:root{color-scheme:light;font-family:Segoe UI,Tahoma,Arial,sans-serif;--navy: #031049;--navy-2: #0a216c;--cyan: #18a9dc;--cyan-2: #7be4ff;--green: #20c997;--red: #f05a5f;--amber: #f5b84b;--ink: #091233;--muted: #5f6d88;--line: #cfdeeb;--panel: rgba(255, 255, 255, .94);--page: #f5fbff;--shadow: 0 18px 60px rgba(7, 24, 88, .14)}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:radial-gradient(circle at 16% -14%,rgba(3,16,73,.18),transparent 34rem),radial-gradient(circle at top right,rgba(24,169,220,.24),transparent 35rem),linear-gradient(135deg,#f7fdff,#e9f7fb 48%,#fff);color:var(--ink)}button,select,input{font:inherit}button{cursor:pointer}button:disabled,select:disabled{cursor:not-allowed}.app-shell{position:relative;min-height:100vh;overflow-x:hidden;padding:clamp(10px,1.8vw,24px)}.background-grid{position:fixed;inset:0;pointer-events:none;opacity:.52;background-image:linear-gradient(rgba(3,16,73,.055) 1px,transparent 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p:not(.eyebrow){color:var(--muted);font-size:clamp(.96rem,1.15vw,1.08rem);line-height:1.62}.level-section{display:grid;gap:10px;padding-bottom:0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px}.section-heading span{color:var(--navy);font-size:clamp(1.16rem,1.8vw,1.38rem);font-weight:900}.section-heading strong{color:var(--muted);font-size:.95rem;font-weight:700}.level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.level-card{position:relative;display:grid;min-height:128px;gap:6px;overflow:hidden;border:1px solid rgba(3,16,73,.11);border-radius:8px;padding:16px;background:var(--panel);color:var(--ink);text-align:right;box-shadow:0 12px 32px #0310491a;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.app-shell.is-ltr .level-card,.app-shell.is-ltr .answer-option,.app-shell.is-ltr .sequence-pill{text-align:left}.app-shell.is-ltr .action-row{justify-content:flex-start}.app-shell.is-ltr 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strong{color:var(--level-accent);font-size:1.18rem}.focus-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.focus-item{display:flex;align-items:center;gap:8px;min-height:48px;border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#ffffffb8;color:var(--navy);font-weight:850}.mini-visual{display:grid;place-items:center;flex:0 0 auto;width:34px;height:34px;border-radius:8px;background:var(--navy);color:#fff;font-size:.72rem;font-weight:900}.mini-visual.ai{background:var(--cyan)}.mini-visual.robotics{background:var(--navy);font-size:1.25rem}.mini-visual.cs{background:var(--green)}.mini-visual.tech{background:var(--amber);color:#4b3205;font-size:.64rem}.participant-overlay{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 48% 18%,rgba(24,169,220,.18),transparent 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