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var(--transition)}.mini-action-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.mini-action-btn:disabled{opacity:.45;cursor:not-allowed}.mini-action-btn.danger:hover:not(:disabled){border-color:var(--danger);color:var(--danger);background:#c46b5a14}.mini-action-btn.danger{color:var(--danger)}.mini-action-btn:disabled{color:var(--text-muted)}.main-content{position:relative;flex:1;display:flex;align-items:center;justify-content:center;background:#000}.empty-load-state{position:absolute;top:50%;left:50%;z-index:12;display:grid;justify-items:center;gap:14px;width:min(100% - 40px,360px);transform:translate(-50%,-50%);text-align:center}.empty-load-state__eyebrow{margin:0;font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.14em;color:var(--accent)}.empty-load-state__title{margin:0;color:var(--text-primary);font-family:var(--font-ui);font-size:22px;line-height:1.2}.empty-load-state__copy{margin:0;color:var(--text-secondary);font-family:var(--font-ui);font-size:13px}.empty-load-state__arrow{color:var(--accent);animation:empty-load-arrow 1.6s ease-in-out infinite}@keyframes empty-load-arrow{50%{transform:translate(-7px)}}.sidebar-panel--empty-state-focus{position:relative;box-shadow:inset 3px 0 0 var(--accent)}.sidebar-panel-header-title{display:inline-flex;align-items:center;gap:8px}.sidebar-panel-start-hint{padding:3px 6px;border:1px solid color-mix(in srgb,var(--accent) 55%,transparent);border-radius:var(--radius-sm);background:var(--accent-dim);color:var(--accent);font-family:var(--font-mono);font-size:9px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.mobile-bottom-nav,.mobile-floating-share{display:none}.share-confirm-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1300;display:flex;align-items:center;justify-content:center;padding:20px;background:#070605b8;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.share-confirm-modal{width:min(100%,560px);max-height:min(720px,calc(100dvh - 40px));display:flex;flex-direction:column;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-panel);box-shadow:0 24px 72px #00000080;overflow:hidden}.share-confirm-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:18px 18px 14px;border-bottom:1px solid var(--border)}.share-confirm-kicker{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}.share-confirm-title{margin-top:6px;font-size:20px;color:var(--text-primary)}.share-confirm-body{min-height:0;overflow-y:auto;display:grid;gap:14px;padding:18px}.share-confirm-copy{font-size:13px;line-height:1.65;color:var(--text-secondary)}.share-confirm-section{display:grid;gap:8px}.share-confirm-section-title{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.share-confirm-file-list{display:grid;gap:7px}.share-confirm-file,.share-confirm-detail-row{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:36px;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-surface)}.share-confirm-file-name,.share-confirm-detail-row strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-primary);font-size:12px}.share-confirm-file-meta,.share-confirm-detail-row span{flex-shrink:0;color:var(--text-muted);font-family:var(--font-mono);font-size:10px}.share-confirm-error{padding:10px;border:1px solid rgba(196,107,90,.28);border-radius:var(--radius-md);background:#c46b5a14;color:var(--danger);font-size:12px;line-height:1.5}.share-confirm-actions{display:flex;justify-content:flex-end;gap:10px;padding:14px 18px 18px;border-top:1px solid var(--border)}.info-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:20px;background:#070605ad;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1200}.info-modal{width:min(100%,460px);border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-panel);box-shadow:0 24px 64px #00000073;overflow:hidden}.info-modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:18px 18px 14px;border-bottom:1px solid var(--border)}.info-modal-kicker{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}.info-modal-title{margin-top:6px;font-size:20px;color:var(--text-primary)}.info-modal-close{width:28px;height:28px;border:1px solid var(--border);border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);font-size:18px;line-height:1;cursor:pointer;transition:color var(--transition),border-color var(--transition),background var(--transition)}.info-modal-close:hover{color:var(--accent);border-color:var(--border-glow);background:var(--accent-dim)}.info-modal-body{display:flex;flex-direction:column;gap:12px;padding:18px}.info-modal-copy{font-size:13px;line-height:1.75;color:var(--text-secondary)}@media(max-width:900px){.main-content{min-height:0}}@media(max-width:640px),(max-width:900px)and (max-height:480px){.spine-viewer{flex-direction:column;min-height:100dvh}.sidebar{width:auto;min-width:0}.sidebar--mobile-sheet{position:fixed;left:0;right:0;bottom:calc(var(--mobile-bottom-nav-height) + var(--mobile-bottom-nav-gap) + var(--mobile-bottom-nav-bottom));z-index:28;height:min(58dvh,520px);border-right:0;border-top:1px solid var(--border);border-bottom:0;border-radius:20px 20px 0 0;box-shadow:0 -18px 48px #0000006b;transition:height var(--transition),transform var(--transition)}.sidebar--mobile-full{height:calc(100dvh - var(--mobile-bottom-nav-height) - var(--mobile-bottom-nav-gap) - var(--mobile-bottom-nav-bottom))}.sidebar--mobile-collapsed{transform:translateY(calc(100% + var(--mobile-bottom-nav-height)));pointer-events:none}.sidebar--mobile-panel-load .sidebar-panel:not(.sidebar-panel--load),.sidebar--mobile-panel-animate .sidebar-panel:not(.sidebar-panel--animate),.sidebar--mobile-panel-inspect .sidebar-panel:not(.sidebar-panel--inspect){display:none}.sidebar--mobile-sheet .sidebar-panel--share{display:none}.sidebar-brand{position:relative;padding:18px 14px 12px}.mobile-sheet-grabber{position:absolute;top:7px;left:50%;width:42px;height:4px;border-radius:999px;background:var(--border);transform:translate(-50%)}.mobile-sheet-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.mobile-more-wrap{position:relative}.mobile-sheet-icon-btn{min-height:34px;border:1px solid var(--border);border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);font-family:var(--font-mono);font-size:10px;cursor:pointer}.mobile-sheet-icon-btn{width:34px;display:inline-flex;align-items:center;justify-content:center}.mobile-more-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:36;width:180px;display:grid;gap:4px;padding:6px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-panel);box-shadow:0 16px 36px #0000005c}.mobile-more-item{display:flex;align-items:center;min-height:38px;padding:0 10px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font-family:var(--font-ui);font-size:12px;text-align:left;text-decoration:none;cursor:pointer}.mobile-more-item:hover,.mobile-more-item:focus-visible{outline:none;background:var(--accent-dim);color:var(--accent)}.brand-spine{font-size:15px}.brand-viewer{font-size:9px;letter-spacing:.22em}.sidebar-panel-header{padding:10px 14px}.inspect-subsection{margin:0 12px 12px;padding-top:12px}.share-panel-body{padding:12px}.share-error-banner{margin:0}.main-content{display:flex;flex:1;min-height:0;padding-bottom:calc(var(--mobile-bottom-nav-height) + var(--mobile-bottom-nav-gap) + var(--mobile-bottom-nav-bottom))}.empty-load-state{top:22%;width:min(100% - 32px,300px);gap:10px}.empty-load-state__title{font-size:18px}.empty-load-state__arrow--mobile{transform:rotate(-90deg);animation-name:empty-load-arrow-mobile}@keyframes empty-load-arrow-mobile{50%{transform:translateY(7px) rotate(-90deg)}}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));position:fixed;left:12px;right:12px;bottom:var(--mobile-bottom-nav-bottom);z-index:32;gap:6px;min-height:var(--mobile-bottom-nav-height);padding:6px;border:1px solid var(--border);border-radius:18px;background:color-mix(in srgb,var(--bg-panel) 92%,transparent);box-shadow:0 16px 32px #00000047;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.mobile-nav-btn{position:relative;isolation:isolate;min-height:46px;border:1px solid transparent;border-radius:var(--radius-md);background:transparent;color:var(--text-muted);font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;transition:color var(--transition),background-color var(--transition),border-color var(--transition),box-shadow var(--transition)}.mobile-nav-btn--active:before{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;box-sizing:border-box;border:1px solid var(--border-glow);border-radius:inherit;background:color-mix(in srgb,var(--accent-dim) 86%,var(--bg-raised));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 16%,transparent);content:""}.mobile-nav-btn--active{color:var(--accent)}.mobile-nav-btn:not(:disabled):active:before{background:color-mix(in srgb,var(--accent-dim) 72%,var(--bg-raised))}.mobile-nav-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}.mobile-nav-btn:disabled{opacity:.38;cursor:not-allowed}.mobile-floating-share{display:inline-flex;position:absolute;top:max(12px,env(safe-area-inset-top));left:12px;z-index:20;align-items:center;justify-content:center;min-height:44px;padding:0 14px;border:1px solid var(--border-glow);border-radius:999px;background:var(--bg-overlay);color:var(--accent);font-family:var(--font-ui);font-size:12px;font-weight:700;cursor:pointer;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.mobile-floating-share:disabled{opacity:.45;cursor:not-allowed}.sidebar--share-preview .sidebar-brand{padding-bottom:10px}.sidebar--share-preview .sidebar-content{max-height:none}.sidebar--share-preview .sidebar-panel{border-bottom:0}.sidebar--share-preview .sidebar-panel-header{padding-bottom:8px}.sidebar--share-preview .share-preview-summary{gap:4px;padding:0 14px 12px}.sidebar--share-preview .share-preview-title{font-size:12px;line-height:1.4}.sidebar--share-preview .share-preview-copy{font-size:11px}.share-confirm-backdrop{align-items:stretch;padding:0}.share-confirm-modal{width:100%;max-height:none;min-height:100dvh;border-radius:0;border-left:0;border-right:0;border-bottom:0}.share-confirm-header{padding-top:max(18px,env(safe-area-inset-top))}.share-confirm-actions{padding-bottom:max(18px,env(safe-area-inset-bottom))}.share-confirm-actions .share-secondary-btn,.share-confirm-actions .share-primary-btn{min-height:44px;flex:1}.share-confirm-detail-row{align-items:flex-start}.share-confirm-detail-row strong,.share-confirm-file-name{white-space:normal;overflow-wrap:anywhere}.share-confirm-detail-row strong{text-align:right}}