:root{--accent:#ffb45b;--bg:#10151c;--panel:#19212b;--ink:#eef2ed;--muted:#96a5b0;--line:#33414c}*{box-sizing:border-box}html{background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif}body{margin:0;min-width:280px}button{font:inherit;cursor:pointer;touch-action:manipulation}button:disabled{cursor:default;opacity:.4}button:focus-visible{outline:3px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.shell{max-width:1320px;margin:auto;padding:0 4%}header{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:23px 0;border-bottom:1px solid var(--line)}.brand{font-size:18px;font-weight:900;letter-spacing:-.5px}.brand i{font-style:normal;color:var(--accent)}.brand small{display:block;font-size:8px;letter-spacing:2.5px;margin-top:6px;color:var(--muted);font-weight:500}.tools{display:flex;gap:8px}.quiet{color:var(--ink);border:1px solid var(--line);background:transparent;border-radius:9px;font-size:11px;padding:11px 14px;min-height:40px}.quiet:hover{border-color:var(--accent)}.topline{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:23px 0 20px}.eyebrow{font-size:9px;letter-spacing:2px;font-weight:700;color:var(--accent)}h1{font-size:clamp(30px,4.5vw,54px);letter-spacing:-2px;line-height:1.03;margin:9px 0 0}h1 span{color:var(--accent)}.stats{display:flex;gap:25px}.stats small{display:block;font-size:8px;color:var(--muted);letter-spacing:1.5px;margin-bottom:6px}.stats strong{font-size:26px;font-weight:500}.stats strong em{font-style:normal;color:var(--muted);font-size:12px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:22px;align-items:stretch}.board{position:relative;background:#121e28;border:1px solid var(--line);border-radius:17px;overflow:hidden;aspect-ratio:900/620;align-self:center;touch-action:none}.board canvas{display:block;width:100%;height:100%;touch-action:none}.board .scene-label{position:absolute;left:20px;top:17px;font-size:8px;letter-spacing:2px;pointer-events:none;color:#a4b1bc}.live{position:absolute;right:18px;top:16px;font-size:9px;color:var(--accent);pointer-events:none;letter-spacing:1px}.sidebar{padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:17px;display:flex;flex-direction:column}.sidebar h2{font-size:23px;line-height:1.13;letter-spacing:-.7px;margin:16px 0 10px}.sidebar p{font-size:12px;line-height:1.7;color:var(--muted);margin:0}.instruction-steps{list-style:none;padding:0;margin:23px 0}.instruction-steps li{display:flex;align-items:center;gap:9px;font-size:10px;margin:14px 0;color:#bdc6cc}.instruction-steps b{display:grid;place-items:center;flex-shrink:0;width:23px;height:23px;border:1px solid var(--line);border-radius:50%;font-size:9px;color:var(--accent)}.sidebar .control-buttons{display:grid;gap:9px;margin-top:auto}.primary{background:var(--accent);border:0;color:#17202b;border-radius:9px;min-height:43px;padding:12px 16px;font-size:12px;font-weight:700}.primary:hover{filter:brightness(1.1)}.instruction-bar{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:13px 17px;margin-top:15px;background:var(--panel)}.instruction-bar>span{font-size:23px;color:var(--accent)}#instruction{margin:0;font-size:12px;line-height:1.5}.level-track{display:flex;gap:5px;margin:20px 0 18px}.level-track span{height:4px;background:var(--line);flex:1;border-radius:3px}.level-track .done{background:var(--accent)}.level-track .current{background:var(--ink)}footer{display:flex;justify-content:space-between;color:var(--muted);font-size:8px;letter-spacing:1.3px;padding-bottom:18px}#loading,.result{position:absolute;inset:0;z-index:3;display:flex;justify-content:center;align-items:center;background:#111923cc;backdrop-filter:blur(7px)}#loading{position:fixed;background:var(--bg);z-index:10;flex-direction:column;gap:16px;font-size:12px;letter-spacing:2px}.loading-dot{width:35px;height:35px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%}.result-card{background:var(--panel);border:1px solid var(--line);padding:27px;text-align:center;border-radius:18px;width:min(380px,90%)}.result-card h2{font-size:33px;letter-spacing:-1px;margin:10px 0}.result-card p{font-size:12px;line-height:1.6;color:var(--muted)}.result-card .primary{display:block;width:100%;margin-top:13px}.result-card .quiet{margin-top:8px}.result-stars{font-size:27px;color:var(--accent);letter-spacing:7px;min-height:33px}dialog{background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:17px;padding:28px;width:min(520px,calc(100vw - 24px));max-height:90dvh;overflow:auto}dialog::backdrop{background:#050c14b0;backdrop-filter:blur(5px)}dialog h2{font-size:29px;letter-spacing:-1px;margin:10px 0}dialog p,dialog li{font-size:13px;line-height:1.7;color:var(--muted)}.close{position:absolute;right:12px;top:10px;font-size:23px;color:var(--ink);background:none;border:none;padding:4px 9px}#levelGrid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:20px}#levelGrid button{background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:9px;min-height:56px;font-size:18px}#levelGrid button small{display:block;font-size:8px;letter-spacing:1px;margin-top:4px;color:var(--accent)}#notice{font-size:11px;color:#ffd9a6;line-height:1.5}body[data-mode=draw]{--accent:#d2b1ff;--bg:#161421;--panel:#211d30;--line:#403751}body[data-mode=perfect]{--accent:#ffb896;--bg:#13282c;--panel:#1b3538;--line:#395254}body[data-mode=control]{--accent:#60efe2;--bg:#0d1b23;--panel:#152b34;--line:#2a4650}@media(min-width:901px) and (max-height:820px){.shell{max-width:1140px}header{padding:15px 0}.topline{padding:16px 0}.sidebar{padding:16px}.sidebar h2{font-size:21px}.instruction-steps{margin:14px 0}.instruction-steps li{margin:10px 0}.layout{grid-template-columns:minmax(0,1fr) 220px}.level-track{margin:13px 0}.instruction-bar{margin-top:12px;padding:10px 14px}h1{font-size:39px}}@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{display:none}.topline{padding:18px 0}.stats{gap:15px}.stats strong{font-size:23px}.mobile-actions{display:flex;gap:8px;margin-top:12px}.mobile-actions button{flex:1}.board{border-radius:12px}.scene-label{left:12px!important;top:11px!important;font-size:7px!important}.live{top:10px;right:10px;font-size:8px}}@media(min-width:901px){.mobile-actions{display:none}}@media(max-width:480px){header{padding:16px 0}.brand{font-size:14px}.brand small{font-size:6px}.tools{gap:4px}.tools .quiet{padding:9px;font-size:10px}.stats{gap:11px}.stats small{font-size:7px}.stats strong{font-size:20px}h1{font-size:31px}.topline{gap:10px}#instruction{font-size:11px}.result-card{padding:15px}.result-card h2{font-size:25px;margin:6px 0}.result-card p{font-size:10px;margin:6px 0}.result-stars{font-size:18px;min-height:20px}.result-card .primary{padding:8px;min-height:35px;margin-top:8px}.result-card .quiet{padding:8px;min-height:34px;margin-top:5px}.board .scene-label{display:none}.level-track{gap:3px}footer{font-size:7px}.instruction-bar{padding:10px}.eyebrow{font-size:8px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(min-width:901px) and (max-height:820px){.shell{max-width:1020px}.sidebar h2{font-size:19px}.sidebar p{font-size:11px}.instruction-steps li{font-size:9px}.topline{padding:14px 0}.instruction-bar{padding:9px 12px}.level-track{margin:11px 0}footer{padding-bottom:10px}}
.stats{flex-shrink:0}.stats strong{white-space:nowrap}.result-card{max-height:94%;overflow-y:auto}@media(max-width:480px){.stats strong{font-size:18px}.stats strong em{font-size:10px}.stats small{letter-spacing:.5px}.topline{gap:8px}.topline>div:first-child{min-width:0}.result-card .eyebrow{font-size:7px;letter-spacing:1px}}