/* ═══════════════════════════════════════════════════════
   Docs — Netrcol Documentation Styles
   Extends landing.css variables
   ═══════════════════════════════════════════════════════ */

/* ── Layout ───────────────────────────────────────────── */
.docs-hero {
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.docs-hero h1 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.docs-hero p {
    color: var(--text-secondary);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto 32px;
}

/* ── Search ───────────────────────────────────────────── */
.docs-search-wrapper {
    max-width: 560px;
    margin: 0 auto;
    position: relative;
}

.docs-search-input {
    width: 100%;
    padding: 14px 20px 14px 48px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text);
    font-size: 1rem;
    font-family: var(--font-primary);
    outline: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.docs-search-input::placeholder {
    color: var(--text-muted);
}

.docs-search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}

.docs-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
}

.docs-search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    max-height: 380px;
    overflow-y: auto;
    z-index: 100;
    display: none;
    box-shadow: var(--shadow-lg);
}

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

.docs-search-item {
    display: block;
    padding: 14px 18px;
    color: var(--text);
    text-decoration: none;
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-fast);
}

.docs-search-item:last-child {
    border-bottom: none;
}

.docs-search-item:hover,
.docs-search-item.active {
    background: var(--accent-subtle);
}

.docs-search-item-title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.docs-search-item-category {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.docs-search-item-snippet {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.docs-search-empty {
    padding: 24px 18px;
    text-align: center;
    color: var(--text-muted);
}

/* ── Category Cards Grid ──────────────────────────────── */
.docs-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 80px;
    position: relative;
    z-index: 1;
}

.docs-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.docs-category-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 28px;
    text-decoration: none;
    color: var(--text);
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.docs-category-card:hover {
    transform: translateY(-4px);
    border-color: var(--border);
    box-shadow: var(--shadow-glow);
}

.docs-category-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--gradient-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--accent);
}

.docs-category-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.docs-category-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.5;
}

.docs-category-card-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: auto;
}

/* ── Standalone Cards ─────────────────────────────────── */
.docs-standalone-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.docs-standalone-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 20px 24px;
    text-decoration: none;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 14px;
    transition: transform var(--transition-base), border-color var(--transition-base);
}

.docs-standalone-card:hover {
    transform: translateY(-2px);
    border-color: var(--border);
}

.docs-standalone-card i {
    font-size: 1.2rem;
    color: var(--accent);
}

.docs-standalone-card span {
    font-weight: 600;
    font-size: 1rem;
}

/* ═══════════════════════════════════════════════════════
   Category & Detail Pages — 3-column layout
   ═══════════════════════════════════════════════════════ */

.docs-page {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    padding: 130px 24px 80px;
    gap: 32px;
    position: relative;
    z-index: 1;
    min-height: 80vh;
}

/* ── Sidebar ──────────────────────────────────────────── */
.docs-sidebar {
    width: 260px;
    flex-shrink: 0;
    position: sticky;
    top: 110px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 16px 12px;
}

.docs-sidebar::-webkit-scrollbar {
    width: 4px;
}

.docs-sidebar::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.docs-sidebar-section {
    margin-bottom: 24px;
}

.docs-sidebar-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-muted);
    margin-bottom: 8px;
    padding: 0 12px;
}

.docs-sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.docs-sidebar-link:hover {
    background: var(--accent-subtle);
    color: var(--text);
}

.docs-sidebar-link.active {
    background: var(--accent-subtle);
    color: var(--accent);
    font-weight: 600;
}

.docs-sidebar-link i {
    width: 18px;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.7;
}

/* ── Main Content ─────────────────────────────────────── */
.docs-content {
    flex: 1;
    min-width: 0;
    max-width: 800px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 36px 40px;
}

/* Breadcrumb */
.docs-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.docs-breadcrumb a {
    color: var(--accent);
    text-decoration: none;
}

.docs-breadcrumb a:hover {
    text-decoration: underline;
}

.docs-breadcrumb-sep {
    opacity: 0.5;
}

/* Content typography */
.docs-content h1 {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.docs-content-description {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 32px;
    line-height: 1.6;
}

.docs-content h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin: 40px 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
}

.docs-content h2:first-of-type {
    margin-top: 0;
}

.docs-content-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.docs-content-text strong {
    color: var(--text);
    font-weight: 600;
}

.docs-content-text code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
    color: var(--accent);
}

/* ── Command Card ─────────────────────────────────────── */
.docs-command-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

.docs-command-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 8px;
}

.docs-command-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent);
}

.docs-command-perm {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgba(125, 211, 252, 0.1);
    color: var(--accent);
    border: 1px solid rgba(125, 211, 252, 0.2);
    white-space: nowrap;
}

.docs-command-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 12px;
}

.docs-command-usage {
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 10px 14px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text);
    margin-bottom: 12px;
    overflow-x: auto;
}

.docs-command-options {
    margin-top: 10px;
}

.docs-command-option {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 4px 0;
    font-size: 0.85rem;
}

.docs-command-option-name {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent);
    font-weight: 600;
    white-space: nowrap;
}

.docs-command-option-type {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-primary);
    padding: 1px 6px;
    border-radius: 4px;
    white-space: nowrap;
}

.docs-command-option-required {
    font-size: 0.7rem;
    color: #f87171;
    font-weight: 600;
}

.docs-command-option-desc {
    color: var(--text-secondary);
}

.docs-command-examples {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-subtle);
}

.docs-command-examples-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 600;
}

.docs-command-example {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 2px 0;
}

/* ── Table of Contents (right) ────────────────────────── */
.docs-toc {
    width: 220px;
    flex-shrink: 0;
    position: sticky;
    top: 110px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 16px 14px;
}

.docs-toc-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.docs-toc-link {
    display: block;
    padding: 5px 0 5px 12px;
    border-left: 2px solid var(--border-subtle);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.82rem;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.docs-toc-link:hover,
.docs-toc-link.active {
    color: var(--accent);
    border-left-color: var(--accent);
}

/* ── Doc List (category page) ─────────────────────────── */
.docs-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.docs-list-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 22px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text);
    transition: transform var(--transition-base), border-color var(--transition-base);
}

.docs-list-item:hover {
    transform: translateX(4px);
    border-color: var(--border);
}

.docs-list-item-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--gradient-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
}

.docs-list-item-info {
    flex: 1;
    min-width: 0;
}

.docs-list-item-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 2px;
}

.docs-list-item-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.docs-list-item-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ── Prev/Next Navigation ─────────────────────────────── */
.docs-nav-footer {
    display: flex;
    gap: 16px;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
}

.docs-nav-btn {
    flex: 1;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text);
    transition: border-color var(--transition-base);
}

.docs-nav-btn:hover {
    border-color: var(--border);
}

.docs-nav-btn-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.docs-nav-btn-title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: 4px;
}

.docs-nav-btn--next {
    text-align: right;
}

/* ── Tags ─────────────────────────────────────────────── */
.docs-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 24px;
}

.docs-tag {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 20px;
    background: var(--bg-primary);
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 1100px) {
    .docs-toc {
        display: none;
    }
}

@media (max-width: 860px) {
    .docs-page {
        flex-direction: column;
        padding-top: 80px;
    }

    .docs-sidebar {
        width: 100%;
        position: static;
        max-height: none;
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
        padding-right: 0;
        margin-bottom: 16px;
        padding-bottom: 16px;
        border-bottom: 1px solid var(--border-subtle);
    }

    .docs-sidebar-section {
        margin-bottom: 0;
    }

    .docs-sidebar-title {
        display: none;
    }

    .docs-sidebar-link {
        padding: 6px 12px;
        font-size: 0.82rem;
        border: 1px solid var(--border-subtle);
        border-radius: 20px;
    }

    .docs-content {
        max-width: 100%;
        padding: 24px 20px;
    }

    .docs-hero h1 {
        font-size: 2.2rem;
    }

    .docs-categories-grid {
        grid-template-columns: 1fr;
    }

    .docs-nav-footer {
        flex-direction: column;
    }
}

/* Anchor copy button */
.docs-heading-anchor { position: relative; }
.docs-anchor-copy {
    opacity: 0; margin-left: 8px; background: none; border: none;
    color: var(--text-muted, #888); cursor: pointer; transition: opacity 0.2s;
    font-size: 0.7em; vertical-align: middle;
}
.docs-heading-anchor:hover .docs-anchor-copy { opacity: 0.6; }
.docs-anchor-copy:hover { opacity: 1 !important; color: var(--accent, #7dd3fc); }
.docs-anchor-copy.copied { opacity: 1; color: var(--accent, #7dd3fc); }

/* Related articles */
.docs-related { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border-subtle, rgba(255,255,255,0.08)); }
.docs-related h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 16px; color: var(--text, #e2e8f0); }
.docs-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.docs-related-card {
    display: block; padding: 16px; border-radius: 12px;
    background: var(--bg-primary, rgba(15,23,42,0.6)); border: 1px solid var(--border-subtle, rgba(255,255,255,0.06));
    text-decoration: none; transition: border-color 0.2s, transform 0.2s;
}
.docs-related-card:hover { border-color: var(--accent, #7dd3fc); transform: translateY(-2px); }
.docs-related-title { font-weight: 600; font-size: 0.95rem; color: var(--text, #e2e8f0); margin-bottom: 6px; }
.docs-related-desc { font-size: 0.82rem; color: var(--text-muted, #94a3b8); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Search modal */
.docs-search-modal {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
    display: flex; align-items: flex-start; justify-content: center;
    padding-top: 15vh; opacity: 0; transition: opacity 0.15s;
}
.docs-search-modal.visible { opacity: 1; }
.docs-search-modal-inner {
    width: 100%; max-width: 580px;
    background: var(--bg-secondary, #1e293b); border: 1px solid var(--border, rgba(255,255,255,0.1));
    border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.docs-search-modal-input {
    width: 100%; padding: 16px 20px; font-size: 1rem;
    background: transparent; border: none; outline: none;
    color: var(--text, #e2e8f0); font-family: inherit;
}
.docs-search-modal-input::placeholder { color: var(--text-muted, #64748b); }
.docs-search-modal .docs-search-results {
    position: static; border-top: 1px solid var(--border-subtle, rgba(255,255,255,0.06));
    max-height: 360px; overflow-y: auto; background: transparent;
    border-radius: 0; box-shadow: none;
}

/* Ctrl+K badge on hub search */
.docs-search-kbd {
    position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px; padding: 2px 8px; font-size: 0.75rem;
    color: var(--text-muted, #64748b); font-family: 'JetBrains Mono', monospace;
    pointer-events: none;
}

/* Module docs link */
.module-docs-link {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 0.82rem; color: var(--accent, #7dd3fc);
    text-decoration: none; opacity: 0.8; transition: opacity 0.2s;
}
.module-docs-link:hover { opacity: 1; text-decoration: underline; }

@media (max-width: 480px) {
    .docs-hero {
        padding: 120px 16px 40px;
    }

    .docs-hero h1 {
        font-size: 1.8rem;
    }

    .docs-container {
        padding: 0 16px 60px;
    }

    .docs-content h1 {
        font-size: 1.6rem;
    }
}