
    height: 10px;
    opacity: 0.5;
    transition: transform var(--sui-transition-fast);
}

.sketch-ui-select.open .sketch-ui-select-arrow {
    transform: rotate(180deg);
}

/* Dropdown menu */
.sketch-ui-select-dropdown {
    position: absolute;
    top: calc(100% + 3px);
    left: 0;
    right: 0;

    background: var(--sui-panel-bg-dark);
    backdrop-filter: blur(20px) saturate(2);
    -webkit-backdrop-filter: blur(20px) saturate(2);

    border: 1px solid var(--sui-panel-border);
    border-radius: var(--sui-radius-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);

    padding: 3px;
    z-index: 10;

    opacity: 0;
    transform: translateY(-6px) scale(0.96);
    pointer-events: none;
    transition: opacity var(--sui-transition-fast),
                transform var(--sui-transition-spring);
}

.sketch-ui-select.open .sketch-ui-select-dropdown {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.sketch-ui-select-option {
    padding: var(--sui-spacing-sm) var(--sui-spacing-md);
    border-radius: var(--sui-radius-sm);
    font-size: 12px;
    cursor: pointer;
    transition: background var(--sui-transition-fast);
}

.sketch-ui-select-option:hover {
    background: var(--sui-surface-hover);
}

.sketch-ui-select-option.selected {
    background: rgba(var(--sui-accent-rgb), 0.15);
    color: var(--sui-accent);
}

/* ==========================================================================
   Radio Group Component (compact)
   ========================================================================== */

.sketch-ui-radio {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sketch-ui-radio-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--sui-text-primary);
    margin-bottom: 2px;
}

.sketch-ui-radio-options {
    display: flex;
    gap: 2px;
}

.sketch-ui-radio-option {
    flex: 1;
    padding: 4px 6px;

    background: var(--sui-surface);
    border: 1px solid var(--sui-divider);
    border-radius: var(--sui-radius-sm);

    font-size: 11px;
    font-weight: 500;
    color: var(--sui-text-secondary);
    text-align: center;

    cursor: pointer;
    transition: all var(--sui-transition-fast);
}

.sketch-ui-radio-option:hover {
    background: var(--sui-surface-hover);
    color: var(--sui-text-primary);
}

.sketch-ui-radio-option.selected {
    background: rgba(var(--sui-accent-rgb), 0.15);
    border-color: var(--sui-accent);
    color: var(--sui-accent);
}

/* ==========================================================================
   Display Component (read-only value, compact)
   ========================================================================== */

.sketch-ui-display {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 1px 0;
}

.sketch-ui-display-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--sui-text-secondary);
}

.sketch-ui-display-value {
    font-size: 12px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--sui-text-primary);
    transition: color var(--sui-transition-fast);
}

.sketch-ui-display-unit {
    font-size: 10px;
    font-weight: 500;
    color: var(--sui-text-tertiary);
}

.sketch-ui-display-value.changing {
    color: var(--sui-accent);
}

/* ==========================================================================
   Gauge Component (compact)
   ========================================================================== */

.sketch-ui-gauge {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sketch-ui-gauge-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.sketch-ui-gauge-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--sui-text-primary);
}

.sketch-ui-gauge-value {
    font-size: 11px;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    color: var(--sui-text-secondary);
}

.sketch-ui-gauge-track {
    height: 4px;
    background: var(--sui-slider-track-bg);
    border-radius: 2px;
    overflow: hidden;
}

.sketch-ui-gauge-fill {
    height: 100%;
    background: var(--sui-accent);
    border-radius: 2px;
    transition: width 0.1s ease-out;
}

.sketch-ui-gauge-fill.gradient {
    background: linear-gradient(90deg,
        hsl(160, 70%, 45%) 0%,
        hsl(80, 70%, 50%) 50%,
        hsl(0, 70%, 55%) 100%);
    background-size: 200% 100%;
}

/* ==========================================================================
   Indicator Component (status light, compact)
   ========================================================================== */

.sketch-ui-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 1px 0;
}

.sketch-ui-indicator-light {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--sui-text-tertiary);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3);
    transition: background var(--sui-transition-fast),
                box-shadow var(--sui-transition-fast);
}

.sketch-ui-indicator.on .sketch-ui-indicator-light {
    background: var(--sui-accent);
    box-shadow: 0 0 6px var(--sui-accent-glow),
                inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

.sketch-ui-indicator-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--sui-text-secondary);
    transition: color var(--sui-transition-fast);
}

.sketch-ui-indicator.on .sketch-ui-indicator-label {
    color: var(--sui-text-primary);
}

/* ==========================================================================
   Legend Component (compact)
   ========================================================================== */

.sketch-ui-legend {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.sketch-ui-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.sketch-ui-legend-color {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    flex-shrink: 0;
}

.sketch-ui-legend-label {
    font-size: 11px;
    color: var(--sui-text-secondary);
}

/* ==========================================================================
   Separator Component
   ========================================================================== */

.sketch-ui-separator {
    height: 1px;
    background: var(--sui-divider);
    margin: 3px 0;
}

/* ==========================================================================
   Label Component (static text)
   ========================================================================== */

.sketch-ui-label {
    font-size: 11px;
    color: var(--sui-text-secondary);
    line-height: 1.4;
}

.sketch-ui-label.small {
    font-size: 10px;
    color: var(--sui-text-tertiary);
}

.sketch-ui-label .katex {
    font-size: 1.1em;
}

/* ==========================================================================
   Collapse Component (compact)
   ========================================================================== */

.sketch-ui-collapse {
    display: flex;
    flex-direction: column;
}

.sketch-ui-collapse-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0;
    cursor: pointer;
    transition: color var(--sui-transition-fast);
}

.sketch-ui-collapse-header:hover {
    color: var(--sui-text-primary);
}

.sketch-ui-collapse-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--sui-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sketch-ui-collapse-icon {
    width: 12px;
    height: 12px;
    opacity: 0.5;
    transition: transform var(--sui-transition-spring);
}

.sketch-ui-collapse.open .sketch-ui-collapse-icon {
    transform: rotate(180deg);
}

.sketch-ui-collapse-content {
    display: flex;
    flex-direction: column;
    gap: var(--sui-spacing-md);
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height var(--sui-transition-normal),
                opacity var(--sui-transition-fast);
}

.sketch-ui-collapse.open .sketch-ui-collapse-content {
    max-height: 400px;
    opacity: 1;
    padding-top: 4px;
}

/* ==========================================================================
   Standalone Components (positioned individually without panel)
   ========================================================================== */

.sketch-ui-standalone {
    position: absolute;
    z-index: 100;
    pointer-events: auto;

    /* Typography */
    font-family: var(--ui-font, 'IBM Plex Sans', -apple-system, sans-serif);
    font-size: 12px;
    color: var(--sui-text-primary);

    /* Animation */
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: opacity var(--sui-transition-normal),
                transform var(--sui-transition-spring);

    /* Prevent text selection */
    user-select: none;
    -webkit-user-select: none;
}

.sketch-ui-standalone.entering {
    opacity: 0;
    transform: translateY(-4px) scale(0.98);
}

.sketch-ui-standalone.hiding {
    opacity: 0;
    transform: translateY(-4px) scale(0.98);
    pointer-events: none;
}

.sketch-ui-standalone.hidden {
    display: none;
}

/* Standalone positions */
.sketch-ui-standalone.position-top-left {
    top: var(--sui-spacing-lg);
    left: var(--sui-spacing-lg);
}

.sketch-ui-standalone.position-top-right {
    top: var(--sui-spacing-lg);
    right: var(--sui-spacing-lg);
}

.sketch-ui-standalone.position-bottom-left {
    bottom: var(--sui-spacing-lg);
    left: var(--sui-spacing-lg);
}

.sketch-ui-standalone.position-bottom-right {
    bottom: var(--sui-spacing-lg);
    right: var(--sui-spacing-lg);
}

.sketch-ui-standalone.position-top-center {
    top: var(--sui-spacing-lg);
    left: 50%;
    transform: translateX(-50%);
}

.sketch-ui-standalone.position-bottom-center {
    bottom: var(--sui-spacing-lg);
    left: 50%;
    transform: translateX(-50%);
}

.sketch-ui-standalone.position-left {
    top: 50%;
    left: var(--sui-spacing-lg);
    transform: translateY(-50%);
}

.sketch-ui-standalone.position-right {
    top: 50%;
    right: var(--sui-spacing-lg);
    transform: translateY(-50%);
}

/* Glass style - full glassmorphism container */
.sketch-ui-standalone.style-glass {
    background: var(--sui-panel-bg-dark);
    backdrop-filter: blur(var(--sui-panel-blur)) saturate(var(--sui-panel-saturation));
    -webkit-backdrop-filter: blur(var(--sui-panel-blur)) saturate(var(--sui-panel-saturation));
    border: 1px solid var(--sui-panel-border);
    border-top: 1px solid var(--sui-panel-border-top);
    border-radius: var(--sui-radius-lg);
    box-shadow: var(--sui-panel-shadow);
    padding: var(--sui-spacing-md) var(--sui-spacing-lg);
}

/* None style - no container styling, component stands alone */
/* (no additional styles needed - component uses its own styling) */

/* Standalone button should look self-contained */
.sketch-ui-standalone .sketch-ui-button {
    margin: 0;
}

/* Standalone toggle - ensure gap between label and track */
.sketch-ui-standalone .sketch-ui-toggle {
    gap: var(--sui-spacing-lg);
}

/* Standalone legend - compact layout */
.sketch-ui-standalone .sketch-ui-legend {
    gap: var(--sui-spacing-xs);
}

/* Standalone display - ensure gap between label and value */
.sketch-ui-standalone .sketch-ui-display {
    gap: var(--sui-spacing-lg);
    min-width: 80px;
}

/* Standalone gauge - needs width */
.sketch-ui-standalone .sketch-ui-gauge {
    min-width: 80px;
}

/* Standalone indicator - ensure gap */
.sketch-ui-standalone .sketch-ui-indicator {
    gap: var(--sui-spacing-sm);
}

/* Standalone slider - needs width */
.sketch-ui-standalone .sketch-ui-slider {
    min-width: 140px;
}

/* Standalone select - needs width */
.sketch-ui-standalone .sketch-ui-select {
    min-width: 100px;
}

/* Standalone radio - needs width */
.sketch-ui-standalone .sketch-ui-radio {
    min-width: 120px;
}

/* Standalone graph - needs dimensions */
.sketch-ui-standalone .sketch-ui-graph {
    min-width: 160px;
}

/* ==========================================================================
   Fullscreen Adjustments
   ========================================================================== */

.sketch-fullscreen .sketch-ui-panel,
.sketch-fullscreen .sketch-ui-standalone {
    position: fixed;
}

/* ==========================================================================
   Accessibility & Focus States
   ========================================================================== */

.sketch-ui-slider:focus-within .sketch-ui-slider-thumb {
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.3),
                0 0 0 2px rgba(var(--sui-accent-rgb), 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.sketch-ui-button:focus-visible,
.sketch-ui-toggle:focus-visible,
.sketch-ui-select-button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--sui-accent),
                0 0 0 4px rgba(var(--sui-accent-rgb), 0.3);
}

@media (prefers-reduced-motion: reduce) {
    .sketch-ui-panel,
    .sketch-ui-slider-thumb,
    .sketch-ui-toggle-thumb,
    .sketch-ui-button,
    .sketch-ui-collapse-content,
    .sketch-ui-panel-body {
        transition-duration: 0.01ms !important;
    }

    .sketch-ui-panel.entering {
        transform: none;
    }
}

/* ==========================================================================
   Print Styles (hide UI when printing)
   ========================================================================== */

@media print {
    .sketch-ui-panel {
        display: none !important;
    }
}