#echoPanel{position:relative;min-height:620px;box-sizing:border-box;color:#171717}
#echoPanel h2{font-size:27px;font-weight:normal;margin:5px 0 15px;letter-spacing:.03em}
.echo-kicker{text-transform:uppercase;letter-spacing:.18em;font-size:11px;color:#777}
.echo-lead{font-size:18px;max-width:520px;line-height:1.4}
#echoStats{display:flex;gap:24px;margin:22px 0 12px;color:#666}#echoStats b{color:#111}
#echoDepthList{width:430px;border-top:1px solid #aaa}
.echo-depth{font:16px "Times New Roman",serif;background:white;color:#111;border:0;border-bottom:1px solid #aaa;width:100%;padding:10px 8px;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:baseline}
.echo-depth:hover:not(:disabled),.echo-depth.selected{text-decoration:underline;background:#f4f4f1}.echo-depth small{font-size:12px;color:#777}.echo-depth.locked{color:#aaa;cursor:default}
#echoCost{display:flex;gap:14px;margin:18px 0;align-items:center}#echoCost span{border-bottom:1px solid #888;padding:2px 0}#echoCost .short{color:#a33}
.echo-prep-actions,.echo-actions{display:flex;gap:10px;align-items:center}.echo-action,.echo-text-button,.echo-pad button{font:16px "Times New Roman",serif;background:#fff;color:#111;border:1px solid #222;padding:9px 18px;cursor:pointer;min-height:42px}
.echo-action:hover,.echo-pad button:hover{text-decoration:underline}.echo-action:disabled{color:#aaa;border-color:#aaa;cursor:default;text-decoration:none}.echo-action.active{background:#111;color:#fff}
.echo-text-button{border:0;text-decoration:underline;padding:9px 4px}.echo-help{display:none;border-left:2px solid #aaa;margin-top:18px;padding:5px 14px;line-height:1.55;color:#555}
.echo-result{border:1px solid #222;padding:14px 16px;margin:0 0 20px;width:430px;box-sizing:border-box}.echo-result.won{box-shadow:inset 4px 0 #758f76}.echo-result b{font-size:18px}.echo-result p{color:#555}
#echoRun{display:none}.echo-run-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:8px;min-height:32px}.echo-run-label{text-transform:uppercase;letter-spacing:.15em;font-size:10px;color:#777;margin-right:10px}
#echoVitals{display:flex;gap:20px;font-size:14px}.echo-hearts{letter-spacing:4px}
#echoCanvasWrap{position:relative;background:#020304;border:1px solid #333;width:660px;height:470px;max-width:100%;box-sizing:border-box;overflow:hidden}
#echoCanvas{display:block;width:100%;height:100%;touch-action:none}.echo-run-header strong{font-weight:normal}
#echoToast{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);color:#eee;background:rgba(0,0,0,.65);padding:5px 10px;white-space:nowrap;pointer-events:none;opacity:0}
#echoControls{display:flex;justify-content:space-between;align-items:center;margin-top:12px;width:660px;max-width:100%}.echo-pad{display:grid;grid-template-columns:repeat(3,44px);gap:4px}.echo-pad button{padding:0;height:42px}.echo-pad button:nth-child(1){grid-column:2}.echo-pad button:nth-child(2){grid-column:1}.echo-actions{justify-content:flex-end;flex-wrap:wrap}
#echoLog{margin-top:14px;line-height:1.45;min-height:75px;color:#333}
@media(max-width:800px){#echoPanel{min-height:0}.echo-lead{font-size:17px}#echoDepthList,.echo-result{width:100%}.echo-depth{gap:12px}.echo-depth small{text-align:right}#echoCost{flex-wrap:wrap}.echo-run-header{align-items:flex-start;gap:10px}.echo-run-header>div:first-child{max-width:45%}#echoVitals{flex-direction:column;gap:3px;text-align:right}.echo-hearts{font-size:18px}#echoCanvasWrap{height:auto;aspect-ratio:660/470}#echoControls{align-items:flex-end;gap:12px}.echo-actions{gap:6px}.echo-actions .echo-action{padding:8px 10px;font-size:15px}.echo-actions .echo-text-button{width:100%;text-align:right}.echo-pad{grid-template-columns:repeat(3,42px)}.echo-pad button{height:40px}.echo-prep-actions{flex-wrap:wrap}}