:root{--base: #f8f9fb;--surface: #ffffff;--surface-2: #f1f3f5;--surface-3: #e9ecef;--border: #dee2e6;--border-lt: #e9ecef;--accent: #4263eb;--accent-hot: #5c7cfa;--accent-glow: rgba(66, 99, 235, .1);--text: #212529;--text-2: #495057;--text-3: #868e96;--text-4: #adb5bd;--success: #40c057;--success-dim: rgba(64, 192, 87, .1);--warning: #fab005;--warning-dim: rgba(250, 176, 5, .1);--error: #f03e3e;--error-dim: rgba(240, 62, 62, .08);--shadow: 0 8px 24px rgba(33, 37, 41, .06);font-family:Inter,Segoe UI,SF Pro Display,system-ui,sans-serif;color:var(--text);background:var(--base);font-size:13px;line-height:1.45}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}button,input,select{font:inherit}button{cursor:pointer}::selection{background:var(--accent);color:#fff}.app-shell{min-height:100%;display:flex;flex-direction:column;background:var(--base)}.app-header{height:64px;background:var(--surface);border-bottom:1px solid var(--border-lt);display:flex;align-items:center;padding:0 24px;gap:12px;flex-shrink:0}.app-logo{height:40px;width:auto;display:block}.brand-name{font-weight:800;font-size:15px;letter-spacing:-.3px}.version-badge{font-size:11px;font-weight:600;color:var(--text-3);background:var(--surface-2);border-radius:999px;padding:3px 8px}.header-spacer{flex:1}.lang-switch{display:flex;background:var(--surface-2);border-radius:8px;padding:2px;gap:2px}.lang-switch button{border:0;background:transparent;color:var(--text-3);font-weight:700;font-size:11px;padding:6px 10px;border-radius:6px}.lang-switch button.active{background:var(--surface);color:var(--text);box-shadow:0 1px 3px #00000014}.nav-btn,.btn{border:1px solid var(--border);background:var(--surface);color:var(--text-2);border-radius:8px;padding:7px 12px;font-weight:600;height:32px}.nav-btn:hover,.btn:hover{background:var(--surface-2)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;height:36px;min-width:150px;font-weight:700}.btn.primary:hover{background:var(--accent-hot)}.btn.primary:disabled{opacity:.5;cursor:default}.btn.success{background:var(--success);border-color:var(--success);color:#fff}.btn.danger{background:var(--error-dim);border-color:#f03e3e73;color:var(--error)}.btn.ghost{background:transparent;border-color:transparent;color:var(--text-2)}.screen{flex:1;display:flex;flex-direction:column;min-height:0}.body{padding:28px 36px;flex:1;display:flex;flex-direction:column;gap:16px;min-height:0}.drop-target{flex:1;min-height:220px;border:2px dashed #ced4da;border-radius:16px;background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;transition:border-color .15s,background .15s}.drop-target.active{border-color:var(--accent);background:var(--accent-glow)}.drop-icon{font-size:42px;color:var(--text-4);line-height:1}.drop-target.active .drop-icon,.drop-target.active .drop-title{color:var(--accent)}.drop-title{font-size:18px;font-weight:700;letter-spacing:-.3px;margin:0}.drop-sub{color:var(--text-3);margin:0}.linkish{background:none;border:0;color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:3px;height:auto;padding:0}.browse-row{display:flex;justify-content:center}.queue-head{display:flex;align-items:center;gap:12px}.queue-title{font-size:11px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--text-3);margin:0}.file-list{display:flex;flex-direction:column;gap:8px;max-height:280px;overflow:auto}.file-item{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--border-lt);border-radius:12px;padding:10px 14px;min-height:60px}.pdf-chip{background:var(--accent-glow);color:var(--accent);border:1px solid rgba(66,99,235,.25);border-radius:6px;font-size:9px;font-weight:800;letter-spacing:.8px;width:40px;height:24px;display:grid;place-items:center}.file-name{font-weight:600}.file-meta,.file-size{color:var(--text-3);font-size:11px}.file-size{margin-left:auto}.remove-btn{width:34px;height:34px;border-radius:8px;border:1.5px solid rgba(240,62,62,.45);background:var(--error-dim);color:var(--error);font-size:20px;font-weight:700;line-height:1}.convert-bar{display:flex;justify-content:flex-end;padding-bottom:8px}.section-header{height:58px;display:flex;align-items:center;gap:12px;padding:0 28px;background:var(--surface);border-bottom:1px solid var(--border-lt);font-weight:700;font-size:15px}.muted{color:var(--text-3);font-weight:500;font-size:12px;margin-left:auto}.progress-card,.card{background:var(--surface);border:1px solid var(--border-lt);border-radius:16px;box-shadow:var(--shadow);padding:18px 22px}.progress-hero{display:flex;gap:20px;align-items:center}.pct{font-size:42px;font-weight:800;letter-spacing:-1px;min-width:88px;color:var(--accent)}.step-label{font-weight:600}.bar{height:8px;background:var(--surface-2);border-radius:999px;overflow:hidden;margin-top:8px}.bar>span{display:block;height:100%;background:var(--accent);border-radius:inherit}.stages{display:flex;gap:8px;margin-top:16px}.stage{flex:1;text-align:center;font-size:11px;font-weight:600;color:var(--text-4)}.stage .dot{width:10px;height:10px;border-radius:50%;background:var(--surface-3);margin:0 auto 6px}.stage.done{color:var(--success)}.stage.done .dot{background:var(--success)}.stage.current{color:var(--accent)}.stage.current 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16px;margin-bottom:10px;background:var(--surface)}.flag.warning{border-color:#fab00559;background:var(--warning-dim)}.flag.error{border-color:#f03e3e4d;background:var(--error-dim)}.flag-top{display:flex;gap:10px;align-items:center;margin-bottom:4px}.ref{font-weight:800;font-size:11px;letter-spacing:.4px}.kind{font-size:11px;font-weight:700;color:#e67700}.flag p{margin:4px 0 0;color:var(--text-2)}.suggest{color:var(--text-3)!important;font-size:12px}.chips{display:flex;gap:10px;margin-bottom:14px}.chip{flex:1;background:var(--surface-2);border-radius:12px;padding:14px;text-align:center}.chip.warn{background:var(--warning-dim)}.chip-value{font-size:20px;font-weight:800}.chip-cap{font-size:11px;color:var(--text-3);font-weight:600}.dxf-card{border:1px solid var(--border-lt);border-radius:12px;padding:12px 14px;display:flex;align-items:center;gap:10px;margin-bottom:8px;background:var(--surface)}.dxf-card .name{font-weight:700}.pill{display:inline-block;font-size:11px;font-weight:700;border-radius:999px;padding:2px 8px;background:var(--success-dim);color:#2b8a3e}.pill.review{background:var(--warning-dim);color:#e67700}.confidence{font-weight:800;font-size:22px}.confidence.warn{color:#e67700}.confidence.bad{color:var(--error)}.confidence.ok{color:var(--success)}.footer-credit{height:36px;display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:0 16px;color:var(--text-3);font-size:12px;border-top:1px solid var(--border-lt);background:var(--surface)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#21252959;display:grid;place-items:center;z-index:40;padding:24px}.modal{background:var(--surface);border-radius:16px;width:min(640px,100%);max-height:min(86vh,760px);overflow:auto;padding:24px 28px 20px;box-shadow:0 24px 60px #0000002e}.modal h2{margin:0 0 8px;font-size:16px}.modal p.sub{color:var(--text-3);margin:0 0 14px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.field label{font-weight:600}.field input,.field select{height:38px;border:1px solid var(--border);border-radius:8px;padding:0 10px;background:var(--surface)}.hwid-row{display:flex;gap:8px}.hwid-row input{flex:1;font-family:Consolas,Cascadia Code,monospace;font-size:12px}.status-box{background:var(--surface-2);border-radius:8px;padding:10px 12px;margin-bottom:12px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.guide-section{margin:14px 0}.guide-section h3{font-size:13px;margin:0 0 6px}.guide-section li{margin:4px 0;color:var(--text-2)}.about-head{display:flex;gap:20px;align-items:flex-start}.about-head img{width:72px;height:72px}.form-grid{display:grid;gap:10px}.check{display:flex;gap:8px;align-items:flex-start}.error-text{color:var(--error)}.ok-text{color:var(--success)}.gate{min-height:100%;display:grid;place-items:center;padding:32px}.gate .modal{width:min(520px,100%)}.busy{opacity:.7;pointer-events:none}@media (max-width: 900px){.results-split{grid-template-columns:1fr}.panel+.panel{border-left:0;border-top:1px solid var(--border-lt)}.body{padding:16px}}