:root{--surface-page:#0d0e1a;--surface-card:#16182a;--surface-elevated:#1e2140;--primary:#e94560;--primary-hover:#ff6b81;--accent:#00d4aa;--accent-dim:#00d4aa26;--text:#f0f0f5;--text-muted:#8888a0;--text-dim:#555570;--border:#2a2d45;--danger:#e94560;--radius-sm:6px;--radius:10px;--radius-lg:16px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-xxl:48px;--font-body:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:ui-monospace, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background:var(--surface-page);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100dvh}#root{flex-direction:column;max-width:100%;min-height:100dvh;display:flex}.page{max-width:480px;padding:var(--space-lg) var(--space-md);flex:1;width:100%;margin:0 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pulse}.runner-go-btn:active{animation:none;transform:scale(.96)}.runner-active{padding:var(--space-md) var(--space-md) var(--space-lg);flex-direction:column;flex:1;display:flex}.runner-progress{margin-bottom:var(--space-md)}.runner-meta{color:var(--text-dim);margin-bottom:var(--space-xl);justify-content:space-between;font-size:.75rem;display:flex}.runner-exercise-area{justify-content:center;align-items:center;gap:var(--space-md);text-align:center;flex-direction:column;flex:1;display:flex}.runner-illustration{color:var(--text-dim);animation:.8s ease-in-out infinite exerciseBob}.runner-exercise-name{color:var(--text);font-size:1.5rem;font-weight:600}.runner-rep-count{color:var(--primary);font-size:3.5rem;font-weight:800;line-height:1}.runner-rep-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;font-size:.875rem}.runner-next-btn{background:var(--primary);color:#fff;border-radius:var(--radius);cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;width:100%;padding:20px;font-size:1.5rem;font-weight:700;transition:transform .1s,background .15s}.runner-next-btn:active{background:var(--primary-hover);transform:scale(.96)}.runner-done{justify-content:center;align-items:center;gap:var(--space-md);padding:var(--space-lg);text-align:center;flex-direction:column;flex:1;animation:.3s fadeIn;display:flex}.runner-done h2{margin-bottom:0;font-size:2rem}.total-time{color:var(--accent);font-size:2.5rem;font-weight:800;line-height:1}.total-time-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;font-size:.875rem}.runner-done-meta{color:var(--text-muted);margin-bottom:var(--space-lg);font-size:.875rem}.runner-done-actions{gap:var(--space-sm);flex-direction:column;width:100%;display:flex}.feedback-page{animation:.3s fadeIn}.feedback-subtitle{color:var(--text-muted);margin-bottom:var(--space-lg);font-size:.875rem}.feedback-list{gap:var(--space-sm);margin-bottom:var(--space-lg);flex-direction:column;display:flex}.feedback-item{background:var(--surface-card);border:1px solid var(--border);border-radius:var(--radius);padding:var(--space-md)}.feedback-header{margin-bottom:var(--space-sm);justify-content:space-between;align-items:center;display:flex}.feedback-header .exercise-name{font-size:.9375rem;font-weight:600}.ban-toggle{color:var(--text-muted);align-items:center;gap:var(--space-xs);cursor:pointer;font-size:.75rem;display:flex}.ban-toggle input{width:14px;height:14px;accent-color:var(--danger);padding:0}.feedback-controls{gap:var(--space-sm);flex-direction:column;display:flex}.pref-buttons{gap:var(--space-xs);display:flex}.pref-btn{border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;flex:1;padding:8px;font-size:1rem;transition:background .15s,border-color .15s,color .15s,transform .1s}.pref-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.pref-btn:active{transform:scale(.96)}.difficulty-slider{align-items:center;gap:var(--space-sm);display:flex}.slider-label{color:var(--text-muted);white-space:nowrap;font-size:.75rem}.difficulty-slider input[type=range]{accent-color:var(--primary);background:0 0;border:none;flex:1;padding:0}.slider-value{color:var(--text-muted);text-align:right;min-width:28px;font-size:.75rem;font-weight:600}.feedback-actions{gap:var(--space-md);display:flex}.feedback-actions>*{flex:1}@view-transition{navigation:auto}::view-transition-old(root){animation:.15s ease-out both fadeOut}::view-transition-new(root){animation:.2s ease-in both fadeIn}@keyframes fadeOut{to{opacity:0}}