:root{--bg: #0f1115;--panel: #1a1d24;--panel-2: #22262f;--border: #2e333d;--text: #e6e8eb;--muted: #8b919b;--accent: #3b82f6;--danger: #ef4444}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.page{max-width:1100px;margin:0 auto;padding:24px 16px}header h1{margin:0 0 4px;font-size:22px}header p{margin:0;color:var(--muted);font-size:14px}.upload-page header{margin-bottom:20px}.dropzone{border:2px dashed var(--border);border-radius:12px;padding:48px 24px;text-align:center;background:var(--panel);transition:border-color .15s,background .15s}.dropzone.drag{border-color:var(--accent);background:var(--panel-2)}.dropzone p{color:var(--muted);margin:0 0 16px}.buttons{display:flex;gap:12px;justify-content:center}button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:9px 16px;font-size:14px;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button.again{margin-top:16px;background:var(--panel-2);border:1px solid var(--border)}.status{color:var(--muted)}.error{color:var(--danger)}.share-card{margin-top:20px;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px}.share-card h3{margin:0 0 8px}.share-card label{display:block;color:var(--muted);font-size:13px;margin:12px 0 6px}.link-row{display:flex;gap:8px}.link-row input{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:9px 12px;color:var(--text);font-size:14px}.share-card a{display:inline-block;margin-top:14px;color:var(--accent);text-decoration:none}.viewer-page{max-width:100%;padding:10px 14px;height:100dvh;display:flex;flex-direction:column;overflow:hidden}.viewer-page header{flex:0 0 auto;margin-bottom:8px}.patient{font-size:13px}.viewer-layout{flex:1;display:flex;flex-direction:row;gap:8px;min-height:0}.gallery-panel{flex:0 0 300px;width:300px;overflow-y:auto;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:10px}.viewer-panel{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column}.viewer{flex:1;display:flex;flex-direction:column;background:#000;border:1px solid var(--border);border-radius:10px;overflow:hidden;position:relative;min-height:0}.toolbar{flex:0 0 auto;display:flex;align-items:center;gap:14px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--border);font-size:13px}.toolbar .wl{color:var(--text)}.toolbar .hint{color:var(--muted);margin-left:auto}.toolbar .frame{display:flex;align-items:center;gap:8px}.toolbar .frame input[type=range]{width:160px}.viewport{flex:1;width:100%;min-height:260px;background:#000}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:15px;pointer-events:none}.overlay.error{color:var(--danger)}.series-group{margin-bottom:10px}.series-group:last-child{margin-bottom:0}.series-title{color:var(--muted);font-size:12px;margin-bottom:6px}.thumbs{display:flex;flex-wrap:wrap;gap:8px}.thumb{flex:0 0 auto;width:72px;padding:0;background:var(--bg);border:2px solid transparent;border-radius:6px;overflow:hidden;cursor:pointer;display:flex;flex-direction:column;align-items:center}.thumb img{width:64px;height:64px;object-fit:cover;display:block}.thumb-label{font-size:10px;color:var(--muted);line-height:1.5}.thumb.active{border-color:var(--accent)}@media (max-width: 768px){.viewer-layout{flex-direction:column}.viewer-panel{order:-1}.gallery-panel{flex:0 0 auto;width:100%;max-height:190px}.thumbs{flex-wrap:nowrap;overflow-x:auto}.toolbar{flex-wrap:wrap;gap:8px 10px;padding:6px 8px}.toolbar .hint{display:none}.toolbar .frame input[type=range]{width:120px}}