/* ==========================================================================
   PairCoder Documentation Layout
   Sidebar, navigation, mobile responsive
   ========================================================================== */

/* Page Content Reset for Docs */
#page-content:has(.docs-layout) {
    padding: 0;
    margin: 0;
}

/* Layout Container */
.docs-layout {
    display: flex;
    min-height: calc(100vh - 160px);
    margin-top: 160px; /* Clear the fixed nav (logo ~108px + padding 40px + buffer) */
    gap: 0;
    background: var(--bg-primary);
    position: relative;
    z-index: 1;
}

/* Sidebar Navigation */
.docs-sidebar {
    width: 280px;
    min-width: 280px;
    flex-shrink: 0;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 32px 24px;
}

/* Mobile Overlay - hidden by default */
.docs-sidebar-overlay {
    display: none;
}

.docs-sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.docs-sidebar-title { font-size: 1.125rem; font-weight: 700; color: var(--text-primary); }

.docs-version-badge {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    background: var(--accent-primary);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
}

/* Sidebar Search */
.docs-search { margin-bottom: 24px; }
.docs-search-wrapper { position: relative; }

.docs-search-input {
    width: 100%;
    padding: 10px 12px 10px 36px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color 0.2s;
}

.docs-search-input:focus { outline: none; border-color: var(--accent-primary); }
.docs-search-input::placeholder { color: var(--text-muted); }

.docs-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* Navigation Groups */
.docs-nav-group { margin-bottom: 24px; }

.docs-nav-group-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 12px;
    padding-left: 12px;
}

.docs-nav-list { list-style: none; }
.docs-nav-item { margin-bottom: 4px; }

.docs-nav-link {
    display: block;
    padding: 8px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.docs-nav-link:hover { color: var(--text-primary); background: var(--bg-tertiary); }
.docs-nav-link.active { color: var(--accent-secondary); background: rgba(99, 102, 241, 0.1); font-weight: 500; }

/* Mobile Toggle */
.docs-sidebar-toggle {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    box-shadow: 0 4px 20px var(--accent-glow);
}

/* Search Results */
.docs-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-top: 4px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.docs-search-results.open { display: block; }

.docs-search-result {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
}

.docs-search-result:last-child { border-bottom: none; }
.docs-search-result:hover { background: var(--bg-tertiary); }
.docs-search-result-title { font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.docs-search-result-section { font-size: 0.75rem; color: var(--text-muted); }
.docs-search-no-results { padding: 16px; text-align: center; color: var(--text-muted); }

/* Mobile Docs Menu Header - hidden on desktop */
.docs-mobile-header {
    display: none;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .docs-content { padding: 32px; }
}

@media (max-width: 768px) {
    .docs-layout { flex-direction: column; }

    .docs-sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        height: 100vh;
        z-index: 200;
        transition: left 0.3s ease;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .docs-sidebar.open { left: 0; }

    /* Floating toggle - keep as secondary trigger */
    .docs-sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    }

    /* Inline mobile menu trigger - primary trigger */
    .docs-mobile-header {
        display: block;
        padding: 0 0 16px;
        margin-bottom: 16px;
        border-bottom: 1px solid var(--border);
    }

    .docs-mobile-menu-btn {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 12px 16px;
        width: 100%;
        background: var(--bg-tertiary);
        border: 1px solid var(--border);
        border-radius: 8px;
        color: var(--text-primary);
        font-size: 0.9rem;
        font-family: inherit;
        cursor: pointer;
        transition: background 0.2s, border-color 0.2s;
    }

    .docs-mobile-menu-btn:hover,
    .docs-mobile-menu-btn:active {
        background: var(--bg-secondary);
        border-color: var(--accent-primary);
    }

    .docs-mobile-menu-icon {
        font-size: 1.2rem;
    }

    .docs-sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 199;
    }

    .docs-sidebar-overlay.open { display: block; }
    .docs-content { padding: 24px 16px; max-width: 100%; overflow-x: hidden; }
    .docs-page-title { font-size: 1.75rem; }
    .docs-pagination { flex-direction: column; }
    .docs-pagination-link { min-width: auto; }
    .docs-pagination-link.next { margin-left: 0; align-items: flex-start; }
}