:root{--bg: #f6f7fb;--card: #ffffff;--text: #1f2937;--muted: #6b7280;--accent: #e21b24;--accent-600: #c0161e;--border: #e5e7eb;--radius: 14px;--shadow: 0 10px 30px rgba(16, 24, 40, .08);--shadow-sm: 0 6px 16px rgba(16, 24, 40, .06)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial}body{text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.brand-sub-line,.brand-sub-strong{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.container{max-width:980px;margin:0 auto;padding:32px 20px 60px}.header{display:flex;align-items:center;justify-content:space-between;padding:24px 20px 8px}.brand{display:flex;align-items:center;gap:12px;-webkit-user-select:none;user-select:none}.brand-logo{width:36px;height:36px;border-radius:10px;background:var(--accent);box-shadow:0 4px 10px #e21b2459;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}.brand-title{font-size:20px;font-weight:800;letter-spacing:.2px}.header-left{display:flex;align-items:center}.brand-column{display:flex;flex-direction:column;align-items:flex-start;gap:6px}.brand-main{display:flex;align-items:center;gap:12px}.brand-sub{color:var(--muted);font-size:14px;margin-top:2px}.brand-sub-line{font-size:11px;color:var(--muted);line-height:1}.brand-sub-strong{font-size:22.5px;color:var(--muted);line-height:1.05;margin-top:2px}.brand-sub-line,.brand-sub-strong{display:inline-block;white-space:nowrap;letter-spacing:0}.header-right{display:flex;align-items:center}.account-btn{width:48px;height:48px;border-radius:12px;border:none;background:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);cursor:pointer;padding:8px}.account-btn svg{display:block}.account-btn:active{transform:translateY(1px)}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;margin-top:18px}.hero{text-align:center;margin-top:8px;margin-bottom:10px}.hero h1{margin:0 0 6px;font-size:28px}.hero p{margin:0;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:12px;padding:12px 18px;cursor:pointer;font-weight:700;background:var(--accent);color:#fff;box-shadow:var(--shadow-sm);transition:transform .08s ease,box-shadow .2s ease,background .2s ease}.btn:hover{background:var(--accent-600);transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn-ghost{background:transparent;color:var(--muted);border:1px dashed var(--border)}.dropzone{position:relative;border:2px dashed var(--border);border-radius:16px;padding:42px 20px;text-align:center;background:linear-gradient(180deg,#fff,#fff 65%,#fafbfe);transition:border-color .2s ease,background .3s ease}.dropzone.drag-active{border-color:var(--accent);background:linear-gradient(180deg,#fff,#fff 50%,#fdf2f3)}.dropzone input[type=file]{display:none}.drop-title{font-weight:800;font-size:18px;margin:0 0 6px}.drop-sub{color:var(--muted);margin:0 0 14px}.file-pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:#fff;color:var(--text);padding:8px 12px;border-radius:999px;box-shadow:var(--shadow-sm)}.status{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.status-line{display:flex;align-items:center;gap:10px;color:var(--muted)}.status-strong{font-weight:700;color:var(--text)}.queue-badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#fff3f3;color:var(--accent);border:1px solid #ffe1e1;font-weight:700}.progress{display:flex;align-items:center;gap:10px;margin:10px 0 0}.dot{width:10px;height:10px;border-radius:50%;background:#e5e7eb}.dot.active{background:var(--accent)}.dot.done{background:#10b981}.result{white-space:pre-wrap;background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;max-height:400px;overflow:auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.footer{text-align:center;color:var(--muted);margin-top:36px;font-size:14px}.spinner{width:18px;height:18px;border:3px solid #eaecef;border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tabs{display:flex;align-items:center;gap:8px;margin-top:18px}.tabs-scroll{display:flex;gap:8px;overflow:auto hidden;flex:1;padding-bottom:2px}.tab{position:relative;display:inline-flex;align-items:center;gap:10px;max-width:260px;padding:10px 14px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;box-shadow:var(--shadow-sm)}.tab.active{border-color:#ffd3d6;background:#fff5f6}.tab .tab-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tab .tab-close{margin-left:4px;color:#9ca3af;font-weight:700}.tab .tab-close:hover{color:#ef4444}.tab.add{background:#fff;border:1px dashed var(--border);font-weight:800;padding:10px 14px}.tab.add:hover{background:#f9fafb}