/* ==========================================================================
   QuantaBible layout — navbar, mobile drawer, search bar, translation modal,
   mobile book nav, main content, footer, onboarding modal.
   Requires tokens.css (+ base.css, components.css) first.
   ========================================================================== */

/* ===== UNIFIED NAVBAR ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 900;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.nav-bar-inner {
    display: flex;
    align-items: center;
    height: var(--nav-height);
    gap: var(--space-2);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Brand */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}
.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.01em;
    white-space: nowrap;
}

/* Nav links — shared style for all nav items */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
}
.nav-links a, .nav-links button.nav-link-btn {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 13.5px;
    font-family: var(--font-ui);
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
    border: none;
    background: none;
    cursor: pointer;
    line-height: 1.4;
}
.nav-links a:hover, .nav-links button.nav-link-btn:hover {
    background: var(--color-surface-alt);
    color: var(--color-text-primary);
}
.nav-links a.active {
    color: var(--color-accent);
    background: var(--color-accent-light);
}

/* Spacer pushes right items to the end */
.nav-spacer { flex: 1; }

/* Features dropdown */
.nav-features-wrap { position: relative; }
.nav-features-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--color-text-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 13.5px;
    font-family: var(--font-ui);
    border: none;
    background: none;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}
.nav-features-btn:hover, .nav-features-btn.open {
    background: var(--color-surface-alt);
    color: var(--color-text-primary);
}
.nav-features-btn svg {
    width: 12px; height: 12px; fill: currentColor;
    transition: transform 0.2s;
}
.nav-features-btn.open svg { transform: rotate(180deg); }
.nav-features-btn.has-active { color: var(--color-accent); }
.nav-features-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    min-width: 200px;
    z-index: 950;
}
.nav-features-dropdown.open { display: block; }
.nav-features-dropdown a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    font-family: var(--font-ui);
    transition: background 0.12s;
}
.nav-features-dropdown a:hover { background: var(--color-surface-alt); }
.nav-features-dropdown a.active {
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-weight: 600;
}
.nav-features-dropdown .nfd-icon {
    font-size: 15px; width: 20px; text-align: center; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
}
.nav-features-dropdown .nfd-icon .lucide { width: 16px; height: 16px; }
.nav-features-dropdown .nfd-sep {
    height: 1px;
    background: var(--color-border);
    margin: 4px 8px;
}

/* Search button */
.nav-search-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.nav-search-btn:hover {
    background: var(--color-surface-alt);
    color: var(--color-accent);
}
.nav-search-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }

/* User avatar */
.nav-user-wrap { position: relative; }
.nav-user-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--brand-olive-light); color: var(--brand-olive);
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 13px; font-family: var(--font-body);
    cursor: pointer; border: 2px solid var(--border-light);
    transition: border-color 0.15s, box-shadow 0.15s;
    text-transform: uppercase; line-height: 1; text-decoration: none;
}
.nav-user-avatar:hover { border-color: var(--brand-olive); box-shadow: var(--shadow-sm); }
.nav-user-dropdown {
    display: none; position: absolute; top: calc(100% + 8px); right: 0;
    background: var(--bg-card); border: 1px solid var(--border-light);
    border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
    padding: 6px; min-width: 180px; z-index: 960;
}
.nav-user-dropdown.open { display: block; }
.nav-user-dropdown a, .nav-user-dropdown button {
    display: flex; align-items: center; gap: 8px; padding: 8px 12px;
    border-radius: 6px; color: var(--text-primary); text-decoration: none;
    font-size: 13.5px; font-weight: 500; font-family: var(--font-body);
    transition: background 0.12s; border: none; background: none;
    cursor: pointer; width: 100%; text-align: left;
}
.nav-user-dropdown a:hover, .nav-user-dropdown button:hover { background: var(--bg-sidebar); }
.nav-user-dropdown .lucide { width: 16px; height: 16px; }
.nav-user-dropdown .nud-sep { height: 1px; background: var(--border-light); margin: 4px 8px; }
.nav-user-dropdown .nud-danger { color: var(--color-danger); }
.nav-user-dropdown .nud-danger:hover { background: var(--danger-bg); }

/* Search bar (expandable) */
.nav-search-bar {
    display: none;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) 0;
}
.nav-search-bar.open { display: block; }
.nav-search-form {
    display: flex;
    gap: var(--space-2);
    max-width: 560px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}
.nav-search-form input {
    flex: 1;
    padding: 8px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-size: 14px;
    font-family: var(--font-ui);
}
.nav-search-form input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: var(--focus-ring);
}
.nav-search-form button[type="submit"] {
    background: var(--color-cta);
    color: var(--color-cta-text);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 500;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 13px;
    font-family: var(--font-ui);
    transition: background 0.15s;
}
.nav-search-form button[type="submit"]:hover { background: var(--color-cta-hover); }

/* Logout */
.logout-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    transition: color 0.15s, background 0.15s;
}
.logout-btn:hover {
    color: var(--color-danger);
    background: var(--danger-bg);
}

/* Mobile hamburger */
.nav-hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-primary);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    line-height: 1;
}
.nav-hamburger svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.nav-hamburger:hover { background: var(--color-surface-alt); }

/* Mobile drawer */
.nav-mobile-drawer {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 950;
}
.nav-mobile-drawer.open { display: block; }
.nav-mobile-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.3);
}
.nav-mobile-panel {
    position: absolute;
    top: 0; right: 0;
    width: 280px;
    max-width: 85vw;
    height: 100%;
    background: var(--color-bg);
    box-shadow: -4px 0 24px rgba(0,0,0,0.12);
    padding: var(--space-5) var(--space-4);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.nav-mobile-panel .nmp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}
.nav-mobile-panel .nmp-close {
    background: none; border: none; font-size: 1.4rem;
    color: var(--color-text-secondary); cursor: pointer; padding: 4px;
}
.nav-mobile-panel a, .nav-mobile-panel button.nmp-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font-ui);
    border: none;
    background: none;
    cursor: pointer;
    width: 100%;
    text-align: left;
    transition: background 0.12s;
}
.nav-mobile-panel a:hover, .nav-mobile-panel button.nmp-link:hover { background: var(--color-surface-alt); }
.nav-mobile-panel a.active { background: var(--color-accent-light); color: var(--color-accent); font-weight: 600; }
.nav-mobile-panel .lucide { width: 18px; height: 18px; }
.nav-mobile-panel .nmp-sep {
    height: 1px;
    background: var(--color-border);
    margin: 6px 0;
}
.nav-mobile-panel .nmp-section {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 14px 12px 4px;
    border-top: 1px solid var(--color-border);
    margin-top: 6px;
}
.nav-mobile-panel .nmp-section:first-of-type {
    border-top: none;
    margin-top: 0;
}
.nav-mobile-panel .nmp-resume {
    display: block;
    margin: 10px 8px 6px;
    padding: 12px 14px;
    background: var(--color-accent-light);
    color: var(--color-accent) !important;
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: background 0.15s, transform 0.1s;
}
.nav-mobile-panel .nmp-resume:hover {
    background: var(--color-accent);
    color: var(--color-cta-text) !important;
    transform: translateY(-1px);
}
.nav-mobile-panel .nmp-resume-kicker {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.75;
    margin-bottom: 2px;
}
.nav-mobile-panel .nmp-resume-text {
    font-family: var(--font-display);
    font-size: 1.02rem;
    font-weight: 600;
    line-height: 1.2;
}
.nav-mobile-panel .nmp-resume-arrow {
    margin-left: 4px;
    opacity: 0.7;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    padding: var(--space-6) 0 0 0;
}
@media (max-width: 768px) {
    /* Stop any stray wide content (e.g. long progress-dot rows) from
       pushing the viewport wider than the screen on mobile. */
    html, body {
        max-width: 100vw;
        overflow-x: hidden;
    }
}
.content-wrapper {
    background: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    border: none;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-sidebar);
    color: var(--text-secondary);
    padding: var(--space-7) 0 var(--space-5);
    margin-top: var(--space-7);
    font-size: var(--text-sm);
    font-family: var(--font-body);
    border-top: 1px solid var(--border-light);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-5);
}
.footer-col { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-heading { color: var(--text-heading); font-size: var(--text-sm); font-weight: 600; margin-bottom: var(--space-1); }
.footer-col p { color: var(--text-secondary); font-size: var(--text-sm); line-height: 1.5; margin: 0; }
.footer-col a { color: var(--text-secondary); text-decoration: none; font-size: var(--text-sm); transition: color 0.15s; }
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom { border-top: 1px solid var(--border-light); padding-top: var(--space-4); text-align: center; font-size: var(--text-xs); color: var(--text-muted); }
.footer-bottom p { margin: 0; }

/* ===== NAV VERSION BUTTON ===== */
.nav-version-btn {
    font-size: 0.78em;
    font-family: var(--font-ui);
    color: var(--color-accent);
    background: transparent;
    border: 1.5px solid var(--color-border);
    border-radius: 8px;
    padding: 0.2em 0.6em;
    cursor: pointer;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background 0.15s, border-color 0.15s;
    margin-left: 0.5em;
}
.nav-version-btn:hover { background: var(--color-accent-light); border-color: var(--color-accent); }

/* Global translation modal */
.nav-trans-modal-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4); z-index: 9999;
    justify-content: center; align-items: center;
}
.nav-trans-modal-overlay.open { display: flex; }
.nav-trans-modal {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-lg); padding: 1.5em 2em;
    min-width: 280px; max-width: 420px; width: 90vw;
    box-shadow: var(--shadow-lg);
    position: relative; max-height: 85vh; overflow-y: auto;
}
.nav-trans-modal-close {
    position: absolute; top: 10px; right: 14px; background: none; border: none;
    font-size: 1.4rem; color: var(--color-text-secondary); cursor: pointer; z-index: 2;
    width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
    border-radius: 6px; transition: background 0.15s;
}
.nav-trans-modal-close:hover { background: var(--color-surface-alt); color: var(--color-text-primary); }
.nav-trans-modal h3 {
    font-family: var(--font-display); font-size: 1.3em;
    color: var(--color-accent); margin: 0 0 0.8em; text-align: center;
}
.nav-trans-list { display: flex; flex-direction: column; gap: 0.4em; }
.nav-trans-list a {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.7em 1em; border-radius: 8px; text-decoration: none;
    color: var(--color-text-primary); font-size: 0.95em;
    font-family: var(--font-ui); transition: background 0.15s;
    border: 1px solid transparent; cursor: pointer;
    min-height: 44px;
}
.nav-trans-list a:hover { background: var(--color-surface-alt); }
.nav-trans-list a.active { background: var(--color-accent-light); font-weight: 600; border-color: var(--color-accent); }
.nav-trans-list .t-short { font-weight: 600; color: var(--color-accent); min-width: 3em; }
.nav-trans-list .t-full { flex: 1; margin-left: 0.8em; font-size: 0.88em; color: var(--color-text-secondary); }
.nav-trans-list .t-default-check {
    display: flex; align-items: center; gap: 0.3em; font-size: 0.78em;
    color: var(--color-text-secondary); cursor: pointer; margin-left: 0.5em; flex-shrink: 0;
}
.nav-trans-list .t-default-check input[type="checkbox"] {
    accent-color: var(--color-accent); width: 15px; height: 15px; cursor: pointer;
}
.nav-trans-list .t-default-label { white-space: nowrap; }

/* Mobile book nav (only visible on mobile, only populated on book_detail) */
.nav-book-nav-mobile { display: none; }
.nav-book-nav-mobile .nb-arrow {
    display: inline-flex; align-items: center; justify-content: center;
    width: 26px; height: 26px; border-radius: 6px;
    color: var(--color-text-secondary); text-decoration: none;
    transition: background 0.15s, color 0.15s; flex-shrink: 0;
}
.nav-book-nav-mobile .nb-arrow:hover { background: var(--color-surface-alt); color: var(--color-text-primary); }
.nav-book-nav-mobile .nb-label {
    font-size: 0.72em; font-family: var(--font-ui); font-weight: 600;
    color: var(--color-text-primary); white-space: nowrap;
    background: none; border: 1.5px solid var(--color-border); border-radius: 6px;
    padding: 0.15em 0.4em; cursor: pointer; transition: background 0.15s, border-color 0.15s;
}
.nav-book-nav-mobile .nb-label:hover { background: var(--color-accent-light); border-color: var(--color-accent); }

/* ===== ONBOARDING MODAL ===== */
.ob-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 9999; display: none; align-items: center; justify-content: center; }
.ob-overlay.active { display: flex; }
.ob-modal { background: var(--color-bg); border-radius: var(--radius-xl); width: 90%; max-width: 520px; max-height: 90vh; overflow-y: auto; position: relative; box-shadow: var(--shadow-lg); padding: 2rem; }
.ob-close { position: absolute; top: 12px; right: 16px; background: none; border: none; font-size: 1.4rem; color: var(--color-text-secondary); cursor: pointer; z-index: 2; }
.ob-close:hover { color: var(--color-text-primary); }
.ob-progress { display: flex; justify-content: center; gap: 8px; margin-bottom: 1.5rem; }
.ob-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color-border); transition: background 0.2s; }
.ob-dot.active { background: var(--color-accent); }
.ob-dot.done { background: var(--color-cta); }
.ob-step { display: none; }
.ob-step.active { display: block; }
.ob-step h2 { font-family: var(--font-display); font-size: 1.3rem; color: var(--color-text-primary); margin-bottom: 0.3rem; text-align: center; }
.ob-step p.ob-subtitle { font-family: var(--font-ui); font-size: 0.88rem; color: var(--color-text-secondary); text-align: center; margin-bottom: 1.2rem; }
.ob-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; margin-bottom: 1rem; }
.ob-card { border: 2px solid var(--color-border); border-radius: var(--radius-lg); padding: 1rem; cursor: pointer; transition: all 0.15s; text-align: center; background: var(--color-surface); }
.ob-card:hover { border-color: var(--color-accent); background: var(--color-accent-light); }
.ob-card.selected { border-color: var(--color-accent); background: var(--color-accent); color: #fff; }
.ob-card .ob-card-label { font-family: var(--font-ui); font-size: 0.9rem; font-weight: 600; margin-bottom: 0.2rem; }
.ob-card .ob-card-desc { font-family: var(--font-reading); font-size: 0.78rem; opacity: 0.8; line-height: 1.4; }
.ob-card.selected .ob-card-desc { color: rgba(255,255,255,0.85); }
.ob-input-wrap { margin-bottom: 1rem; }
.ob-input-wrap input { width: 100%; padding: 0.7rem 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-md); font-size: 0.95rem; font-family: var(--font-ui); background: var(--color-surface); color: var(--color-text-primary); box-sizing: border-box; }
.ob-input-wrap input:focus { outline: none; border-color: var(--color-accent); box-shadow: var(--focus-ring); }
.ob-radios { display: flex; flex-direction: column; gap: 0.7rem; margin-bottom: 1rem; }
.ob-radio { border: 2px solid var(--color-border); border-radius: var(--radius-lg); padding: 0.8rem 1rem; cursor: pointer; transition: all 0.15s; display: flex; align-items: center; gap: 0.8rem; }
.ob-radio:hover { border-color: var(--color-accent); }
.ob-radio.selected { border-color: var(--color-accent); background: var(--color-accent-light); }
.ob-radio .ob-radio-dot { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--color-border); flex-shrink: 0; position: relative; }
.ob-radio.selected .ob-radio-dot { border-color: var(--color-accent); }
.ob-radio.selected .ob-radio-dot::after { content: ''; position: absolute; inset: 3px; border-radius: 50%; background: var(--color-accent); }
.ob-radio .ob-radio-text { font-family: var(--font-ui); font-size: 0.88rem; color: var(--color-text-primary); }
.ob-btns { display: flex; justify-content: space-between; align-items: center; margin-top: 1.2rem; gap: 0.8rem; }
.ob-btn { font-family: var(--font-ui); font-weight: 600; font-size: 0.88rem; padding: 0.6rem 1.5rem; border-radius: var(--radius-md); border: none; cursor: pointer; transition: all 0.15s; }
.ob-btn-back { background: none; color: var(--color-text-secondary); padding: 0.6rem 0.8rem; }
.ob-btn-back:hover { color: var(--color-text-primary); }
.ob-btn-next { background: var(--color-cta); color: var(--color-cta-text); }
.ob-btn-next:hover { background: var(--color-cta-hover); }
.ob-btn-next:disabled { opacity: 0.4; cursor: not-allowed; }
.ob-btn-skip { background: none; color: var(--color-text-secondary); font-size: 0.82rem; text-decoration: underline; }
.ob-btn-skip:hover { color: var(--color-text-primary); }
.ob-result-greeting { font-family: var(--font-display); font-size: 1.3rem; color: var(--color-text-primary); text-align: center; margin-bottom: 0.3rem; }
.ob-result-plan { font-family: var(--font-display); font-size: 1rem; color: var(--color-accent); text-align: center; margin-bottom: 0.2rem; font-weight: 600; }
.ob-result-desc { font-family: var(--font-reading); font-size: 0.85rem; color: var(--color-text-secondary); text-align: center; margin-bottom: 1rem; }
.ob-result-translation { font-family: var(--font-ui); font-size: 0.78rem; color: var(--color-text-secondary); text-align: center; margin-bottom: 1rem; }
.ob-readings-list { list-style: none; padding: 0; margin: 0 0 1.2rem; }
.ob-readings-list li { padding: 0.5rem 0; border-bottom: 1px solid var(--color-border); font-family: var(--font-ui); font-size: 0.85rem; display: flex; gap: 0.5rem; align-items: baseline; }
.ob-readings-list li:last-child { border-bottom: none; }
.ob-readings-list .ob-r-num { color: var(--color-accent); font-weight: 700; min-width: 1.2rem; }
.ob-readings-list .ob-r-title { font-weight: 600; color: var(--color-text-primary); }
.ob-readings-list .ob-r-desc { color: var(--color-text-secondary); font-size: 0.8rem; }
.ob-result-actions { display: flex; flex-direction: column; gap: 0.6rem; align-items: center; }
.ob-start-btn { display: inline-block; background: var(--color-cta); color: var(--color-cta-text); padding: 0.7rem 2rem; border-radius: var(--radius-md); font-family: var(--font-ui); font-weight: 600; font-size: 0.95rem; text-decoration: none; border: none; cursor: pointer; transition: background 0.15s; }
.ob-start-btn:hover { background: var(--color-cta-hover); }
.ob-view-link { font-family: var(--font-ui); font-size: 0.82rem; color: var(--color-accent); text-decoration: underline; }
@media (max-width: 768px) {
    .ob-modal { width: 100%; height: 100%; max-width: 100%; max-height: 100%; border-radius: 0; padding: 1.5rem 1.2rem; }
    .ob-cards { grid-template-columns: 1fr; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    :root { --nav-height: 50px; }
    .nav-bar-inner { padding: 0 var(--space-3); }
    .logo-text { font-size: 1rem; }
    .nav-links.desktop-links { display: none; }
    .nav-hamburger { display: inline-flex; }
    .nav-features-wrap { display: none; }
    .nav-user-wrap { display: none; }
    .container { padding: 0 var(--space-3); }
    .main-content { padding: var(--space-4) 0 0 0; }
    .footer-grid { grid-template-columns: 1fr; gap: var(--space-4); }
    .nav-version-btn { font-size: 0.82em; padding: 0.35em 0.6em; margin-left: 0.2em; min-height: 32px; min-width: 32px; position: relative; z-index: 2; touch-action: manipulation; }
    .nav-book-nav-mobile { display: flex; align-items: center; gap: 0.15em; margin-left: 0.3em; }
}