:root{--bg: #f0f2f8;--bg-accent: radial-gradient(ellipse 80% 60% at 50% -10%, #e8ecff 0%, transparent 70%);--surface: #ffffff;--text: #1a1d2e;--text-muted: #6b7280;--border: #e5e7ef;--primary: #4c5fd7;--primary-hover: #3f51c4;--primary-soft: #eef0ff;--accent: #c9a227;--accent-soft: #faf5e6;--success: #2f9e44;--error: #c92a2a;--shadow: 0 4px 24px rgba(30, 40, 90, .08);--radius: 14px;--radius-sm: 10px}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);background-image:var(--bg-accent);color:var(--text);line-height:1.5}#app{min-height:100vh}.muted{color:var(--text-muted);font-size:.875rem}.layout{max-width:1080px;margin:0 auto;padding:28px 20px 48px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-box{width:100%;max-width:400px;padding:32px}.login-brand{text-align:center;margin-bottom:28px}.login-brand h2{margin:12px 0 6px;font-size:1.35rem;font-weight:600}.brand-icon{width:56px;height:56px;margin:0 auto;border-radius:16px;background:linear-gradient(135deg,var(--primary) 0%,#6b7ae8 100%);color:#fff;font-size:1.5rem;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px #4c5fd759}.brand-icon.sm{width:44px;height:44px;font-size:1.2rem;border-radius:12px;margin:0;flex-shrink:0}.field{display:block;margin-bottom:16px}.field span{display:block;font-size:.8125rem;font-weight:500;color:var(--text-muted);margin-bottom:6px}.app-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}.header-brand{display:flex;align-items:center;gap:14px}.header-brand h1{margin:0;font-size:1.4rem;font-weight:600}.header-brand .muted{margin:2px 0 0}.header-actions{display:flex;align-items:center;gap:10px}.user-chip{padding:6px 14px;background:var(--primary-soft);color:var(--primary);border-radius:999px;font-size:.875rem;font-weight:500}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);margin-bottom:20px}.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.card-head h2{margin:0;font-size:1.05rem;font-weight:600}.card-foot{display:flex;align-items:center;gap:12px;margin-top:14px;flex-wrap:wrap}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media(max-width:860px){.grid{grid-template-columns:1fr}}button,.btn-primary{font-family:inherit;font-size:.875rem;font-weight:500;border:none;border-radius:var(--radius-sm);padding:9px 18px;cursor:pointer;transition:background .15s,transform .1s,box-shadow .15s}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px #4c5fd74d}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-primary:active:not(:disabled){transform:translateY(1px)}.btn-primary:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.btn-block{width:100%;padding:11px 18px;margin-top:4px}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border);padding:7px 14px}.btn-ghost:hover:not(:disabled){background:#f8f9fc;color:var(--text)}.btn-ghost:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:6px 14px;font-size:.8125rem;text-decoration:none;display:inline-block}input,textarea{width:100%;font-family:inherit;font-size:.9375rem;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fafbfe;color:var(--text);transition:border-color .15s,box-shadow .15s}input:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4c5fd726;background:#fff}textarea{min-height:220px;font-family:Cascadia Code,Consolas,monospace;font-size:.8125rem;line-height:1.55;resize:vertical}.pack-list{display:flex;flex-direction:column;gap:12px}.pack-item{padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fafbfe;cursor:pointer;transition:border-color .15s,box-shadow .15s}.pack-item:hover{border-color:#b8c2f0}.pack-item.highlight{border-color:#d4daf8;background:linear-gradient(135deg,#f8f9ff,#faf5e6)}.pack-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}.pack-top strong{color:var(--text);font-size:.9375rem}.pack-meta{font-size:.875rem;color:var(--text-muted);margin-bottom:10px}.pack-meta strong{color:var(--primary);font-size:1rem}.progress-track{height:6px;background:#e8eaf3;border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),#7b8cef);border-radius:999px;transition:width .4s ease}.pack-item.highlight .progress-fill{background:linear-gradient(90deg,var(--primary),var(--accent))}.section-hint{margin:-8px 0 14px;font-size:.8125rem}.engine-options{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}.engine-option{display:flex;gap:12px;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fafbfe;cursor:pointer;transition:border-color .15s,background .15s,box-shadow .15s}.engine-option:hover{border-color:#b8c2f0;background:#f5f7ff}.engine-option.active{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 0 0 1px #4c5fd726}.engine-option input{width:auto;margin:4px 0 0;accent-color:var(--primary)}.engine-option-body{flex:1;min-width:0}.engine-option-title{font-weight:600;font-size:.9375rem;margin-bottom:2px}.engine-option-desc{font-size:.8125rem;color:var(--text-muted);line-height:1.45}.engine-option-meta{margin-top:6px;font-size:.75rem}.dropzone{position:relative;border:2px dashed #cdd2e8;border-radius:var(--radius);padding:32px 20px;text-align:center;cursor:pointer;background:#fafbfe;transition:border-color .2s,background .2s,box-shadow .2s;-webkit-user-select:none;user-select:none}.dropzone:hover{border-color:#a8b2e8;background:#f5f7ff}.dropzone.dragging{border-color:var(--primary);background:var(--primary-soft);box-shadow:inset 0 0 0 1px #4c5fd733}.dropzone.filled{border-style:solid;border-color:#c8d0f5;background:#f8f9ff}.file-input{position:absolute;width:0;height:0;opacity:0;pointer-events:none}.dropzone-icon{width:48px;height:48px;margin:0 auto 12px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:1.4rem;display:flex;align-items:center;justify-content:center;font-weight:600}.dropzone-icon.filled{background:linear-gradient(135deg,var(--primary),#7b8cef);color:#fff;font-size:1.6rem}.dropzone-title{margin:0 0 4px;font-weight:600;font-size:.9375rem;word-break:break-all}.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:.75rem;font-weight:500}.badge-accent{background:var(--accent-soft);color:#8a6914}.badge-success{background:#e6f7ed;color:var(--success)}.badge-running{background:#e8ecff;color:var(--primary)}.badge-error{background:#ffe8e8;color:var(--error)}.badge-muted{background:#f0f1f5;color:var(--text-muted)}.result{white-space:pre-wrap;background:#f8f9fc;border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;min-height:200px;max-height:480px;overflow:auto;font-size:.9375rem;line-height:1.7}.result.empty{color:var(--text-muted);display:flex;align-items:center;justify-content:center}.result-hint{margin:10px 0 0}.empty-hint{text-align:center;padding:24px;color:var(--text-muted);font-size:.875rem}.status{font-size:.8125rem;color:var(--text-muted)}.status.ok{color:var(--success)}.error{color:var(--error);font-size:.8125rem;margin:10px 0 0}