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#0003}.video-loader{display:grid;grid-template-columns:minmax(220px,1fr) auto auto;gap:10px;align-items:end}.metadata-grid{display:grid;grid-template-columns:2fr 1.4fr .7fr .8fr 1.5fr;gap:10px}.difficulty-selector{grid-column:1 / -1;min-width:0;margin:2px 0 0;padding:0;border:0}.difficulty-selector legend{margin-bottom:6px;color:color-mix(in srgb,var(--arcade-silver) 68%,var(--arcade-blue));font-size:11px;font-weight:800}.difficulty-selector>div{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.difficulty-selector button{color:color-mix(in srgb,var(--arcade-silver) 70%,var(--arcade-blue));font-size:11px;font-weight:900;letter-spacing:.1em}.difficulty-selector button[aria-checked=true]{border-color:var(--arcade-gold);color:var(--arcade-background);background:linear-gradient(135deg,var(--arcade-cyan),var(--arcade-gold));box-shadow:0 0 13px color-mix(in srgb,var(--arcade-gold) 28%,transparent)}.transport{display:grid;grid-template-columns:repeat(6,auto) 100px 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i{display:inline-block;width:7px;height:7px;margin-left:7px;border-radius:2px}.density-track{position:relative;display:grid;grid-template-columns:repeat(96,1fr);height:62px;overflow:hidden;border:1px solid color-mix(in srgb,var(--arcade-cyan) 16%,transparent);border-radius:6px;background:color-mix(in srgb,var(--arcade-background) 92%,black)}.density-track button{position:relative;min-width:0;min-height:0;padding:0;border:0;border-radius:0;background:transparent}.density-track button:hover{background:#ffffff1f}.density-track button span{position:absolute;bottom:0;width:34%;min-height:0}.density-track [data-lane=left]{left:0;background:var(--arcade-blue)}.density-track [data-lane=right]{left:33%;background:var(--arcade-coral)}.density-track [data-lane=both]{left:66%;background:var(--arcade-gold)}.keyboard-density-minimap .density-track button span{width:16.666%}.keyboard-density-minimap .density-track 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7px);width:46px;transform:translateY(-50%);color:#7085a4;font-size:8px;font-style:normal;text-align:right}.keyboard-grid-note{position:absolute;z-index:3;min-height:8px;padding:0;border:1px solid var(--arcade-cyan);border-radius:4px;background:linear-gradient(135deg,var(--arcade-cyan),var(--arcade-blue));box-shadow:0 2px 7px color-mix(in srgb,var(--arcade-blue) 45%,transparent)}.keyboard-grid-note[data-kind=hold]{border-color:var(--arcade-gold);background:linear-gradient(180deg,var(--arcade-gold),var(--arcade-coral))}.keyboard-grid-note[data-selected=true]{border:2px solid var(--arcade-silver);box-shadow:0 0 0 2px var(--arcade-coral),0 0 18px color-mix(in srgb,var(--arcade-gold) 75%,transparent)}.keyboard-playhead{position:absolute;z-index:4;left:0;right:0;height:2px;background:var(--arcade-gold);box-shadow:0 0 9px var(--arcade-cyan);pointer-events:none}.keyboard-inspector{position:sticky;top:12px;display:grid;gap:10px}.keyboard-inspector h2{margin:0;color:var(--arcade-gold);font-size:13px;letter-spacing:.08em}.keyboard-inspector>span{color:var(--arcade-cyan);font-size:10px}.keyboard-inspector>p{color:#7f93b0;font-size:10px}.inspector-actions,.inspector-history{display:grid;grid-template-columns:1fr 1fr;gap:6px}.inspector-history{padding-top:10px;border-top:1px solid rgba(185,244,237,.14)}.inspector-history button:last-child{grid-column:1 / -1}.empty-cell{color:#53677f!important}.empty-timeline{padding:50px;color:#7388a5;text-align:center}.editor-actions{display:flex;justify-content:flex-end;gap:9px;margin:16px 0}.registration-help{align-self:center;margin-right:auto;color:color-mix(in srgb,var(--arcade-silver) 58%,var(--arcade-blue));font-size:10px;line-height:1.5}.payload-restore-modal{position:fixed;z-index:30;inset:0;display:grid;place-items:center;padding:18px;background:color-mix(in srgb,var(--arcade-background) 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34%,white);background:color-mix(in srgb,var(--arcade-coral) 18%,var(--arcade-panel))}.editor-warning{margin:0 0 14px;padding:12px 14px;border:1px solid color-mix(in srgb,var(--arcade-gold) 72%,transparent);border-radius:10px;background:color-mix(in srgb,var(--arcade-gold) 14%,transparent);color:color-mix(in srgb,var(--arcade-gold) 64%,white);font-weight:700}.validation-panel{margin-bottom:12px;overflow:hidden;border:1px solid color-mix(in srgb,var(--arcade-cyan) 20%,transparent);border-radius:10px;background:color-mix(in srgb,var(--arcade-panel) 88%,transparent)}.validation-panel header{display:flex;justify-content:space-between;padding:10px 13px;color:#9cb2cb;font-size:10px}.validation-panel header strong{color:var(--arcade-gold);letter-spacing:.12em}.validation-panel p{margin:0;padding:13px;color:var(--arcade-good);font-size:11px}.validation-panel ul{margin:0;padding:0;list-style:none}.validation-panel li button{display:flex;width:100%;gap:10px;align-items:center;border:0;border-top:1px solid rgba(255,255,255,.06);border-radius:0;background:transparent;text-align:left}.validation-panel li[data-severity=error] b{color:var(--arcade-coral)}.validation-panel li[data-severity=warning] b{color:var(--arcade-gold)}.reconnect-shell{display:grid;min-height:100vh;place-items:center}.reconnect-shell .editor-error{display:grid;max-width:620px;gap:12px;line-height:1.6}.reconnect-shell .editor-error strong{font-size:1.2rem}.reconnect-shell .editor-error span{color:#ffe0dc}.reconnect-shell .editor-error ol{margin:0;padding-left:22px}.reconnect-shell .editor-error button{justify-self:start}.preview-modal{position:fixed;z-index:20;inset:0;overflow:auto;padding:18px;background:color-mix(in srgb,var(--arcade-background) 94%,transparent)}.preview-modal .game-canvas{width:min(900px,100%);height:min(72vh,680px);min-height:500px;margin:auto;border:2px solid var(--arcade-cyan);border-radius:12px;overflow:hidden;box-shadow:0 0 24px color-mix(in srgb,var(--arcade-blue) 30%,transparent)}.preview-header{display:flex;justify-content:space-between;align-items:center;width:min(900px,100%);margin:0 auto 10px;color:var(--arcade-gold)}.web-player-shell{width:min(860px,100%);margin:0 auto 14px;aspect-ratio:16/9;overflow:hidden;border:2px solid color-mix(in srgb,var(--arcade-cyan) 58%,transparent);border-radius:10px;background:var(--arcade-background);box-shadow:0 0 0 3px color-mix(in srgb,var(--arcade-gold) 10%,transparent),0 0 22px color-mix(in srgb,var(--arcade-blue) 20%,transparent)}.web-player-shell iframe{width:100%;height:100%}@media(max-width:900px){.metadata-grid{grid-template-columns:repeat(2,1fr)}.transport{grid-template-columns:repeat(4,1fr)}.transport input[type=range]{grid-column:1 / -1}.record-panel,.pattern-tools{grid-template-columns:1fr}.timeline-row{grid-template-columns:24px 34px 30px 100px minmax(120px,1fr) 90px 65px}.keyboard-editor-layout{grid-template-columns:1fr}.keyboard-inspector{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.keyboard-inspector h2,.keyboard-inspector>span,.keyboard-inspector>p,.inspector-actions,.inspector-history{grid-column:1 / -1}}@media(max-width:560px){.editor-shell{padding:12px}.editor-header,.editor-actions{align-items:stretch;flex-direction:column}.difficulty-selector>div{grid-template-columns:repeat(2,1fr)}.video-loader,.metadata-grid,.roll-recorder{grid-template-columns:1fr}.capture-pad{grid-template-columns:1fr;gap:8px;text-align:center}.capture-pad span:last-child{text-align:center}.timeline-row{min-width:760px}.keyboard-tool-row{grid-template-columns:1fr}.keyboard-grid-scroll{margin-left:44px}.keyboard-grid-labels{grid-template-columns:44px repeat(6,1fr)}}:root{--arcade-background: #070a18;--arcade-panel: #10162b;--arcade-cyan: #5be7ff;--arcade-blue: #4c6fff;--arcade-violet: #9b7bff;--arcade-gold: #ffc857;--arcade-coral: 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var(--arcade-gold);border-radius:13px;color:#081126;background:linear-gradient(135deg,var(--arcade-cyan),var(--arcade-gold));font:950 16px/1 Arial Black,sans-serif;box-shadow:0 0 24px #43e7ff33}.web-brand strong{font-size:11px;letter-spacing:.2em}.web-topbar nav{display:flex;align-items:center;gap:8px}.web-topbar nav a{padding:9px 13px;border:1px solid transparent;border-radius:9px;color:#aab7d6;font-size:11px;font-weight:800;text-decoration:none}.web-topbar nav a:hover{border-color:#43e7ff47;color:#fff;background:#168dff1f}.web-account-button{min-height:32px;padding:7px 11px;border-color:#ffc8578c;color:#ffe092;background:#41300f6b;font-size:9px;font-weight:950;letter-spacing:.1em}.web-account-button:disabled{color:#697693;border-color:#69769347;background:#0f162a8c}.web-account-summary{display:inline-flex;align-items:center;gap:5px}.web-account-summary button{min-height:30px;padding:5px 8px;color:#bcd0f1;border-color:#5be7ff3d;background:#0a1b39bd;font-size:8px}.web-account-summary 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