/* ═══════════════════════════════════════════════════════
   Night Sky Viewer — Equipment Manual / Guide Page
   "Observatory Brass" theme extension
   Styled after 1980s technical equipment manuals:
   heavy section dividers, monospaced reference tables,
   cross-hatched diagrams, margin annotations.
   ═══════════════════════════════════════════════════════ */

/* ── Guide Layout Shell ── */
.guide-container {
    display: flex;
    min-height: 100vh;
    background: var(--bg-primary);
}

/* ── Sticky Sidebar Table of Contents ── */
.guide-toc {
    position: sticky;
    top: 0;
    width: 280px;
    min-width: 280px;
    height: 100vh;
    overflow-y: auto;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem 0;
    z-index: 50;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--bg-secondary);
}

.guide-toc::-webkit-scrollbar { width: 4px; }
.guide-toc::-webkit-scrollbar-track { background: var(--bg-secondary); }
.guide-toc::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 2px; }
.guide-toc::-webkit-scrollbar-thumb:hover { background: var(--amber-dim); }

.toc-header {
    padding: 0 1.25rem 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0.75rem;
}

.toc-header h2 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--amber);
    letter-spacing: 0.02em;
    margin-bottom: 0.25rem;
}

.toc-header .toc-subtitle {
    font-family: var(--font-mono);
    font-size: 0.563rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.toc-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-nav li {
    margin: 0;
}

.toc-nav a {
    display: block;
    padding: 0.4rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.688rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: all 0.2s ease;
    letter-spacing: 0.02em;
}

.toc-nav a:hover {
    color: var(--amber);
    background: var(--amber-glow);
    border-left-color: var(--amber-dim);
}

.toc-nav a.active {
    color: var(--amber);
    border-left-color: var(--amber);
    background: var(--amber-glow);
}

/* Indented sub-items */
.toc-nav .toc-sub a {
    padding-left: 2.25rem;
    font-size: 0.625rem;
    color: var(--text-muted);
}

.toc-nav .toc-sub a:hover {
    color: var(--amber-dim);
}

.toc-nav .toc-sub a.active {
    color: var(--amber-dim);
    border-left-color: var(--amber-dim);
}

/* Section group labels in TOC */
.toc-group-label {
    display: block;
    padding: 0.75rem 1.25rem 0.25rem;
    font-family: var(--font-mono);
    font-size: 0.5rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.toc-group-label::before {
    content: '// ';
    color: var(--amber-dim);
    opacity: 0.5;
}

/* ── Main Content Column ── */
.guide-main {
    flex: 1;
    max-width: 860px;
    padding: 2.5rem 3rem 4rem;
    margin: 0 auto;
}

/* ── Guide Header (top of page) ── */
.guide-page-header {
    text-align: center;
    padding-bottom: 2.5rem;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.guide-page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        var(--amber-dim),
        var(--amber),
        var(--amber-dim),
        transparent
    );
    opacity: 0.4;
}

.guide-page-header h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--amber);
    letter-spacing: 0.01em;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.guide-page-header .edition-line {
    font-family: var(--font-mono);
    font-size: 0.688rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
}

.guide-page-header .manual-number {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.563rem;
    color: var(--amber-dim);
    border: 1px solid var(--border-accent);
    padding: 0.2rem 0.625rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ── Section Styling ── */
.guide-section {
    margin-bottom: 3rem;
    scroll-margin-top: 2rem;
}

.guide-section:last-child {
    margin-bottom: 0;
}

/* Major section header — the big divider lines like 80s manuals */
.section-header {
    position: relative;
    padding: 1.25rem 0 0.75rem;
    margin-bottom: 1.5rem;
}

.section-header::before {
    content: '';
    display: block;
    height: 3px;
    background: linear-gradient(90deg,
        var(--amber) 0%,
        var(--amber-dim) 40%,
        var(--border-color) 100%
    );
    margin-bottom: 1rem;
    border-radius: 1px;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--amber);
    letter-spacing: 0.01em;
    line-height: 1.3;
}

.section-header .section-number {
    font-family: var(--font-mono);
    font-size: 0.688rem;
    font-weight: 600;
    color: var(--amber-dim);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    display: block;
    margin-bottom: 0.25rem;
}

/* Sub-section header */
.subsection-header {
    position: relative;
    padding: 0.75rem 0 0.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.subsection-header::before {
    content: '';
    display: block;
    height: 1px;
    background: linear-gradient(90deg,
        var(--amber-dim) 0%,
        var(--border-color) 60%,
        transparent 100%
    );
    margin-bottom: 0.75rem;
    opacity: 0.6;
}

.subsection-header h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.subsection-header .subsection-ref {
    font-family: var(--font-mono);
    font-size: 0.563rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.125rem;
}

/* ── Content Placeholder Blocks ── */
.content-placeholder {
    background: var(--bg-card);
    border: 1px dashed var(--border-accent);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    min-height: 80px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ── Feature Cards ── */
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--amber-dim);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    border-color: var(--amber);
    box-shadow: var(--shadow-md), 0 0 0 1px var(--amber-glow);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        var(--amber),
        var(--amber-dim),
        transparent
    );
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.feature-card-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--amber);
    margin-bottom: 0.625rem;
}

.feature-card-body {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Key feature highlight card (for Telescope View) */
.feature-card.key-feature {
    border-color: var(--amber);
    border-width: 2px;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--blue-subtle) 100%);
    box-shadow: var(--shadow-md), 0 0 20px var(--amber-glow);
}

.feature-card.key-feature::before {
    height: 3px;
    background: var(--amber);
}

.key-feature-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.563rem;
    font-weight: 600;
    color: #000;
    background: var(--amber);
    padding: 0.125rem 0.5rem;
    border-radius: 2px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.5rem;
}

/* ── Hotkey Badges (Keyboard Shortcut Pills) ── */
.hotkey {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-inset);
    border: 1px solid var(--border-hover);
    border-bottom-width: 2px;
    border-radius: 3px;
    padding: 0.125rem 0.4rem;
    line-height: 1.4;
    letter-spacing: 0.02em;
    box-shadow: 0 1px 0 var(--border-color);
    white-space: nowrap;
    vertical-align: middle;
}

.hotkey + .hotkey {
    margin-left: 0.2rem;
}

/* Hotkey in a reference table row */
.hotkey-combo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.hotkey-plus {
    font-family: var(--font-mono);
    font-size: 0.5rem;
    color: var(--text-muted);
}

/* ── Keyboard Shortcuts Reference Table ── */
.shortcuts-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin-bottom: 1.25rem;
}

.shortcuts-table thead th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    font-size: 0.563rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 2px solid var(--amber-dim);
    background: var(--bg-secondary);
}

.shortcuts-table tbody td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    vertical-align: middle;
}

.shortcuts-table tbody tr:hover {
    background: var(--amber-glow);
}

.shortcuts-table tbody tr:hover td {
    color: var(--text-primary);
}

.shortcuts-table .shortcut-key-cell {
    white-space: nowrap;
    width: 140px;
}

/* ── Step-by-Step Instructions ── */
.steps-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
    position: relative;
}

/* Vertical connecting line */
.steps-list::before {
    content: '';
    position: absolute;
    top: 0.75rem;
    bottom: 0.75rem;
    left: 14px;
    width: 1px;
    background: linear-gradient(
        to bottom,
        var(--amber-dim),
        var(--border-color)
    );
}

.step-item {
    position: relative;
    padding: 0.75rem 0 0.75rem 2.75rem;
}

.step-item + .step-item {
    border-top: none;
}

/* Step number circle */
.step-number {
    position: absolute;
    left: 0;
    top: 0.625rem;
    width: 28px;
    height: 28px;
    background: var(--bg-card);
    border: 2px solid var(--amber-dim);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.688rem;
    font-weight: 600;
    color: var(--amber);
    z-index: 2;
    transition: all 0.2s;
}

.step-item:hover .step-number {
    border-color: var(--amber);
    background: var(--amber);
    color: #000;
    box-shadow: 0 0 8px var(--amber-glow);
}

.step-content {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

/* ── Pro Tip Callout Box ── */
.pro-tip {
    background: linear-gradient(135deg, var(--blue-subtle) 0%, var(--bg-card) 100%);
    border-left: 3px solid var(--amber);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
    position: relative;
}

.pro-tip::before {
    content: 'PRO TIP';
    display: block;
    font-family: var(--font-mono);
    font-size: 0.563rem;
    font-weight: 600;
    color: var(--amber);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.375rem;
}

.pro-tip-body {
    font-family: var(--font-body);
    font-size: 0.813rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── Warning Callout ── */
.callout-warning {
    background: linear-gradient(135deg, #1a1200 0%, var(--bg-card) 100%);
    border-left: 3px solid var(--warning);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
}

.callout-warning::before {
    content: 'NOTE';
    display: block;
    font-family: var(--font-mono);
    font-size: 0.563rem;
    font-weight: 600;
    color: var(--warning);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.375rem;
}

.callout-warning .callout-body {
    font-family: var(--font-body);
    font-size: 0.813rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── Diagram / Figure Placeholder ── */
.figure-placeholder {
    background: var(--bg-inset);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin: 1.25rem 0;
    text-align: center;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.figure-placeholder .figure-label {
    font-family: var(--font-mono);
    font-size: 0.563rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.figure-placeholder .figure-description {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.figure-caption {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 0.375rem;
    letter-spacing: 0.03em;
}

/* ── Section Navigation Dots (right edge) ── */
.section-nav-dots {
    position: fixed;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    z-index: 100;
}

.section-nav-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
    border: 1px solid var(--border-hover);
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
}

.section-nav-dot:hover {
    background: var(--amber-dim);
    border-color: var(--amber-dim);
    transform: scale(1.4);
}

.section-nav-dot.active {
    background: var(--amber);
    border-color: var(--amber);
    box-shadow: 0 0 6px var(--amber-glow);
}

/* Tooltip on hover */
.section-nav-dot::before {
    content: attr(data-label);
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 0.563rem;
    color: var(--amber);
    background: var(--bg-secondary);
    border: 1px solid var(--border-accent);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.section-nav-dot:hover::before {
    opacity: 1;
}

/* ── Survey Comparison Cards ── */
.survey-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.875rem;
    margin: 1.25rem 0;
}

.survey-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    transition: border-color 0.2s, transform 0.2s;
}

.survey-card:hover {
    border-color: var(--amber-dim);
    transform: translateY(-2px);
}

.survey-card-name {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--amber);
    margin-bottom: 0.375rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.survey-card-body {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.survey-card-meta {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.survey-tag {
    font-family: var(--font-mono);
    font-size: 0.5rem;
    color: var(--text-muted);
    background: var(--bg-inset);
    border: 1px solid var(--border-color);
    padding: 0.1rem 0.4rem;
    border-radius: 2px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ── Back to Top Button ── */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--amber-dim);
    border-radius: 50%;
    color: var(--amber);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    background: var(--amber);
    color: #000;
    border-color: var(--amber);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 12px var(--amber-glow);
}

/* ── Guide Footer ── */
.guide-footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 1px solid var(--border-color);
    position: relative;
}

.guide-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        var(--amber-dim),
        transparent
    );
    opacity: 0.4;
}

.guide-footer p {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.guide-footer a {
    color: var(--amber-dim);
    text-decoration: none;
    transition: color 0.2s;
}

.guide-footer a:hover {
    color: var(--amber);
}

/* ── Header Bar (fixed top) ── */
.guide-topbar {
    position: sticky;
    top: 0;
    z-index: 200;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.625rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.guide-topbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--amber-dim) 20%,
        var(--amber) 50%,
        var(--amber-dim) 80%,
        transparent 100%
    );
    opacity: 0.4;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar-back {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.35rem 0.625rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.topbar-back:hover {
    color: var(--amber);
    border-color: var(--amber-dim);
    background: var(--bg-card);
}

.topbar-back svg {
    flex-shrink: 0;
}

.topbar-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--amber);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.topbar-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.625rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.688rem;
    transition: all 0.2s;
}

.topbar-link:hover {
    color: var(--amber);
    border-color: var(--amber-dim);
}

/* ── Mobile sidebar toggle ── */
.toc-toggle {
    display: none;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    padding: 0.35rem 0.5rem;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    transition: all 0.2s;
}

.toc-toggle:hover {
    color: var(--amber);
    border-color: var(--amber-dim);
}

/* ── Cross-reference Links ── */
.xref {
    color: var(--amber-dim);
    text-decoration: none;
    border-bottom: 1px dotted var(--amber-dim);
    transition: all 0.2s;
    font-family: var(--font-mono);
    font-size: 0.813rem;
}

.xref:hover {
    color: var(--amber);
    border-bottom-color: var(--amber);
}

/* ── Inline Code / Parameter Names ── */
.param {
    font-family: var(--font-mono);
    font-size: 0.8em;
    color: var(--amber);
    background: var(--bg-inset);
    border: 1px solid var(--border-color);
    padding: 0.05rem 0.35rem;
    border-radius: 3px;
}

/* ── Specification Tables (80s tech manual style) ── */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin: 1.25rem 0;
    border: 1px solid var(--border-accent);
}

.spec-table thead th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    font-size: 0.563rem;
    font-weight: 600;
    color: var(--amber-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 2px solid var(--amber-dim);
    background: var(--bg-secondary);
}

.spec-table tbody td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.spec-table tbody td:first-child {
    color: var(--text-primary);
    font-weight: 500;
}

.spec-table tbody tr:hover {
    background: var(--amber-glow);
}

/* ── Responsive ── */
@media (max-width: 1100px) {
    .guide-main {
        padding: 2rem 2rem 3rem;
    }

    .section-nav-dots {
        display: none;
    }
}

@media (max-width: 900px) {
    .toc-toggle {
        display: block;
    }

    .guide-container { flex-direction: column; }
    .guide-toc {
        position: fixed;
        left: -100%;
        top: 0;
        width: min(88vw, 300px);
        min-width: unset;
        height: 100dvh;
        z-index: 300;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }

    .guide-toc.open {
        left: 0;
    }

    .toc-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.7);
        z-index: 250;
    }

    .toc-overlay.visible {
        display: block;
    }

    .guide-main {
        padding: 1.5rem 1rem 2rem;
        max-width: 100%;
    }

    .guide-page-header h1 {
        font-size: 1.75rem;
    }

    .section-header h2 {
        font-size: 1.375rem;
    }

    .survey-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .guide-main {
        padding: 1rem 0.75rem 1.5rem;
    }

    .guide-page-header h1 {
        font-size: 1.375rem;
    }

    .topbar-title {
        font-size: 0.813rem;
    }

    .feature-card {
        padding: 1rem;
    }

    .step-item {
        padding-left: 2.25rem;
    }

    .shortcuts-table {
        font-size: 0.688rem;
    }
}

/* ── Print Styles ── */
@media print {
    .guide-toc,
    .guide-topbar,
    .section-nav-dots,
    .back-to-top,
    .toc-toggle,
    .toc-overlay {
        display: none !important;
    }

    .guide-main {
        max-width: 100%;
        padding: 0;
    }

    .feature-card {
        break-inside: avoid;
    }

    .guide-section {
        break-before: page;
    }
}