:root{color-scheme:light;--ink:#172e36;--muted:#64777d;--line:#e0e9e9;--teal:#067c71;--light:#e7f5f1;--red:#b44141}
*{box-sizing:border-box}body{margin:0;background:#f3f7f6;color:var(--ink);font:15px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.shell{max-width:1180px;margin:auto;padding:44px 28px 24px}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}h1{font-size:clamp(26px,4vw,36px);font-weight:650;letter-spacing:-1.1px;margin:5px 0 8px}.eyebrow{font-size:11px;font-weight:750;letter-spacing:1.7px;color:var(--teal);margin:0}.subtitle{margin:0;color:var(--muted)}.badge{font-size:12px;background:#e8edee;color:#52656b;white-space:nowrap;padding:8px 12px;border-radius:30px}.badge.ready{background:var(--light);color:#116656}.badge.error{background:#fbeaea;color:var(--red)}.card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 3px 12px #183d3405}.controls{padding:18px;display:flex;align-items:end;gap:12px;margin-bottom:20px}.controls label{display:grid;gap:6px;font-size:12px;font-weight:650}.api-field{flex:1;min-width:120px}select,input[type=url]{height:42px;border:1px solid #d4dfe0;border-radius:8px;padding:0 12px;background:#fff;color:var(--ink);font:inherit;font-size:14px}select{min-width:130px}input[type=url]{width:100%}.button{height:42px;padding:0 17px;border-radius:8px;border:1px solid transparent;font:600 13px system-ui;cursor:pointer;white-space:nowrap}.primary{background:var(--teal);color:#fff}.primary:hover{background:#05665e}.secondary{background:#fff;border-color:#d6e1e2;color:#38575f}.secondary:hover{background:#f3f7f6}.button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #64b8ab;outline-offset:3px}.camera-buttons{display:flex;gap:8px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}.camera-card{overflow:hidden}.camera-heading{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;font-size:13px;font-weight:650}.muted{color:var(--muted);font-weight:400;font-size:12px}.stage{aspect-ratio:4/3;background:#102b33;position:relative;overflow:hidden}.stage video,.stage #overlay{position:absolute;width:100%;height:100%;object-fit:contain;inset:0}.stage.mirrored video,.stage.mirrored #overlay{transform:scaleX(-1)}#overlay{pointer-events:none}.placeholder{position:absolute;inset:0;display:flex;justify-content:center;align-items:center;flex-direction:column;gap:6px;color:#a5bdc3;font-size:13px}.placeholder[hidden]{display:none}.placeholder strong{color:#e2edee;font-weight:550}.camera-symbol{font-size:42px;color:#74a198;margin-bottom:6px}.preview-options{display:flex;flex-wrap:wrap;gap:18px;padding:15px 20px 0;font-size:12px;color:#425d64}.preview-options label{display:flex;gap:6px;align-items:center;cursor:pointer}.preview-options input{accent-color:var(--teal)}.helper{color:var(--muted);font-size:12px;padding:0 20px;margin:12px 0 18px}.result-card{padding:24px}.letter{display:block;text-align:center;font-size:112px;line-height:1.2;letter-spacing:-5px;font-weight:650;padding-top:12px;color:var(--teal);font-variant-numeric:tabular-nums}.prediction-state{text-align:center;color:var(--muted);font-size:12px;margin:4px 0 26px}.score-heading{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.score-heading strong{font-size:13px;color:var(--ink)}.score-track{height:6px;background:#e8eeee;border-radius:10px;overflow:hidden;margin-top:10px}#score-fill{height:100%;width:0;background:var(--teal);transition:width .15s}.score-note{font-size:10px;color:var(--muted);margin:9px 0 24px}.metrics{margin:0;padding:0}.metrics div{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid #edf1f1;font-size:12px}.metrics dt{color:var(--muted)}.metrics dd{font-weight:650;margin:0;font-variant-numeric:tabular-nums}.status{font-size:12px;padding:12px;background:#f2f7f6;border-radius:8px;color:#47616a;margin:18px 0 0;overflow-wrap:anywhere}.status.error{background:#fff0ee;color:var(--red)}footer{color:var(--muted);font-size:11px;margin:22px 0}footer p{margin:4px 0}@media(max-width:950px){.controls{flex-wrap:wrap}.camera-buttons{margin-left:auto}.workspace{grid-template-columns:minmax(0,1fr) 260px}.result-card{padding:20px}}@media(max-width:720px){.shell{padding:24px 16px}.page-heading{align-items:start;flex-direction:column;gap:12px}.controls{gap:10px}.controls .api-field{flex-basis:calc(100% - 150px)}.camera-buttons{margin-left:0}.workspace{grid-template-columns:1fr}.result-card{display:block}.letter{font-size:94px}.prediction-state{margin-bottom:18px}}
.stage #processed-frame{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;display:none}.stage.synced video{visibility:hidden}.stage.synced #processed-frame{display:block}.stage.mirrored #processed-frame{transform:scaleX(-1)}