:root{color-scheme:dark;--bg:#0b111a;--line:#2a3a4e;--muted:#9eafc3;--text:#eef4fa;--cross:rgba(105,177,255,.94)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 52% -28%,#213750 0%,var(--bg) 54%);color:var(--text);font:14px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}button,select,input{font:inherit;color:inherit}button{cursor:pointer}
.app{max-width:1540px;margin:auto;padding:22px clamp(14px,3vw,42px) 28px}header{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:2px 2px 19px;border-bottom:1px solid #28394c}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-mark{width:39px;height:39px;border:1px solid #49698b;background:linear-gradient(145deg,#284564,#142236);border-radius:12px;display:grid;place-items:center;color:#a6d2ff;font-size:18px;font-weight:700}.eyebrow{color:#9db2cb;text-transform:uppercase;letter-spacing:.14em;font-size:10px;font-weight:700}h1{font-size:20px;letter-spacing:-.025em;margin:1px 0 0;font-weight:650}.header-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.pill,.toolbtn,.choice,.modality{border:1px solid var(--line);background:#111a27;border-radius:9px;color:#c2d0df}.pill{padding:7px 10px;font-size:11px;white-space:nowrap}.pill .dot{display:inline-block;width:7px;height:7px;background:#69d5b0;border-radius:50%;margin-right:7px;box-shadow:0 0 9px #4bc99a}.modality-switch{display:flex;padding:3px;background:#0d1520;border:1px solid #29394e;border-radius:10px;gap:3px}.modality{padding:6px 11px;border-color:transparent;background:transparent;font-size:11px;color:#aebed0}.modality[aria-pressed=true]{background:#263d58;color:#eff8ff;border-color:#385a7c}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:16px 0}.toolbar-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.toolbar-label{color:var(--muted);font-size:12px;font-weight:600}.segmented{display:flex;padding:3px;background:#0d1520;border:1px solid #273548;border-radius:10px;gap:3px}.choice{padding:7px 11px;border-color:transparent;background:transparent;font-size:12px;color:#aebed0;transition:.16s}.choice:hover{color:#fff;background:#1b2939}.choice[aria-pressed=true]{background:#263d58;color:#e9f4ff;border-color:#385a7c;box-shadow:0 2px 8px #06101b}.toolbar-right{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.toolbtn{padding:7px 10px;font-size:12px;transition:.16s}.toolbtn:hover{background:#1a2736;color:#fff}.check-control{display:inline-flex;gap:7px;align-items:center;color:#bdcada;font-size:12px;white-space:nowrap;padding:5px 4px}input[type=checkbox]{accent-color:#69afff}.opacity-control{display:inline-flex;align-items:center;gap:7px;color:#96a9bf;font-size:10px}.opacity-control input{width:66px;accent-color:#69afff}
.viewer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:stretch}.viewer-card{min-width:0;overflow:hidden;border:1px solid #29394d;border-radius:14px;background:linear-gradient(180deg,#141d29,#101722);box-shadow:0 12px 34px #0003}.card-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid #253447}.view-title{display:flex;align-items:center;gap:10px;min-width:0}.axis-badge{display:grid;place-items:center;width:29px;height:29px;border-radius:8px;background:#1e3045;color:#8dc5ff;font-size:10px;font-weight:800;letter-spacing:.04em}.view-title h2{font-size:14px;margin:0;font-weight:650}.view-title p{margin:1px 0 0;color:#8294aa;font-size:10px}.plane-select{appearance:none;background:#101925;border:1px solid #304256;border-radius:8px;padding:7px 28px 7px 10px;font-size:12px;color:#dbe7f4;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,#91a9c2 50%),linear-gradient(135deg,#91a9c2 50%,transparent 50%);background-position:calc(100% - 13px) 11px,calc(100% - 9px) 11px;background-size:4px 4px,4px 4px;background-repeat:no-repeat}
.image-stage{height:clamp(300px,43vw,520px);position:relative;background:#03060a;display:grid;place-items:center;overflow:hidden;touch-action:none;cursor:crosshair}.slice-canvas{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:block;height:100%;width:auto;max-width:100%;max-height:100%;image-rendering:auto}.crosshair{position:absolute;pointer-events:none}.crosshair[hidden]{display:none}.crosshair::before,.crosshair::after{content:"";position:absolute;background:var(--cross);box-shadow:0 0 3px #03101c}.crosshair::before{width:1px;top:0;bottom:0;left:var(--cx)}.crosshair::after{height:1px;left:0;right:0;top:var(--cy)}.crosshair i{position:absolute;left:var(--cx);top:var(--cy);width:9px;height:9px;border-radius:50%;border:1px solid #d9edff;background:#4b9eff;box-shadow:0 0 0 3px #418fff38;transform:translate(-50%,-50%)}
.orient{position:absolute;color:#7f90a4;font-size:10px;letter-spacing:.08em;font-weight:650;text-shadow:0 1px 5px #000;pointer-events:none}.orient.top{top:10px;left:50%;transform:translateX(-50%)}.orient.bottom{bottom:10px;left:50%;transform:translateX(-50%)}.orient.left{left:10px;top:50%;transform:translateY(-50%)}.orient.right{right:10px;top:50%;transform:translateY(-50%)}.slice-readout{position:absolute;left:11px;top:10px;padding:4px 7px;background:#0c1320d9;border:1px solid #29374b;border-radius:6px;color:#d7e4f2;font-size:10px;font-variant-numeric:tabular-nums;backdrop-filter:blur(5px)}.hover-tip{display:none;position:absolute;z-index:4;max-width:min(280px,75%);padding:7px 9px;background:#0c1521ee;border:1px solid #425b78;border-radius:8px;color:#e6eff8;font-size:11px;box-shadow:0 8px 24px #0008;pointer-events:none}.hover-tip.visible{display:block}.hover-tip small{display:block;margin-top:2px;color:#9cb0c7;font:10px ui-monospace,SFMono-Regular,Consolas,monospace}
.loading{position:absolute;inset:0;display:grid;place-items:center;background:#03060af5;z-index:5;color:#bdccdc;font-size:12px;letter-spacing:.02em}.loading span{display:flex;align-items:center;gap:9px}.spinner{width:14px;height:14px;border:2px solid #33465c;border-top-color:#82bbff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.card-foot{display:flex;align-items:center;gap:11px;padding:10px 13px;border-top:1px solid #253447}.slice-number{width:76px;text-align:center;color:#c9d5e2;font-size:11px;font-variant-numeric:tabular-nums}.card-foot input[type=range]{min-width:30px;flex:1;height:3px;accent-color:#66aaff;cursor:pointer}.step{border:1px solid #304156;background:#142031;color:#c3d6e9;border-radius:7px;width:27px;height:27px;font-size:14px;line-height:1}.step:hover{background:#20344a}
.status-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(230px,.85fr) auto;align-items:center;gap:13px;padding:14px 2px 5px}.coord-card{display:flex;align-items:center;gap:14px;min-width:0}.coords{display:flex;gap:6px;flex-wrap:wrap}.coord{padding:5px 7px;border:1px solid #293a4f;border-radius:7px;background:#101a27;color:#b8c9db;font:10px ui-monospace,SFMono-Regular,Consolas,monospace;font-variant-numeric:tabular-nums}.coord b{color:#e8f1fb;font-weight:650}.region-chip{display:flex;align-items:center;gap:8px;min-width:0;padding:6px 9px;border:1px solid #293a4f;border-radius:8px;background:#101a27;color:#bfcede;font-size:11px}.region-swatch{width:10px;height:10px;border:1px solid #ffffff55;border-radius:3px;background:#60758c;flex:none}.region-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.help-hint{font-size:10px;color:#90a1b4;text-align:right;white-space:nowrap}details{margin-top:15px;border:1px solid #26364a;background:#101823;border-radius:11px;color:#9eafc3;font-size:11px}summary{padding:10px 13px;cursor:pointer;color:#c4d3e3;font-weight:600}.source-note{padding:0 13px 12px;line-height:1.6;max-width:1060px}a{color:#8fc3ff;text-underline-offset:2px}
.view-tabs{display:flex;gap:6px;padding:14px 0 4px}.view-tab{border:1px solid #29394d;background:#101824;border-radius:9px;padding:8px 14px;color:#aebed0;font-size:12px}.view-tab:hover{background:#1a293a;color:#fff}.view-tab[aria-selected=true]{border-color:#456587;background:#233952;color:#f0f7ff;box-shadow:inset 0 0 0 1px #ffffff0b}.volume-mode{padding-top:12px}.volume-mode[hidden]{display:none}.volume-layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(260px,.8fr);gap:14px;align-items:stretch}.volume-card,.volume-controls{min-width:0}.volume-badge{display:flex;align-items:center;gap:7px;color:#b9cbdc;border:1px solid #2b3d52;background:#101a27;border-radius:8px;padding:7px 9px;font-size:10px;white-space:nowrap}.volume-badge i{width:7px;height:7px;border-radius:50%;background:#65d9b2;box-shadow:0 0 8px #4bc99a}.volume-stage{height:min(68vh,690px);min-height:430px;position:relative;background:radial-gradient(ellipse at 50% 48%,#17263a,#060a10 66%);overflow:hidden;touch-action:none}.volume-stage canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}.volume-stage canvas:active{cursor:grabbing}.volume-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:10px;background:#080d16ed;color:#c8d5e3;font-size:12px;z-index:2}.volume-loading:empty{display:none}.volume-loading .spinner{flex:none}.volume-foot{display:flex;justify-content:center;gap:24px;padding:10px 12px;border-top:1px solid #253447;color:#93a7bd;font-size:10px}.volume-control-body{padding:17px 16px;display:flex;flex-direction:column;gap:19px}.volume-range{display:block}.volume-range>span{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-bottom:8px;color:#ced9e5;font-size:12px}.volume-range output{color:#9cb4cd;font:10px ui-monospace,SFMono-Regular,Consolas,monospace}.volume-range input{width:100%;accent-color:#69afff}.volume-label-control{padding:8px 0 0;border-top:1px solid #27384b}.volume-region{display:flex;align-items:center;gap:8px;min-height:34px;padding:7px 9px;border:1px solid #293a4f;border-radius:8px;background:#101a27;color:#bdcada;font-size:11px}.volume-center{align-self:flex-start}.volume-note{margin:0;color:#8498af;font-size:10px;line-height:1.55}
.volume-cut-control{display:flex;flex-direction:column;gap:8px}.volume-control-heading{color:#9fb2c7;font-size:11px;font-weight:650;letter-spacing:.02em}.volume-cut-switch{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.volume-cut-switch button{min-width:0;padding:8px 7px;border:1px solid #304256;border-radius:8px;background:#111c29;color:#aebed0;font-size:11px}.volume-cut-switch button:hover{background:#1b2b3d;color:#edf6ff}.volume-cut-switch button[aria-pressed=true]{border-color:#5c8fbd;background:#25425e;color:#f0f7ff;box-shadow:inset 0 0 0 1px #ffffff0b}
.volume-cut-switch button:disabled{opacity:.35;cursor:not-allowed}.volume-range input:disabled{opacity:.4}.volume-control-heading small{font-weight:400;color:#8298ad}.secondary-cut{padding-top:10px;border-top:1px solid #27384b}.detail-status{font-size:10px;color:#89b9e6;white-space:nowrap}
.volume-shell-range{padding:10px 0;border-bottom:1px solid #27384b}.volume-shell-range input{accent-color:#90c9de}.volume-shell-range small{display:block;margin-top:5px;color:#93aac1;font-size:10px;line-height:1.4}
.mobile-selection{display:none}.volume-focus-readout{position:absolute;top:12px;left:12px;z-index:1;display:flex;align-items:flex-start;gap:8px;max-width:calc(100% - 24px);padding:7px 10px;border:1px solid #456077;border-radius:9px;background:#091521e6;color:#aabfd2;font-size:11px;line-height:1.4;pointer-events:none;box-shadow:0 4px 18px #0008}.volume-focus-readout b{display:block;color:#f0f6fc;font-size:12px;font-weight:650;overflow-wrap:anywhere}.volume-focus-readout .region-swatch{margin-top:3px}
@media(max-width:760px){.mobile-selection{display:flex;align-items:flex-start;gap:10px;padding:11px 14px 13px;border-top:1px solid #253447;background:#13202e;color:#e9f2fb;min-height:55px}.mobile-selection .region-swatch{margin-top:4px}.mobile-selection span:last-child{min-width:0}.mobile-selection small{display:block;color:#92aac3;font-size:10px;line-height:1.2;margin-bottom:3px}.mobile-selection b{display:block;font-size:13px;font-weight:650;line-height:1.35;overflow-wrap:anywhere}.status-row .region-chip{display:none}.volume-focus-readout{top:9px;left:9px;max-width:calc(100% - 18px)}}
.volume-region-label{color:#8fa6bd;font-size:10px;white-space:nowrap}.volume-region #volume-region-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.volume-layout{grid-template-columns:minmax(215px,.54fr) minmax(0,1.5fr) minmax(245px,.65fr);gap:12px}.tri-planar-stack{height:calc(min(68vh,690px) + 80px);min-height:510px;display:grid;grid-template-rows:auto repeat(3,minmax(0,1fr));gap:8px}.tri-stack-heading{display:flex;flex-direction:column;gap:2px;padding:2px 3px 4px}.tri-stack-heading b{font-size:12px;color:#e6eff9}.tri-stack-heading span{font-size:10px;color:#93a7bd}.tri-plane{display:flex;flex-direction:column;min-height:0;overflow:hidden;border:1px solid #29394d;border-radius:10px;background:#101722}.tri-plane-head{display:flex;align-items:baseline;justify-content:space-between;gap:5px;padding:5px 8px;color:#dce7f2;font-size:10px}.tri-plane-head span{color:#8197ae;font-size:9px;white-space:nowrap}.tri-plane-stage{position:relative;display:grid;place-items:center;flex:1;min-height:0;background:#03060a;overflow:hidden;cursor:crosshair}.mini-canvas{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:block;height:100%;width:auto;max-width:100%;max-height:100%;image-rendering:auto;cursor:crosshair}.mini-crosshair{position:absolute;pointer-events:none}.mini-crosshair::before,.mini-crosshair::after{content:"";position:absolute;background:rgba(99,214,176,.9);box-shadow:0 0 3px #00100a}.mini-crosshair::before{width:1px;top:0;bottom:0;left:var(--cx)}.mini-crosshair::after{height:1px;left:0;right:0;top:var(--cy)}.mini-crosshair i{position:absolute;left:var(--cx);top:var(--cy);width:7px;height:7px;border:1px solid #d4fff1;border-radius:50%;background:#42cfa2;transform:translate(-50%,-50%)}.mini-readout{position:absolute;top:4px;left:5px;padding:2px 4px;border:1px solid #243447;border-radius:4px;background:#0b1420d9;color:#b9cce0;font-size:9px}.volume-open-range{padding:11px 12px;border:1px solid #385372;border-radius:10px;background:linear-gradient(130deg,#1b3249,#111e2c)}.volume-open-range input{accent-color:#f2ab57}.volume-open-range small{display:block;margin-top:7px;color:#93aac1;font-size:10px}.volume-open-range output{color:#ffd19a}
@media(max-width:1180px){.volume-layout{grid-template-columns:minmax(190px,.55fr) minmax(0,1.45fr)}.volume-controls{grid-column:1/-1}.volume-control-body{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.volume-cut-control,.volume-open-range{grid-column:span 1}.volume-note{grid-column:1/-1}}
@media(max-width:760px){.volume-layout{grid-template-columns:1fr}.tri-planar-stack{height:auto;min-height:0;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:auto 170px}.tri-stack-heading{grid-column:1/-1}.tri-plane-head span{display:none}.volume-controls{grid-column:auto}.volume-control-body{display:flex}.volume-stage{min-height:350px;height:min(100vw,560px)}}
@media(max-width:980px){.status-row{grid-template-columns:1fr 1fr}.help-hint{grid-column:1/-1;text-align:left}.volume-layout{grid-template-columns:minmax(0,1.25fr) minmax(240px,.75fr)}}@media(max-width:760px){.app{padding:14px 12px 20px}header{align-items:flex-start}.header-right{gap:5px}h1{font-size:17px}.toolbar{align-items:flex-start;flex-direction:column}.toolbar-right{width:100%;justify-content:flex-start}.viewer-grid{grid-template-columns:1fr}.image-stage{height:min(86vw,480px)}.status-row{grid-template-columns:1fr}.help-hint{grid-column:auto}.coord-card{align-items:flex-start;flex-direction:column;gap:8px}.region-chip{max-width:100%}.volume-layout{grid-template-columns:1fr}.volume-stage{height:min(100vw,560px);min-height:350px}.volume-control-body{gap:15px}.volume-foot{gap:14px;font-size:9px}}
.status-row{display:flex;align-items:center;padding:12px 2px 2px}.status-row .region-chip{max-width:min(100%,520px);width:100%}
@media(max-width:760px){.status-row{display:none}}