/*! 
 * StyleUI CSS Bundle
 * License: MIT
 */

/* --- variables.css --- */
/**
 * StyleUI Styles - CSS Custom Properties
 * This file defines all design tokens for the application.
 */

/* Shoelace Component Theme Override */
:root {
    --sl-tooltip-background-color: #1a1a1a;
    --sl-tooltip-color: #ffffff;
    --accent-rgb: 181, 211, 182;
    --header-height: 60px;
    --footer-height: 60px;
}

/* CSS Custom Properties */
:root {
    /* Typography */
    --font-family-base: var(--font-system);
    --font-system: Inter, 'Noto Sans SC', PingFang SC, 'Microsoft YaHei', Heiti SC, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    
    /* Colors - Light Mode (Original Style Guide) */
    --bg-layer-0: #a8a8a0;
    --bg-layer-1: #b4b4ac;
    --bg-layer-2: #c0c0b8;
    --bg-layer-3: #9c9c94;
    --bg-layer-4: #90908c;      /* Darkest background */
    
    --text-primary: #424242;
    --text-secondary: #616161;
    --text-tertiary: #757575;
    --text-quaternary: #9e9e9e;
    --text-disabled: #bdbdbd;
    --text-placeholder: #e0e0e0;
    
    --border-color: #9e9e9e00;
    --border-strong: #bdbdbd;
    
    /* Accent Colors (Original Style Guide) */
    --default-accent: #b5d3b6;
    --default-accent-hover: #9fc5a1;
    --default-accent-dark: #2c592d;
    --accent: var(--default-accent);
    --accent-hover: var(--default-accent-hover);
    --accent-text: var(--default-accent-dark);
    
    /* Semantic Colors (Pastel) */
    --primary: #b3d9ff;      /* Soft Blue - Primary actions */
    --success: #b8e6b8;      /* Soft Green - Success states */
    --warning: #ffe4a3;      /* Soft Amber - Warnings */
    --error: #ffb3ba;        /* Soft Red - Errors */
    --info: #d4c5f9;         /* Soft Purple - Information */
    --neutral: #e8e3d9;      /* Soft Beige - Neutral */

    /* RGBA versions for transparent backgrounds */
    --primary-rgba: 179, 217, 255;
    --success-rgba: 184, 230, 184;
    --warning-rgba: 255, 228, 163;
    --error-rgba: 255, 179, 186;
    --info-rgba: 212, 197, 249;

    /* Semantic Hover Colors */
    --primary-hover: #a1c9e8;
    --success-hover: #a6d4a6;
    --warning-hover: #e8d193;
    --error-hover: #e8a1a8;
    --info-hover: #c2b3e1;

    /* Dark Semantic Colors for Text */
    --primary-dark: #0059b3;
    --success-dark: #1e7e34;
    --warning-dark: #856404;
    --error-dark: #721c24;
    --info-dark: #492a7c;
    
    /* Component-Specific Variables */
    --input-background: var(--bg-layer-2);
    --input-background-focus: var(--bg-layer-3);
    --range-track-background: var(--bg-layer-3);

    /* Greyscale Colors */
    --grey-50: #fafafa;
    --grey-100: #f5f5f5;
    --grey-200: #eeeeee;
    --grey-300: #e0e0e0;
    --grey-400: #bdbdbd;
    --grey-500: #9e9e9e;
    --grey-600: #757575;
    --grey-700: #616161;
    --grey-800: #424242;
    --grey-900: #212121;
    
    /* Component Dimensions */
    --nav-width: 300px;
    --nav-width-mobile: 280px;
    --card-min-width: 350px;
    --card-header-min-height: 60px;
    --icon-size-sm: 16px;
    --icon-size-md: 20px;
    --icon-size-lg: 32px;
    --spinner-size-sm: 20px;
    --spinner-size-md: 32px;
    --spinner-size-lg: 48px;
    
    /* Overlay Colors */
    --overlay-light: rgba(0, 0, 0, 0.05);
    --overlay-medium: rgba(0, 0, 0, 0.08);
    --overlay-backdrop: rgba(0, 0, 0, 0.5);
    --overlay-light-dark: rgba(255, 255, 255, 0.05);
    --overlay-medium-dark: rgba(255, 255, 255, 0.08);
    
    /* Animation Durations */
    --duration-toast: 5000ms;
    --duration-modal: 300ms;
    
    /* Font Sizes (Original Style Guide) */
    --font-size-3xs: 0.5rem; /* New size for tiny tags */
    --font-size-2xs: 0.625rem;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    
    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Typography Controls */
    --h1-letter-spacing: -0.02em;
    --h2-letter-spacing: -0.015em;
    --h3-letter-spacing: -0.01em;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing */
    --space-0: 0;
    --space-px: 1px;
    --space-0-5: 0.125rem;
    --space-1: 0.25rem;
    --space-1-5: 0.375rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* Breakpoints */
    --breakpoint-lg: 1400px;
    --breakpoint-md: 1024px;
    --breakpoint-sm: 768px;

    /* Motion variables */
    --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Accessibility */
    --focus-ring: var(--accent);
}

/* Dark Theme */
body.dark {
    /* Dark tinted backgrounds - inverted and darkened */
    --bg-layer-0: #2a2a28;
    --bg-layer-1: #242422;
    --bg-layer-2: #1e1e1c;
    --bg-layer-3: #323230;
    --bg-layer-4: #161614;      /* Darkest background */
    
    /* Dimmed text colors for dark theme */
    --text-primary: #bbbbbb;
    --text-secondary: #8c8c8c;
    --text-tertiary: #6c6c6c;
    --text-quaternary: #4d4d4d;
    --text-disabled: #3e3e3e;
    --text-placeholder: #323232;
    
    /* Darker borders for dark theme */
    --border-color: #4a4a4a;
    --border-strong: #5a5a5a;
    
    /* Same accent colors - they work in both themes */
    /* Accent colors are already designed to work on both light and dark backgrounds */
    
    /* Slightly adjusted semantic colors for dark theme - just enough to maintain readability */
    --primary: #8fc2f0;      /* Slightly darker blue */
    --success: #9bd69b;      /* Slightly darker green */
    --warning: #f0d490;      /* Slightly darker amber */
    --error: #f09ba2;        /* Slightly darker red */
    --info: #bbb0e6;         /* Slightly darker purple */
    --neutral: #d6d1c7;      /* Slightly darker beige */
    
    /* Semantic Hover Colors (Dark Theme) */
    --primary-hover: #7dafd8;
    --success-hover: #89c489;
    --warning-hover: #d8bf82;
    --error-hover: #d88990;
    --info-hover: #a99ed4;

    /* Dark Semantic Colors for Text (Dark Theme) */
    --primary-dark: #5c9ccc;
    --success-dark: #6abf69;
    --warning-dark: #d1b160;
    --error-dark: #d17d83;
    --info-dark: #9a8ec8;

    /* Component-Specific Variables */
    --input-background: var(--bg-layer-2);
    --input-background-focus: var(--bg-layer-4);
    --range-track-background: var(--bg-layer-4);

    /* Inverted grey scale for dark theme */
    --grey-50: #212121;
    --grey-100: #424242;
    --grey-200: #616161;
    --grey-300: #757575;
    --grey-400: #9e9e9e;
    --grey-500: #bdbdbd;
    --grey-600: #e0e0e0;
    --grey-700: #eeeeee;
    --grey-800: #f5f5f5;
    --grey-900: #fafafa;
    
    /* Adjusted overlay colors for dark theme */
    --overlay-light: rgba(255, 255, 255, 0.05);
    --overlay-medium: rgba(255, 255, 255, 0.08);
    --overlay-backdrop: rgba(0, 0, 0, 0.7);
}

/* Theme Tinting System - Only affects background colors, not accent */

/* Tint background colors in light theme */
[data-tint="primary"]:not(.dark) {
    --bg-layer-0: #a8b0c0;
    --bg-layer-1: #b4bcc8;
    --bg-layer-2: #c0c8d4;
    --bg-layer-3: #9ca4b4;
    --bg-layer-4: #9098a8;
}

[data-tint="success"]:not(.dark) {
    --bg-layer-0: #a8b8a8;
    --bg-layer-1: #b4c4b4;
    --bg-layer-2: #c0d0c0;
    --bg-layer-3: #9cac9c;
    --bg-layer-4: #90a090;
}

[data-tint="warning"]:not(.dark) {
    --bg-layer-0: #c0b8a0;
    --bg-layer-1: #ccc4ac;
    --bg-layer-2: #d8d0b8;
    --bg-layer-3: #b4ac94;
    --bg-layer-4: #a8a088;
}

[data-tint="error"]:not(.dark) {
    --bg-layer-0: #c0a8ac;
    --bg-layer-1: #ccb4b8;
    --bg-layer-2: #d8c0c4;
    --bg-layer-3: #b49ca0;
    --bg-layer-4: #a89094;
}

[data-tint="info"]:not(.dark) {
    --bg-layer-0: #b0a8c0;
    --bg-layer-1: #bcb4cc;
    --bg-layer-2: #c8c0d8;
    --bg-layer-3: #a49cb4;
    --bg-layer-4: #9890a8;
}

[data-tint="neutral"]:not(.dark) {
    --bg-layer-0: #b0aca8;
    --bg-layer-1: #bcb8b4;
    --bg-layer-2: #d0ccc8;
    --bg-layer-3: #a4a09c;
    --bg-layer-4: #989490;
}

/* Tint background colors in dark theme */
[data-tint="primary"].dark {
    --bg-layer-0: #2a2c30;
    --bg-layer-1: #24262a;
    --bg-layer-2: #1e2024;
    --bg-layer-3: #323438;
    --bg-layer-4: #16181a;
}

[data-tint="success"].dark {
    --bg-layer-0: #2a302a;
    --bg-layer-1: #242a24;
    --bg-layer-2: #1e241e;
    --bg-layer-3: #323832;
    --bg-layer-4: #161a16;
}

[data-tint="warning"].dark {
    --bg-layer-0: #302e2a;
    --bg-layer-1: #2a2824;
    --bg-layer-2: #24221e;
    --bg-layer-3: #383632;
    --bg-layer-4: #1a1816;
}

[data-tint="error"].dark {
    --bg-layer-0: #302a2a;
    --bg-layer-1: #2a2424;
    --bg-layer-2: #241e1e;
    --bg-layer-3: #383232;
    --bg-layer-4: #1a1616;
}

[data-tint="info"].dark {
    --bg-layer-0: #2c2a30;
    --bg-layer-1: #26242a;
    --bg-layer-2: #201e24;
    --bg-layer-3: #343238;
    --bg-layer-4: #18161a;
}

[data-tint="neutral"].dark {
    --bg-layer-0: #2c2c2a;
    --bg-layer-1: #262624;
    --bg-layer-2: #20201e;
    --bg-layer-3: #343432;
    --bg-layer-4: #181816;
} 

body.spacing-compact {
    --space-1: 0.125rem;
    --space-1-5: 0.25rem;
    --space-2: 0.375rem;
    --space-3: 0.5rem;
    --space-4: 0.75rem;
    --space-5: 1rem;
    --space-6: 1.25rem;
    --space-8: 1.5rem;
    --space-10: 2rem;
    --space-12: 2.5rem;
    --space-16: 3rem;
    --space-20: 4rem;
    --space-24: 5rem;
} 
/* --- base.css --- */
/**
 * StyleUI Styles - Base
 * This file contains foundational styles for the entire application,
 * including typography, resets, accessibility features, and global element styling.
 */

/*------------------------------------*\
    #BASE STYLES
\*------------------------------------*/

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-system);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-layer-0);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/*------------------------------------*\
    #TYPOGRAPHY
\*------------------------------------*/

/* Typography styles are now in css/typography.css */

/*------------------------------------*\
    #SCROLLBAR
\*------------------------------------*/

/* Firefox */
/*------------------------------------*\
    #ACCESSIBILITY & DEFAULTS
\*------------------------------------*/

.btn:focus-visible,
.nav-item:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.color-swatch:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
}

:dir(rtl) .nav-panel {
    left: auto;
    right: var(--space-4);
}
:dir(rtl) .control-panel {
    right: auto;
    left: var(--space-4);
}
:dir(rtl) .main-content {
    margin-left: calc(320px + var(--space-8));
    margin-right: calc(var(--nav-width) + var(--space-8));
}
:dir(rtl) body:has(.nav-panel.collapsed) .main-content {
    margin-right: calc(64px + var(--space-8));
}
:dir(rtl) body:has(.control-panel.collapsed) .main-content {
    margin-left: calc(64px + var(--space-8));
} 

/*------------------------------------*\
    #LAYOUT UTILITIES
\*------------------------------------*/
.d-flex {
    display: flex;
}
.gap-8 {
    gap: var(--space-8);
}
.align-items-start {
    align-items: flex-start;
}
.flex-1 {
    flex: 1;
} 

/*------------------------------------*\\
    #MAIN LAYOUT
\\*------------------------------------*/

.style-guide-layout {
    display: flex;
}

.left-panel {
    width: 280px;
    flex-shrink: 0;
    height: calc(100vh - var(--header-height) - var(--footer-height) - (var(--space-4) * 2));
    position: fixed;
    top: calc(var(--header-height) + var(--space-4));
    left: var(--space-4);
    border-radius: 0;
    border-right: none;
    transition: width var(--transition-base), left var(--transition-base);
    background-color: transparent;
    box-shadow: none;
    z-index: 10;
    display: flex;
    flex-direction: column;
    /* Dim accent color locally for tree edges */
    --accent: rgba(var(--accent-rgb), 0.4);
}

.left-panel .panel-header {
    display: none;
}

.left-panel .panel-body {
    background: transparent;
    padding: 0;
}

.right-panel {
    width: 280px;
    height: calc(100vh - var(--header-height) - var(--footer-height) - (var(--space-4) * 2));
    position: fixed;
    top: calc(var(--header-height) + var(--space-4));
    right: var(--space-4);
    border-radius: var(--radius-lg);
    background-color: var(--bg-layer-0);
    border: 1px solid var(--border-color);
    z-index: 10;
    display: none;
    flex-direction: column;
}

.right-panel .panel-header {
    background: var(--bg-layer-2);
}

.right-panel .panel-body {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.left-panel .tree-node-label {
    cursor: pointer;
    transition: background-color var(--transition-base), color var(--transition-base);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
}

.left-panel .tree-node-label:hover {
    background-color: var(--bg-layer-2);
    color: var(--text-primary);
}

.main-container {
    flex-grow: 1;
    padding: calc(var(--header-height) + var(--space-8)) var(--space-8) calc(var(--footer-height) + var(--space-8));
    max-width: 1400px;
    margin-left: calc(15vw + var(--space-8));
    margin-right: var(--space-8);
    transition: margin-left var(--transition-base), margin-right var(--transition-base);
}

#collapsed-navigation-container {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding-top: var(--space-4);
}

#collapsed-navigation-container .nav-divider {
    width: 70%;
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--space-2) auto;
}

/* Collapsed State */
.style-guide-layout.collapsed .left-panel {
    width: calc(56px + var(--space-4));
}

.style-guide-layout.collapsed .main-container {
    margin-left: var(--space-8);
}

.style-guide-layout.collapsed + .footer-panel {
    left: 50vw;
}

.style-guide-layout.collapsed #navigation-tree-container {
    display: none;
}

.style-guide-layout.collapsed #collapsed-navigation-container {
    display: flex;
}

#collapsed-settings-container {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding-top: var(--space-4);
}

/* Right Panel Collapsed State */
.style-guide-layout.right-collapsed .right-panel {
    width: 80px;
}

.style-guide-layout.right-collapsed .main-container {
    margin-right: calc(80px + var(--space-4));
}

.style-guide-layout.right-collapsed .right-panel .panel-title-text,
.style-guide-layout.right-collapsed .right-panel #settings-container {
    display: none;
}

.style-guide-layout.right-collapsed .right-panel #collapsed-settings-container {
    display: block;
}

/* Initially hide the collapsed container */
#collapsed-settings-container {
    display: none;
}

.style-guide-layout.collapsed .left-panel .panel-title-text {
    display: none;
}

.style-guide-layout.collapsed .left-panel .panel-header {
    justify-content: center;
}

header {
    margin-bottom: var(--space-8);
} 

/*------------------------------------*\
    #IN-PAGE NAVIGATION OFFSET
\*------------------------------------*/

/* Ensure section headers are not hidden behind the fixed header when using anchor links */
section[id^="section-"],
.group-header {
    scroll-margin-top: calc(var(--header-height) + var(--space-4));
} 
/* --- typography.css --- */
/**
 * StyleUI Styles - Typography
 * This file contains all typography-related styles.
 */

/*------------------------------------*\
    #TYPOGRAPHY
\*------------------------------------*/

body {
    font-family: var(--font-family-base);
    color: var(--text-primary);
    line-height: var(--line-height-normal);
}

body.font-mono {
    --font-family-base: var(--font-mono);
}

/* Standardize Lucide icon stroke width and color */
.lucide, [data-lucide] {
    stroke-width: var(--icon-stroke-width, 1.5);
    width: var(--icon-size, 20px);
    height: var(--icon-size, 20px);
    color: currentColor;
    vertical-align: middle;
}

body.icons-large {
    --icon-size: 24px;
}

body.icons-thick-stroke {
    --icon-stroke-width: 2;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-semibold);
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1.font-mono, h2.font-mono, h3.font-mono, h4.font-mono, h5.font-mono, h6.font-mono {
    font-family: var(--font-mono);
}

h1 { 
    font-size: calc(var(--text-4xl) * 4); 
    font-family: 'Inter', var(--font-system);
    font-weight: 800;
    letter-spacing: var(--h1-letter-spacing);
    font-kerning: normal;
    font-feature-settings: "kern" 1;
    text-rendering: optimizeLegibility;
    margin-top: var(--space-2);
    margin-bottom: -80px;
}

h2 { 
    font-size: calc(var(--text-3xl) * 2); 
    font-family: 'Inter', var(--font-system);
    font-weight: 700;
    letter-spacing: var(--h2-letter-spacing);
    font-kerning: normal;
    font-feature-settings: "kern" 1;
    text-rendering: optimizeLegibility;
    width: fit-content;
    margin-top: var(--space-20); /* extra gap between sections */
}

/* Larger spacing before each group header and section */
.group-header {
    margin-top: var(--space-24);
}

section[id^="section-"] > h2:first-child {
    margin-top: var(--space-20);
}

h3 { 
    font-size: calc(var(--text-3xl) * 1.5); 
    font-family: 'Inter', var(--font-system);
    font-weight: 600;
    letter-spacing: var(--h3-letter-spacing);
    font-kerning: normal;
    font-feature-settings: "kern" 1;
    text-rendering: optimizeLegibility;
}

h4 { font-size: calc(var(--text-xl) * 1.5); }
h5 { 
    font-size: calc(var(--text-lg)* 1.5);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid var(--overlay-light);
    margin-top: var(--space-24);
    margin-bottom: var(--space-6);
}
h6 { font-size: calc(var(--text-base) * 1.2); }

p {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    max-width: 65ch;
}

p.lead {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--text-primary);
    font-weight: var(--font-normal);
}

p.small {
    font-size: var(--text-sm);
    line-height: 1.6;
    color: var(--text-tertiary);
}

a {
    color: var(--text-primary);
    text-decoration: underline;
    text-decoration-color: var(--overlay-medium);
    text-underline-offset: 2px;
    transition: all var(--transition-fast);
    background-color: var(--overlay-light);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-lg);
    border: 1px solid var(--overlay-medium);
    font-weight: var(--font-bold);
    display: inline-block;
    white-space: nowrap;
    vertical-align: middle;
    width: fit-content;
    margin: 0 var(--space-2) var(--space-2) 0;
}

a:hover {
    color: var(--text-primary);
    background-color: var(--accent);
    border-color: var(--accent);
}

code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background-color: var(--bg-layer-4);
    border: 1px solid var(--overlay-medium);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-lg);
    display: inline-block;
    white-space: nowrap;
    vertical-align: middle;
    width: fit-content;
    margin: 0 var(--space-2) var(--space-2) 0;
}

pre {
    font-family: var(--font-mono);
    background-color: var(--bg-layer-2);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: none;
    overflow-x: auto;
    margin-bottom: var(--space-4);
}

mark {
    background-color: var(--warning);
    border: 1px solid var(--warning);
    color: var(--grey-800);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-lg);
    display: inline-block;
    white-space: nowrap;
    vertical-align: middle;
    width: fit-content;
    margin: 0 var(--space-2) var(--space-2) 0;
}

kbd {
    background-color: var(--overlay-light);
    border: 1px solid var(--overlay-medium);
    border-bottom-width: 3px;
    border-radius: var(--radius-lg);
    padding: var(--space-1) var(--space-3);
    font-family: var(--font-mono);
    font-size: 0.875em;
    display: inline-block;
    white-space: nowrap;
    vertical-align: middle;
    width: fit-content;
    margin: 0 var(--space-2) var(--space-2) 0;
}

abbr[title] {
    text-decoration: underline dotted;
    cursor: help;
    border-bottom: 1px dotted var(--text-tertiary);
    text-decoration: none;
}

del {
    color: var(--text-tertiary);
    text-decoration: line-through;
    opacity: 0.7;
    padding: 0 var(--space-1);
}

ins {
    color: var(--text-secondary);
    text-decoration: none;
    background-color: rgba(200, 230, 201, 0.2);
    border-bottom: 2px solid rgba(200, 230, 201, 0.5);
    padding: var(--space-1) var(--space-2);
    display: inline-block;
    white-space: nowrap;
    vertical-align: middle;
    width: fit-content;
    margin: 0 var(--space-2) var(--space-2) 0;
}

var {
    font-family: var(--font-mono);
    font-style: italic;
    color: var(--text-secondary);
    background-color: var(--overlay-light);
    border: 1px solid var(--overlay-medium);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-lg);
    display: inline-block;
    white-space: nowrap;
    vertical-align: middle;
    width: fit-content;
    margin: 0 var(--space-2) var(--space-2) 0;
}

samp {
    font-family: var(--font-mono);
    background-color: var(--overlay-light);
    border: 1px solid var(--overlay-medium);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-lg);
    display: inline-block;
    white-space: nowrap;
    vertical-align: middle;
    width: fit-content;
    margin: 0 var(--space-2) var(--space-2) 0;
}

cite {
    font-style: italic;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent);
    padding-left: var(--space-2);
    display: inline-block;
    white-space: nowrap;
    vertical-align: middle;
    width: fit-content;
    margin: 0 var(--space-2) var(--space-2) 0;
}

q {
    font-style: italic;
    color: var(--text-secondary);
    display: inline-block;
    white-space: nowrap;
    vertical-align: middle;
    width: fit-content;
    margin: 0 var(--space-2) var(--space-2) 0;
}

/*------------------------------------*\
    #UTILITY CLASSES
\*------------------------------------*/

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.font-mono { font-family: var(--font-mono); }
.font-bold { font-weight: var(--font-bold); }
.font-semibold { font-weight: var(--font-semibold); }
.font-medium { font-weight: var(--font-medium); }
.font-light { font-weight: var(--font-light); }
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.625; }
.leading-loose { line-height: 2; } 

/*------------------------------------*\\
#CALLOUTS
\\*------------------------------------*/

.callout {
    display: flex;
    align-items: flex-start;
    padding: var(--space-4);
    margin: var(--space-4) 0;
    border-radius: var(--radius-lg);
    border: 1px solid;
    gap: var(--space-3);
}

.callout .icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.callout p {
    margin: 0;
}

.callout-info {
    background-color: var(--bg-layer-2);
    border-color: var(--overlay-medium);
    color: var(--text-primary);
}
.callout-info .icon {
    color: var(--text-secondary);
}

.callout-success {
    background-color: rgba(var(--success-rgba), 0.5);
    border-color: rgba(var(--success-rgba), 0.3);
    color: var(--success-dark);
}
.callout-success .icon {
    color: var(--text-secondary);
}

.callout-warning {
    background-color: rgba(var(--warning-rgba), 0.5);
    border-color: rgba(var(--warning-rgba), 0.3);
    color: var(--warning-dark);
}
.callout-warning .icon {
    color: var(--text-secondary);
}

.callout-error {
    background-color: rgba(var(--error-rgba), 0.5);
    border-color: rgba(var(--error-rgba), 0.3);
    color: var(--error-dark);
}
.callout-error .icon {
    color: var(--text-secondary);
} 

.callout-accent {
    background-color: rgba(var(--info-rgba), 0.5);
    border-color: rgba(var(--info-rgba), 0.3);
    color: var(--info-dark);
}
.callout-accent .icon {
    color: var(--accent-text);
} 

/*------------------------------------*\\
#TABLES
\\*------------------------------------*/

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: var(--space-6);
    background-color: var(--bg-layer-1);
    border: 1px solid var(--overlay-light);
    border-radius: var(--radius-lg);
}

table th,
table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--overlay-light);
}

table thead th {
    background-color: var(--bg-layer-2);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    border-bottom-width: 2px;
}

table tbody tr:last-child th,
table tbody tr:last-child td {
    border-bottom: 0;
}

table tbody tr:hover {
    background-color: var(--bg-layer-2);
}

table th:first-child {
    border-top-left-radius: var(--radius-lg);
}

table th:last-child {
    border-top-right-radius: var(--radius-lg);
}

table tr:last-child td:first-child {
    border-bottom-left-radius: var(--radius-lg);
}

table tr:last-child td:last-child {
    border-bottom-right-radius: var(--radius-lg);
}

tbody tr:nth-of-type(odd) {
    background-color: var(--bg-layer-0);
}
tbody tr:nth-of-type(odd):hover {
    background-color: var(--bg-layer-2);
}

.scrollbar-demo-container {
    height: 200px;
    overflow: auto;
    border: 1px solid var(--border-color);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    background-color: var(--bg-layer-3);
    margin-top: var(--space-4);
}

.scrollbar-demo-container .wide-content {
    width: 150%;
    padding: var(--space-2);
}

.scrollbar-demo-horizontal {
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
}

.scrollbar-demo-both {
    overflow: auto;
}

.scrollbar-demo-styled {
    background-color: var(--bg-layer-4);
    color: var(--text-primary);
} 
/* --- animations.css --- */
/**
 * StyleUI Styles - Animations
 * A centralized library of keyframes and animation utility classes.
 */

/*------------------------------------*\
    #KEYFRAMES
\*------------------------------------*/

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

@keyframes slideInUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

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

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

@keyframes press {
    from { transform: scale(1); }
    to { transform: scale(0.95); }
}

@keyframes progress {
    from { width: 100%; }
    to { width: 0%; }
}

/*------------------------------------*\
    #ANIMATION UTILITIES
\*------------------------------------*/

.anim-fadeIn {
    animation: fadeIn var(--transition-base) ease-out;
}

.anim-fadeOut {
    animation: fadeOut var(--transition-base) ease-out;
}

.anim-slideInUp {
    animation: slideInUp var(--transition-base) ease-out;
}

.anim-slideInRight {
    animation: slideInRight var(--transition-base) ease-out;
}

.anim-slideOutRight {
    animation: slideOutRight var(--transition-base) ease-out;
}

/*------------------------------------*\
    #TRANSITION UTILITIES
\*------------------------------------*/

/* Apply to any element to get a smooth transition on all properties */
.transition-all {
    transition: all var(--transition-base) ease;
} 
/* --- button.css --- */
/**
 * StyleUI Styles - Button
 * Component-specific styles for buttons.
 */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    line-height: 1;
    color: var(--text-primary);
    background-color: var(--bg-layer-2);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
}

.btn.icon-only {
    padding: var(--space-2);
}

.btn:hover:not(:disabled) {
    background-color: var(--accent);
    transform: translateY(-1px);
}

.btn i,
.btn svg {
    width: var(--icon-size-md);
    height: var(--icon-size-md);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Ghost Button Style */
.btn-ghost {
    background-color: transparent;
    border-color: transparent;
    font-weight: var(--font-normal);
}

.btn-ghost:hover {
    background-color: var(--overlay-light);
    border-color: transparent;
    color: var(--text-primary);
}

.btn-ghost.selected {
    background-color: var(--accent);
    color: var(--accent-text);
}

.btn-ghost.selected:hover {
    background-color: var(--accent-hover);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-dark);
}

.btn-success {
    background-color: var(--success);
    color: var(--success-dark);
}

.btn-warning {
    background-color: var(--warning);
    color: var(--warning-dark);
}

.btn-error {
    background-color: var(--error);
    color: var(--error-dark);
}

.btn-info {
    background-color: var(--info);
    color: var(--info-dark);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}
.btn-success:hover:not(:disabled) {
    background-color: var(--success-hover);
}
.btn-warning:hover:not(:disabled) {
    background-color: var(--warning-hover);
}
.btn-error:hover:not(:disabled) {
    background-color: var(--error-hover);
}
.btn-info:hover:not(:disabled) {
    background-color: var(--info-hover);
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-lg);
}

.btn.active {
    background-color: var(--accent);
    color: var(--grey-800);
}

.btn-primary.active {
    background-color: var(--primary);
    color: var(--primary-dark);
}

.btn-success.active {
    background-color: var(--success);
    color: var(--success-dark);
}

.btn-warning.active {
    background-color: var(--warning);
    color: var(--warning-dark);
}

.btn-error.active {
    background-color: var(--error);
    color: var(--error-dark);
}

.btn-info.active {
    background-color: var(--info);
    color: var(--info-dark);
}

/* Swatch Button */
.btn-swatch {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-swatch:hover {
    transform: scale(1.1);
    border-color: var(--border-strong);
}

.btn-swatch:focus {
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
} 
/* --- card.css --- */
/**
 * StyleUI Styles - Card
 * Component-specific styles for cards.
 */

.card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--bg-layer-1);
    border: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    width: 100%;
    margin-bottom: var(--space-6);
    /* Transitions and shadows are now handled by .interactive-lift or other utilities */
}

.card-header {
    padding: var(--space-8);
    background: var(--bg-layer-2);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: nowrap;
    min-height: 60px;
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    cursor: pointer;
}

.card-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex: 1;
    min-width: 0;
    white-space: nowrap;
}

.card-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.card-icon {
    width: var(--icon-size-md);
    height: var(--icon-size-md);
    flex-shrink: 0;
}

.card-title {
    margin: 0;
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    line-height: 1.4;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-action-btn {
    flex-shrink: 0;
}

.card-body {
    padding: var(--space-8);
    background: var(--bg-layer-2);
    transition: max-height var(--transition-base), opacity var(--transition-base), padding var(--transition-base);
    overflow: hidden;
}

.card.collapsed .card-body {
    max-height: 0;
    opacity: 0;
    padding: 0 var(--space-8);
}

.card-footer {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
    padding: var(--space-4) var(--space-8);
    background: var(--bg-layer-2);
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}

.section .card-header::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-left: auto;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.section .card.collapsed .card-header::after {
    transform: rotate(-90deg);
}

.card-description {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: var(--line-height-relaxed);
}

/* Nested card styles */
.card .card {
    background: var(--bg-layer-2);
    margin-bottom: 0;
}

.card .card .card-header,
.card .card .card-body,
.card .card .card-footer {
    background: var(--bg-layer-3);
} 
/* --- panel.css --- */
/**
 * StyleUI Styles - Panel
 * Component-specific styles for panels.
 */

.panel {
    background: var(--bg-layer-0);
    border-radius: var(--radius-lg);
    overflow: visible;
    box-shadow: var(--shadow-sm);
    /* transition and transform are now handled by .interactive-lift */
}

.main-container .panel {
    margin-bottom: var(--space-6);
    margin-top: var(--space-6);
}

.panel.panel--active {
    z-index: 10;
}

.panel-header {
    background: var(--bg-layer-2);
    padding: var(--space-4); /* Reduced from space-6 */
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    transition: border-radius var(--transition-base);
}

.panel-header .panel-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: var(--font-semibold);
    margin: 0;
    font-size: var(--text-base); /* Reduced from text-lg */
    color: var(--text-primary);
}

.panel-header .panel-actions {
    display: flex;
    gap: var(--space-2);
    margin-left: auto;
}

.panel-body {
    padding: var(--space-6);
    background: var(--bg-layer-1);
    overflow-y: auto;
    position: relative;
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}

.panel-collapsible .panel-body {
    transition: max-height var(--transition-base);
    overflow: hidden;
}

.panel-collapsed .panel-body {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.panel-collapsed .panel-header {
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}

.panel-toggle .lucide {
    transition: transform var(--transition-base);
}

.panel-collapsed .panel-toggle .lucide {
    transform: rotate(-90deg);
} 
/* --- modal.css --- */
/**
 * StyleUI Styles - Modal
 * Component-specific styles for modals.
 */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.modal-backdrop.show {
    opacity: 1;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--bg-layer-0);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    z-index: var(--z-modal);
    opacity: 0;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.modal.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.modal-sm {
    max-width: 300px;
}

.modal-lg {
    max-width: 800px;
}

/*
 * Override card footer styles when inside a modal for a cleaner look.
 * This removes the separate background and integrates the actions into the main modal body.
 */
.modal .card-footer {
    /* background-color: transparent; */
    padding-top: 0;
}

.modal .card {
    margin-bottom: 0;
} 
/* --- toast.css --- */
/**
 * StyleUI Styles - Toast
 * Component-specific styles for toast notifications.
 */

.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-tooltip);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 300px;
    max-width: 500px;
    padding: var(--space-4);
    background: var(--bg-layer-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    pointer-events: all;
    /* Animation is now handled by utility classes */
}

.toast.hiding {
    /* The .anim-slideOutRight class will be added by JS to trigger the hiding animation */
}

.toast-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-message {
    flex: 1;
    font-size: var(--text-sm);
}

.toast-close {
    flex-shrink: 0;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.toast-close:hover {
    opacity: 1;
}

.toast-action {
    margin-left: var(--space-3);
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: currentColor;
    opacity: 0.3;
    animation: progress var(--toast-duration, 5000ms) linear;
}

.toast-success {
    background: var(--success);
    color: var(--grey-800);
}

.toast-error {
    background: var(--error);
    color: var(--grey-800);
}

.toast-warning {
    background: var(--warning);
    color: var(--grey-800);
}

.toast-info {
    background: var(--info);
    color: var(--grey-800);
} 
/* --- tag.css --- */
/**
 * StyleUI Styles - Tag
 * Component-specific styles for tags/badges.
 */

.tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-2xs);
    font-weight: var(--font-bold);
    line-height: 1.4;
    color: var(--text-secondary);
    background-color: var(--bg-layer-1);
    border: 0px solid var(--overlay-medium);
    border-radius: var(--radius-md);
    white-space: nowrap;
    user-select: none;
    margin: 0; /* Remove margin to let container handle spacing */
}

.tag .lucide {
    width: 1.5em;
    height: 1.5em;
}

/* Color Variants */
.tag-primary {
    background-color: var(--primary);
    color: var(--primary-dark);
}
.tag-success {
    background-color: var(--success);
    color: var(--success-dark);
}
.tag-warning {
    background-color: var(--warning);
    color: var(--warning-dark);
}
.tag-error {
    background-color: var(--error);
    color: var(--error-dark);
}
.tag-info {
    background-color: var(--info);
    color: var(--info-dark);
}
.tag-neutral {
    background-color: var(--neutral);
    color: var(--text-primary);
}
.tag-accent {
    background-color: var(--accent);
    color: var(--bg-layer-0);
}
.tag-dim {
    background-color: var(--bg-layer-3);
    color: var(--text-secondary);
}


/* Size Variants */
.tag-lg {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-base);
}

.tag-icon-only {
    padding: var(--space-2);
    border-radius: var(--radius-full);
} 
/* --- colors.css --- */
/**
 * StyleUI Styles - Colors
 * Styles for the color chips in the style guide.
 */

.demo-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.color-chip {
    width: auto;
    height: 80px;
    border-radius: var(--radius-lg);
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
    display: flex;
    flex-direction: column; /* Stack name and hex vertically */
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-2);
    cursor: pointer;
}

.color-chip:active {
    animation: press 0.1s ease-out forwards;
}

.color-chip-name {
    font-weight: var(--font-semibold);
}

.color-chip-hex {
    font-size: var(--text-xs);
    opacity: 0.7;
    margin-top: var(--space-1);
} 
/* --- tree.css --- */
/**
 * StyleUI Styles - Tree
 * Component-specific styles for tree views with connecting lines.
 */

.tree {
    list-style: none;
    padding: 0;
    position: relative;
}

.tree-item {
    position: relative;
    padding-left: var(--space-6); /* Indent all items */
}

/* --- Guide Lines --- */
/* Vertical connector */
.tree-item::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 8px; /* Align with horizontal line */
    width: 1px;
    background: var(--overlay-medium);
    z-index: 0; /* Place behind horizontal line to avoid darker overlap */
}

/* Stop the vertical line at half height for the last child */
.tree-item:last-child::before {
    bottom: 50%;
}

/* Horizontal connector */
.tree-item::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 8px;
    width: 15px; /* Connect from edge to the content area */
    height: 1px;
    background: var(--overlay-medium);
    z-index: 1; /* Draw above the vertical line */
}

/* --- Content & Toggle --- */
.tree-item-content {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    border-radius: var(--radius-md);
    position: relative;
    justify-content: flex-start; /* Override .btn centering */
    /* Base styles inherited from .btn */
    padding: var(--space-2) 0 !important; /* Override button padding */

    /* Extend highlight background to full row width */
    width: 100%;
    padding-right: var(--space-3) !important;
}

/* Remove hover since it's handled by .btn-ghost */

/* --- Toggle Icon --- */
.tree-item-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: var(--space-1);
    transition: transform var(--transition-fast), background var(--transition-fast);
    flex-shrink: 0;
    margin-left: -4px; /* Adjust for increased size to align with lines */
    background: transparent; /* Default transparent */
    border-radius: var(--radius-sm);
    position: relative; /* Create stacking context */
    z-index: 1; /* Above edges */
}

.has-children > .tree-item-content > .tree-item-toggle {
    background: var(--bg-layer-0); /* Show bg only if has children */
}

/* Keep toggle transparent when row is selected or hovered */
.tree-item.selected > .tree-item-content > .tree-item-toggle,
.tree-item > .tree-item-content.selected > .tree-item-toggle,
.tree-item > .tree-item-content:hover > .tree-item-toggle {
    background: transparent;
}

.tree-item-toggle:hover {
    background: transparent;
}

.tree-item.collapsed > .tree-item-content > .tree-item-toggle {
    transform: rotate(-90deg);
}

.tree-item-toggle .lucide {
    width: 14px;
    height: 14px;
}

/* --- Snake Path & Selection Styling --- */
/* Selection is now handled by .btn-ghost.selected */

/* --- Children --- */
.tree-children {
    list-style: none;
    padding-left: 0;
    transition: max-height var(--transition-base);
    overflow: hidden;
    position: relative;
}

.tree-item.collapsed > .tree-children {
    max-height: 0;
} 

/* --- Edge Overlay Elements (Draw accent path from top to selection) --- */
.tree-edge-vertical,
.tree-edge-horizontal {
    position: absolute;
    background: var(--accent);
    pointer-events: none;
    z-index: 2;
} 

.tree-edge-dynamic {
    position: absolute;
    background: var(--accent);
    pointer-events: none;
    z-index: 0; /* Behind toggle */
} 

.tree-edge-base {
    position: absolute;
    background: var(--overlay-medium);
    pointer-events: none;
    z-index: -1;
}

/* Ensure connectors lie below dynamic edges */
.tree-item::before,
.tree-item::after {
    z-index: -1;
} 

/* Legacy pseudo-element connectors are no longer needed, hide them */
.tree-item::before,
.tree-item::after {
    background: transparent !important;
} 
/* --- menu.css --- */
/*------------------------------------*\\
#MENU
\\*------------------------------------*/

.menu {
    position: relative;
    display: inline-block;
}

.menu-trigger {
    /* Uses .btn styles */
}

.menu-panel {
    position: absolute;
    z-index: var(--z-dropdown);
    top: calc(100% + var(--space-1));
    left: 0;
    min-width: 220px;
    max-width: 100vw;
    max-height: 100vh;
    overflow: auto;
    background-color: var(--bg-layer-2);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-l);
    padding: var(--space-2);
    display: none; /* Hidden by default */
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    margin: var(--space-2);
}

.menu.menu--top .menu-panel {
    top: auto;
    bottom: calc(100% + var(--space-1));
    transform: translateY(10px);
}

.menu.menu--right .menu-panel {
    top: 0;
    left: calc(100% + var(--space-1));
    transform: translateX(-10px);
}
.menu.open.menu--right .menu-panel {
    transform: translateX(0);
}
.menu.menu--left .menu-panel {
    top: 0;
    left: auto;
    right: calc(100% + var(--space-1));
    transform: translateX(10px);
}
.menu.open.menu--left .menu-panel {
    transform: translateX(0);
}

.menu.open .menu-panel {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-s);
    cursor: pointer;
    font-size: var(--font-size-s);
    color: var(--text-secondary);
    white-space: nowrap;
}

.menu-item:hover {
    background-color: var(--background-hover);
    color: var(--text-primary);
}

.menu-item .lucide {
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
}

.menu-item:hover .lucide {
    color: var(--text-primary);
}

.menu-divider {
    height: 1px;
    background-color: var(--overlay-medium);
    margin: var(--space-2) 0;
}

.menu-shortcut {
    margin-left: auto;
}

/* Submenu Styles */
.menu-item.has-submenu {
    position: relative;
}

.menu-item.has-submenu > .menu-panel {
    top: calc(0% - var(--space-2));
    left: 100%;
    display: none;
    opacity: 0;
    transform: translateX(-10px);
}

.menu-item.has-submenu:hover > .menu-panel {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

.menu-item.has-submenu > .menu-panel {
    margin: 0;
}

.menu-item.has-submenu > .lucide-chevron-right {
    margin-left: auto;
}

/*------------------------------------*\\
#MENU BAR
\\*------------------------------------*/

.menu-bar {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    background-color: var(--bg-layer-2);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.menu-bar-vertical {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    background-color: var(--bg-layer-2);
    padding: var(--space-2);
    border-radius: var(--radius-lg);
}

/* Context Menu */
#context-menu-container {
    position: absolute;
    z-index: 1000;
    width: auto;
    height: auto;
}

#context-menu-container .menu-panel {
    display: block;
    position: relative;
    min-width: 180px;
} 
/* --- tooltip.css --- */
/*------------------------------------*\\
#TOOLTIP
\\*------------------------------------*/

.tooltip {
    position: absolute;
    z-index: var(--z-tooltip);
    background-color: var(--grey-800);
    color: var(--grey-100);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transform: translateY(5px) scale(0.95);
    transition: var(--transition-fast);
    transition-property: opacity, transform;
}

.tooltip.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.tooltip::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border: 5px solid transparent;
}

.tooltip--top::after {
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-top-color: var(--grey-800);
}

.tooltip--bottom::after {
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-bottom-color: var(--grey-800);
}

.tooltip--left::after {
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border-left-color: var(--grey-800);
}

.tooltip--right::after {
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    border-right-color: var(--grey-800);
} 
/* --- forms.css --- */
/*------------------------------------*\\
#FORMS
\\*------------------------------------*/

.form-group {
    margin-bottom: var(--space-4);
}

.form-group label {
    display: block;
    font-size: var(--font-size-s);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-s);
    font-family: var(--font-system);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--input-background);
    background-clip: padding-box;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.form-control:focus {
    outline: 0;
    background-color: var(--input-background-focus);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-4);
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-color);
}

/* Settings Panel Specific Styles */
.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
}

.setting-label {
    font-weight: var(--font-normal);
    color: var(--text-secondary);
}

.color-picker-trigger {
    width: 60px;
    height: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color-light);
    cursor: pointer;
}

.toggle-switch {
    appearance: none;
    width: 40px;
    height: 22px;
    background-color: var(--bg-layer-2);
    border-radius: 11px;
    position: relative;
    cursor: pointer;
    transition: background-color var(--transition-base);
}

.toggle-switch::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: white;
    top: 3px;
    left: 3px;
    transition: transform var(--transition-base);
}

.toggle-switch:checked {
    background-color: var(--accent);
}

.toggle-switch:checked::before {
    transform: translateX(18px);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
}

/*------------------------------------*\\
#CUSTOM SELECT
\\*------------------------------------*/

.custom-select {
    position: relative;
    display: block;
    width: 100%;
}

.custom-select-trigger {
    position: relative;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.custom-select-trigger::after {
    content: '';
    position: absolute;
    top: 50%;
    right: var(--space-3);
    width: 10px;
    height: 10px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    transform: translateY(-50%);
    pointer-events: none;
    transition: transform var(--transition-fast);
}

.custom-select.open .custom-select-trigger::after {
    transform: translateY(-50%) rotate(180deg);
}

.custom-select-panel {
    position: absolute;
    z-index: var(--z-dropdown);
    top: calc(100% + var(--space-1));
    left: 0;
    right: 0;
    max-height: 250px;
    overflow-y: auto;
    background-color: var(--bg-layer-0);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-l);
    padding: var(--space-2);
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.custom-select.open .custom-select-panel {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.custom-select-option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-s);
    cursor: pointer;
    font-size: var(--font-size-s);
    color: var(--text-secondary);
    white-space: nowrap;
}

.custom-select-option:hover {
    background-color: var(--background-hover);
    color: var(--text-primary);
}

.custom-select-option.selected {
    background-color: var(--accent);
    color: var(--accent-text);
    font-weight: var(--font-medium);
}

/*------------------------------------*\\
#THIRD-PARTY PICKERS THEME
\\*------------------------------------*/

/* VanillaJS Datepicker Theme */
.datepicker {
    background-color: var(--bg-layer-0) !important;
    border-radius: var(--radius-lg) !important;
    border: none !important;
    box-shadow: var(--shadow-l) !important;
    padding: var(--space-2) !important;
}
.datepicker-header, .datepicker-footer {
    background-color: transparent !important;
}
.datepicker-title, .datepicker-controls .button, .datepicker-view-switch, .dow, .datepicker-cell {
    color: var(--text-primary) !important;
    font-weight: var(--font-normal) !important;
}
.datepicker-cell.selected, .datepicker-cell.selected:hover {
    background: var(--accent) !important;
    color: var(--accent-text) !important;
}
.datepicker-cell:not(.disabled):not(.selected):hover {
    background: var(--background-hover) !important;
}
.datepicker-controls .button:hover {
    background: var(--background-hover) !important;
}

/* Vanilla Picker Theme */
.picker_wrapper {
    background: var(--bg-layer-0) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-l) !important;
    border: none !important;
    padding: var(--space-2) !important;
}
.picker_arrow::before, .picker_arrow::after {
    display: none !important;
}
.picker_sl, .picker_hue {
    border-radius: var(--radius-md) !important;
}
.picker_selector {
    border-width: 2px !important;
}

/*------------------------------------*\\
#CHECKBOXES & RADIOS
\\*------------------------------------*/

.check-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.checkbox, .radio {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    font-size: var(--font-size-s);
    color: var(--text-primary);
    -webkit-user-select: none;
    user-select: none;
}

.checkbox input, .radio input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkbox .checkmark, .radio .radiomark {
    position: relative;
    display: inline-block;
    width: 20px;
    height: 20px;
    background-color: var(--bg-layer-2);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
}

.checkbox .checkmark {
    border-radius: var(--radius-sm);
}

.radio .radiomark {
    border-radius: var(--radius-full);
}

.checkbox:hover input ~ .checkmark,
.radio:hover input ~ .radiomark {
    background-color: var(--bg-layer-4);
}

.checkbox input:checked ~ .checkmark,
.radio input:checked ~ .radiomark {
    background-color: var(--accent);
    border-color: transparent;
}

.checkmark::after, .radiomark::after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox input:checked ~ .checkmark::after,
.radio input:checked ~ .radiomark::after {
    display: block;
}

.checkmark::after {
    left: 6px;
    top: 3px;
    width: 7px;
    height: 12px;
    border: solid var(--accent-text);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.radio input:checked ~ .radiomark {
    background-color: var(--bg-layer-1);
}

.radiomark::after {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--accent);
}

.checkbox input:focus-visible ~ .checkmark,
.radio input:focus-visible ~ .radiomark {
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.2);
    border-color: transparent;
}

/* Semantic Colors */
.checkbox-primary input:checked ~ .checkmark { background-color: var(--primary); border-color: transparent; }
.checkbox-success input:checked ~ .checkmark { background-color: var(--success); border-color: transparent; }
.checkbox-warning input:checked ~ .checkmark { background-color: var(--warning); border-color: transparent; }
.checkbox-error input:checked ~ .checkmark { background-color: var(--error); border-color: transparent; }
.checkbox-info input:checked ~ .checkmark { background-color: var(--info); border-color: transparent; }

.radio-primary .radiomark::after { background-color: var(--primary); }
.radio-success .radiomark::after { background-color: var(--success); }
.radio-warning .radiomark::after { background-color: var(--warning); }
.radio-error .radiomark::after { background-color: var(--error); }
.radio-info .radiomark::after { background-color: var(--info); }

.radio-primary:hover input ~ .radiomark, .radio-primary input:checked ~ .radiomark { border-color: transparent; }
.radio-success:hover input ~ .radiomark, .radio-success input:checked ~ .radiomark { border-color: transparent; }
.radio-warning:hover input ~ .radiomark, .radio-warning input:checked ~ .radiomark { border-color: transparent; }
.radio-error:hover input ~ .radiomark, .radio-error input:checked ~ .radiomark { border-color: transparent; }
.radio-info:hover input ~ .radiomark, .radio-info input:checked ~ .radiomark { border-color: transparent; }

/* Specific input type styling */
input[type="range"].form-control {
    padding: 0;
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: var(--range-track-background);
    border-radius: var(--radius-full);
    outline: none;
    transition: opacity .2s;
}

input[type="range"].form-control::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    cursor: pointer;
    border-radius: var(--radius-full);
    border: 3px solid var(--bg-layer-1);
}

input[type="range"].form-control::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent);
    cursor: pointer;
    border-radius: var(--radius-full);
    border: 3px solid var(--bg-layer-1);
} 

h5 {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: var(--space-8) 0 var(--space-3) 0;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-color);
}

h5:first-of-type {
    margin-top: 0;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: var(--bg-layer-2);
    outline: none;
    border-radius: 2px;
    margin: var(--space-2) 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent);
    cursor: pointer;
    border-radius: 50%;
    border: 2px solid var(--bg-layer-0);
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--accent);
    cursor: pointer;
    border-radius: 50%;
    border: 2px solid var(--bg-layer-0);
}

.dark input[type="range"]::-webkit-slider-thumb {
    border-color: var(--bg-layer-1);
}

.dark input[type="range"]::-moz-range-thumb {
    border-color: var(--bg-layer-1);
} 

.setting-row, .setting-control-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-2) var(--space-3);
    width: 100%;
}

.setting-label {
    font-size: var(--font-size-sm);
    color: var(--text-color-primary);
}

.tree .setting-control-container {
    padding: var(--space-1) 0;
}

.tree .setting-control-container .setting-label {
    flex-grow: 1;
}

.tree .tree-item-content > .setting-control-container {
    padding-left: 0;
    padding-right: 0;
}

/* Ensure controls in tree don't get squished */
.tree .form-control, .tree .toggle-switch, .tree .color-picker-trigger {
    flex-shrink: 0;
    min-width: 100px;
}

.tree .toggle-switch {
    min-width: 40px;
}

.tree .color-picker-trigger {
    min-width: 60px;
} 

.label-on-right {
    flex-direction: row-reverse;
    justify-content: flex-end;
    gap: var(--space-3);
} 
/* --- icons.css --- */
/*------------------------------------*\\
#ICONS
\\*------------------------------------*/

.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    background-color: var(--bg-layer-1);
    transition: background-color var(--transition-fast);
}

.icon-item:hover {
    background-color: var(--bg-layer-2);
}

.icon-item .lucide {
    width: 32px;
    height: 32px;
}

.icon-item-name {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-align: center;
}

/* Colored Icons */
.lucide.icon-primary {
    color: rgb(var(--primary-rgba));
    fill: rgba(var(--primary-rgba), 0.2);
}
.lucide.icon-success {
    color: rgb(var(--success-rgba));
    fill: rgba(var(--success-rgba), 0.2);
}
.lucide.icon-warning {
    color: rgb(var(--warning-rgba));
    fill: rgba(var(--warning-rgba), 0.2);
}
.lucide.icon-error {
    color: rgb(var(--error-rgba));
    fill: rgba(var(--error-rgba), 0.2);
}
.lucide.icon-info {
    color: rgb(var(--info-rgba));
    fill: rgba(var(--info-rgba), 0.2);
}
.lucide.icon-accent {
    color: rgb(var(--accent-rgb));
    fill: rgba(var(--accent-rgb), 0.2);
} 
/* --- grid.css --- */
/*------------------------------------*\\
#GRID SYSTEM
\\*------------------------------------*/

.grid-container {
    width: 100%;
    padding-left: var(--space-2);
    padding-right: var(--space-2);
    margin-left: auto;
    margin-right: auto;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: calc(var(--space-2) * -1);
    margin-right: calc(var(--space-2) * -1);
}

.col, [class^="col-"] {
    position: relative;
    width: 100%;
    padding-left: var(--space-2);
    padding-right: var(--space-2);
    margin-bottom: var(--space-4);
}

.col {
    flex-basis: 0;
    flex-grow: 1;
    max-width: 100%;
}

.col-auto {
    flex: 0 0 auto;
    width: auto;
    max-width: 100%;
}

.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* Demo styles for visualization */
.grid-demo .row {
    gap: var(--space-4);
}

.grid-demo .col, .grid-demo [class^="col-"] {
    background-color: var(--bg-layer-4);
    border: none;
    border-radius: var(--radius-lg);
    padding-top: 1rem;
    padding-bottom: 1rem;
    text-align: center;
    color: var(--text-secondary);

    /* Pattern overlay */
    position: relative;
    overflow: hidden;
    z-index: 0; /* establish stacking context for overlay */
    padding-left: var(--space-2);
    padding-right: var(--space-2);
}

/* Checkerboard pattern overlay */
.grid-demo .col::before, .grid-demo [class^="col-"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
    z-index: -1; /* place pattern behind content */
    border-radius: inherit;
    background-image:
        linear-gradient(45deg, var(--bg-layer-1) 25%, transparent 25%),
        linear-gradient(-45deg, var(--bg-layer-1) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--bg-layer-1) 75%),
        linear-gradient(-45deg, transparent 75%, var(--bg-layer-1) 75%);
    background-size: 24px 24px;
    background-position: 0 0, 0 12px, 12px -12px, -12px 0px;
    pointer-events: none;
}

/* Nested grid visual aid */
.grid-demo .row .row {
    gap: var(--space-2);
    padding: var(--space-2);
    border: 2px dashed var(--overlay-medium);
    border-radius: var(--radius-md);
}
.grid-demo .row .row .col, .grid-demo .row .row [class^="col-"] {
    background-color: var(--bg-layer-3);
} 
/* --- spinners.css --- */
/*------------------------------------*\\
#SPINNERS
\\*------------------------------------*/

.spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    vertical-align: -0.125em;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border .75s linear infinite;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* Sizing */
.spinner-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
}

.spinner-lg {
    width: 3rem;
    height: 3rem;
    border-width: 0.3em;
}

/* Colors */
.spinner-primary { color: var(--primary); }
.spinner-secondary { color: var(--text-secondary); }
.spinner-success { color: var(--success); }
.spinner-error { color: var(--error); }
.spinner-warning { color: var(--warning); }
.spinner-info { color: var(--info); } 
/* --- progress.css --- */
/*------------------------------------*\\
#PROGRESS BARS
\\*------------------------------------*/

.progress {
    display: flex;
    height: 1rem;
    overflow: hidden;
    font-size: .75rem;
    background-color: var(--bg-layer-2);
    border-radius: var(--radius-md);
}

.progress-bar {
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    color: var(--accent-text);
    text-align: center;
    white-space: nowrap;
    background-color: var(--accent);
    transition: width .6s ease;
}

/* Sizing */
.progress-sm {
    height: 0.5rem;
}

.progress-lg {
    height: 1.5rem;
}

/* Colors */
.progress-bar-primary { background-color: var(--primary); }
.progress-bar-success { background-color: var(--success); }
.progress-bar-error { background-color: var(--error); }
.progress-bar-warning { background-color: var(--warning); }
.progress-bar-info { background-color: var(--info); }

/* Striped */
.progress-bar-striped {
    background-image: linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent);
    background-size: 1rem 1rem;
}

/* Animated */
.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    from { background-position: 1rem 0; }
    to { background-position: 0 0; }
} 
/* --- timeline.css --- */
.timeline {
    position: relative;
    width: 100%;
    height: 40px; /* Taller to feel more like Blender's timeline */
    margin: var(--space-2) 0;
    touch-action: none;
    user-select: none;
    background-color: var(--surface-2);
    padding-top: 16px; /* Space for labels */
    border-radius: var(--radius-md);
}

.timeline-track {
    position: absolute;
    top: 16px; /* Position below the padding */
    left: 0;
    width: 100%;
    height: 24px;
    background-color: var(--surface-3); /* Darker track */
    border-radius: 0;
}

.timeline-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: transparent; /* Blender's playhead is just a line */
    opacity: 0;
    border-radius: 2px;
}

/* Playhead */
.timeline-handle {
    position: absolute;
    top: -8px; /* Align with track area */
    height: calc(100% + 16px); /* Full height grab area */
    background-color: transparent;
    cursor: pointer;
    z-index: 10;
}

/* No ::before content for handle */
.timeline-handle::before {
    content: none;
}

.timeline-playhead-label {
    position: absolute;
    top: 8px; /* Align with the top of the playhead line */
    left: 50%;
    transform: translate(calc(-50% - 2px), -100%);
    background-color: var(--accent);
    color: var(--grey-100);
    padding: 2px 5px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    z-index: 12;
    pointer-events: none;
}

/* Playhead icon styling */
.timeline-handle .lucide {
    position: absolute;
    left: 50%;
    color: var(--accent);
    pointer-events: none; /* Icon shouldn't capture events */
}

.timeline-playhead-line {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(calc(-50% - 2px));
    width: 2px;
    height: calc(100% - 16px);
    background-color: var(--accent);
}


/* Increased grab zone for the playhead */
.timeline-handle::after {
    content: "";
    position: absolute;
    top: -8px;
    left: -6px;
    width: 14px;
    height: calc(100% + 16px);
    background: transparent; /* Invisible but clickable */
    cursor: pointer;
}

/* Markers - styled as diamonds like keyframes */
.timeline-marker {
    position: absolute;
    top: auto;
    bottom: 7px; /* Vertically centered in track */
    width: 10px;
    height: 10px;
    background-color: var(--warning); /* Default keyframe color */
    transform: translateX(calc(-50% + 1px)) rotate(45deg);
    border: 1px solid var(--surface-2);
}

/* Ruler & Ticks */
.timeline-ruler {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-secondary);
}

/* Ticks */
.timeline-tick {
    position: absolute;
    top: 0;
    width: 1px;
    height: 35%;
    background-color: var(--grey-600);
    opacity: 0.8;
}

.timeline-tick-five {
    height: 45%;
    background-color: var(--grey-500);
}

.timeline-tick-ten {
    height: 55%;
    background-color: var(--grey-400);
}

.timeline-tick-major {
    height: 70%;
    background-color: var(--grey-300);
}

.timeline-label {
    position: absolute;
    top: -4px; /* Position above the track */
    transform: translate(-50%, -100%);
    white-space: nowrap;
    pointer-events: none;
    color: var(--text-secondary);
}

.timeline-range {
    position: absolute;
    top: 0;
    height: 100%;
    background-color: var(--accent, var(--primary));
    opacity: 0.15;
    pointer-events: none;
}

.timeline-range-handle {
    position: absolute;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: var(--accent);
    cursor: ew-resize;
    z-index: 11;
}

.timeline-range-handle::before {
    content: none;
}

/* Light theme specific styles */
html:not(.dark-theme) .timeline-tick {
    background-color: var(--grey-400);
}

html:not(.dark-theme) .timeline-tick-five {
    background-color: var(--grey-500);
}

html:not(.dark-theme) .timeline-tick-ten {
    background-color: var(--grey-600);
}

html:not(.dark-theme) .timeline-tick-major {
    background-color: var(--grey-700);
} 
/* --- videoPlayer.css --- */
.video-player {
    background: var(--surface-1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.video-player video {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 0;
}

.video-controls {
    display: flex;
    align-items: center;
    padding: var(--space-2);
    background: var(--surface-2);
    border-top: 1px solid var(--border-color);
}

.video-time-label {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
    margin-left: var(--space-2);
}

/* Overlay for drawing */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* Initially disabled */
}

.video-thumbnail-preview {
    position: absolute;
    display: none;
    width: 120px;
    height: 90px;
    border: 2px solid var(--accent);
    border-radius: var(--radius-md);
    background: var(--surface-1);
    object-fit: contain;
    pointer-events: none;
    z-index: 99;
} 
/* --- scrollbars.css --- */
/*------------------------------------*\\
#SCROLLBARS
\\*------------------------------------*/

::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-layer-0);
}

::-webkit-scrollbar-thumb {
    background-color: var(--bg-layer-4);
    border-radius: 10px;
    border: 3px solid var(--bg-layer-0);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--overlay-dark);
}

::-webkit-scrollbar-corner {
    background: transparent;
}

/* Thin variant */
.scrollbar-thin::-webkit-scrollbar { width: 6px; height: 6px; }
.scrollbar-thin::-webkit-scrollbar-thumb { border: none; }

/* Firefox support */
* { scrollbar-width: auto; scrollbar-color: var(--bg-layer-4) var(--bg-layer-0); }
.scrollbar-thin { scrollbar-width: thin; }

/* Dark-mode adjustments */
body.dark ::-webkit-scrollbar-track { background: var(--bg-layer-2); }
body.dark ::-webkit-scrollbar-thumb { background: var(--bg-layer-4); border: 3px solid var(--bg-layer-2); }
body.dark ::-webkit-scrollbar-thumb:hover { background-color: var(--overlay-dark); }
body.dark ::-webkit-scrollbar-corner { background: transparent; } 

/* Hide scrollbars for the left navigation panel */
.left-panel, .left-panel * {
    scrollbar-width: none; /* Firefox */
}
.left-panel::-webkit-scrollbar, .left-panel *::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
} 
/* --- patterns.css --- */
/*------------------------------------*\\
#BACKGROUND PATTERNS
\\*------------------------------------*/

.pattern-container {
    height: 150px;
    width: 100%;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    background-color: var(--bg-layer-3);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Use a pseudo-element for the pattern to not interfere with content */
.pattern-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.25;
}

.pattern-dots::before {
    background-image: radial-gradient(var(--text-tertiary) 1px, transparent 1px);
    background-size: 12px 12px;
}

.pattern-lines::before {
    background-image: linear-gradient(var(--text-tertiary) 1px, transparent 1px);
    background-size: 100% 12px;
}

.pattern-grid::before {
    background-image:
        linear-gradient(var(--text-tertiary) 1px, transparent 1px),
        linear-gradient(to right, var(--text-tertiary) 1px, transparent 1px);
    background-size: 20px 20px;
}

.pattern-checkerboard::before {
    background-image:
        linear-gradient(45deg, var(--bg-layer-2) 25%, transparent 25%),
        linear-gradient(-45deg, var(--bg-layer-2) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--bg-layer-2) 75%),
        linear-gradient(-45deg, transparent 75%, var(--bg-layer-2) 75%);
    background-size: 24px 24px;
    background-position: 0 0, 0 12px, 12px -12px, -12px 0px;
} 
/* --- mobile.css --- */
@media (max-width: var(--breakpoint-md)) {
    .style-guide-layout {
        flex-direction: column;
    }

    .left-panel {
        width: 100%;
        height: auto;
        position: static;
        border-bottom: 1px solid var(--border-color);
        border-radius: 0;
        margin: 0;
    }

    .main-container {
        margin-left: 0;
        margin-right: 0;
        padding-bottom: 120px; /* Space for the bottom panel */
    }

    .right-panel {
        position: fixed;
        width: 100%;
        height: auto;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        border-top: 1px solid var(--border-color);
        z-index: 20;
    }

    .right-panel .panel-body {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-4);
        padding: var(--space-4);
        transition: max-height var(--transition-base), opacity var(--transition-base);
    }

    .style-guide-layout.right-collapsed .right-panel {
        height: 60px; /* Header height */
    }
    
    .style-guide-layout.right-collapsed .right-panel .panel-body {
        display: none;
    }

    .style-guide-layout.right-collapsed .main-container {
        padding-bottom: 60px; /* Match collapsed footer height */
    }

    .style-guide-layout.right-collapsed .right-panel .panel-header .icon {
        transform: rotate(180deg);
    }

    .right-panel .panel-header .icon {
        transition: transform var(--transition-base);
    }
}