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scale(1.15)}.trim-playhead:active:after,.trim-playhead.dragging:after{cursor:grabbing}.segments-section{margin-bottom:var(--space-xl)}.segments-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-sm)}.segments-title{font-size:var(--font-md);font-weight:var(--font-semibold);color:var(--color-text-primary)}.segments-hint{font-size:var(--font-xs);color:var(--color-text-tertiary);margin-bottom:var(--space-md);line-height:1.5}.add-segment-btn{padding:var(--space-sm) var(--space-md);background-color:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--font-sm);font-weight:var(--font-semibold);cursor:pointer;transition:all 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var(--transition-base)}.time-set-btn:hover{background-color:var(--color-primary-hover);transform:translateY(-1px)}.trim-actions{display:flex;flex-direction:column;gap:var(--space-md)}@media (max-width: 640px){.time-setter{flex-direction:column}.time-set-value{font-size:var(--font-xl)}}.quality-control{display:flex;align-items:center;gap:var(--space-md)}.quality-slider{flex:1;height:8px;border-radius:var(--radius-full);background:linear-gradient(to right,var(--color-bg-secondary) 0%,var(--color-primary) 100%);outline:none;-webkit-appearance:none}.quality-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--color-primary);cursor:pointer;box-shadow:0 2px 4px #0003}.quality-slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--color-primary);cursor:pointer;box-shadow:0 2px 4px 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var(--transition-base)}.result-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.result-preview{width:100%;height:150px;object-fit:contain;border-radius:var(--radius-md);margin-bottom:var(--space-md);background-color:var(--color-bg-secondary)}.result-filename{font-size:var(--font-sm);font-weight:var(--font-medium);color:var(--color-text-primary);margin-bottom:var(--space-xs);word-break:break-all;text-align:center}.result-size{font-size:var(--font-xs);color:var(--color-text-tertiary);margin-bottom:var(--space-md)}.download-btn{width:100%;padding:var(--space-sm) var(--space-md);background-color:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--font-sm);font-weight:var(--font-semibold);transition:all 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var(--space-xl);background-color:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--font-lg);font-weight:var(--font-bold);transition:all var(--transition-base);cursor:pointer}.download-btn-large:hover{background-color:var(--color-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}@media (max-width: 768px){.drop-zone{min-height:300px;padding:var(--space-xl)}.drop-zone-text{font-size:var(--font-lg)}.configure-container{padding:var(--space-xl)}.format-options{grid-template-columns:repeat(2,1fr);gap:var(--space-sm)}.result-container{grid-template-columns:1fr;gap:var(--space-md)}.ready-state{max-width:100%}}.social-share-section{max-width:var(--container-width);margin:var(--space-2xl) 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svg{flex-shrink:0}.copy-link-btn:hover{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.twitter-btn:hover{background:#1da1f2;color:#fff;border-color:#1da1f2}.facebook-btn:hover{background:#1877f2;color:#fff;border-color:#1877f2}.support-section{padding-top:var(--space-xl);border-top:1px solid var(--border-color)}.support-text{color:var(--text-secondary);font-size:var(--font-md);margin-bottom:var(--space-md)}.coffee-btn{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);background:linear-gradient(135deg,#fd0,#fbb034);color:#000;border:none;border-radius:var(--radius-full);font-size:var(--font-md);font-weight:600;text-decoration:none;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #fbb0344d}.coffee-btn:hover{transform:translateY(-3px);box-shadow:0 6px 25px #fbb03480}@media (max-width: 768px){.social-share-section{padding:var(--space-lg) 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