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button:last-child{background:var(--surface-2);color:var(--text-muted);border-color:var(--border)}.resume-actions button:last-child:hover{background:var(--surface-3);color:var(--text)}@media(max-width:768px){.canvas-header{flex-direction:column;gap:10px;padding:12px 18px;height:auto}.header-info{flex-direction:column;gap:10px}.thinking-chain{max-width:100%;justify-content:center}.seed-badge{max-width:90%}.input-title{font-size:2.1rem}.input-subtitle{font-size:1rem}.input-field{flex-wrap:wrap;border-radius:22px;padding:12px}.main-input{flex:1 1 100%;text-align:center}.start-btn{flex:1 1 100%;justify-content:center}.side-dock{inset:auto auto 14px 50%;transform:translate(-50%);flex-direction:row;flex-wrap:wrap;justify-content:center;max-width:94vw;max-height:none;gap:3px}.dock-btn{width:40px;height:40px}.dock-divider{width:1px;height:26px;margin:0 3px}.dock-btn:after{display:none}.directions-panel{bottom:76px}.canvas-hint{font-size:.7rem;max-width:92%;padding:8px 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