:root{--pacs-bg: #eef1f5;--pacs-header: #ffffff;--pacs-toolbar: #f8fafc;--pacs-panel: #ffffff;--pacs-surface: #f1f5f9;--pacs-surface-hover: #e2e8f0;--pacs-surface-selected: #e0f2fe;--line-subtle: #f1f5f9;--line-base: #e2e8f0;--line-strong: #cbd5e1;--line-accent: #0284c7;--text-pure: #0f172a;--text-high: #1e293b;--text-med: #475569;--text-low: #64748b;--text-faint: #94a3b8;--pacs-cyan: #0284c7;--pacs-cyan-bg: rgba(2, 132, 199, .1);--pacs-amber: #d97706;--pacs-amber-bg: rgba(217, 119, 6, .1);--pacs-green: #16a34a;--pacs-green-bg: rgba(22, 163, 74, .1);--pacs-red: #dc2626;--pacs-red-bg: rgba(220, 38, 38, .1);--header-height: 42px;--toolbar-height: 38px;--statusbar-height: 30px;--sidebar-width: 320px;--radius-sm: 4px;--radius-md: 6px;--font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;color-scheme:light}.app.dark-theme{--pacs-bg: #0d0f12;--pacs-header: #13171d;--pacs-toolbar: #181d24;--pacs-panel: #14181f;--pacs-surface: #1c222b;--pacs-surface-hover: #242c38;--pacs-surface-selected: #1b2f4a;--line-subtle: #212832;--line-base: #2a3340;--line-strong: #3b4759;--line-accent: #388bfd;--text-pure: #ffffff;--text-high: #e6edf3;--text-med: #8b949e;--text-low: #6e7681;--text-faint: #484f58;--pacs-cyan: #58a6ff;--pacs-cyan-bg: rgba(56, 139, 253, .15);--pacs-amber: #d29922;--pacs-amber-bg: rgba(210, 153, 34, .15);--pacs-green: #3fb950;--pacs-green-bg: rgba(63, 185, 80, .15);--pacs-red: #f85149;--pacs-red-bg: rgba(248, 81, 73, .15);color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;height:100dvh;width:100vw;margin:0;padding:0;overflow:hidden;background:var(--pacs-bg)}body{color:var(--text-high);font:12.5px/1.4 var(--font-sans);-webkit-font-smoothing:antialiased}button,input,select{font:inherit;color:inherit}.app{display:flex;flex-direction:column;height:100dvh;width:100vw;overflow:hidden;background:var(--pacs-bg);position:relative}.topbar{display:flex;align-items:center;gap:12px;height:var(--header-height);padding:0 12px;background:var(--pacs-header);border-bottom:1px solid var(--line-base);z-index:20;-webkit-user-select:none;user-select:none;flex-shrink:0;box-shadow:0 1px 2px #00000008}.brand{display:flex;align-items:center;gap:6px;font-family:var(--font-sans)}.brand-name{font-weight:700;font-size:13.5px;letter-spacing:.02em;color:var(--text-pure)}.brand-divider{color:var(--text-low);font-size:12px}.brand-sub{color:var(--text-med);font-size:12px}.study-chip{display:flex;align-items:center;gap:8px;padding:3px 10px;border-radius:var(--radius-sm);background:var(--pacs-surface);border:1px solid var(--line-base);max-width:480px;overflow:hidden;font-family:var(--font-mono);font-size:11px}.study-name{color:var(--text-pure);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}.study-dim,.study-spacing{color:var(--text-med);border-left:1px solid var(--line-strong);padding-left:8px;white-space:nowrap}.topbar-spacer{flex:1}.topbar-actions{display:flex;align-items:center;gap:6px}.tb-btn{appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;height:28px;padding:0 10px;border-radius:var(--radius-sm);border:1px solid var(--line-base);background:var(--pacs-surface);color:var(--text-high);cursor:pointer;font-size:12px;font-weight:500;transition:background 80ms ease,border-color 80ms ease;-webkit-user-select:none;user-select:none;white-space:nowrap}.tb-btn:hover:not(:disabled){background:var(--pacs-surface-hover);border-color:var(--line-strong);color:var(--text-pure)}.tb-btn.active{background:var(--pacs-surface-selected);border-color:var(--line-accent);color:var(--pacs-cyan)}.tb-btn.primary{background:#0284c7;border-color:#0284c7;color:#fff}.tb-btn.primary:hover:not(:disabled){background:#0369a1;border-color:#0369a1}.tb-btn:disabled,.tb-btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}.tb-btn input[type=file]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;opacity:0}.tb-pill{padding:0 5px;border-radius:999px;background:var(--pacs-cyan);color:#fff;font-family:var(--font-mono);font-size:9.5px;font-weight:700}.theme-toggle{width:28px;padding:0;display:grid;place-content:center}.control-bar{display:flex;align-items:center;gap:10px;height:var(--toolbar-height);padding:0 12px;background:var(--pacs-toolbar);border-bottom:1px solid var(--line-base);z-index:15;-webkit-user-select:none;user-select:none;position:relative;flex-shrink:0}.cb-group{display:flex;align-items:center;gap:6px}.cb-label{font-family:var(--font-mono);font-size:10px;color:var(--text-low);text-transform:uppercase;letter-spacing:.04em;margin-right:2px}.cb-segmented{display:inline-flex;border-radius:var(--radius-sm);background:var(--pacs-bg);border:1px solid var(--line-base);padding:1px}.cb-seg-btn{appearance:none;border:0;background:transparent;color:var(--text-med);height:24px;padding:0 9px;border-radius:var(--radius-sm);cursor:pointer;font-size:11.5px;font-weight:500;transition:background 80ms ease,color 80ms ease}.cb-seg-btn:hover:not(:disabled){color:var(--text-pure)}.cb-seg-btn.active{background:var(--pacs-panel);color:var(--pacs-cyan);font-weight:600;box-shadow:0 1px 2px #0000000f}.cb-divider{width:1px;height:18px;background:var(--line-base)}.cb-btn{appearance:none;display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 8px;border-radius:var(--radius-sm);border:1px solid var(--line-base);background:var(--pacs-surface);color:var(--text-med);cursor:pointer;font-size:11.5px}.cb-btn:hover{background:var(--pacs-surface-hover);color:var(--text-pure);border-color:var(--line-strong)}.cb-btn.active{background:var(--pacs-surface-selected);border-color:var(--line-accent);color:var(--pacs-cyan)}.cb-coord-input{display:inline-flex;align-items:center;gap:3px;font-family:var(--font-mono);font-size:10px;color:var(--text-low)}.cb-coord-input input{width:44px;height:22px;padding:0 4px;border-radius:var(--radius-sm);border:1px solid var(--line-base);background:var(--pacs-panel);color:var(--text-high);font-family:var(--font-mono);font-size:11px;text-align:right}.cb-select{height:22px;padding:0 4px;border-radius:var(--radius-sm);border:1px solid var(--line-base);background:var(--pacs-panel);color:var(--text-med);font-family:var(--font-mono);font-size:10.5px;cursor:pointer}.cb-zoom{display:inline-flex;align-items:center;border:1px solid var(--line-base);border-radius:var(--radius-sm);background:var(--pacs-surface)}.cb-btn-icon{appearance:none;width:22px;height:22px;border:0;background:transparent;color:var(--text-med);display:grid;place-content:center;cursor:pointer}.cb-btn-icon:hover{color:var(--text-pure);background:var(--pacs-surface-hover)}.cb-btn-text{appearance:none;border:0;border-left:1px solid var(--line-base);border-right:1px solid var(--line-base);background:transparent;color:var(--text-high);font-family:var(--font-mono);font-size:10.5px;padding:0 6px;height:22px;cursor:pointer}.wl-popover{position:absolute;top:calc(100% + 4px);left:260px;width:260px;padding:12px;border-radius:var(--radius-md);background:var(--pacs-panel);border:1px solid var(--line-strong);box-shadow:0 12px 32px #00000024;display:flex;flex-direction:column;gap:10px;z-index:40}.wl-header{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:600;text-transform:uppercase;color:var(--text-med);padding-bottom:6px;border-bottom:1px solid var(--line-base)}.wl-close{appearance:none;background:transparent;border:0;color:var(--text-low);cursor:pointer;font-size:11px}.wl-close:hover{color:var(--text-pure)}.wl-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.wl-preset-btn{appearance:none;border:1px solid var(--line-base);border-radius:var(--radius-sm);background:var(--pacs-surface);color:var(--text-med);padding:4px 0;cursor:pointer;font-size:10.5px;text-align:center}.wl-preset-btn:hover{background:var(--pacs-surface-hover);border-color:var(--line-strong);color:var(--text-pure)}.wl-sliders{display:flex;flex-direction:column;gap:8px}.wl-slider-row{display:grid;grid-template-columns:28px 1fr 40px;gap:8px;align-items:center;font-size:11px}.wl-label{font-family:var(--font-mono);color:var(--text-low)}.wl-slider-row input[type=range]{width:100%;accent-color:var(--pacs-cyan)}.wl-val{font-family:var(--font-mono);color:var(--text-high);text-align:right;font-size:10.5px}.workspace{display:grid;grid-template-columns:minmax(0,1fr);flex:1;min-height:0;position:relative;overflow:hidden}.workspace.panel-open{grid-template-columns:minmax(0,1fr) var(--sidebar-width)}.stage{position:relative;width:100%;height:100%;background:#000;overflow:hidden;display:grid;grid-template-rows:1fr}.stage canvas{display:block;width:100%;height:100%;opacity:0;transition:opacity .12s ease}.stage.has-study canvas{opacity:1}.sidebar{display:flex;flex-direction:column;background:var(--pacs-panel);border-left:1px solid var(--line-base);overflow-y:auto;min-height:0;z-index:10}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--line-base);background:var(--pacs-header)}.sidebar-header h3{margin:0;font-size:12.5px;font-weight:600;color:var(--text-pure)}.sidebar-count{font-family:var(--font-mono);font-size:10.5px;color:var(--pacs-cyan)}.sidebar-close{appearance:none;background:transparent;border:0;color:var(--text-low);cursor:pointer;font-size:11px;padding:2px 4px}.sidebar-close:hover{color:var(--text-pure)}.sidebar-body{padding:12px;display:flex;flex-direction:column;gap:14px}.sidebar-empty{padding:16px 12px;border:1px dashed var(--line-base);border-radius:var(--radius-sm);background:var(--pacs-surface);text-align:center;font-size:11.5px;color:var(--text-med)}.sidebar-empty p{margin:0}.sidebar-empty .sub{margin-top:4px;color:var(--text-low);font-size:10.5px}.sidebar-empty code{font-family:var(--font-mono);color:var(--pacs-cyan)}.regions-list{display:flex;flex-direction:column;gap:6px}.region-row{appearance:none;width:100%;text-align:left;padding:8px 10px;border-radius:var(--radius-sm);border:1px solid var(--line-base);background:var(--pacs-surface);cursor:pointer;display:flex;flex-direction:column;gap:4px;transition:background 80ms ease,border-color 80ms ease}.region-row:hover{background:var(--pacs-surface-hover);border-color:var(--line-strong)}.region-row.focused{background:var(--pacs-surface-selected);border-color:var(--line-accent)}.region-main{display:flex;justify-content:space-between;align-items:baseline}.region-title{font-weight:600;font-size:12px;color:var(--text-pure)}.region-vol{font-family:var(--font-mono);font-weight:600;font-size:12px;color:var(--pacs-cyan)}.region-details{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:10px;color:var(--text-med)}.sidebar-meta{border-top:1px solid var(--line-base);padding-top:10px;display:flex;flex-direction:column;gap:6px}.sidebar-meta h4{margin:0;font-size:11px;font-weight:600;text-transform:uppercase;color:var(--text-med)}.meta-grid{margin:0;display:grid;grid-template-columns:80px 1fr;gap:4px 8px;font-family:var(--font-mono);font-size:10.5px}.meta-grid dt{color:var(--text-low)}.meta-grid dd{margin:0;color:var(--text-high);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.load-error{margin:6px 0 0;font-size:11px;color:var(--pacs-red)}.empty-state{position:absolute;inset:0;display:grid;place-content:center;background:var(--pacs-bg)}.empty-dialog{width:min(440px,90vw);padding:32px 28px;border:1px solid var(--line-base);border-radius:var(--radius-md);background:var(--pacs-panel);box-shadow:0 12px 32px #00000014;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}.empty-icon-wrap{width:48px;height:48px;border-radius:var(--radius-md);background:var(--pacs-surface);border:1px solid var(--line-base);color:var(--text-med);display:grid;place-content:center}.empty-dialog h2{margin:0;font-size:16px;font-weight:600;color:var(--text-pure)}.empty-dialog p{margin:0;font-size:12.5px;color:var(--text-med);max-width:34ch;line-height:1.45}.empty-actions{display:flex;gap:8px;margin-top:6px}.btn{appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid var(--line-base);background:var(--pacs-surface);color:var(--text-high);cursor:pointer;font-size:12px;font-weight:500}.btn:hover{background:var(--pacs-surface-hover);border-color:var(--line-strong);color:var(--text-pure)}.btn.primary{background:#0284c7;border-color:#0284c7;color:#fff}.btn.primary:hover{background:#0369a1}.btn.secondary{background:var(--pacs-surface)}.btn input[type=file]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;opacity:0}.statusbar{display:flex;align-items:center;gap:12px;height:var(--statusbar-height);padding:0 14px;background:var(--pacs-header);border-top:1px solid var(--line-base);font-family:var(--font-mono);font-size:11px;color:var(--text-med);-webkit-user-select:none;user-select:none;flex-shrink:0;box-shadow:0 -1px 2px #00000005}.sb-group{display:flex;align-items:center;gap:12px}.sb-item{display:inline-flex;align-items:baseline;gap:5px}.sb-label{font-size:9.5px;font-weight:600;letter-spacing:.06em;color:var(--text-low)}.sb-val{color:var(--text-high);font-weight:500}.sb-backend{color:var(--pacs-cyan);font-weight:600}.sb-agent-pill{display:inline-flex;align-items:center;gap:7px;padding:3px 10px;border-radius:999px;background:var(--pacs-cyan-bg);border:1px solid var(--pacs-cyan);color:var(--pacs-cyan);font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.02em}.sb-agent-dot{width:6px;height:6px;border-radius:50%;background:var(--pacs-cyan);box-shadow:0 0 6px var(--pacs-cyan);animation:pulse 2.5s infinite ease-in-out}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.85)}}.sb-pill{padding:2px 7px;border-radius:var(--radius-sm);background:var(--pacs-surface);border:1px solid var(--line-base);font-size:10px;color:var(--text-med)}.loading-state{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#000000d9;z-index:50;color:#fff}.spinner{width:28px;height:28px;border-radius:50%;border:2px solid rgba(255,255,255,.2);border-top-color:#38bdf8;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.drag-overlay{position:fixed;inset:0;background:#0f172ad9;z-index:100;display:grid;place-content:center;pointer-events:none}.drag-target{padding:32px 48px;border:2px dashed #38bdf8;border-radius:var(--radius-md);background:var(--pacs-panel);text-align:center}.drag-title{margin:8px 0 0;font-size:15px;font-weight:600;color:var(--text-pure)}.drag-hint{margin:4px 0 0;font-size:12px;color:var(--text-med)}.confirm{position:fixed;inset:0;display:grid;place-content:center;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100}.sheet{width:min(460px,92vw);padding:20px;border-radius:var(--radius-md);background:var(--pacs-panel);border:1px solid var(--line-strong);box-shadow:0 16px 40px #00000040;display:flex;flex-direction:column;gap:12px}.sheet h2{margin:0;font-size:14px;font-weight:600;color:var(--text-pure)}.sheet-msg{margin:0;font-size:12px;color:var(--text-high);line-height:1.45}.sheet pre{margin:0;padding:8px 10px;border-radius:var(--radius-sm);background:var(--pacs-surface);border:1px solid var(--line-base);font-family:var(--font-mono);font-size:11px;color:var(--text-med);max-height:140px;overflow-x:auto}.sheet-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}@media(max-width:800px){.control-bar{overflow-x:auto}.cb-coords{display:none}}