styleui-components/css/base.css

Lightweight, modular UI component library with zero dependencies

/**
 * 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));
}