:root{--font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--bg-app: #18181b;--bg-canvas-container: #121214;--bg-toolbar: rgba(28, 28, 32, .85);--bg-toolbar-sub: rgba(36, 36, 42, .85);--bg-btn: rgba(255, 255, 255, .08);--bg-btn-hover: rgba(255, 255, 255, .15);--bg-btn-active: #007aff;--text-primary: #f4f4f5;--text-secondary: #a1a1aa;--text-muted: #71717a;--border-subtle: rgba(255, 255, 255, .12);--border-dialog: rgba(255, 255, 255, .18);--accent-color: #007aff;--accent-color-hover: #0062cc;--danger-color: #ff453a;--warning-color: #ff9f0a;--success-color: #30d158;--shadow-popup: 0 16px 36px rgba(0, 0, 0, .45), 0 4px 12px rgba(0, 0, 0, .3);--radius-sm: 5px;--radius-md: 8px;--radius-lg: 12px}@media(prefers-color-scheme:light){:root{--bg-app: #e5e5ea;--bg-canvas-container: #d1d1d6;--bg-toolbar: rgba(245, 245, 247, .88);--bg-toolbar-sub: rgba(235, 235, 238, .88);--bg-btn: rgba(0, 0, 0, .05);--bg-btn-hover: rgba(0, 0, 0, .1);--bg-btn-active: #007aff;--text-primary: #1c1c1e;--text-secondary: #636366;--text-muted: #8e8e93;--border-subtle: rgba(0, 0, 0, .12);--border-dialog: rgba(0, 0, 0, .18);--shadow-popup: 0 16px 36px rgba(0, 0, 0, .18), 0 4px 12px rgba(0, 0, 0, .08)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none}html,body{width:100%;height:100%;overflow:hidden;font-family:var(--font-family);background-color:var(--bg-app);color:var(--text-primary);font-size:13px;-webkit-font-smoothing:antialiased}#app{display:flex;flex-direction:column;width:100vw;height:100vh;position:relative;overflow:hidden}#toolbar-container{display:flex;flex-direction:column;width:100%;z-index:100;position:relative}.preview-toolbar{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 14px;background-color:var(--bg-toolbar);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-bottom:1px solid var(--border-subtle);gap:12px}.toolbar-section{display:flex;align-items:center;gap:8px}.toolbar-left{flex:1;justify-content:flex-start}.toolbar-center{flex:2;justify-content:center}.toolbar-right{flex:1;justify-content:flex-end}.file-title-wrapper{display:flex;align-items:center;gap:6px;max-width:380px}.unsaved-dot{width:8px;height:8px;border-radius:50%;background-color:var(--warning-color);box-shadow:0 0 6px var(--warning-color);display:none}.file-title{font-size:13px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-.2px}.toolbar-button-group{display:inline-flex;align-items:center;background-color:var(--bg-btn);border-radius:var(--radius-md);padding:2px;border:1px solid var(--border-subtle);gap:2px}.toolbar-divider{width:1px;height:20px;background-color:var(--border-subtle);margin:0 4px}.toolbar-btn{display:inline-flex;align-items:center;justify-content:center;gap:5px;height:28px;padding:0 8px;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:12px;font-weight:500;cursor:pointer;transition:all .15s ease-out;outline:none}.toolbar-btn.icon-only{width:28px;padding:0}.toolbar-btn:hover:not(:disabled){background-color:var(--bg-btn-hover)}.toolbar-btn:focus-visible{outline:2px solid var(--accent-color);outline-offset:1px}.toolbar-btn:disabled{opacity:.35;cursor:default}.toolbar-btn.active,.toolbar-btn[aria-pressed=true]{background-color:var(--accent-color);color:#fff}.toolbar-btn.btn-install{background-color:var(--accent-color);color:#fff;font-weight:600}.toolbar-btn.btn-install:hover{background-color:var(--accent-color-hover)}.toolbar-btn .icon{width:16px;height:16px;fill:currentColor}.zoom-display-btn{font-variant-numeric:tabular-nums;font-size:11px;font-weight:600;padding:0 6px}.contextual-toolbar{display:flex;align-items:center;height:40px;padding:0 16px;background-color:var(--bg-toolbar-sub);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);gap:12px;font-size:12px}.prop-group{display:flex;align-items:center;gap:6px}.prop-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted)}.color-picker-wrapper{position:relative;width:22px;height:22px;border-radius:50%;overflow:hidden;border:2px solid var(--border-subtle);box-shadow:0 1px 3px #0003;cursor:pointer}.color-input{position:absolute;top:-10px;left:-10px;width:44px;height:44px;border:none;cursor:pointer;background:none}.prop-select{height:24px;background-color:var(--bg-btn);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:12px;padding:0 6px;cursor:pointer;outline:none}.prop-select:focus-visible{outline:2px solid var(--accent-color)}.checkbox-label{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--text-secondary);cursor:pointer}.checkbox-label input[type=checkbox]{cursor:pointer;accent-color:var(--accent-color)}.prop-slider{width:70px;height:4px;border-radius:2px;background:var(--border-subtle);accent-color:var(--accent-color);cursor:pointer}.text-controls-group{display:flex;align-items:center;gap:8px}.text-style-btn{width:24px;height:24px}.quick-palette-group{display:flex;align-items:center;gap:5px;margin-left:auto}.palette-swatch{width:16px;height:16px;border-radius:50%;border:none;cursor:pointer;transition:transform .1s ease}.palette-swatch:hover{transform:scale(1.25)}.palette-swatch:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}.main-viewport{flex:1;position:relative;background-color:var(--bg-canvas-container);overflow:hidden;display:flex;align-items:center;justify-content:center}.canvas-wrapper{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;touch-action:none}.preview-canvas{position:absolute;top:0;left:0;width:100%;height:100%;display:block}.dropzone-container{display:flex;flex-direction:column;align-items:center;justify-content:center;width:440px;max-width:90%;padding:48px 32px;border:2px dashed var(--border-subtle);border-radius:var(--radius-lg);background-color:var(--bg-toolbar);backdrop-filter:blur(16px);text-align:center;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1);box-shadow:0 12px 32px #0003;z-index:20}.dropzone-container.drag-over{border-color:var(--accent-color);background-color:#007aff1f;transform:scale(1.02)}.dropzone-icon{width:64px;height:64px;margin-bottom:16px;fill:var(--accent-color);opacity:.85}.dropzone-title{font-size:17px;font-weight:600;color:var(--text-primary);margin-bottom:6px}.dropzone-subtitle{font-size:13px;color:var(--text-secondary);margin-bottom:20px}.dropzone-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;background-color:var(--accent-color);color:#fff;border:none;border-radius:var(--radius-md);font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:background-color .15s ease}.dropzone-btn:hover{background-color:var(--accent-color-hover)}.dropzone-formats{font-size:11px;color:var(--text-muted);margin-top:14px}.canvas-text-editor{border-radius:var(--radius-sm);outline:none;resize:none;overflow:hidden;box-shadow:0 4px 16px #00000080}.modal-dialog{margin:auto;padding:24px;background-color:var(--bg-toolbar);backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);border:1px solid var(--border-dialog);border-radius:var(--radius-lg);color:var(--text-primary);box-shadow:var(--shadow-popup);width:420px;max-width:90vw;outline:none}.modal-dialog::backdrop{background-color:#00000073;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.modal-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.modal-icon-warning{width:32px;height:32px;fill:var(--warning-color)}.modal-title{font-size:16px;font-weight:600}.modal-body{font-size:13px;color:var(--text-secondary);line-height:1.5;margin-bottom:24px}.modal-footer{display:flex;justify-content:flex-end;gap:10px}.dialog-btn{padding:8px 16px;border-radius:var(--radius-md);font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;border:1px solid var(--border-subtle);background:var(--bg-btn);color:var(--text-primary);transition:all .15s ease}.dialog-btn:hover{background:var(--bg-btn-hover)}.dialog-btn.btn-primary{background:var(--accent-color);border-color:var(--accent-color);color:#fff}.dialog-btn.btn-primary:hover{background:var(--accent-color-hover)}.dialog-btn.btn-danger{background:var(--danger-color);border-color:var(--danger-color);color:#fff}.toast-container{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:8px;z-index:1000;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:center;gap:8px;padding:10px 16px;background-color:var(--bg-toolbar);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-size:13px;font-weight:500;box-shadow:0 8px 24px #00000059;animation:toast-in .25s cubic-bezier(.16,1,.3,1) forwards}.toast.toast-success svg{fill:var(--success-color)}.toast.toast-error svg{fill:var(--danger-color)}.toast.toast-fade-out{animation:toast-out .2s ease-in forwards}@keyframes toast-in{0%{opacity:0;transform:translateY(16px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes toast-out{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(10px) scale(.96)}}