/* ==========================================================================
   Kuarls DS — Documentation Site Styles
   ========================================================================== */

:root {
    --site-sidebar-width: 280px;
    --site-topbar-height: 64px;
    --site-content-max-width: 1024px;

    /* Doc-specific colors (extending DS tokens) */
    --site-bg: var(--kds-color-gray-950);
    --site-bg-subtle: var(--kds-color-gray-900);
    --site-border: var(--kds-color-gray-800);
    --site-text: var(--kds-color-gray-200);
    --site-text-muted: var(--kds-color-gray-400);
    --site-accent: #E6BF00;
    --site-accent-glow: rgba(230, 191, 0, 0.15);
}

body {
    background-color: var(--site-bg);
    color: var(--site-text);
    font-family: var(--kds-font-family-body);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ==========================================================================
   Layout Shell
   ========================================================================== */

.site-wrapper {
    display: flex;
    flex: 1;
    padding-top: var(--site-topbar-height);
}

/* Sidebar */
.site-sidebar {
    position: fixed;
    top: var(--site-topbar-height);
    left: 0;
    bottom: 0;
    width: var(--site-sidebar-width);
    background-color: var(--site-bg);
    border-right: 1px solid var(--site-border);
    border-right: 1px solid var(--site-border);
    padding: var(--kds-spacing-6);
    z-index: var(--kds-z-docked);
    transition: transform var(--kds-duration-fast) var(--kds-easing-ease-out);
    /* Flex layout for footer */
    display: flex;
    flex-direction: column;
}

.site-sidebar__footer {
    margin-top: auto;
    padding-top: var(--kds-spacing-6);
    border-top: 1px solid var(--site-border);
    display: flex;
    flex-direction: column;
    gap: var(--kds-spacing-1);
}

.site-sidebar__social-link {
    display: flex;
    align-items: center;
    gap: var(--kds-spacing-3);
    padding: var(--kds-spacing-2) var(--kds-spacing-3);
    color: var(--site-text-muted);
    text-decoration: none;
    border-radius: var(--kds-radius-md);
    transition: all var(--kds-duration-fast);
    font-size: var(--kds-font-size-sm);
}

.site-sidebar__social-link:hover {
    background-color: var(--site-bg-subtle);
    color: var(--site-text);
}

.site-sidebar__social-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.site-sidebar__social-icon--img {
    object-fit: contain;
    filter: grayscale(1) brightness(0.7);
    transition: filter var(--kds-duration-fast);
}

.site-sidebar__social-link:hover .site-sidebar__social-icon--img {
    filter: grayscale(0) brightness(1);
}

.site-sidebar__version {
    font-size: var(--kds-font-size-xs);
    color: var(--site-text-muted);
    padding: var(--kds-spacing-2) var(--kds-spacing-3);
    display: block;
}

.site-sidebar__group {
    margin-bottom: var(--kds-spacing-8);
}

.site-sidebar__title {
    font-size: var(--kds-font-size-xs);
    font-weight: var(--kds-font-weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--kds-letter-spacing-wider);
    color: #DDD3C1;
    margin-bottom: var(--kds-spacing-4);
    padding-left: var(--kds-spacing-3);
}

.site-sidebar__link {
    display: block;
    padding: var(--kds-spacing-2) var(--kds-spacing-3);
    color: var(--site-text-muted);
    text-decoration: none;
    border-radius: var(--kds-radius-md);
    transition: all var(--kds-duration-fast);
    font-size: var(--kds-font-size-sm);
}

.site-sidebar__link:hover {
    background-color: var(--site-bg-subtle);
    color: var(--site-text);
}

.site-sidebar__link--active {
    background-color: var(--site-accent-glow);
    color: var(--site-accent);
    font-weight: var(--kds-font-weight-medium);
}

/* Topbar */
.site-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--site-topbar-height);
    background-color: rgba(9, 9, 11, 0.8);
    /* gray-950 with opacity */
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--site-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--kds-spacing-6);
    z-index: var(--kds-z-sticky);
}

.site-brand {
    font-family: var(--kds-font-family-heading);
    font-weight: var(--kds-font-weight-bold);
    font-size: var(--kds-font-size-lg);
    color: var(--kds-color-white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--kds-spacing-2);
}

.site-brand__logo {
    color: var(--site-accent);
}

/* Mobile Toggle */
.site-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--site-text);
    font-size: var(--kds-font-size-xl);
    cursor: pointer;
    padding: var(--kds-spacing-2);
}

/* Main Content */
.site-main {
    flex: 1;
    margin-left: var(--site-sidebar-width);
    padding: var(--kds-spacing-8) var(--kds-spacing-10);
    max-width: var(--site-content-max-width);
}

/* ==========================================================================
   Documentation Content Styles
   ========================================================================== */

.site-hero {
    margin-bottom: var(--kds-spacing-12);
    padding-bottom: var(--kds-spacing-12);
    border-bottom: 1px solid var(--site-border);
}

.site-hero__title {
    font-size: var(--kds-font-size-5xl);
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--kds-spacing-4);
    line-height: var(--kds-line-height-tight);
}

.site-hero__lead {
    font-size: var(--kds-font-size-xl);
    color: var(--site-text-muted);
    max-width: 65ch;
    line-height: var(--kds-line-height-relaxed);
    margin-bottom: 24px;
}

.site-section {
    margin-bottom: var(--kds-spacing-24);
    scroll-margin-top: 100px;
    /* For anchor links */
}

.site-section__header {
    margin-bottom: var(--kds-spacing-12);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    border-bottom: 1px solid var(--site-border);
    padding-bottom: var(--kds-spacing-6);
}

.site-section__title {
    font-size: var(--kds-font-size-2xl);
    font-weight: var(--kds-font-weight-semibold);
    color: var(--kds-color-white);
    margin: 0 0 var(--kds-spacing-4) 0;
    line-height: var(--kds-line-height-tight);
}

.site-section__desc {
    color: var(--site-text-muted);
    margin-top: var(--kds-spacing-4);
    line-height: var(--kds-line-height-relaxed);
}

/* About / Why Section */
.site-about {
    display: flex;
    flex-direction: column;
    gap: var(--kds-spacing-8);
}

.site-about__block {
    max-width: 80ch;
}

.site-about__link {
    color: var(--site-accent);
    text-decoration: none;
    transition: opacity var(--kds-duration-fast);
}

.site-about__link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Component Preview Card */
.site-preview {
    border: 1px solid var(--site-border);
    border-radius: var(--kds-radius-lg);
    overflow: hidden;
    background-color: var(--kds-color-gray-900);
    margin-top: var(--kds-spacing-6);
    margin-bottom: var(--kds-spacing-12);
}

.site-preview__stage {
    padding: var(--kds-spacing-10);
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: radial-gradient(var(--site-border) 1px, transparent 1px);
    background-size: 20px 20px;
    min-height: 200px;
}

.site-preview__stage--align-start {
    align-items: flex-start;
    justify-content: flex-start;
}

.site-preview__code {
    position: relative;
    border-top: 1px solid var(--site-border);
    background-color: #0d0d0f;
    /* Even darker for code blocks */
}

.site-code-block {
    margin: 0;
    padding: var(--kds-spacing-4);
    overflow-x: auto;
    font-family: var(--kds-font-family-mono);
    font-size: var(--kds-font-size-sm);
    line-height: var(--kds-line-height-normal);
    color: var(--kds-color-gray-300);
}

.site-copy-btn {
    position: absolute;
    top: var(--kds-spacing-2);
    right: var(--kds-spacing-2);
    background: var(--site-bg);
    border: 1px solid var(--site-border);
    color: var(--site-text-muted);
    border-radius: var(--kds-radius-md);
    padding: 4px 8px;
    font-size: var(--kds-font-size-xs);
    cursor: pointer;
    transition: all var(--kds-duration-fast);
}

.site-copy-btn:hover {
    background: var(--site-bg-subtle);
    color: var(--kds-color-white);
}

/* ==========================================================================
   AI Bundle Topbar Link
   ========================================================================== */

.ai-topbar-link {
    display: inline-flex;
    align-items: center;
    gap: var(--kds-spacing-2);
    padding: var(--kds-spacing-1-5) var(--kds-spacing-3);
    border: 1px solid var(--site-border);
    border-radius: var(--kds-radius-md);
    color: var(--site-text);
    text-decoration: none;
    font-size: var(--kds-font-size-sm);
    line-height: 1;
    transition: all var(--kds-duration-fast);
}

/* Override global `svg { display: block }` from reset so the icon stays inline
   with the label even if the parent flex hasn't applied yet. */
.ai-topbar-link svg {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

.ai-topbar-link:hover {
    background-color: var(--site-bg-subtle);
    border-color: var(--site-accent);
    color: var(--site-accent);
}

.ai-topbar-link--active {
    background-color: var(--site-accent-glow);
    border-color: var(--site-accent);
    color: var(--site-accent);
    cursor: default;
}

.ai-topbar-link--active:hover {
    background-color: var(--site-accent-glow);
}

@media (max-width: 480px) {
    .ai-topbar-link span {
        display: none;
    }
}

/* ==========================================================================
   Theme Toggle
   ========================================================================== */

.site-theme-toggle {
    background: none;
    border: 1px solid transparent;
    color: var(--site-text-muted);
    cursor: pointer;
    padding: var(--kds-spacing-1-5);
    border-radius: var(--kds-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--kds-duration-fast);
    line-height: 1;
}

.site-theme-toggle:hover {
    color: var(--site-text);
    border-color: var(--site-border);
    background-color: var(--site-bg-subtle);
}

/* Show sun in dark mode, moon in light mode */
.site-theme-toggle__icon--moon {
    display: none;
}

.site-theme-toggle__icon--sun {
    display: block;
}

[data-theme="light"] .site-theme-toggle__icon--sun {
    display: none;
}

[data-theme="light"] .site-theme-toggle__icon--moon {
    display: block;
}

/* ==========================================================================
   Light Theme
   ========================================================================== */

[data-theme="light"] {
    --site-bg: #ffffff;
    --site-bg-subtle: #f4f4f5;
    --site-border: #e4e4e7;
    --site-text: #27272a;
    --site-text-muted: #71717a;
    --site-accent: #E6BF00;
    --site-accent-glow: rgba(230, 191, 0, 0.1);
}

[data-theme="light"] body {
    color-scheme: light;
}

[data-theme="light"] .site-topbar {
    background-color: rgba(255, 255, 255, 0.85);
}

[data-theme="light"] .site-brand {
    color: var(--kds-color-gray-900);
}

[data-theme="light"] .site-hero__title {
    background: linear-gradient(135deg, #18181b 0%, #71717a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="light"] .site-section__title {
    color: var(--kds-color-gray-900);
}

[data-theme="light"] .site-sidebar__title {
    color: #52525b;
}

[data-theme="light"] .site-preview {
    background-color: var(--kds-color-gray-50);
}

[data-theme="light"] .site-preview__stage {
    background-image: radial-gradient(var(--kds-color-gray-300) 1px, transparent 1px);
}

[data-theme="light"] .site-preview__code {
    background-color: #1e1e2e;
}

[data-theme="light"] .site-code-block {
    color: var(--kds-color-gray-300);
}

[data-theme="light"] .site-copy-btn {
    background: #27272a;
    border-color: #3f3f46;
    color: #a1a1aa;
}

[data-theme="light"] .site-copy-btn:hover {
    background: #3f3f46;
    color: #ffffff;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    :root {
        --site-sidebar-width: 240px;
    }
}

@media (max-width: 768px) {
    .site-sidebar {
        transform: translateX(-100%);
        box-shadow: var(--kds-shadow-xl);
    }

    .site-sidebar--open {
        transform: translateX(0);
    }

    .site-main {
        margin-left: 0;
        padding: var(--kds-spacing-6);
    }

    .site-menu-toggle {
        display: block;
    }
}