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#ffffff0d}.upload-section{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:60vh;margin-top:2rem;padding:3rem;display:flex}.section-title{background:linear-gradient(90deg,#fff,#a3a3a3);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:1rem;font-size:2.5rem}.section-subtitle{color:var(--text-secondary);max-width:600px;margin-bottom:3rem;font-size:1.1rem}.workspace{grid-template-columns:1fr 380px;gap:2rem;height:calc(100vh - 140px);display:grid}.preview-section{flex-direction:column;display:flex;position:relative;overflow:hidden}.tools-section{flex-direction:column;gap:1.5rem;padding:1.5rem;display:flex;overflow-y:auto}.tools-header{justify-content:space-between;align-items:center;display:flex}.tools-header h2{font-size:1.25rem}.reset-btn{color:var(--text-secondary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:1px solid #ffffff1a;padding:.5rem 1rem;font-size:.85rem}.reset-btn:hover{color:var(--text-primary);background:#ffffff0d}.paint-action-container{border-top:1px solid #ffffff0d;flex-direction:column;gap:.5rem;margin-top:auto;padding-top:1.5rem;display:flex}.paint-btn{border-radius:var(--radius-lg);cursor:pointer;width:100%;color:var(--text-secondary);transition:all var(--transition-normal);background:#ffffff0d;border:none;justify-content:center;align-items:center;gap:.75rem;padding:1rem;font-size:1.1rem;font-weight:600;display:flex}.paint-btn.ready{background:var(--accent-primary);color:#fff;box-shadow:0 4px 15px #10b9814d}.paint-btn.ready:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 20px #10b98166}.paint-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.paint-hint{text-align:center;color:var(--text-muted);font-size:.8rem}.layers-list{flex-direction:column;gap:.5rem;display:flex}.layer-item{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);background:#ffffff08;border:1px solid #ffffff0d;padding:.75rem 1rem}.layer-item:hover{background:#ffffff14}.layer-item.active{background:#10b98126;border-color:#10b98166}.layer-info{align-items:center;gap:.75rem;font-size:.95rem;font-weight:500;display:flex}.layer-color{border:1px solid #fff3;border-radius:4px;width:20px;height:20px;box-shadow:inset 0 2px 4px #0003}.add-layer-btn{color:var(--text-secondary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:1px dashed #fff3;margin-top:.5rem;padding:.75rem;font-weight:500}.add-layer-btn:hover{color:var(--text-primary);background:#ffffff0d;border-color:#fff6}@media (width<=1024px){.workspace{grid-template-columns:1fr;height:auto}.preview-section{min-height:50vh}}