/*
 * Copyright 2026 pvk2007. All rights reserved.
 *
 * COMPONENT: DemoShell
 * PURPOSE: Shared layout styles for the multi-page demo site.
 *          Card grid for index, header/nav for component pages.
 * RELATES: [[EnterpriseTheme]], [[ThemeDemo]]
 */

/* ================================================================
   Reset / base
   ================================================================ */

.demo-shell-body
{
    min-height: 100vh;
    background: var(--theme-body-bg);
    color: var(--theme-text-primary);
}

/* ================================================================
   Header bar
   ================================================================ */

.demo-header
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--theme-surface-raised-bg);
    border-bottom: 1px solid var(--theme-border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.demo-header-title
{
    font-size: 1rem;
    font-weight: 600;
    color: var(--theme-text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.demo-header-title a
{
    color: var(--theme-text-primary);
    text-decoration: none;
}

.demo-header-title a:hover
{
    color: var(--theme-primary);
}

.demo-header-actions
{
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.demo-back-link
{
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8125rem;
    color: var(--theme-text-secondary);
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--theme-border-subtle);
    background: var(--theme-surface-bg);
    transition: border-color 0.15s, color 0.15s;
}

.demo-back-link:hover
{
    color: var(--theme-primary);
    border-color: var(--theme-primary);
}

.demo-component-count
{
    font-size: 0.75rem;
    color: var(--theme-text-muted);
    padding: 0.2rem 0.5rem;
    background: var(--theme-surface-sunken-bg);
    border: 1px solid var(--theme-border-subtle);
}

/* ================================================================
   Main content area (component pages)
   ================================================================ */

.demo-main
{
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
}

.demo-section
{
    margin-bottom: 2rem;
}

.demo-section h2
{
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--theme-border-color);
}

.demo-output
{
    background: var(--theme-surface-raised-bg);
    border: 1px solid var(--theme-border-color);
}

/* ================================================================
   Search box (index page)
   ================================================================ */

.demo-search-wrapper
{
    max-width: 480px;
    margin: 1.5rem auto;
    position: relative;
}

.demo-search-input
{
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 2.25rem;
    font-size: 0.875rem;
    border: 1px solid var(--theme-input-border);
    background: var(--theme-input-bg);
    color: var(--theme-input-color);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.demo-search-input::placeholder
{
    color: var(--theme-input-placeholder);
}

.demo-search-input:focus
{
    border-color: var(--theme-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

.demo-search-icon
{
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--theme-text-muted);
    font-size: 0.875rem;
    pointer-events: none;
}

/* ================================================================
   Card grid (index page)
   ================================================================ */

.demo-category-section
{
    margin-bottom: 2rem;
}

.demo-category-heading
{
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--theme-text-secondary);
    margin: 0 0 0.75rem 0;
    padding-bottom: 0.375rem;
    border-bottom: 1px solid var(--theme-border-subtle);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.demo-card-grid
{
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.75rem;
}

.demo-card
{
    display: block;
    padding: 0.875rem 1rem;
    background: var(--theme-surface-bg);
    border: 1px solid var(--theme-border-subtle);
    text-decoration: none;
    color: var(--theme-text-primary);
    transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.demo-card:hover
{
    border-color: var(--theme-primary);
    box-shadow: var(--theme-shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.08)),
                0 0 8px var(--theme-glow-color-hover);
    background: var(--theme-hover-bg);
    color: var(--theme-text-primary);
    text-decoration: none;
}

.demo-card-name
{
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.demo-card-desc
{
    font-size: 0.75rem;
    color: var(--theme-text-muted);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.demo-card-badge
{
    display: inline-block;
    font-size: 0.625rem;
    padding: 0.1rem 0.35rem;
    background: var(--theme-primary);
    color: var(--theme-text-on-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-left: auto;
    flex-shrink: 0;
}

.demo-card.demo-card-nolink
{
    opacity: 0.55;
    cursor: default;
    pointer-events: none;
    position: relative;
}

.demo-card.demo-card-nolink::after
{
    content: "Demo coming soon";
    position: absolute;
    bottom: 8px;
    right: 8px;
    font-size: 10px;
    color: var(--theme-text-muted);
    font-style: italic;
}

/* Hidden state for search filtering */
.demo-hidden
{
    display: none !important;
}

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

@media (max-width: 768px)
{
    .demo-header
    {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 0.5rem 1rem;
    }

    .demo-main
    {
        padding: 1rem;
    }

    .demo-card-grid
    {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 0.5rem;
    }
}