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button{min-width:190px}.exercise-choice-screen{max-width:860px}.segmented-grid,.dose-grid,.summary-grid,.exercise-list{gap:14px;display:grid}.segmented-grid,.dose-grid,.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dosage-card{background:linear-gradient(145deg, #42e58f14, #101714f5), var(--surface);box-shadow:var(--shadow);text-align:center;border:1px solid #42e58f47;border-radius:8px;gap:5px;padding:13px 16px;display:grid}.dosage-card strong{color:var(--accent);font-size:clamp(1.28rem,3vw,1.75rem);line-height:1.1}.dosage-card p,.dosage-card small{color:var(--text-muted);margin:0;font-weight:700;line-height:1.45}.dosage-card p{font-size:.82rem}.dosage-card small{font-size:.75rem}button{min-height:48px;font:inherit;cursor:pointer;border:0;border-radius:8px;padding:12px 18px;font-weight:800}button:focus-visible{outline-offset:3px;outline:3px solid 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solid var(--border);grid-template-columns:42px 1fr;gap:10px 14px;padding:18px;display:grid}.exercise-choice span{aspect-ratio:1;color:#06120b;background:var(--accent);border-radius:50%;grid-row:span 2;place-items:center;width:42px;font-size:1rem;font-weight:900;display:grid}.exercise-choice strong{align-self:end;font-size:1.08rem}.exercise-choice-points{color:var(--text-muted);gap:7px;margin:0;padding-left:18px;font-size:.86rem;font-weight:700;line-height:1.32;display:grid}.exercise-choice-points li::marker{color:var(--accent)}.choice-button.is-selected{color:#06120b;background:var(--accent);border-color:var(--accent)}.exercise-choice.is-selected{border-color:var(--accent);background:#42e58f1f}.wide-button{width:fit-content;min-width:220px}.nav-buttons{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.nav-buttons button{min-width:156px}.stepper{padding:20px}.stepper-row{grid-template-columns:52px 1fr 52px;align-items:center;gap:12px;margin-top:14px;display:grid}.stepper-row strong{font-size:2.2rem}.stepper-row button{width:52px;min-width:52px;padding:0;font-size:1.45rem}.demo-screen{align-content:start;padding-top:16px}.setup-check-screen{align-content:start;gap:22px}.setup-check-copy h2{margin:4px 0 16px}.setup-check-primary-instruction{color:var(--text-strong);margin:0;font-size:1.3rem;font-weight:900}.setup-check-helper{color:var(--text-muted);margin:8px 0 18px;font-weight:800}.setup-check-steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.setup-check-steps li{border:1px solid var(--border);color:var(--text-strong);background:var(--surface);border-radius:8px;padding:12px;font-size:.92rem;font-weight:800;line-height:1.35}.setup-check-layout{grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);align-items:start;gap:18px;display:grid}.setup-check-status{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;gap:12px;padding:20px;display:grid}.setup-check-status h3{color:var(--text-strong);margin:0 0 4px}.setup-status-row{color:var(--text-muted);align-items:center;gap:10px;font-weight:800;display:flex}.setup-status-row span{aspect-ratio:1;background:var(--surface-light);border:1px solid var(--border);border-radius:50%;width:12px}.setup-status-row.is-good{color:var(--text-strong)}.setup-status-row.is-good span{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 5px #42e58f1f}.calibration-message{color:#facc15;background:#facc151f;border:1px solid #facc158c;border-radius:8px;gap:12px;padding:14px;display:grid}.calibration-message p{margin:0;font-weight:800}.camera-panel.calibration-failed{border-color:#facc15a6}.demo-heading{justify-content:space-between;align-items:center;gap:18px;display:flex}.demo-plan{flex-wrap:wrap;gap:10px;display:flex}.demo-plan span{border:1px solid var(--border);color:var(--text-strong);background:var(--surface);border-radius:999px;padding:7px 12px;font-weight:700}.demo-readiness{border-left:3px solid var(--accent);gap:4px;padding:4px 0 4px 14px;display:grid}.demo-readiness p{color:var(--text-strong);margin:0;font-weight:700}.demo-images{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:18px;display:grid}.demo-figure{gap:10px;min-width:0;margin:0;display:grid}.demo-figure figcaption{color:var(--text-strong);margin:0;font-size:1.1rem;font-weight:900}.demo-image,.image-placeholder{border:1px solid var(--border);background:var(--surface);border-radius:8px;width:100%;max-width:100%}.demo-image{object-fit:contain;height:auto;max-height:min(54vh,440px);display:block}.image-placeholder{aspect-ratio:4/3;min-height:180px;color:var(--text-muted);place-items:center;font-weight:800;display:grid}.demo-steps{counter-reset:step;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.demo-steps li{border:1px solid var(--border);background:var(--surface);min-height:88px;color:var(--text-strong);border-radius:8px;padding:16px;font-weight:800}.demo-steps li:before{counter-increment:step;content:counter(step);aspect-ratio:1;color:#06120b;background:var(--accent);border-radius:50%;place-items:center;width:28px;margin-bottom:12px;font-size:.9rem;display:grid}.demo-safety-note{color:#facc15;background:#facc151a;border:1px solid #facc156b;border-radius:8px;margin:0;padding:12px 14px;font-weight:800}.camera-layout{grid-template-columns:minmax(0,1.35fr) minmax(320px,.85fr);align-items:start;gap:18px;width:100%;display:grid}.camera-panel,.tracking-hud{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:8px}.camera-panel{justify-self:center;width:100%;max-width:840px;overflow:hidden}.camera-stage{width:100%;aspect-ratio:var(--camera-aspect-ratio,4 / 3);background:#050806;position:relative}.camera-frame.orientation-warning{border:4px solid #facc15;box-shadow:0 0 24px #facc1573}.camera-video,.landmark-canvas{width:100%;height:100%;position:absolute;inset:0;transform:scaleX(-1)}.camera-video{object-fit:contain}.landmark-canvas{pointer-events:none}.guide-box{pointer-events:none;border:2px dashed #42e58f94;border-radius:8px;position:absolute;inset:8% 16%}.camera-overlay{color:var(--text-strong);background:#060908b8;border:1px solid #ffffff2e;border-radius:999px;padding:7px 11px;font-weight:800;position:absolute;bottom:14px;left:14px}.orientation-warning-banner{z-index:1;color:#facc15;text-align:center;background:#facc1526;border:1px solid #facc15b3;border-radius:8px;padding:10px 12px;font-weight:900;position:absolute;top:14px;left:14px;right:14px}.tracking-hud{gap:18px;padding:22px;display:grid}.hud-topline,.progress-copy{justify-content:space-between;align-items:center;gap:12px;display:flex}.status-dot{aspect-ratio:1;background:var(--accent);border-radius:50%;width:12px;box-shadow:0 0 0 6px #42e58f1f}.hud-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.hud-metric{min-height:86px;padding:13px}.hud-metric strong{overflow-wrap:anywhere;margin-top:6px;line-height:1.2}.hud-metric.is-small{min-height:68px}.hud-metric.is-small strong{color:var(--text-muted);font-size:.92rem}.progress-block{gap:10px;display:grid}.progress-copy{color:var(--text-muted);font-weight:800}.progress-copy strong{color:var(--text-strong)}.progress-track{background:var(--surface-light);border-radius:999px;height:14px;overflow:hidden}.progress-track span{border-radius:inherit;background:var(--accent);height:100%;transition:width .2s;display:block}.distance-readout,.error-message{color:var(--text-muted);margin:0;font-weight:700}.closed-fist-debug{border:1px solid var(--border);background:var(--surface);border-radius:8px;gap:10px;padding:12px;display:grid}.closed-fist-debug-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.error-message{color:#ffb4b4;padding:14px 16px}.hud-actions{justify-content:flex-start}.summary-screen{text-align:center;max-width:980px;margin:0 auto}.summary-metric{padding:18px}.summary-metric strong{margin-top:8px;font-size:1.55rem}.score-report{border:1px solid 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