:root{--paper: #edf0f2;--trace: #d9dfe4;--ink: #1c2531;--muted: #5d6874;--card: #f8f9fa;--line: #cdd4db;--accent: #e0442e;--ok: #2e9e6a;--warn: #e2a72e}*{box-sizing:border-box;margin:0}html,body{width:100%;height:100%;overflow:hidden;background:var(--paper);color:var(--ink);font-family:Barlow,sans-serif}button{font:inherit;color:inherit;cursor:pointer}#traces,#gl,#leaders{position:fixed;inset:0;width:100%;height:100%}#gl{z-index:1;touch-action:none;cursor:grab}#traces{z-index:0}#leaders{z-index:2;pointer-events:none}.h{font-family:Barlow Semi Condensed,sans-serif;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.mono{font-family:JetBrains Mono,monospace}.card{background:var(--card);border:1px solid var(--line);border-radius:6px}.ic{display:inline-grid;place-items:center}.ic svg{width:1em;height:1em;display:block;fill:currentColor}.brand{position:fixed;left:28px;top:22px;z-index:4;display:flex;align-items:center;gap:18px}.brand .logo{width:52px;height:52px;border:4px solid 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var(--accent)}.spec{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:10px 0;border-bottom:1px solid var(--line)}.spec .h{font-size:13px;color:var(--muted)}.spec .mono{font-size:13px;text-align:right}.try{flex:none;padding:14px 18px 16px;max-height:62%;overflow-y:auto}.try .top{display:flex;justify-content:space-between;align-items:center}.try .top .h{font-size:15px}.try .sub{margin-top:4px;font-size:12px;color:var(--muted)}.btns{display:flex;gap:8px}.ibtn{width:34px;height:34px;display:grid;place-items:center;font-size:17px;background:#fff;border:1px solid var(--line);border-radius:6px}.ibtn.run{background:var(--accent);color:#fff;border-color:var(--accent)}.ibtn:disabled{opacity:.5;cursor:default}.sl{margin-top:12px}.sl .row{display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}.sl .row b{color:var(--ink);font-weight:500}input[type=range]{--p: 50%;-webkit-appearance:none;appearance:none;width:100%;height:18px;margin:4px 0 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var(--ok)}.ordcard.bad{border-color:var(--accent);box-shadow:inset 3px 0 0 var(--accent)}@media(max-width:1099px){html{height:auto;overflow-x:hidden;overflow-y:auto}body{height:auto;min-height:100%;overflow:visible;position:relative;display:flex;flex-direction:column}.brand{order:1;position:relative;left:auto;top:auto;padding:14px 16px 12px;gap:12px}.brand .logo{width:40px;height:40px;border-width:3px;font-size:20px;flex:none}.brand .t1{font-size:22px;letter-spacing:.12em}.brand .t2{font-size:11px;letter-spacing:.2em}.steps{position:absolute;left:auto;right:16px;top:24px}.steps .lab,.steps .seg{display:none}.lessons{order:2;position:relative;z-index:1;left:auto;top:auto;bottom:auto;width:auto;margin:0 16px 12px;overflow:visible}.lessons .lbl{display:none}.strip{position:relative;flex-direction:row;overflow-x:auto;overflow-y:hidden;padding-bottom:6px;-webkit-overflow-scrolling:touch}.lesson{width:190px;height:auto;min-height:48px;padding:6px 10px 6px 8px}.lesson img{display:none}.lesson .h{line-height:1.2}#stage{order:3;position:relative;z-index:1;height:clamp(260px,55vh,460px);margin:0 16px 12px;border-radius:6px;overflow:hidden;background:var(--card)}#gl{position:absolute}#leaders,#callouts{display:none}.sctl{position:absolute;left:auto;right:8px;bottom:8px;flex-direction:row}.sctl button{width:40px;height:40px}.side{order:4;position:relative;right:auto;top:auto;bottom:auto;width:auto;margin:0 16px}.panel{flex:none}.tabs{gap:20px;padding:6px 16px 0;overflow-x:auto}.tabs button{flex:none;white-space:nowrap;padding:10px 0 12px}.body{padding:16px;overflow:visible;flex:none}.try{max-height:none;overflow:visible;padding:14px 16px 16px}.ibtn{width:40px;height:40px}input[type=range]{height:40px}.sl select,.sl input[type=number]{min-height:44px;padding:8px 10px;font-size:16px}.chk{min-height:40px}.act{min-height:40px;padding:8px 12px}.ordcard{height:48px}.ordcard .mv button{width:40px;height:40px}.credit{order:5;position:relative;left:auto;bottom:auto;z-index:1;margin:0 16px;padding:14px 0 24px}}