:root{color-scheme:light;--app-bg: #f5f5f4;--app-surface: #ffffff;--app-surface-muted: #fafaf9;--app-text: #1c1917;--app-muted: #57534e;--app-subtle: #78716c;--app-border: #d6d3d1;--app-border-soft: #e7e5e4;--app-primary: #0f766e;--app-primary-strong: #115e59;--app-primary-focus: #14b8a6;color:var(--app-text);background:var(--app-bg);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Helvetica Neue,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}:root[data-theme=dark]{color-scheme:dark;--app-bg: #121212;--app-surface: #1e1e1e;--app-surface-muted: #18181b;--app-text: #e7e5e4;--app-muted: #a8a29e;--app-subtle: #8b8580;--app-border: #3f3f46;--app-border-soft: #2f2f35;--app-primary: #14b8a6;--app-primary-strong: #2dd4bf;--app-primary-focus: #5eead4}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;background:var(--app-bg)}a{color:inherit}button{font:inherit}.app-shell{width:min(1280px,100%);margin:0 auto;padding:24px}.launcher-shell{display:flex;width:100%;height:100dvh;max-width:none;flex-direction:column;overflow:hidden;padding:14px 18px 0}.topbar{display:grid;grid-template-columns:minmax(220px,1fr) auto auto;gap:16px;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--app-border)}.launcher-topbar{flex:0 0 auto;grid-template-columns:minmax(170px,max-content) minmax(220px,1fr) minmax(220px,320px) auto;gap:12px;padding-bottom:10px}.title-block{min-width:0}.app-name{margin:0 0 4px;color:var(--app-muted);font-size:14px}h1,h2,h3,p{margin-top:0}h1{margin-bottom:0;font-size:24px;line-height:1.2}.topbar-actions{display:inline-flex;gap:8px;align-items:center}.auth-controls{position:relative;display:inline-flex;min-width:0;align-items:center;gap:8px}.auth-controls.signed-in{max-width:250px;min-height:36px;padding:4px 6px;border:1px solid var(--app-border);border-radius:8px;background:var(--app-surface)}.account-avatar,.account-avatar-fallback{width:26px;height:26px;flex:0 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p{color:var(--app-muted)}.collection-tabs{display:flex;min-width:0;flex-wrap:nowrap;gap:8px;align-items:center;overflow-x:auto;scrollbar-width:thin}.collection-tab,.edit-link,.clear-filter-button,.primary-button,.secondary-button,.icon-text-button,.danger-button,.secondary-link{display:inline-flex;min-height:36px;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--app-border);border-radius:8px;background:var(--app-surface);color:var(--app-text);font-size:14px;line-height:1;text-decoration:none;white-space:nowrap}.clear-filter-button,.primary-button,.secondary-button,.icon-text-button,.danger-button{cursor:pointer}.collection-tab.active,.edit-link,.primary-button{border-color:var(--app-primary);background:var(--app-primary);color:#fff}.primary-button:disabled,.secondary-button:disabled,.icon-text-button:disabled,.danger-button:disabled,.row-actions button:disabled{cursor:not-allowed;opacity:.5}.danger-button{border-color:#fca5a5;color:#991b1b}:root[data-theme=dark] .danger-button{border-color:#7f1d1d;color:#fecaca}.collection-tab:focus-visible,.edit-link:focus-visible,.theme-select select:focus-visible,.clear-filter-button:focus-visible,.primary-button:focus-visible,.secondary-button:focus-visible,.icon-text-button:focus-visible,.danger-button:focus-visible,.secondary-link:focus-visible,.bookmark-card:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--app-primary-focus);outline-offset:2px}.theme-select{display:inline-flex;min-height:36px;align-items:center;gap:8px;color:var(--app-muted);font-size:14px}.theme-select select{min-height:36px;padding:7px 28px 7px 10px;border:1px solid var(--app-border);border-radius:8px;background:var(--app-surface);color:var(--app-text);cursor:pointer}.launcher-tools{display:flex;min-height:52px;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--app-border-soft)}.filter-readout{display:flex;min-width:0;min-height:36px;align-items:center;gap:10px;padding:0 10px;border:1px solid var(--app-border-soft);border-radius:8px;background:var(--app-surface);color:var(--app-muted);font-size:14px}.filter-terms{display:flex;flex-wrap:wrap;gap:6px;min-width:0}.filter-token{max-width:120px;overflow:hidden;padding:4px 7px;border:1px solid var(--app-border);border-radius:6px;background:var(--app-surface);color:var(--app-text);text-overflow:ellipsis;white-space:nowrap}.filter-placeholder{overflow:hidden;color:var(--app-subtle);text-overflow:ellipsis;white-space:nowrap}.shelf-list{display:flex;flex:1 1 auto;flex-direction:column;gap:30px;min-height:0;overflow:auto;overscroll-behavior:contain;padding:0 2px 24px;scrollbar-gutter:stable;scrollbar-width:thin}.bookmark-shelf{flex:0 0 auto}.shelf-heading{position:sticky;top:0;z-index:2;display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px;padding:12px 0 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