@font-face{font-family:Long Cang;src:url(../fonts/LongCang-Regular.ttf)format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Ma Shan Zheng;src:url(../fonts/MaShanZheng-Regular.ttf)format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Zhi Mang Xing;src:url(../fonts/ZhiMangXing-Regular.ttf)format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:ZCOOL KuaiLe;src:url(../fonts/ZCOOLKuaiLe-Regular.ttf)format("truetype");font-weight:400;font-style:normal;font-display:swap}:root{--bg-main:#0f172a;--bg-card:#1e293b;--bg-sidebar:#182234;--bg-input:#0f172a;--border-color:#334155;--border-hover:#475569;--primary:#3b82f6;--primary-hover:#2563eb;--text-main:#f8fafc;--text-muted:#94a3b8;--text-subtle:#64748b;--accent:#10b981;--accent-purple:#8b5cf6;--card-radius:12px}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg-main);width:100%;height:100%;color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;overflow:hidden}#root{flex-direction:column;width:100%;height:100%;display:flex}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#00000026}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}.app-header{background:var(--bg-card);border-bottom:1px solid var(--border-color);z-index:10;flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:8px;height:auto;min-height:58px;padding:8px 20px;display:flex}.header-brand{align-items:center;gap:12px;display:flex}.brand-mark{border-radius:8px;flex-shrink:0;display:block;box-shadow:0 2px 10px #00000059}.quality-label{white-space:nowrap}.brand-title{color:#fff;align-items:center;gap:8px;font-size:16px;font-weight:600;display:flex}.brand-badge{color:#60a5fa;background:#3b82f62e;border:1px solid #3b82f64d;border-radius:12px;padding:2px 8px;font-size:11px;font-weight:500}.header-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.btn{cursor:pointer;-webkit-user-select:none;user-select:none;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:7px 14px;font-size:13px;font-weight:500;transition:all .15s;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary), var(--primary-hover));color:#fff;box-shadow:0 2px 8px #2563eb4d}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg, var(--primary-hover), #1d4ed8)}.btn-secondary{color:#e2e8f0;border-color:var(--border-color);background:#27354a}.btn-secondary:hover:not(:disabled){background:var(--border-color);color:#fff}.btn-accent{background:linear-gradient(135deg, var(--accent), #059669);color:#fff}.btn-accent:hover:not(:disabled){background:#059669}.btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.btn:focus-visible,.dropdown-item:focus-visible,.tab-btn:focus-visible,.preset-card:focus-visible,.thumb-item:focus-visible,.color-swatch:focus-visible{outline-offset:2px;outline:2px solid #60a5fa}.btn-sm{padding:5px 10px;font-size:12px}.btn-icon{gap:0;padding:7px}.app-main{flex:1;display:flex;overflow:hidden}.sidebar-panel{background:var(--bg-sidebar);border-inline-end:1px solid var(--border-color);flex-direction:column;width:480px;min-width:380px;display:flex;overflow:hidden}.tab-bar{border-bottom:1px solid var(--border-color);background:#111b27;flex-shrink:0;gap:4px;padding:4px 8px;display:flex}.tab-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;flex:1;justify-content:center;align-items:center;gap:6px;padding:8px 10px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.tab-btn:hover{color:#fff;background:#ffffff0d}.tab-btn.active{color:#fff;background:#253347;box-shadow:0 1px 3px #0003}.tab-content{flex-direction:column;flex:1;gap:16px;padding:16px 20px;display:flex;overflow-y:auto}.text-editor-container{flex-direction:column;gap:12px;height:100%;display:flex}.editor-textarea{background:var(--bg-input);border:1px solid var(--border-color);min-height:280px;color:var(--text-main);resize:none;border-radius:8px;outline:none;flex:1;padding:14px;font-family:inherit;font-size:14px;line-height:1.6}.editor-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 2px #3b82f633}.editor-stats{color:var(--text-subtle);justify-content:space-between;align-items:center;padding:0 4px;font-size:12px;display:flex}.file-drop-zone{border:2px dashed var(--border-color);cursor:pointer;text-align:center;background:#0f172a66;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:16px;transition:all .2s;display:flex}.file-drop-zone:hover,.file-drop-zone.dragover{border-color:var(--primary);background:#3b82f614}.control-group{background:var(--bg-card);border:1px solid #2e3c51;border-radius:10px;flex-direction:column;gap:14px;padding:14px 16px;display:flex}.group-title{color:#cbd5e1;text-transform:uppercase;letter-spacing:.5px;flex-wrap:wrap;justify-content:space-between;align-items:center;row-gap:6px;font-size:13px;font-weight:600;display:flex}.control-item{flex-direction:column;gap:6px;display:flex}.control-label-row{color:#e2e8f0;justify-content:space-between;align-items:center;font-size:13px;display:flex}.control-value{color:#93c5fd;background:#3b82f626;border-radius:4px;padding:2px 6px;font-family:monospace;font-size:12px}input[type=range]{-webkit-appearance:none;background:var(--border-color);border-radius:3px;outline:none;width:100%;height:5px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--primary);cursor:pointer;border:2px solid 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var(--border-color);z-index:5;background:#0f172ad9;flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:8px;height:auto;min-height:48px;padding:8px 20px;display:flex}.preview-toolbar>div{flex-wrap:wrap}.toolbar-export{margin-inline-start:12px}.preview-canvas-container{background:radial-gradient(circle,#151f32 0%,#090e17 100%);flex:1;justify-content:center;align-items:center;padding:40px;display:flex;overflow:auto}.paper-canvas-wrapper{background:#fff;border-radius:4px;line-height:0;transition:transform .15s ease-out;display:inline-block;position:relative;box-shadow:0 20px 50px #0009,0 0 0 1px #ffffff14}.preview-canvas{max-width:100%;height:auto;display:block}.doodle-canvas{display:block;position:absolute;inset:0}.thumbnail-strip{border-top:1px solid var(--border-color);background:#111a2c;flex-shrink:0;align-items:center;gap:12px;height:90px;padding:0 16px;display:flex;overflow-x:auto}.thumb-item{cursor:pointer;width:52px;height:70px;color:var(--border-color);background:#fff;border:2px solid #0000;border-radius:3px;justify-content:center;align-items:center;font-size:11px;font-weight:600;transition:all .15s;display:flex;position:relative;box-shadow:0 2px 6px #0000004d}.thumb-item:hover{transform:translateY(-2px)}.thumb-item.active{border-color:var(--primary);box-shadow:0 0 0 2px #3b82f680}.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#000000b3;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:14px;flex-direction:column;width:720px;max-width:92vw;max-height:85vh;display:flex;overflow:hidden;box-shadow:0 25px 60px #0009}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:16px 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print{body,html{color:#000!important;background:#fff!important;height:auto!important;overflow:visible!important}.app-header,.sidebar-panel,.preview-toolbar,.thumbnail-strip,.modal-backdrop,.dropdown-menu{display:none!important}.app-main{height:auto!important;display:block!important;overflow:visible!important}.preview-viewport{background:#fff!important;height:auto!important;overflow:visible!important}.preview-canvas-container{background:0 0!important;padding:0!important;display:block!important;overflow:visible!important}.paper-canvas-wrapper{box-shadow:none!important;border-radius:0!important;margin:0 auto!important;display:block!important;transform:none!important}.preview-canvas{page-break-inside:avoid;margin:0 auto;max-width:100%!important;height:auto!important}}