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.camera-container{background:var(--color-ink);width:100%;height:100%;color:var(--color-paper);border-radius:0}.camera-workbench .camera-video,.camera-workbench .camera-canvas{object-fit:cover;width:100%;height:100%;transform:scaleX(-1)}.camera-workbench .camera-canvas{pointer-events:none;position:absolute;inset:0}.camera-container[data-feedback=success]:after,.camera-container[data-feedback=error]:after{content:"";pointer-events:none;border:var(--rule-bold) solid var(--color-accent);animation:feedback-fade var(--dur-slow) var(--ease-out) forwards;position:absolute;inset:0}.camera-container[data-feedback=error]:after{border-color:var(--color-error)}@keyframes feedback-fade{0%{opacity:1}to{opacity:0}}.camera-workbench .camera-placeholder{padding:var(--space-xl);background:var(--color-ink);color:var(--color-paper);place-items:center;display:grid;position:absolute;inset:0}.camera-placeholder-copy{text-align:center;max-width:24rem}.camera-crosshair{color:var(--color-accent);font-family:var(--font-mono);font-size:var(--text-display-s);margin-block-end:var(--space-sm);font-weight:300;line-height:.8;display:block}.camera-placeholder-copy strong{color:var(--color-paper);font-family:var(--font-display);font-size:var(--text-xl);line-height:1;display:block}.camera-placeholder-copy p{color:var(--color-muted);font-size:var(--text-sm);margin-block-start:var(--space-sm)}.tracking-chip{z-index:8;align-items:center;gap:var(--space-xs);min-height:2.25rem;padding-inline:var(--space-sm);background:var(--color-ink);color:var(--color-paper-2);border:var(--rule-thin) solid var(--color-rule-light);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:var(--text-xs);display:flex;position:absolute;inset-block-start:var(--space-md);inset-inline-end:var(--space-md)}.tracking-chip span{background:var(--color-error);border-radius:50%;width:.45rem;height:.45rem}.tracking-chip[data-ready=true] span{background:var(--color-accent)}.tracking-error{inset-inline:var(--space-md);z-index:9;padding:var(--space-sm);background:var(--color-error);color:var(--color-error-ink);border-radius:var(--radius-sm);font-size:var(--text-sm);flex-direction:column;display:flex;position:absolute;inset-block-end:var(--space-md)}.score-overlay{z-index:7;align-items:flex-end;gap:var(--space-md);min-width:13rem;padding:var(--space-sm) var(--space-md);background:var(--color-ink);color:var(--color-paper);border:var(--rule-thin) solid 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var(--text-xs));text-transform:uppercase;grid-template-columns:repeat(3,minmax(0,1fr));margin-block-start:var(--space-sm);display:grid}.stage-caption span:nth-child(2){text-align:center}.stage-caption span:last-child{text-align:end}.control-dock{min-width:0;padding:var(--space-lg) var(--space-md) max(var(--space-xl), env(safe-area-inset-bottom));background:var(--color-paper);color:var(--color-ink)}.dock-intro{border-block-end:var(--rule-thin) solid var(--color-ink-3);padding-block-end:var(--space-lg)}.dock-status{color:var(--color-ink-3);font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase}.dock-intro p{color:var(--color-ink);font-size:var(--text-lg);margin-block-start:var(--space-sm);font-weight:650;line-height:1.25}.exercise-picker{margin-block-start:var(--space-lg)}.exercise-picker h2,.instruction-card h2{color:var(--color-ink);font-family:var(--font-display);font-size:var(--text-body);letter-spacing:-.025em;font-style:normal}.exercise-list{gap:var(--space-xs);grid-template-columns:repeat(3,minmax(0,1fr));margin-block-start:var(--space-sm);display:grid}.exercise-option{min-width:0;min-height:5.5rem;padding:var(--space-sm);text-align:start;background:var(--color-paper);color:var(--color-ink);border:var(--rule-thin) solid var(--color-ink-3);border-radius:var(--radius-sm);transition:transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);flex-direction:column;justify-content:space-between;align-items:flex-start;display:flex}.exercise-option:active{transform:translateY(1px)}.exercise-option:disabled{opacity:.5;cursor:not-allowed}.exercise-option-icon{color:var(--color-ink);font-family:var(--font-mono);font-size:var(--text-sm);font-weight:800}.exercise-option-copy{min-width:0}.exercise-option-copy strong{max-width:100%;color:inherit;font-size:var(--text-xs);text-overflow:ellipsis;white-space:nowrap;display:block;overflow:clip}.exercise-option-copy small{color:var(--color-muted);font-family:var(--font-mono);margin-block-start:var(--space-2xs);font-size:.62rem;display:none}.instruction-card{padding-block:var(--space-md);gap:var(--space-sm);background:var(--color-paper);color:var(--color-ink);border-block:var(--rule-thin) solid var(--color-paper-2);border-inline:0;border-radius:0;grid-template-columns:auto minmax(0,1fr);align-items:start;margin-block-start:var(--space-lg);display:grid}.instruction-number{background:var(--color-accent);min-width:2.5rem;min-height:2.5rem;color:var(--color-accent-ink);font-family:var(--font-mono);font-size:var(--text-xs);place-items:center;font-weight:800;display:grid}.instruction-card p{color:var(--color-ink-3);font-size:var(--text-sm);margin-block-start:var(--space-xs);line-height:1.45}.session-controls{gap:var(--space-md);flex-direction:column;margin-block-start:var(--space-lg);display:flex}.level-rail{border:var(--rule-thin) solid var(--color-ink-3);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.level-rail>div{min-width:0;padding:var(--space-xs);align-items:center;gap:var(--space-xs);color:var(--color-ink-3);border-inline-end:var(--rule-thin) solid var(--color-ink-3);display:flex}.level-rail>div:last-child{border-inline-end:0}.level-rail>div[data-active=true]{background:var(--color-accent);color:var(--color-accent-ink)}.level-rail span{font-family:var(--font-display);font-size:var(--text-lg)}.level-rail small{font-family:var(--font-mono);text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap;font-size:.61rem;overflow:clip}.calibration-panel,.live-control-row{padding:var(--space-sm);background:var(--color-paper-2);color:var(--color-ink)}.calibration-copy,.live-control-row{justify-content:space-between;align-items:center;gap:var(--space-md);display:flex}.calibration-copy strong,.calibration-copy span,.live-control-row p{color:var(--color-ink);font-family:var(--font-mono);font-size:var(--text-xs)}.linear-meter,.metric-track{background:var(--color-muted);height:.35rem;margin-block-start:var(--space-xs);overflow:clip}.linear-meter span,.metric-track i{transform-origin:0;background:var(--color-accent);width:100%;height:100%;transition:transform var(--dur-base) var(--ease-out);display:block}.remaining-time{align-items:baseline;gap:var(--space-2xs);white-space:nowrap;display:inline-flex}.remaining-time strong{color:var(--color-ink);font-family:var(--font-display);font-size:var(--text-xl)}.remaining-time span{color:var(--color-ink-3);font-family:var(--font-mono);font-size:var(--text-xs)}.live-control-row p{text-align:end}.action-row,.result-actions{gap:var(--space-xs);display:flex}.action-button{min-height:3rem;padding-inline:var(--space-md);border:var(--rule-thin) solid var(--color-ink);border-radius:var(--radius-sm);font-size:var(--text-sm);white-space:nowrap;transition:transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);flex:1;font-weight:800}.action-button-primary{background:var(--color-accent);color:var(--color-accent-ink)}.action-button:active{transform:translateY(1px)}.action-button:disabled{opacity:.5;cursor:not-allowed}.action-button[data-state=loading]{background:var(--color-paper-2);color:var(--color-ink-3)}.action-button[data-state=error]{background:var(--color-error);color:var(--color-error-ink)}.action-button[data-state=success]{background:var(--color-accent);color:var(--color-accent-ink)}.control-error{color:var(--color-error-ink);background:var(--color-error);padding:var(--space-xs);font-size:var(--text-xs)}.control-dock .privacy-note{background:var(--color-paper);color:var(--color-ink-3);font-family:var(--font-mono);font-size:var(--text-xs);border:0;margin-block-start:var(--space-lg);padding:0}.result-dialog{background:var(--color-paper);width:min(100% - 2rem,36rem);max-height:min(90dvh,48rem);color:var(--color-ink);border:var(--rule-bold) solid var(--color-ink);border-radius:var(--radius-md);box-shadow:0 2rem 6rem var(--color-shadow);margin:auto;padding:0;position:fixed;inset:0;overflow:auto}.result-dialog::backdrop{background:var(--color-overlay);-webkit-backdrop-filter:blur(.35rem);backdrop-filter:blur(.35rem)}.result-sheet{padding:var(--space-lg)}.result-topline,.result-footnote{justify-content:space-between;align-items:center;gap:var(--space-sm);color:var(--color-ink-3);font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase;display:flex}.result-score-block{margin-block:var(--space-lg);padding-block:var(--space-md);border-block:var(--rule-thin) solid var(--color-ink-3);position:relative}.result-score-block p{color:var(--color-ink-3);font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase}.result-score-block strong{color:var(--color-ink);font-family:var(--font-display);font-size:var(--text-display);letter-spacing:-.08em;font-variant-numeric:tabular-nums;line-height:.9}.result-score-block>span{color:var(--color-ink-3);font-family:var(--font-mono);font-size:var(--text-lg)}.result-metrics{gap:var(--space-sm);display:grid}.result-metrics>div{gap:var(--space-sm);color:var(--color-ink);font-family:var(--font-mono);font-size:var(--text-xs);grid-template-columns:5rem minmax(0,1fr) 2rem;align-items:center;display:grid}.metric-track{background:var(--color-muted);margin-block-start:0}.result-footnote{margin-block:var(--space-lg);padding-block:var(--space-sm);border-block:var(--rule-thin) solid var(--color-paper-2);flex-wrap:wrap}@media (hover:hover) and (pointer:fine){.header-action:hover:not(:disabled),.locale-switch button:hover:not(:disabled),.about-close:hover:not(:disabled){background:var(--color-paper);color:var(--color-ink)}.exercise-option:hover:not(:disabled),.action-button:hover:not(:disabled){transform:translateY(-1px)}.exercise-option:hover:not(:disabled){background:var(--color-paper-2);color:var(--color-ink)}.exercise-option[data-selected=true]:hover:not(:disabled){background:var(--color-ink-3);color:var(--color-paper)}.action-button-primary:hover:not(:disabled){background:var(--color-accent-strong)}.action-button-quiet:hover:not(:disabled){background:var(--color-paper-2)}.action-button-stop:hover:not(:disabled){background:var(--color-ink-3)}}@media (min-width:40rem){.challenge-header{padding-inline:var(--space-lg)}.brand-word{display:inline}.header-proof{display:flex}.camera-stage{padding:var(--space-lg)}.stage-heading{flex-direction:row;justify-content:space-between;align-items:flex-end}.challenge-code{align-self:flex-end}.score-secondary{display:flex}.control-dock{padding-inline:var(--space-lg)}.exercise-option-copy small{display:block}.result-sheet,.about-sheet{padding:var(--space-xl)}.about-points section{grid-template-columns:minmax(0,.42fr) minmax(0,1fr)}}@media (min-width:60rem){.challenge-workbench{grid-template-columns:minmax(0,1fr) minmax(21rem,27rem);min-height:calc(100dvh - 4rem);overflow:visible}.camera-stage{border-block-end:0;border-inline-end:var(--rule-thin) solid var(--color-rule);flex-direction:column;min-height:0;display:flex}.stage-heading{flex:none}.camera-workbench{aspect-ratio:16/9;flex:none;min-height:0}.control-dock{padding-block:var(--space-xl);overflow-y:visible}}@media (min-width:90rem){.challenge-workbench{grid-template-columns:minmax(0,1fr) 30rem}.camera-stage{padding:var(--space-xl)}.control-dock{padding-inline:var(--space-xl)}}.camera-stage[data-camera-active=true]{padding-block-end:max(var(--space-2xl), calc(var(--space-xl) + env(safe-area-inset-bottom)))}@media (min-width:60rem){.camera-stage[data-camera-active=true]{padding-block-end:max(var(--space-xl), calc(var(--space-lg) + env(safe-area-inset-bottom)))}.camera-stage[data-camera-active=true] .camera-video,.camera-stage[data-camera-active=true] .camera-canvas{object-fit:contain}}@media (pointer:coarse){.exercise-option,.action-button,.brand-lockup{min-height:3rem}}.challenge-shell{background:var(--color-ink);font-family:var(--font-body)}.challenge-header{flex-wrap:nowrap;min-height:5.5rem;padding:1rem 2rem}.brand-lockup{min-height:auto}.brand-mark,.brand-word{display:none}.app-header-navigation{justify-content:flex-end;align-items:center;gap:1.5rem;display:flex}.app-header-navigation>a{color:var(--color-paper-2);font-size:.875rem;font-weight:700}.app-header-navigation>a:hover{color:var(--color-accent)}.header-action,.locale-switch button,.about-close{border-color:var(--color-rule);font-family:var(--font-body);border-radius:.5rem;font-size:.75rem}.locale-switch button+button{border-inline-start:var(--rule-thin) solid var(--color-rule)}.locale-switch{gap:.25rem}.camera-stage{background:var(--color-ink);border-color:var(--color-rule);padding:clamp(1.5rem,3vw,3rem)}.daily-label,.challenge-code,.stage-caption,.tracking-chip,.score-primary span,.score-secondary{font-family:var(--font-body);letter-spacing:.07em}.stage-heading h1,.camera-placeholder-copy strong,.score-primary strong,.level-rail span,.remaining-time strong{font-family:var(--font-body);letter-spacing:-.05em;font-weight:700}.stage-heading h1{max-width:13ch;font-size:clamp(2rem,4vw,3.25rem);line-height:1.08}.challenge-code{border-color:var(--color-rule);border-radius:.5rem;min-height:2.5rem;padding-inline:1rem}.camera-workbench{border-color:var(--color-rule);box-shadow:0 1.5rem 4rem var(--color-shadow);border-radius:1rem}.camera-workbench:before,.camera-workbench:after{display:none}.score-overlay,.tracking-chip{border-color:var(--color-rule);background:var(--color-ink);border-radius:.5rem}@supports (color:color-mix(in lab, red, red)){.score-overlay,.tracking-chip{background:color-mix(in oklab, var(--color-ink) 88%, transparent)}}.score-overlay,.tracking-chip{-webkit-backdrop-filter:blur(.75rem);backdrop-filter:blur(.75rem)}.control-dock{background:var(--color-ink-2);color:var(--color-paper);padding:clamp(1.5rem,3vw,3rem)}.dock-intro{border-color:var(--color-rule)}.dock-status{color:var(--color-muted);font-family:var(--font-body);letter-spacing:.07em}.dock-intro p{color:var(--color-paper);font-size:1.125rem;font-weight:700;line-height:1.45}.exercise-picker h2,.instruction-card h2{color:var(--color-paper);font-family:var(--font-body);font-weight:700}.exercise-option{background:var(--color-ink-3);min-height:6rem;color:var(--color-paper);border-color:var(--color-rule);border-radius:.75rem}.exercise-option[data-selected=true]{background:var(--color-accent);color:var(--color-accent-ink);border-color:var(--color-accent)}.exercise-option-icon{color:var(--color-paper);font-family:var(--font-body)}.exercise-option[data-selected=true] .exercise-option-icon{color:var(--color-accent-ink)}.exercise-option-copy small{color:var(--color-muted);font-family:var(--font-body)}.exercise-option[data-selected=true] .exercise-option-copy small{color:var(--color-accent-ink)}@supports (color:color-mix(in lab, red, red)){.exercise-option[data-selected=true] .exercise-option-copy small{color:color-mix(in oklab, var(--color-accent-ink) 68%, transparent)}}.instruction-card{background:var(--color-ink-3);color:var(--color-paper);border:var(--rule-thin) solid var(--color-rule);border-radius:.75rem;padding:1rem}.instruction-number{font-family:var(--font-body);border-radius:.5rem}.instruction-card p{color:var(--color-paper-2)}.level-rail{border-color:var(--color-rule);border-radius:.5rem;overflow:hidden}.level-rail>div{color:var(--color-muted);border-color:var(--color-rule)}.level-rail>div[data-done=true]{background:var(--color-ink);color:var(--color-paper-2)}.level-rail small{font-family:var(--font-body)}.calibration-panel,.live-control-row{background:var(--color-ink-3);color:var(--color-paper);border-radius:.75rem}.calibration-copy strong,.calibration-copy span,.live-control-row p,.remaining-time strong{color:var(--color-paper);font-family:var(--font-body)}.remaining-time span{color:var(--color-muted);font-family:var(--font-body)}.action-button{min-height:3.5rem;font-family:var(--font-body);border:0;border-radius:.5rem;font-size:.875rem}.action-button-quiet{background:var(--color-ink-3);color:var(--color-paper)}.action-button-stop{background:var(--color-paper-2);color:var(--color-ink)}.control-dock .privacy-note{color:var(--color-muted);font-family:var(--font-body);background:0 0;line-height:1.6}.about-dialog,.result-dialog{background:var(--color-ink-2);color:var(--color-paper);border-color:var(--color-rule)}.about-topline,.result-topline,.result-footnote{color:var(--color-muted);font-family:var(--font-body)}.about-sheet h2,.about-points h3,.result-score-block strong{color:var(--color-paper);font-family:var(--font-body);font-weight:700}.about-intro,.about-points p{color:var(--color-paper-2)}.about-points section,.result-score-block{border-color:var(--color-rule)}.about-close{border-color:var(--color-rule);background:var(--color-ink-3);color:var(--color-paper)}@media (hover:hover) and (pointer:fine){.exercise-option:hover:not(:disabled){background:var(--color-ink-2);color:var(--color-paper);border-color:var(--color-accent)}.exercise-option[data-selected=true]:hover:not(:disabled){background:var(--color-accent-strong);color:var(--color-accent-ink)}.action-button-quiet:hover:not(:disabled){background:var(--color-rule)}.action-button-stop:hover:not(:disabled){background:var(--color-paper)}}@media (max-width:39.99rem){.challenge-header{flex-wrap:wrap;padding:1rem}.app-header-navigation{justify-content:space-between;width:100%}.stage-heading h1{font-size:2.1rem}}@media 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slide-up{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.results-header{margin-bottom:20px}.results-icon{font-size:2.5rem}.results-title{letter-spacing:-.02em;margin-top:8px;font-size:1.4rem;font-weight:800}.results-exercise{color:var(--text-muted);margin-top:4px;font-size:.85rem}.results-score{color:var(--success);margin-bottom:24px;font-size:1.1rem;font-weight:700}.results-stats{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:28px;display:grid}.result-stat{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);flex-direction:column;align-items:center;gap:4px;padding:14px 12px;display:flex}.result-stat-number{font-variant-numeric:tabular-nums;color:var(--text);font-size:1.8rem;font-weight:800}.result-errors{color:var(--error)}.result-stat-label{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-size:.7rem;font-weight:600}.results-actions{gap:10px;display:flex}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}@media (max-width:900px){.camera-section{aspect-ratio:4/3;height:auto}.controls-section{border-left:none;border-top:1px solid var(--border);padding:20px 16px}.app-main{height:auto}.timer-value{font-size:2rem}.stats-overlay{gap:8px;padding:8px 12px;top:8px;left:8px}.stat-number{font-size:1.2rem}}