:root{--bg:#0d0d17;--surface:#151525;--surface2:#1e1e32;--surface3:#282845;--border:#2a2a45;--border-hover:#3d3d60;--text:#e8e8f4;--text-dim:#7a7a9a;--text-faint:#4a4a66;--accent:#7c3aed;--accent-glow:#8b5cf6;--accent-dim:#5b21b6;--accent-soft:#7c3aed1f;--green:#22c55e;--red:#ef4444;--yellow:#f59e0b;--radius:14px;--radius-sm:8px;--radius-xs:6px;--shadow:0 4px 24px #0006}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-user-select:none;user-select:none;-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;overflow:hidden}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:3px}.app{flex-direction:column;height:100vh;max-height:100vh;display:flex}.header{border-bottom:1px solid var(--border);background:var(--surface);-webkit-app-region:drag;flex-shrink:0;justify-content:space-between;align-items:center;padding:14px 28px;display:flex}.title{align-items:baseline;gap:14px;display:flex}.title-cn{background:linear-gradient(135deg, var(--accent-glow), #a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:20px;font-weight:700}.title-uy{color:var(--text-dim);font-size:13px;font-weight:400}.version{color:var(--text-dim);background:var(--surface2);border-radius:12px;padding:3px 10px;font-size:11px}.main{flex:1;display:flex;overflow:hidden}.panel{flex-direction:column;padding:24px;display:flex;overflow-y:auto}.panel-left{border-right:1px solid var(--border);flex:0 0 48%;align-items:center;max-width:48%}.panel-right{flex:1;gap:18px}.upload-hero{border:2px dashed var(--border);border-radius:var(--radius);background:var(--surface);text-align:center;cursor:pointer;width:100%;max-width:440px;padding:60px 40px;transition:all .25s}.upload-hero:hover{border-color:var(--accent-glow);background:var(--surface2);box-shadow:0 0 40px var(--accent-soft)}.upload-hero-icon{margin-bottom:16px;font-size:56px}.upload-hero h2{color:var(--text);margin-bottom:8px;font-size:20px;font-weight:600}.upload-hero .sub{color:var(--text-dim);margin-bottom:4px;font-size:13px}.upload-hero .sub-uy{color:var(--text-dim);opacity:.6;margin-bottom:20px;font-size:13px}.upload-specs{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.spec-tag{background:var(--surface2);border:1px solid var(--border);color:var(--text-dim);border-radius:12px;padding:3px 8px;font-size:11px}.welcome-panel{flex:1;justify-content:center;align-items:center;display:flex}.welcome-card{text-align:center;max-width:360px}.welcome-card h3{background:linear-gradient(135deg, var(--accent-glow), #a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:12px;font-size:22px}.welcome-desc{color:var(--text-dim);margin-bottom:24px;font-size:13px;line-height:1.7}.feature-list{text-align:left;grid-template-columns:1fr 1fr;gap:8px;display:grid}.feature-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-dim);padding:8px 12px;font-size:12px}.config-panel{flex-direction:column;gap:18px;width:100%;display:flex}.preview-section,.adjust-section{width:100%}.image-card{aspect-ratio:3/4;border:1px solid var(--border);border-radius:var(--radius);background:repeating-conic-gradient(#1a1a2e 0% 25%,#12122a 0% 50%) 50%/16px 16px;width:100%;max-width:400px;position:relative;overflow:hidden}.preview-img{object-fit:contain;width:100%;height:100%}.preview-img.dimmed{opacity:.4}.file-info{color:var(--text-dim);background:#0009;border-radius:4px;padding:2px 8px;font-size:10px;position:absolute;bottom:6px;left:8px}.processing-overlay{color:var(--accent-glow);background:#0d0d17e0;flex-direction:column;justify-content:center;align-items:center;gap:14px;font-size:14px;display:flex;position:absolute;inset:0}.error-overlay{color:var(--red)}.error-icon{font-size:36px}.error-text{text-align:center;max-width:80%;font-size:13px;line-height:1.5}.spinner-lg{border:4px solid var(--border);border-top-color:var(--accent-glow);border-radius:50%;width:44px;height:44px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.adjust-section{padding-top:8px}.slider-row{align-items:center;gap:10px;margin-bottom:10px;display:flex}.slider-label{width:50px;color:var(--text-dim);flex-shrink:0;font-size:12px}.slider{appearance:none;background:var(--border);border-radius:2px;outline:none;flex:1;height:4px}.slider::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent-glow);cursor:pointer;border:2px solid var(--bg);border-radius:50%;width:16px;height:16px}.slider-val{text-align:right;width:32px;color:var(--text-dim);font-variant-numeric:tabular-nums;font-size:11px}.section-title{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;font-size:13px;font-weight:600}.control-group{flex-direction:column;gap:8px;display:flex}.control-label{color:var(--text-faint);text-transform:uppercase;letter-spacing:.3px;font-size:12px;font-weight:600}.spec-grid{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.btn-spec{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;font-size:12px;transition:all .15s;display:flex}.btn-spec:hover{border-color:var(--accent-dim);background:var(--surface2)}.btn-spec.active{border-color:var(--accent-glow);background:var(--accent-soft);box-shadow:0 0 12px var(--accent-soft)}.spec-name{font-size:12px;font-weight:600}.spec-size{color:var(--text-dim);font-size:10px}.custom-size{align-items:center;gap:8px;margin-top:6px;display:flex}.size-input{border:1px solid var(--border);border-radius:var(--radius-xs);background:var(--surface);width:70px;color:var(--text);text-align:center;padding:6px 10px;font-size:13px}.color-grid{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.btn-color{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer;align-items:center;gap:8px;padding:8px 12px;font-size:12px;transition:all .15s;display:flex}.btn-color:hover{border-color:var(--accent-dim)}.btn-color.active{border-color:var(--accent-glow);background:var(--accent-soft)}.color-dot{border:1px solid #ffffff26;border-radius:50%;flex-shrink:0;width:18px;height:18px}.kb-options,.btn-row{gap:6px;display:flex}.btn-chip{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer;flex-direction:column;align-items:center;gap:1px;padding:8px 16px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.btn-chip:hover{border-color:var(--accent-dim)}.btn-chip.active{border-color:var(--accent-glow);background:var(--accent-soft);box-shadow:0 0 10px var(--accent-soft)}.btn-chip small{color:var(--text-dim);font-size:10px;font-weight:400}.btn-chip.small{padding:5px 12px;font-size:12px}.btn-start{border-radius:var(--radius);background:linear-gradient(135deg, var(--accent), var(--accent-dim));color:#fff;cursor:pointer;letter-spacing:.5px;border:none;width:100%;margin-top:8px;padding:16px;font-size:16px;font-weight:700;transition:all .2s}.btn-start:hover{background:linear-gradient(135deg, var(--accent-glow), var(--accent));transform:translateY(-1px);box-shadow:0 0 30px #7c3aed66}.btn-start:active{transform:scale(.98)}.result-full{flex-direction:column;gap:16px;display:flex}.result-gallery{grid-template-columns:1fr 1fr;gap:14px;display:grid}.result-card{flex-direction:column;gap:8px;display:flex}.result-label{color:var(--text-dim);justify-content:space-between;align-items:center;font-size:12px;font-weight:600;display:flex}.spec-dim{color:var(--text-faint);font-size:10px}.result-img-wrap{aspect-ratio:3/4;border:1px solid var(--border);border-radius:var(--radius-sm);background:repeating-conic-gradient(#1a1a2e 0% 25%,#12122a 0% 50%) 50%/12px 12px;justify-content:center;align-items:center;display:flex;overflow:hidden}.result-img{object-fit:contain;width:100%;height:100%}.result-placeholder{height:100%;color:var(--text-faint);justify-content:center;align-items:center;font-size:13px;display:flex}.btn-full{width:100%}.print-section{border-top:1px solid var(--border);padding-top:14px}.layout-preview{align-items:center;gap:12px;display:flex}.layout-preview img{border-radius:var(--radius-sm);border:1px solid var(--border);max-width:240px;max-height:160px}.action-bar{border-top:1px solid var(--border);gap:8px;padding-top:8px;display:flex}.btn{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface2);color:var(--text);cursor:pointer;white-space:nowrap;padding:9px 18px;font-size:13px;font-weight:500;transition:all .15s}.btn:hover{background:var(--surface3);border-color:var(--accent-dim)}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-dim);box-shadow:0 0 16px var(--accent-soft)}.btn-sm{padding:5px 12px;font-size:11px}.footer{border-top:1px solid var(--border);color:var(--text-faint);background:var(--surface);flex-shrink:0;justify-content:center;align-items:center;gap:8px;padding:8px;font-size:11px;display:flex}.dot{color:var(--border)}.layout-mode-grid{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}@media (width<=800px){.main{flex-direction:column}.panel-left{border-right:none;border-bottom:1px solid var(--border);flex:none;max-width:100%;padding:16px}.panel-right{padding:16px}.result-gallery{grid-template-columns:1fr}.spec-grid{grid-template-columns:repeat(3,1fr)}.layout-mode-grid{flex-direction:column}}