:root{--primary-color: #3b82f6;--bg-color: #f3f4f6;--panel-bg: rgba(255, 255, 255, .98);--ribbon-bg: #f9fafb;--border-color: #e5e7eb;--text-color: #374151;--hover-color: #e0e7ff}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);overflow:hidden}.app-container{display:flex;flex-direction:column;height:100vh}.top-menu{display:flex;justify-content:flex-start;padding:4px 16px;background-color:#fff;border-bottom:1px solid var(--border-color)}.menu-group{display:flex;gap:2px}.menu-group button{display:flex;align-items:center;gap:6px;padding:4px 10px;background:none;border:1px solid transparent;border-radius:4px;cursor:pointer;color:var(--text-color);font-size:12px}.menu-group button:hover:not(:disabled){background-color:var(--hover-color)}.menu-group button:disabled{opacity:.5;cursor:not-allowed}.menu-group button.danger-btn:hover{background-color:#fee2e2;color:#b91c1c}.dropdown{position:relative;display:inline-block}.dropdown-content{display:none;position:absolute;background-color:#fff;min-width:160px;box-shadow:0 8px 16px #0000001a;z-index:10;border-radius:6px;border:1px solid var(--border-color);top:100%;left:0;margin-top:4px}.dropdown-content button{color:var(--text-color);padding:8px 16px;text-decoration:none;display:flex;align-items:center;gap:8px;width:100%;text-align:left;border:none;border-radius:0;background:none}.dropdown-content button:hover{background-color:var(--hover-color)}.dropdown:hover .dropdown-content{display:block}.ribbon-container{overflow:visible;transition:max-height .3s cubic-bezier(.4,0,.2,1);max-height:200px}.ribbon-container.collapsed{max-height:0}.ribbon{display:flex;align-items:center;padding:8px 16px;background-color:var(--ribbon-bg);border-bottom:1px solid var(--border-color);box-shadow:0 2px 4px #00000005;gap:16px}.ribbon-group{display:flex;align-items:stretch;gap:16px}.ribbon-section{display:flex;flex-direction:column;align-items:center;justify-content:space-between}.ribbon-label{font-size:11px;color:#6b7280;margin-top:4px;text-transform:capitalize}.ribbon-divider{width:1px;background-color:var(--border-color);margin:0 4px}.ribbon-tools{display:flex;gap:2px}.tool-grid-ribbon{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}.shape-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px}.ribbon-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6px 8px;background-color:transparent;border:1px solid transparent;border-radius:4px;cursor:pointer;color:var(--text-color);transition:all .2s}.ribbon-btn:hover{background-color:var(--hover-color);border-color:#3b82f64d}.ribbon-btn.active{background-color:var(--hover-color);color:var(--primary-color);border-color:var(--primary-color)}.ribbon-btn.large{padding:8px 16px;gap:4px}.ribbon-btn.large span{display:flex;align-items:center;gap:4px;font-size:12px}.size-selector{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%}.size-selector label{font-size:12px;margin-bottom:4px}.size-val{font-size:11px;margin-top:2px}.color-palette-ribbon{display:flex;align-items:center;gap:16px}.active-colors-ribbon{display:flex;gap:8px}.color-selector{display:flex;flex-direction:column;align-items:center;gap:4px}.color-selector span{font-size:11px;color:var(--text-color)}.color-swatch-large{width:36px;height:36px;border-radius:50%;border:2px solid var(--border-color);cursor:pointer;transition:transform .1s}.color-swatch-large:hover{transform:scale(1.05)}.standard-colors-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:4px}.color-swatch-small{width:20px;height:20px;border-radius:50%;border:1px solid rgba(0,0,0,.2);cursor:pointer;transition:transform .1s}.color-swatch-small:hover{transform:scale(1.15)}.custom-color-picker label{display:flex;flex-direction:column;align-items:center;cursor:pointer;font-size:11px;gap:4px}.edit-colors-icon{width:36px;height:36px;border-radius:50%;border:2px solid var(--border-color)}.custom-color-picker{position:relative}.color-picker-popover{position:absolute;top:100%;left:50%;transform:translate(-50%);margin-top:8px;background:#fff;border:1px solid var(--border-color);border-radius:8px;box-shadow:0 4px 12px #00000026;padding:12px;z-index:9999;display:flex;flex-direction:column;gap:12px}.color-picker-hex-input{display:flex;align-items:center;gap:8px}.color-picker-hex-input label{font-size:12px;color:var(--text-color)}.color-picker-hex-input input{flex:1;padding:4px 8px;border:1px solid var(--border-color);border-radius:4px;font-size:12px;font-family:monospace}.react-colorful{width:200px!important;height:200px!important}.react-colorful__saturation{border-radius:4px 4px 0 0}.react-colorful__hue{height:14px;border-radius:0 0 4px 4px}.react-colorful__pointer{width:18px;height:18px}.main-content{display:flex;flex:1;overflow:hidden}.workspace-container{flex:1;overflow:hidden;background-color:#fff;display:flex}.canvas-scroll-area{display:none}.canvas-wrapper{position:relative;flex:1;display:flex}.main-canvas{display:block;flex:1}.temp-canvas{position:absolute;top:0;left:0;width:100%;height:100%;display:block}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0006;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background-color:#fff;padding:24px;border-radius:8px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;max-width:400px;width:100%}.modal-content h2{margin-top:0;margin-bottom:12px;font-size:18px;font-weight:600}.modal-content p{color:#4b5563;margin-bottom:24px;font-size:14px}.modal-actions{display:flex;justify-content:flex-end;gap:12px}.modal-btn{padding:8px 16px;border-radius:4px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all .2s}.modal-btn.cancel{background-color:#fff;border-color:#d1d5db;color:#374151}.modal-btn.cancel:hover{background-color:#f3f4f6}.modal-btn.confirm{background-color:#ef4444;color:#fff}.modal-btn.confirm:hover{background-color:#dc2626}