:root{--bg: #000000;--surface: rgba(28, 28, 30, .72);--surface-2: rgba(44, 44, 46, .6);--border: rgba(255, 255, 255, .09);--text: #f5f5f7;--text-dim: rgba(235, 235, 245, .6);--text-faint: rgba(235, 235, 245, .35);--blue: #0a84ff;--green: #30d158;--red: #ff453a;--radius: 22px;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,Helvetica Neue,Helvetica,Arial,system-ui,sans-serif;color-scheme:dark;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;color:var(--text);background:radial-gradient(1200px 800px at 50% -10%,#1c1c1e,#000 60%),var(--bg)}.page{min-height:100%;display:flex;justify-content:center;padding:clamp(16px,4vw,48px)}.app{width:100%;max-width:460px;display:flex;flex-direction:column;gap:20px}.app-header h1{margin:0;font-size:clamp(1.6rem,6vw,2rem);font-weight:600;letter-spacing:-.02em}.app-header p{margin:6px 0 0;color:var(--text-dim);font-size:.95rem}.display{background:var(--surface);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;min-height:116px;display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-end;text-align:right}.display-caption{color:var(--text-dim);font-size:1rem;min-height:1.2em;font-variant-numeric:tabular-nums}.display-primary{font-size:clamp(2.6rem,12vw,3.6rem);font-weight:300;letter-spacing:-.03em;line-height:1.05;font-variant-numeric:tabular-nums;word-break:break-all}.display-primary.is-error{color:var(--red);font-size:2rem}.camera{position:relative;width:100%;aspect-ratio:4 / 3;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#0c0c0e}.camera-video,.camera-overlay{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.camera-status{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;text-align:center;background:#0c0c0ed1;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.camera-status-title{margin:0;font-size:1.1rem;font-weight:600}.camera-status-detail{margin:0;color:var(--text-dim);font-size:.85rem;max-width:32ch}.hud{position:absolute;left:0;right:0;bottom:0;padding:16px;display:flex;align-items:flex-end;justify-content:space-between;background:linear-gradient(to top,rgba(0,0,0,.55),transparent);pointer-events:none}.hud-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:var(--surface-2);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid var(--border);font-size:.9rem;font-weight:500}.hud-dot{width:8px;height:8px;border-radius:50%;background:var(--text-faint);transition:background .2s ease}.hud.is-active .hud-dot{background:var(--green);box-shadow:0 0 8px var(--green)}.hud-candidate{position:relative;width:64px;height:64px;display:grid;place-items:center}.hud-token{position:absolute;font-size:1.6rem;font-weight:500;font-variant-numeric:tabular-nums}.ring{transform:rotate(-90deg)}.ring-track{fill:none;stroke:#ffffff2e;stroke-width:5}.ring-progress{fill:none;stroke:var(--blue);stroke-width:5;stroke-linecap:round;transition:stroke-dashoffset .08s linear}.demo-badge{position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:999px;background:var(--blue);font-size:.75rem;font-weight:600;letter-spacing:.02em}.guide{display:flex;flex-direction:column;gap:18px}.guide-group h2{margin:0 0 10px;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim)}.guide-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.guide-card{background:var(--surface);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border);border-radius:20px;padding:12px 10px 14px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}.guide-icon{width:100%;min-height:96px;border-radius:16px;background:#ffffff0d;box-shadow:inset 0 .5px #ffffff1a;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:8px 6px 6px;flex-shrink:0}.guide-icon.is-operator .guide-glyph{color:#ff9f0a}.guide-icon.is-clear .guide-glyph{color:var(--red)}.guide-glyph{font-size:1.55rem;font-weight:400;letter-spacing:-.04em;line-height:1;color:var(--text);font-variant-numeric:tabular-nums}.hand-sign{display:block;overflow:visible}.hand-sign-primary{fill:#f5f5f7}.hand-sign-secondary{fill:#f5f5f761}.hand-sign-tertiary{fill:#f5f5f729}.guide-label{font-size:.9rem;font-weight:600;letter-spacing:-.015em}.guide-hint{font-size:.7rem;line-height:1.25;color:var(--text-dim);max-width:12ch}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:999px;padding:11px 22px;font-size:.95rem;font-weight:600;color:#fff;background:var(--blue);cursor:pointer;transition:transform .06s ease,opacity .2s ease,background .2s ease}.btn:hover{background:#3395ff}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:default}.demo-controls{display:flex;justify-content:center}.btn-demo{background:var(--surface-2);border:1px solid var(--border);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.btn-demo:hover{background:#48484ab3}.app-footer{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;color:var(--text-faint);font-size:.8rem;padding-bottom:8px}.app-footer-link{color:var(--text-faint);text-decoration:none;letter-spacing:-.01em;transition:color .15s ease}.app-footer-link:hover{color:var(--text-dim)}.app-footer-link:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}.spinner{width:34px;height:34px;border-radius:50%;border:3px solid rgba(255,255,255,.15);border-top-color:var(--blue);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:380px){.guide-grid{grid-template-columns:repeat(2,1fr)}}