:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--app-platform-bg:#fff;--app-platform-fg:#1d1d1f;--app-platform-muted:#1d1d1f8c;--app-platform-border:#1d1d1f1f;--app-platform-active-bg:#1d1d1f14}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--app-platform-bg:#1c1c21;--app-platform-fg:#f5f5f7;--app-platform-muted:#f5f5f78c;--app-platform-border:#f5f5f724;--app-platform-active-bg:#f5f5f724}.app-platform-header{z-index:10;padding-top:env(safe-area-inset-top,0px);background:var(--app-platform-bg);color:var(--app-platform-fg);border-bottom:1px solid var(--app-platform-border);position:sticky;top:0}.app-platform-header-inner{align-items:center;gap:10px;height:44px;padding:0 12px 0 16px;display:flex}.app-platform-brand{color:inherit;flex-shrink:0;font-weight:600;text-decoration:none}.app-platform-app-name{white-space:nowrap;text-overflow:ellipsis;min-width:0;color:var(--app-platform-muted);flex:1;overflow:hidden}.app-platform-theme{border:1px solid var(--app-platform-border);border-radius:8px;flex-shrink:0;gap:2px;margin-left:auto;padding:2px;display:flex}.app-platform-theme-btn{width:34px;height:26px;color:var(--app-platform-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;place-items:center;padding:0;display:grid}.app-platform-theme-btn[aria-pressed=true]{background:var(--app-platform-active-bg);color:var(--app-platform-fg)}.app-platform-theme-btn:focus-visible{outline:2px solid var(--app-platform-fg);outline-offset:1px}*{box-sizing:border-box}body{color:var(--ink);background:var(--page);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif;line-height:1.5}button,input,select,textarea{font:inherit}button,select,input[type=range]{cursor:pointer}button,.file-button{border:1px solid var(--line);background:var(--panel);min-height:44px;color:var(--ink);border-radius:8px;padding:9px 14px;font-size:13px;font-weight:550;transition:background .15s,border-color .15s}button:hover,.file-button:hover{border-color:var(--accent)}button:disabled{opacity:.38;cursor:default}button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}button[aria-pressed=true]{border-color:var(--accent);background:var(--tint)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}input[type=text],input[type=number],textarea,select{border:1px solid var(--line);background:var(--panel);min-height:44px;color:var(--ink);border-radius:7px;max-width:100%;padding:10px 12px}input[type=range]{width:100%;accent-color:var(--accent);min-height:32px;margin:0}textarea{resize:vertical;width:100%;line-height:1.7}h1,h2,h3,p{margin:0}.eyebrow{letter-spacing:.17em;text-transform:uppercase;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px}.muted{color:var(--muted);font-size:12px}.actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.panel{border:1px solid var(--line);background:var(--panel);border-radius:12px}.field{gap:6px;display:grid}.field>span,.field>label{color:var(--muted);justify-content:space-between;gap:8px;font-size:12px;display:flex}.section-label{justify-content:space-between;align-items:center;margin-bottom:12px;font-size:12px;font-weight:650;display:flex}#language-select{width:auto;min-width:70px;max-width:112px;height:30px;min-height:30px;color:var(--app-platform-fg);border-color:var(--app-platform-border);background:0 0;margin-inline-start:auto;padding:0 4px;font-size:11px}.app-platform-header .app-platform-theme{margin-inline-start:0}.app-platform-theme-btn{min-height:26px}.app-platform-header-inner{gap:8px}.app-platform-app-name{font-size:12px}#status{bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:50;border:1px solid var(--accent);background:var(--panel);width:max-content;max-width:min(90vw,540px);color:var(--ink);opacity:0;pointer-events:none;border-radius:10px;padding:12px 18px;font-size:13px;transition:opacity .2s,transform .2s;position:fixed;left:50%;transform:translate(-50%,14px);box-shadow:0 8px 35px #0002}#status.visible{opacity:1;transform:translate(-50%)}#status.error{border-color:#c85a4c}dialog{border:1px solid var(--line);background:var(--panel);width:min(90vw,480px);color:var(--ink);border-radius:14px;padding:24px}dialog::backdrop{background:#0007}dialog h2{margin-bottom:20px;font-size:17px}dialog textarea{min-height:140px;margin-bottom:14px}dialog .actions{justify-content:flex-end}.file-button{cursor:pointer;align-items:center;display:inline-flex}.file-button:focus-within{outline:2px solid var(--accent);outline-offset:3px}.file-button input{opacity:0;width:1px;height:1px;position:absolute}@media (width<=380px){.app-platform-app-name{display:none}.app-platform-theme-btn{width:29px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}canvas,input[type=number],input[type=range],progress,[role=progressbar]{direction:ltr}input[type=text],textarea{unicode-bidi:plaintext}.app-platform-app-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}#language-select{flex-shrink:1}.app-platform-theme{flex-shrink:0}#field,#keys,#home-keys,#editor-grid,.page-nav,.meter-input,#chart-choice{direction:ltr}:root{--page:#f6f7f1;--panel:#fffef9;--field:#eff2e9;--ink:#263d31;--muted:#69796e;--line:#d2ddcf;--accent:#47734c;--accent-ink:#fffef9;--tint:#e5eddf;--lane-0:#1765cc;--lane-1:#c32459;--lane-2:#8b6200;--lane-3:var(--lane-1);--lane-4:var(--lane-0);--beat-line:#98ad9b;--measure-line:#5f7965;--error:#b64664}:root[data-theme=dark]{--page:#101416;--panel:#18201c;--field:#131a17;--ink:#edf4f0;--muted:#96a99c;--line:#35443e;--accent:#b4e8b5;--accent-ink:#15271a;--tint:#283b2b;--lane-0:#39b9ff;--lane-1:#ff5b88;--lane-2:#ffd34d;--lane-3:var(--lane-1);--lane-4:var(--lane-0);--beat-line:#4e6c5c;--measure-line:#91b7a0;--error:#efb3ce}.beat-app{width:100%;max-width:840px;height:calc(100dvh - 45px - env(safe-area-inset-top,0px));min-height:440px;padding:10px 16px max(12px, env(safe-area-inset-bottom));flex-direction:column;margin:auto;display:flex}.home-page[hidden],.beat-app[hidden]{display:none}.home-page{width:min(100%,560px);padding:clamp(24px, 4vh, 44px) 20px max(24px, env(safe-area-inset-bottom));margin:auto}.home-page h1{letter-spacing:-1.5px;margin:0;font-size:clamp(36px,8vw,44px);font-weight:650;line-height:1.2}.home-art{border:1px solid var(--line);background:repeating-linear-gradient(to bottom, var(--field) 0 29px, var(--line) 29px 30px);grid-template-columns:repeat(5,1fr);height:120px;margin:24px 0;display:grid;position:relative}.home-art i{border-inline-end:1px solid var(--line);position:relative}.home-art i:last-child{border-inline-end:0}.home-art i:before{content:"";inset-inline:0;top:var(--note-y);background:var(--lane-color);opacity:.85;height:23px;position:absolute}.home-art i:first-child{--lane-color:var(--lane-0);--note-y:14px}.home-art i:nth-child(2){--lane-color:var(--lane-1);--note-y:48px}.home-art i:nth-child(3){--lane-color:var(--lane-2);--note-y:4px}.home-art i:nth-child(4){--lane-color:var(--lane-3);--note-y:36px}.home-art i:nth-child(5){--lane-color:var(--lane-4);--note-y:22px}.home-art:after{content:"";inset-inline:0;border-block:1px solid var(--measure-line);background:color-mix(in srgb, var(--accent) 8%, transparent);height:23px;position:absolute;bottom:12px}.home-chart>label,.home-chart>p{color:var(--muted);font-size:12px}.home-chart select{width:100%;color:var(--ink);background-color:#0000;border-color:#0000;margin:6px 0;padding-inline:0;font-size:18px;font-weight:600;display:block}.home-chart select:disabled{appearance:none;cursor:default}.home-actions{gap:10px;margin:22px 0 26px;display:grid}.home-actions>button,.home-actions>a{min-height:50px;font-size:15px}.home-guide{border-top:1px solid var(--line);padding-top:20px}.home-guide h2{margin-bottom:12px;font-size:14px}.home-keys{grid-template-columns:repeat(5,1fr);gap:4px;display:grid}.home-keys kbd{background:color-mix(in srgb, var(--lane-color) 12%, var(--panel));min-height:36px;color:var(--lane-color);border-radius:4px;place-items:center;font-family:inherit;font-size:13px;font-weight:600;display:grid}.home-guide p,.home-guide li{color:var(--muted);font-size:12px;line-height:1.8}.home-guide p{margin-top:12px}.home-guide ul{gap:5px;margin:12px 0 0;padding:0;list-style:none;display:grid}.home-guide li{gap:12px;display:flex}.home-guide li b{min-width:66px;color:var(--ink);flex-shrink:0;font-weight:550}.button-link{border:1px solid var(--line);background:var(--panel);min-height:44px;color:var(--ink);border-radius:8px;justify-content:center;align-items:center;padding:9px 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var(--line);background:var(--field);border-radius:12px;flex:1;min-height:180px;position:relative;overflow:hidden}#game-canvas{width:100%;height:100%;display:block;position:absolute}.overlay{z-index:2;text-align:center;background:color-mix(in srgb, var(--field) 95%, transparent);flex-direction:column;justify-content:center;align-items:center;padding:20px;display:flex;position:absolute;inset:0}.overlay[hidden]{display:none}.overlay h2{letter-spacing:-.04em;margin:10px 0;font-size:clamp(23px,5vw,30px)}.overlay>p{color:var(--muted);white-space:pre-line;max-width:360px;font-size:12px;line-height:1.9}.overlay .primary{margin-top:20px;padding-inline:30px}.keys{--track-cell-height:48px;border:1px solid var(--line);background:var(--panel);flex-shrink:0;grid-template-columns:repeat(5,minmax(0,1fr));margin-top:10px;display:grid}.key{height:var(--track-cell-height);min-height:0;color:var(--lane-color);background:color-mix(in srgb, var(--lane-color) 16%, var(--panel));touch-action:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;font-size:clamp(9px, calc(var(--track-cell-height) * .42), 22px);border:0;border-radius:0;place-items:center;margin:0;padding:0;font-weight:700;line-height:1;display:grid;overflow:hidden}.key:hover{background:color-mix(in srgb, var(--lane-color) 25%, var(--panel))}.key:focus-visible{outline-offset:-3px}.key.active{background:var(--lane-color);color:var(--page)}.controls{flex-shrink:0;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:end;gap:8px 12px;margin-top:8px;display:grid}.controls label{align-items:center;gap:8px;min-width:0;display:flex}.controls label>span{color:var(--muted);flex-shrink:0;font-size:10px}.controls select{flex:1;width:0;padding:7px;font-size:12px}.controls input{flex:1;width:0}.controls>button,.controls>.button-link{min-width:0}#time{font-variant-numeric:tabular-nums}#judge{z-index:1;text-align:center;color:var(--accent);pointer-events:none;opacity:0;font-size:27px;font-weight:700;position:absolute;top:39%;left:0;right:0}#judge small{margin-top:3px;font-size:11px;font-weight:400;display:block}#judge[data-verdict=miss]{color:var(--error)}.editor-page{width:min(100%,760px);padding:24px 20px max(24px, env(safe-area-inset-bottom));margin:auto}.editor-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}.editor-head h1{margin:0;font-size:24px}.editor-head .button-link{flex-shrink:0}.editor-note{color:var(--muted);margin:10px 0;font-size:11px;line-height:1.8}.editor-settings{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr);gap:8px;margin:12px 0;display:grid}.editor-settings .field{min-width:0}.meter-settings{margin:12px 0 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.cell{border:0;border-block-start:1px solid var(--row-line);border-inline-end:1px solid var(--line);background:var(--field);min-height:44px;color:var(--lane-color);border-radius:0;padding:0;font-size:14px}.cell[data-lane="0"]{border-inline-start:1px solid var(--line)}.cell:nth-last-child(-n+5){border-block-end:1px solid var(--line)}.row-label.downbeat,.cell.downbeat{--row-line:var(--muted);border-block-start-width:2px}.row-label.halfbeat,.cell.halfbeat{--row-line:var(--beat-line)}.cell:hover{background:color-mix(in srgb, var(--lane-color) 8%, var(--field))}.cell.on{background:color-mix(in srgb, var(--lane-color) 19%, var(--field))}.cell:focus-visible{outline-offset:-3px}.editor-actions{flex-wrap:wrap;gap:7px;margin-top:14px;display:flex}.editor-actions button{flex-grow:1;padding-inline:10px;font-size:12px}.editor-actions select{flex:140px;min-width:0;font-size:12px}.editor-actions .primary{flex-grow:2}#editor-status{color:var(--accent);margin-top:14px;font-size:12px;line-height:1.7}#editor-status.error{color:var(--error)}.chart-editor details{border-top:1px solid var(--line);margin-top:12px;padding-top:12px;font-size:12px}.chart-editor summary{cursor:pointer;min-height:32px}@media (width>=540px){.home-actions{grid-template-columns:1fr 1fr}}@media (width<=360px){.beat-app,.editor-page{padding-inline:12px}.page-nav button{padding-inline:6px}}@media (height<=700px){.overlay h2{font-size:24px}.overlay .primary{margin-top:12px}}