:root{--bg: #15181d;--bg-2: #1d2127;--bg-3: #262b33;--border: #343b45;--text: #e8eaed;--text-dim: #9aa3ad;--accent: #34c759;--accent-2: #32ade6;--danger: #ff453a;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px;overscroll-behavior:none}.app{height:100%;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;gap:20px;padding:8px 16px;background:var(--bg-2);border-bottom:1px solid var(--border);flex-shrink:0}.brand{font-weight:700;font-size:16px;color:var(--text);text-decoration:none}.app-header nav{display:flex;gap:4px}.app-header nav a{color:var(--text-dim);text-decoration:none;padding:6px 12px;border-radius:6px}.app-header nav a.active,.app-header nav 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.controls{flex:1;min-width:0}.picker-view{align-items:center;justify-content:center}.picker-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.picker-row select{min-width:220px}.library-view{overflow-y:auto;display:block}.library-view.drag-over{outline:3px dashed var(--accent);outline-offset:-8px}.library-header{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:12px}.library-header h2{margin:0;font-size:18px}.filter-group{display:flex;gap:4px;flex:1}.banner{padding:8px 12px;border-radius:8px;margin-bottom:8px}.banner.info{background:#0f3a52}.banner.error{background:#4a1614}.empty-state{text-align:center;color:var(--text-dim);padding:60px 20px;line-height:1.7}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.card{background:var(--bg-2);border:1px solid var(--border);border-radius:10px;overflow:hidden}.card.selected{border-color:var(--accent);box-shadow:0 0 0 1px 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var(--border);border-radius:12px;padding:18px;width:100%;max-width:440px;display:flex;flex-direction:column;gap:10px;max-height:90vh;overflow-y:auto}.modal h3{margin:0 0 4px}.modal label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--text-dim);flex:1}.form-row{display:flex;gap:10px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:6px}@media(max-width:760px){.view{padding:6px}.compare-panels{flex-direction:row}.overlay-controls{flex-direction:column}.info-row{flex-wrap:wrap;gap:8px}.btn.tool{width:36px}}@media(max-width:760px)and (orientation:portrait){.compare-panels{flex-direction:column}}