[hidden]{display:none!important}:root{--bg: #02030a;--panel: #0b1020;--card: #111830;--line: #24304f;--text: #e8ecf8;--muted: #98a3c0;--accent: #ffd27a;--accent-ink: #1b1405;--focus: #7ab8ff;--error: #ff8a8a;--warn: #ffd27a;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:BIZ UDPGothic,Yu Gothic UI,Meiryo,Hiragino Kaku Gothic ProN,system-ui,sans-serif;font-size:14px}#app{display:flex;height:100vh;overflow:hidden}#stage{position:relative;flex:1;min-width:0}#viewport,#viewport canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.hud{position:absolute;top:12px;left:16px;right:16px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;pointer-events:none}.title{margin:0;font-size:18px;letter-spacing:.04em;text-shadow:0 0 12px rgba(255,210,122,.5)}.tentative{font-size:12px;color:var(--muted)}.status,.next-info,.fps{background:#0b1020d1;border:1px solid var(--line);border-radius:999px;padding:4px 12px;display:inline-flex;gap:6px;align-items:center}.status[data-tone=busy] .status-icon{color:#7ab8ff}.status[data-tone=fly] .status-icon{color:#ffd27a}.status[data-tone=done] .status-icon{color:#7dffb0}.status[data-tone=error] .status-icon{color:var(--error)}.status[data-tone=pause] .status-icon{color:#c9a7ff}.next-info{pointer-events:auto;color:var(--accent)}.fps{font-variant-numeric:tabular-nums;color:var(--muted)}.notice{position:absolute;top:150px;left:50%;transform:translate(-50%);max-width:min(560px,calc(100% - 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24px));max-height:calc(100dvh - 24px);padding:20px;border:1px solid var(--line);border-radius:16px;background:var(--card);color:var(--text);box-shadow:0 20px 80px #000a}#previewDialog::backdrop{background:#02030acc}.editor-heading{display:flex;justify-content:space-between;align-items:start;gap:12px}.editor-heading h2{margin:0}.editor-heading button{flex-shrink:0}#editPreview{display:block;width:min(100%,90dvh);height:auto;margin:0 auto;background:#050814;border-radius:8px}.editor-toolbar input[type=range]{flex:1;min-width:100px;max-width:220px}@media(max-width:600px){#previewDialog{padding:12px}.editor-heading{flex-wrap:wrap}}.busy{display:flex;gap:8px;align-items:center;margin-top:8px}.busy[hidden]{display:none}.spinner{width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.small-btn{padding:3px 8px;font-size:12px}.warnings{margin:6px 0 0;padding-left:18px;color:var(--warn);font-size:12px;line-height:1.5}.error{color:var(--error);margin:8px 0 0;line-height:1.5}.error:before{content:"⚠ "}.timing-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px}.timing-grid label{display:flex;justify-content:space-between;align-items:center;gap:6px}.timing-grid input{width:72px}.note p{margin:0 0 6px;font-size:12px;line-height:1.6}kbd{border:1px solid var(--line);border-radius:4px;padding:0 4px;font-size:11px}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#02030abf;padding:16px}.overlay[hidden]{display:none}.overlay-box{max-width:480px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;line-height:1.7}.overlay-box h2{margin-top:0;font-size:18px}@media(max-width:860px){#app{flex-direction:column;height:auto;min-height:100vh;overflow:visible}#stage{height:62vh;flex:none}.panel{width:100%;border-left:none;border-top:1px solid var(--line)}.panel-toggle{display:inline-block}.controls button{padding:6px 8px;font-size:13px}}