:root{font-family:Arial,Helvetica,sans-serif;color:#20363e;background:#edf2f3;font-synthesis:none;--ink:#20363e;--muted:#526871;--accent:#236578;--border:#ccd9dd;--panel:#f6f8f8;--radius:12px}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{cursor:default;color:#83939b;background:#e9eef0;border-color:#d7e0e3}button:focus-visible,input:focus-visible{outline:3px solid #236578;outline-offset:4px}button{transition:background .16s,border-color .16s}#viewer{--sidebar:340px;position:relative;width:100%;height:100svh;min-height:520px;overflow:hidden;outline:none}canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:grab}canvas.dragging{cursor:grabbing}#viewer:before{content:'';position:absolute;inset:0 auto 0 0;width:var(--sidebar);background:var(--panel);z-index:1;border-right:1px solid var(--border);pointer-events:none}header{position:absolute;inset:0;pointer-events:none;z-index:2}.brand{position:absolute;left:12px;top:22px;width:calc(var(--sidebar) - 24px);display:flex;align-items:center;justify-content:center;gap:16px;padding:12px 6px;letter-spacing:5px;font-size:24px}.brand small{display:block;letter-spacing:1.1px;font-size:10px;margin-top:6px;color:var(--muted)}.mark{font-family:Georgia,serif;font-size:43px;line-height:1;border-right:1px solid var(--border);padding-right:18px}.mode{position:absolute;right:24px;top:24px;background:#fff;border:1px solid var(--border);padding:16px 22px;border-radius:var(--radius);font-size:14px;font-weight:600;box-shadow:0 4px 20px #142e3912}.panel{position:absolute;z-index:2;top:122px;bottom:67px;left:12px;width:calc(var(--sidebar) - 24px);padding:6px 0;overflow:auto;scrollbar-width:thin;text-align:center}.panel-heading{padding:0 6px 22px}.eyebrow{font-size:11px;letter-spacing:1.7px;color:var(--muted);margin:0 0 12px}h1{font-size:27px;letter-spacing:-.8px;font-weight:500;margin:0;line-height:1.2}.views{display:grid;gap:14px;padding:2px}.view{padding:0;text-align:left;border:1px solid #bacbd0;background:#fff;color:var(--ink);overflow:hidden;border-radius:var(--radius)}.view:hover{border-color:var(--accent);background:#eff5f6}.view.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:#e9f1f3}.view img{width:100%;height:clamp(120px,16vh,210px);object-fit:cover;display:block}.card-info{min-height:49px;padding:10px 12px;display:flex;align-items:center;gap:8px}.view-name{font-size:14px;font-weight:600;flex:1}.view-index{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.selected-label{display:none;font-size:11px;color:#205263;background:#d6e7eb;border-radius:20px;padding:4px 8px}.selected .selected-label{display:inline-block}.selected .view-index{display:none}.panel-foot{margin:24px 0 0;color:var(--muted);font-size:13px;line-height:1.6}.tools{position:absolute;right:24px;bottom:25px;display:flex;gap:1px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 20px #142e3918}.tools button{border:0;background:#fff;color:var(--ink);width:46px;height:46px;font-size:24px}.tools button:hover:not(:disabled){background:#e5eff2}.tools button:disabled{color:#83939b;background:#e9eef0}.navigation{position:absolute;bottom:24px;left:calc((100% + var(--sidebar))/2);transform:translateX(-50%);width:350px;padding:15px 18px 16px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:0 8px 32px #10272d26}.nav-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:13px}#positionName{font-size:14px;font-weight:600}#boundary{font-size:12px;color:var(--muted)}.transport{display:flex;gap:10px}.arrow,.play{height:44px;border:1px solid var(--border);border-radius:9px;display:flex;align-items:center;justify-content:center}.arrow{width:48px;background:#f1f5f6;color:#205263;font-size:23px}.arrow:hover:not(:disabled){background:#dfecef}.play{flex:1;gap:10px;background:var(--accent);border-color:var(--accent);color:#fff;font-size:14px;font-weight:600}.play:hover:not(:disabled){background:#194f5f}.play:disabled{background:#e9eef0;border-color:var(--border);color:#687c85}#playIcon{font-size:12px}.track{position:relative;margin-top:12px;height:26px;display:flex;align-items:center}.track-marks{position:absolute;inset:0 8px;pointer-events:none}.track-marks i{position:absolute;top:17px;width:2px;height:7px;background:#75929c;transform:translateX(-50%)}input[type=range]{position:relative;width:100%;margin:0;height:22px;accent-color:var(--accent);cursor:pointer;background:transparent}.hint{position:absolute;z-index:2;bottom:23px;left:12px;width:calc(var(--sidebar) - 24px);text-align:center;font-size:12px;color:var(--muted)}.hint span{font-size:20px;vertical-align:middle;margin-right:7px}.loading,.error{position:absolute;top:50%;left:calc((100% + var(--sidebar))/2);transform:translate(-50%,-50%);background:#fff;border:1px solid var(--border);padding:16px 20px;border-radius:var(--radius);box-shadow:0 6px 25px #0001;font-size:14px}.error{max-width:300px;line-height:1.5}.error button{margin-top:8px;min-height:44px;border:1px solid var(--border);border-radius:6px;background:#eef4f6;padding:6px 14px;color:var(--ink)}[hidden]{display:none!important}.motion-note{font-size:12px;line-height:1.4;color:var(--muted);margin:8px 0 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-height:780px) and (min-width:851px){.brand{top:12px}.panel{top:106px;bottom:55px}.panel-heading{padding-bottom:16px}h1{font-size:24px}.view img{height:110px}.views{gap:11px}.panel-foot{margin-top:15px}.hint{bottom:18px}}
@media(max-width:1170px) and (min-width:851px){.tools{bottom:184px}.navigation{width:320px}}
@media(max-width:850px){#viewer{--sidebar:0px;min-height:480px}#viewer:before,.panel{display:none}.brand{left:12px;top:14px;width:auto;padding:12px;background:#fff;border:1px solid var(--border);border-radius:10px;font-size:17px;letter-spacing:3px;gap:10px}.brand small{font-size:8px;letter-spacing:.8px}.mark{font-size:29px;padding-right:10px}.mode{right:12px;top:14px;padding:14px 17px;font-size:12px}.navigation{left:50%;bottom:16px;width:min(350px,calc(100% - 24px))}.tools{right:12px;bottom:213px;flex-direction:column}.tools button{width:44px;height:44px}.hint{left:50%;transform:translateX(-50%);bottom:184px;width:auto;white-space:nowrap;background:#fff;padding:5px 11px;border-radius:8px;font-size:11px}.loading,.error{left:50%}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}.hint{display:none}}