*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #1a73e8;--primary-dark: #1557b0;--secondary-color: #5f6368;--success-color: #34a853;--error-color: #ea4335;--background: #f8f9fa;--surface: #ffffff;--text-primary: #202124;--text-secondary: #5f6368;--border-color: #dadce0;--shadow: 0 1px 3px rgba(0, 0, 0, .12), 0 1px 2px rgba(0, 0, 0, .24);--shadow-lg: 0 3px 6px rgba(0, 0, 0, .16), 0 3px 6px rgba(0, 0, 0, .23)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:var(--background);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}#app{display:flex;flex-direction:column;min-height:100vh;max-width:100vw;overflow-x:hidden}.app-header{background:var(--primary-color);color:#fff;padding:1rem;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow);position:sticky;top:0;z-index:100}.app-header 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.2s}.exercise-card:hover,.routine-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.routine-today-card{flex-direction:column;align-items:center;text-align:center;padding:1.5rem}.routine-today-card h3{font-size:1.5rem;margin-bottom:.5rem}.routine-today-card p{color:var(--text-secondary);margin-bottom:1rem}.exercise-image,.exercise-image-placeholder{width:100px;height:100px;object-fit:cover;border-radius:8px;flex-shrink:0}.exercise-image-placeholder{background:var(--background);display:flex;align-items:center;justify-content:center;font-size:3rem}.exercise-info{flex:1}.exercise-info 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.btn-icon{color:#fff}.workout-content{padding:1rem}.exercise-display{background:var(--surface);border-radius:12px;padding:2rem;box-shadow:var(--shadow-lg);margin-bottom:2rem}.workout-exercise-image{width:100%;max-height:300px;object-fit:cover;border-radius:12px;margin-bottom:1.5rem}.workout-exercise-placeholder{width:100%;height:200px;background:var(--background);display:flex;align-items:center;justify-content:center;font-size:5rem;border-radius:12px;margin-bottom:1.5rem}.exercise-name{font-size:2rem;margin-bottom:1rem;text-align:center}.exercise-display .exercise-description{text-align:center;margin-bottom:2rem}.exercise-details{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:2rem}.detail-item{text-align:center;padding:1rem;background:var(--background);border-radius:8px}.detail-label{display:block;font-size:.85rem;color:var(--text-secondary);margin-bottom:.5rem}.detail-value{display:block;font-size:1.75rem;font-weight:600;color:var(--primary-color)}.rest-timer-container{margin:2rem 0;padding:2rem;background:var(--background);border-radius:12px;text-align:center;opacity:.3;transition:opacity .3s}.rest-timer-container.active{opacity:1;background:linear-gradient(135deg,#667eea 0%,#764ba2 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