.gs-topbar{--gs-answer-min-h:3.5rem;position:sticky;top:0;z-index:20;display:grid;grid-template-columns:minmax(2.75rem,auto) 1fr minmax(2.75rem,auto);align-items:center;gap:var(--space-2,.5rem);margin:0 calc(-1 * var(--gs-pad-x, 1.25rem));padding:calc(.45rem + var(--safe-top-inset, env(safe-area-inset-top, 0px))) var(--gs-pad-x,1.25rem) .5rem;background:color-mix(in srgb,var(--color-bg) 94%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid color-mix(in srgb,var(--color-border) 70%,transparent)}.gs-topbar-back{display:inline-flex;align-items:center;justify-content:center;min-width:var(--touch-min);min-height:var(--touch-min);padding:0;border:none;border-radius:var(--radius-button);background:transparent;color:var(--color-ink);font-size:1.4rem;line-height:1;-webkit-tap-highlight-color:transparent;touch-action:manipulation;transition:background var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard)}.gs-topbar-back:hover{background:color-mix(in srgb,var(--color-ink) 5%,transparent);color:var(--color-primary)}.gs-topbar-back:active{background:color-mix(in srgb,var(--color-ink) 8%,transparent)}.gs-topbar-back-icon{display:block;flex-shrink:0}.gs-topbar-title{margin:0;font-family:var(--font-display);font-size:.98rem;font-weight:600;letter-spacing:-.02em;text-align:center;line-height:1.2;color:var(--color-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.gs-topbar-end{display:inline-flex;align-items:center;justify-content:flex-end;gap:var(--space-2,.5rem);min-height:var(--touch-min)}.gs-topbar-score{font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:700;font-size:.95rem;color:var(--color-ink);white-space:nowrap}.gs-topbar-score-unit{margin-left:.2rem;font-family:var(--font-ui);font-size:var(--font-label,.6875rem);font-weight:600;letter-spacing:var(--tracking-label,.08em);text-transform:uppercase;color:var(--color-muted)}.gs-topbar-timer{font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:700;font-size:.95rem;color:var(--color-ink);white-space:nowrap;transition:color var(--duration-fast,.12s) var(--ease-standard,ease)}.gs-topbar-timer-unit{margin-left:.2rem;font-family:var(--font-ui);font-size:var(--font-label,.6875rem);font-weight:600;letter-spacing:var(--tracking-label,.08em);text-transform:uppercase;color:var(--color-muted)}.gs-topbar-timer--urgent{color:var(--color-error)}.gs-topbar-timer--urgent .gs-topbar-timer-unit{color:color-mix(in srgb,var(--color-error) 70%,var(--color-muted))}.gs-stepper{display:flex;flex-direction:column;gap:.35rem;margin:.4rem 0 .55rem;flex:0 0 auto}.gs-stepper-label{margin:0;font-family:var(--font-ui);font-size:var(--font-meta);font-weight:550;letter-spacing:var(--tracking-meta);line-height:var(--lh-meta,1.4);color:var(--color-muted);text-align:center}.gs-stepper-track{display:flex;gap:.28rem;list-style:none;margin:0;padding:0}.gs-stepper-seg{position:relative;flex:1 1;min-height:.28rem;border-radius:999px;background:color-mix(in srgb,var(--color-paper-deep) 88%,var(--color-border));border:none}.gs-stepper-seg--done{background:color-mix(in srgb,var(--color-primary) 42%,var(--color-paper-deep))}.gs-stepper-seg--current{background:var(--color-primary)}.gs-stepper-seg--upcoming{background:color-mix(in srgb,var(--color-paper-deep) 88%,var(--color-border));opacity:.85}.gs-stepper-seg-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.gs-stage{flex-direction:column;gap:var(--space-2,.5rem);margin:0;text-align:center}.gs-stage,.gs-stage-asset{display:flex;flex:0 0 auto;align-items:center;width:100%}.gs-stage-asset{justify-content:center;max-width:14rem;min-height:0}.gs-stage-asset>*{max-width:100%}.gs-stage-focus{font-family:var(--font-display);font-size:clamp(1.35rem,5.2vw,1.75rem);font-weight:600;letter-spacing:var(--tracking-hero);line-height:var(--lh-hero)}.gs-stage-focus,.gs-stage-prompt{margin:0;color:var(--color-ink);max-width:22rem}.gs-stage-prompt{font-family:var(--font-ui);font-size:1.08rem;font-weight:650;line-height:1.35;letter-spacing:-.01em}.gs-stage-focus+.gs-stage-prompt{font-size:1.02rem;font-weight:600;color:color-mix(in srgb,var(--color-ink) 88%,var(--color-muted))}.gs-stage-body{flex:0 0 auto;width:100%}.answer-btn-grid,.gs-answers{display:grid;grid-template-columns:1fr;flex:0 0 auto;align-self:stretch;gap:var(--touch-gap,var(--space-2,.5rem));width:100%;margin:.4rem 0 0;padding:0}@media (min-width:420px){.answer-btn-grid,.gs-answers{grid-template-columns:1fr 1fr;gap:.55rem}}.gs-answer{--gs-answer-min-h:3.5rem;position:relative;display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;min-height:var(--gs-answer-min-h);padding:.85rem 1.05rem;border:1.5px solid color-mix(in srgb,var(--color-border) 88%,var(--color-ink));border-radius:var(--radius-button);background:var(--color-surface);color:var(--color-ink);font-family:var(--font-ui);font-size:1.02rem;font-weight:600;line-height:1.25;text-align:center;box-shadow:var(--shadow-card);transition:background var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),transform var(--duration-fast) var(--ease-standard),opacity var(--duration-fast) var(--ease-standard),box-shadow var(--duration-fast) var(--ease-standard);-webkit-tap-highlight-color:transparent;touch-action:manipulation}.gs-answer:active:not(:disabled):not(.gs-answer--disabled):not(.gs-answer--correct):not(.gs-answer--incorrect):not(.gs-answer--pressed){background:var(--color-paper-deep);border-color:color-mix(in srgb,var(--color-ink) 28%,var(--color-border));transform:scale(.985);box-shadow:none}.gs-answer--pressed{background:color-mix(in srgb,var(--color-ink) 7%,var(--color-surface));border-color:var(--color-ink);border-width:2px;color:var(--color-ink);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--color-ink) 14%,transparent);transform:none}.gs-answer--correct{background:var(--color-success-bg);border-color:var(--color-success);border-width:2px;color:var(--color-ink);box-shadow:0 0 0 1px color-mix(in srgb,var(--color-success) 28%,transparent);animation:gs-answer-ok var(--duration-stamp) var(--ease-standard) both}.gs-answer--incorrect{background:var(--color-error-bg);border-color:var(--color-error);border-width:2px;color:var(--color-ink);animation:gs-answer-bad var(--duration-stamp) var(--ease-standard) both}.gs-answer--disabled,.gs-answer:disabled{opacity:1;color:color-mix(in srgb,var(--color-ink) 48%,var(--color-muted));background:color-mix(in srgb,var(--color-paper-deep) 55%,var(--color-surface));border-color:color-mix(in srgb,var(--color-border) 90%,transparent);box-shadow:none;cursor:not-allowed;transform:none;animation:none}.gs-answer--correct.gs-answer--disabled,.gs-answer--correct:disabled,.gs-answer--incorrect.gs-answer--disabled,.gs-answer--incorrect:disabled{color:var(--color-ink);opacity:1}.gs-answer-cue{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:1.4rem;height:1.4rem;border-radius:50%;font-size:.72rem;font-weight:800;line-height:1;animation:gs-answer-cue-in var(--duration-fast) var(--ease-standard) both}.gs-answer--correct .gs-answer-cue{background:var(--color-success);color:var(--color-surface)}.gs-answer--incorrect .gs-answer-cue{background:var(--color-error);color:var(--color-surface)}.gs-answer-label{flex:1 1;min-width:0}@keyframes gs-answer-ok{0%{transform:scale(.985)}55%{transform:scale(1.012)}to{transform:scale(1)}}@keyframes gs-answer-bad{0%{transform:translateZ(0)}25%{transform:translate3d(-2px,0,0)}55%{transform:translate3d(2px,0,0)}to{transform:translateZ(0)}}@keyframes gs-answer-cue-in{0%{opacity:0;transform:scale(.7)}to{opacity:1;transform:scale(1)}}@media (prefers-reduced-motion:reduce){.gs-answer--correct,.gs-answer--incorrect,.gs-answer-cue{animation:none}}.gs-outcome-header{display:flex;flex-direction:column;align-items:center;gap:.15rem;width:100%;margin:0;text-align:center}.gs-outcome-header .end-outcome{margin:0}.gs-score-hero{display:flex;flex-direction:column;align-items:center;gap:.28rem;text-align:center;margin:.35rem 0 .55rem}.gs-score-hero-value{margin:0;font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:var(--font-display-xl);font-weight:700;line-height:1;color:var(--color-primary);letter-spacing:-.03em}.gs-score-hero-caption{margin:0;font-family:var(--font-display);font-size:1.05rem;font-weight:600;color:var(--color-ink)}.gs-score-hero-context{display:flex;flex-direction:column;align-items:center;gap:.15rem;margin-top:.1rem}.gs-score-hero-meta{margin:0;font-size:var(--font-meta);font-weight:500;letter-spacing:var(--tracking-meta);color:var(--color-muted);line-height:1.3}.gs-score-hero-meta strong{font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--color-ink);font-weight:700}.gs-score-hero-delta--up{color:var(--color-success)}.gs-score-hero-delta--down{color:var(--color-error)}.gs-stat-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.3rem .12rem;margin:0 0 .55rem;padding:0;list-style:none}.gs-stat-item{display:inline-flex;align-items:center;gap:.15rem}.gs-stat-chip{display:inline-flex;align-items:baseline;gap:.28rem;padding:.28rem .55rem;border-radius:6px;background:color-mix(in srgb,var(--color-paper-deep) 80%,var(--color-surface));border:1px solid color-mix(in srgb,var(--color-border) 85%,transparent);font-size:var(--font-meta);line-height:1.3;color:var(--color-muted)}.gs-stat-chip-value{font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:700;color:var(--color-ink)}.gs-stat-chip-label{font-weight:500}.gs-stat-sep{color:var(--color-muted);font-size:.75rem;padding:0 .1rem;-webkit-user-select:none;user-select:none}.gs-reward{position:relative;display:flex;flex-direction:column;align-items:center;gap:.55rem;width:100%;margin:.5rem 0 .75rem;padding:1rem 1.1rem 1.05rem;text-align:center;background:linear-gradient(168deg,color-mix(in srgb,var(--color-paper-deep,#ebe4d2) 70%,var(--color-surface)) 0,var(--color-surface) 55%,color-mix(in srgb,var(--color-stamp) 5%,var(--color-surface)) 100%);border:1.5px solid color-mix(in srgb,var(--color-stamp) 38%,var(--color-border));border-radius:2px;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--color-stamp) 10%,transparent),var(--shadow-stamp,0 1px 0 color-mix(in srgb,var(--color-stamp) 18%,transparent));animation:gs-reward-presence var(--duration-stamp) var(--ease-standard) both}.gs-reward--success{border-color:color-mix(in srgb,var(--color-stamp) 52%,var(--color-border))}.gs-reward--encourage{border-color:color-mix(in srgb,var(--color-stamp) 28%,var(--color-border));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--color-stamp) 6%,transparent)}.gs-reward--neutral{border-color:color-mix(in srgb,var(--color-border) 88%,var(--color-stamp));background:linear-gradient(168deg,color-mix(in srgb,var(--color-paper-deep,#ebe4d2) 45%,var(--color-surface)) 0,var(--color-surface) 100%);box-shadow:none}.gs-reward-body{display:flex;flex-direction:column;align-items:center;gap:.3rem;width:100%}.gs-reward-stamp{display:flex;align-items:center;justify-content:center;margin-bottom:.1rem}.gs-reward-stamp-mark{width:3.65rem;height:3.65rem;color:var(--color-stamp);transform:rotate(-8deg);animation:gs-reward-stamp-in .42s var(--ease-standard,cubic-bezier(.2,.8,.2,1)) both;will-change:transform,opacity}.gs-reward-stamp-mark,.gs-reward-stamp-ring{display:inline-flex;align-items:center;justify-content:center}.gs-reward-stamp-ring{width:100%;height:100%;padding:.35rem;border:2.5px double;border-radius:50%/46%;font-family:var(--font-display);font-size:.58rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;line-height:1.1;background:color-mix(in srgb,var(--color-stamp) 9%,var(--color-surface));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--color-stamp) 22%,transparent),0 0 0 1px color-mix(in srgb,var(--color-reward,#c99a3b) 28%,transparent)}.gs-reward--encourage .gs-reward-stamp-ring{box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--color-stamp) 18%,transparent)}.gs-reward--neutral .gs-reward-stamp-ring{opacity:.85;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--color-stamp) 14%,transparent)}.gs-reward-eyebrow{margin:0;font-size:var(--font-label);font-weight:700;letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--color-stamp)}.gs-reward--neutral .gs-reward-eyebrow{color:color-mix(in srgb,var(--color-stamp) 55%,var(--color-muted))}.gs-reward-title{margin:0;font-family:var(--font-display);font-size:1.15rem;font-weight:600;letter-spacing:-.02em;color:var(--color-ink)}.gs-reward-detail{margin:0;max-width:22rem;font-size:.9rem;line-height:1.4;color:var(--color-muted)}.gs-reward--embedded{margin:0;padding:0;border:none;border-radius:0;animation:none}.gs-reward--embedded,.gs-reward--embedded.gs-reward--encourage,.gs-reward--embedded.gs-reward--neutral{background:transparent;box-shadow:none}@keyframes gs-reward-stamp-in{0%{opacity:0;transform:scale(1.45) rotate(-16deg)}62%{opacity:1;transform:scale(.96) rotate(-7deg)}to{opacity:1;transform:scale(1) rotate(-8deg)}}@keyframes gs-reward-presence{0%{opacity:0;transform:translate3d(0,8px,0)}to{opacity:1;transform:translateZ(0)}}@media (prefers-reduced-motion:reduce){.gs-reward{animation:none}.gs-reward-stamp-mark{animation:gs-reward-stamp-fade .16s ease both;transform:rotate(-8deg)}@keyframes gs-reward-stamp-fade{0%{opacity:0}to{opacity:1}}}.gs-primary-bar,.gs-secondary{display:grid;width:100%;margin-top:.55rem}.gs-secondary{gap:.45rem}.end-retry-pulse .gs-primary-btn,.gs-primary-btn.end-retry-pulse{animation:gs-retry-pulse 2.4s var(--ease-standard,ease) infinite}@keyframes gs-retry-pulse{0%,to{transform:scale(1);box-shadow:0 0 0 0 color-mix(in srgb,var(--color-stamp) 0%,transparent)}50%{transform:scale(1.018);box-shadow:0 0 0 4px color-mix(in srgb,var(--color-stamp) 14%,transparent)}}.game-shell{--gs-pad-x:1.25rem;--gs-answer-min-h:3.5rem;min-height:100dvh;display:flex;flex-direction:column;max-width:var(--max-width);margin:0 auto;padding:1rem 1.25rem 1.5rem}.game-play{padding-bottom:calc(1rem + env(safe-area-inset-bottom))}.game-play-body{flex:1 1;display:flex;flex-direction:column;min-height:0}.game-hud{display:flex;align-items:center;justify-content:center;gap:1rem;margin:.75rem 0 .15rem;min-height:3.25rem}.game-hud--combo{min-height:3.75rem}.game-hud-timer{display:inline-flex;align-items:baseline;gap:.2rem;padding:.35rem .85rem;border-radius:var(--radius-button);background:color-mix(in srgb,var(--color-ink) 6%,var(--color-surface));border:1.5px solid color-mix(in srgb,var(--color-ink) 12%,var(--color-border));font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;line-height:1;color:var(--color-ink);transition:color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),background var(--duration-fast) var(--ease-standard)}.game-hud-timer-value{font-size:clamp(1.75rem,7vw,2.35rem);font-weight:700;letter-spacing:-.03em}.game-hud-timer-unit{font-family:var(--font-ui);font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-muted)}.game-hud-timer--urgent{color:var(--color-error);background:var(--color-error-bg);border-color:color-mix(in srgb,var(--color-error) 45%,var(--color-border))}.game-hud-timer--urgent .game-hud-timer-unit{color:color-mix(in srgb,var(--color-error) 70%,var(--color-muted))}.game-hud-stat{display:inline-flex;flex-direction:column;align-items:center;gap:.1rem;min-width:3.5rem}.game-hud-stat-label{font-size:.65rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-muted)}.game-hud-stat-value{font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:1.35rem;font-weight:700;line-height:1;color:var(--color-ink)}.game-hud-stat--break .game-hud-stat-label{letter-spacing:.04em}.game-hud-stat--break .game-hud-stat-label,.game-hud-stat--break .game-hud-stat-value{color:var(--color-error);animation:hud-combo-break .45s var(--ease-standard) both}.game-hud-combo{display:inline-flex;flex-direction:column;align-items:center;gap:.15rem;padding:.45rem 1.25rem;border-radius:var(--radius-button);background:color-mix(in srgb,var(--color-stamp) 8%,var(--color-surface));border:1.5px solid color-mix(in srgb,var(--color-stamp) 28%,var(--color-border));transition:background var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard)}.game-hud-combo-label{font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--color-stamp)}.game-hud-combo-value{font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:clamp(1.85rem,7vw,2.5rem);font-weight:700;line-height:1;letter-spacing:-.03em;color:var(--color-ink)}.game-hud-combo--break{background:var(--color-error-bg);border-color:color-mix(in srgb,var(--color-error) 45%,var(--color-border))}.game-hud-combo--break .game-hud-combo-label{letter-spacing:.04em}.game-hud-combo--break .game-hud-combo-label,.game-hud-combo--break .game-hud-combo-value{color:var(--color-error);animation:hud-combo-break .45s var(--ease-standard) both}@keyframes 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.5rem;background:color-mix(in srgb,var(--color-bg) 94%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid color-mix(in srgb,var(--color-border) 70%,transparent)}.game-header-brand{display:inline-flex;align-items:center;justify-content:center;min-width:var(--touch-min);min-height:var(--touch-min);padding:0;border:none;background:transparent;color:var(--color-ink);font-family:var(--font-display);font-size:.95rem;font-weight:600;letter-spacing:-.02em;text-transform:lowercase;line-height:1.1;border-radius:var(--radius-button)}.game-header-brand:hover{background:color-mix(in srgb,var(--color-ink) 6%,transparent);color:var(--color-primary)}.game-header-brand:focus-visible{outline:2px solid 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