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ease}.help-btn:hover{background:var(--muted);color:var(--panel);border-color:var(--muted)}.toolbar{display:flex;flex-wrap:wrap;gap:10px;padding:10px;margin-bottom:10px;background:var(--panel);border:1px solid var(--border);border-radius:10px}.tool-group{display:flex;align-items:stretch;gap:8px;padding:8px;background:var(--panel-2);border:1px solid var(--border);border-radius:10px}.group-title{align-self:stretch;display:flex;align-items:center;padding:0 8px;margin-right:6px;font-size:14px;color:#333;font-weight:700!important;border-right:1px solid var(--border)}.tool-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-width:110px;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:var(--muted);cursor:pointer;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease,transform .04s ease,color .15s ease}.tool-btn:hover{background:#f7f7f7;border-color:var(--border-strong);color:#444}.tool-btn:active{transform:translateY(1px)}.tool-btn.active,.tool-btn[aria-pressed=true]{background:var(--tool-active-bg);border-color:var(--tool-active-border);color:#1f4ed8;box-shadow:inset 0 0 0 1px var(--tool-active-border)}.tool-text{font-size:12px;line-height:1;color:var(--text)}.tool-hint{font-size:11px;line-height:1;color:var(--muted)}.color-picker{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--panel)}.color-input{height:32px;width:48px;border:none;background:transparent;cursor:pointer;padding:0}.color-input[disabled]{opacity:.5;cursor:not-allowed}.eraser-btn{background:var(--danger-weak);border-color:#f8c7d2;color:#b91c1c}.eraser-btn:hover{border-color:#f199aa;box-shadow:0 0 0 3px #e111481f}.eraser-btn.active,.eraser-btn[aria-pressed=true]{background:#ffd8df;border-color:var(--danger);box-shadow:inset 0 0 0 1px var(--danger);color:var(--danger)}.size-group{align-items:center}.size-dots{display:flex;gap:8px;align-items:center}.size-dot{display:inline-flex;align-items:center;justify-content:center;border:1.5px solid var(--border);border-radius:999px;background:var(--panel);cursor:pointer;padding:0;outline:none;transition:border-color .15s ease,box-shadow .15s ease,transform .04s ease,background .15s ease}.size-dot:hover{background:#f7f7f7;border-color:var(--border-strong)}.size-dot:active{transform:translateY(1px)}.size-dot.active,.size-dot[aria-pressed=true]{border-color:var(--tool-active-border);box-shadow:0 0 0 3px #3b82f61f,inset 0 0 0 1px var(--tool-active-border)}.size-dot-inner{display:block;border-radius:999px;background:var(--muted)}.size-dot.active .size-dot-inner{background:var(--primary)}.instructions{background:var(--panel);border:1px solid var(--border);padding:10px 12px;margin-bottom:12px;font-size:13px;color:var(--muted);border-radius:8px}.instructions kbd{background:#eee;border:1px solid #dcdcdc;border-bottom-color:#c8c8c8;border-radius:4px;padding:0 4px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px}.workspace{display:flex;align-items:flex-start;gap:16px;padding:12px;background:var(--panel);border:1px solid var(--border);border-radius:10px}.image-container{flex:1;min-height:360px;display:flex;justify-content:center;align-items:center;padding:8px;background:var(--panel-2);border:1px dashed var(--border);border-radius:10px;overflow:hidden}.image-container canvas{max-width:100%;height:auto;display:block}.crosshair{cursor:crosshair}.placeholder{flex:1;min-height:360px;display:flex;align-items:center;justify-content:center;background:var(--panel-2);border:2px dashed var(--border);border-radius:10px;color:var(--muted-2);font-size:14px}.controls{display:flex;flex-direction:column;gap:10px;width:170px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:var(--text);font-size:14px;font-weight:500;cursor:pointer;transition:border-color .15s ease,box-shadow .15s ease,transform .04s ease,background .15s ease}.btn .btn-label{line-height:1}.btn:hover:not(:disabled){background:#f5f5f5;border-color:var(--border-strong);box-shadow:0 0 0 3px #3b82f61f}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.btn-save{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:inset 0 0 0 1px #ffffff1f}.btn.btn-save:hover:not(:disabled){background:var(--primary-600);border-color:var(--primary-600)}@media(max-width:1024px){.tool-btn{min-width:100px}.controls{width:160px}}@media(max-width:840px){.workspace{flex-direction:column}.controls{flex-direction:row;width:100%;flex-wrap:wrap;justify-content:center}.btn{min-width:120px}}@media(max-width:600px){.tool-btn{min-width:96px}.tool-text{font-size:11.5px}.tool-hint{display:none}.placeholder,.image-container{min-height:220px}}@media(max-width:420px){.btn{min-width:96px;padding:8px 10px;font-size:13px}.controls{gap:8px}}
