:root{color:#17202a;background:#f6f9fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--ink: #17202a;--muted: #667483;--line: #dce6ee;--paper: #f6f9fb;--surface: #ffffff;--navy: #10233f;--navy-2: #17365f;--teal: #17a398;--teal-soft: #dff7f4;--gold: #e8a317;--gold-soft: #fff3d4;--coral: #f05d5e;--shadow: 0 24px 70px rgba(16, 35, 63, .12)}*{box-sizing:border-box}body{min-width:320px;margin:0;background:radial-gradient(circle at 12% 8%,rgba(23,163,152,.14),transparent 28%),radial-gradient(circle at 88% 0%,rgba(232,163,23,.12),transparent 30%),var(--paper)}html,body,#root{max-width:100%;overflow-x:hidden}h1,h2,h3,p,span,strong,small,button{overflow-wrap:anywhere}button{font:inherit}.app-shell{width:min(1460px,calc(100% - 32px));margin:0 auto;padding:22px 0 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p:not(.eyebrow){margin:0;color:var(--muted);line-height:1.55}.mode-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.mode-card{display:grid;gap:8px;min-height:162px;border:1px solid var(--line);border-radius:8px;padding:14px;background:#fff;color:var(--navy);cursor:pointer;text-align:left}.mode-card span{width:fit-content;padding:5px 8px;border-radius:999px;background:#eef6f8;color:var(--teal);font-size:.72rem;font-weight:900;text-transform:uppercase}.mode-card strong{font-size:1.08rem;line-height:1.14}.mode-card small{color:var(--muted);font-size:.9rem;line-height:1.42}.mode-card-active{border-color:#17a398bf;box-shadow:0 14px 34px #17a39824}.welcome-copy h1{max-width:860px;margin:8px 0 18px;color:var(--navy);font-size:clamp(2.8rem,6.2vw,5.6rem);line-height:.94;letter-spacing:0}.welcome-copy 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code{color:var(--navy);white-space:pre-wrap;text-align:right}.disclaimer{display:grid;gap:6px;color:var(--muted);line-height:1.45}.disclaimer strong{color:var(--coral)}.feedback-card{display:grid;gap:12px;padding:16px;border:1px solid rgba(23,163,152,.24);border-radius:8px;background:#fffffff0;box-shadow:0 14px 44px #10233f12}.feedback-card h3{margin:4px 0 0;color:var(--navy)}.feedback-card label{display:grid;gap:6px;color:var(--navy);font-size:.9rem;font-weight:850}.feedback-card select,.feedback-card textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:#fbfdfe;color:var(--ink);font:inherit}.feedback-card textarea{resize:vertical}.error-message{display:grid;gap:8px;margin:0;padding:14px 16px;border:1px solid rgba(180,35,24,.22);border-radius:8px;background:linear-gradient(135deg,#fff7f7,#fff);color:#b42318;box-shadow:0 16px 34px #b4231814}.error-message strong{font-weight:900}.error-message span,.error-message 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h1{font-size:2.75rem}.camera-frame,.camera-video{min-height:320px}.camera-guidance{left:14px;right:14px;bottom:58px;max-width:none}.confidence-card,.panel-heading,.timer-row,.rgb-row{align-items:flex-start;grid-template-columns:1fr;flex-direction:column;gap:8px}.rgb-row code{text-align:left}}