:root{
  --bg:#f6f8fb; --card:#ffffff; --muted:#6b7280; --accent:#2563eb; --success:#16a34a; --warn:#f59e0b; --danger:#dc2626;
  --radius:10px; --gap:16px; --max-width:1100px; --font-sans:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}
*{box-sizing:border-box}
body{font-family:var(--font-sans);margin:0;background:linear-gradient(180deg,#f8fafc, #f5f7fb);color:#0f172a}
.container{max-width:var(--max-width);margin:0 auto;padding:20px}
.site-header{padding:18px 0;border-bottom:1px solid rgba(15,23,42,0.06);background:transparent}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{margin:0;font-size:1.25rem;font-weight:700;letter-spacing:0.2px}
.tag{margin:4px 0 0;color:var(--muted);font-size:0.85rem}
.site-nav{display:flex;gap:12px;align-items:center}
.site-nav a{color:var(--muted);text-decoration:none;padding:8px 12px;border-radius:8px;font-weight:600;border:1px solid transparent}
.site-nav a:hover{color:var(--accent);background:rgba(37,99,235,0.06);border-color:rgba(37,99,235,0.08)}
.site-nav a.active{background:var(--accent);color:white;border-color:transparent}
.card{background:var(--card);border-radius:var(--radius);padding:18px;margin:18px 0;box-shadow:0 6px 18px rgba(15,23,42,0.06)}
.small{padding:12px}
.dropzone{border:2px dashed rgba(15,23,42,0.06);padding:28px;border-radius:12px;display:flex;align-items:center;justify-content:center;transition:box-shadow 0.15s,background 0.15s}
.dropzone.dragover{box-shadow:0 8px 24px rgba(37,99,235,0.12);background:linear-gradient(90deg,#fff,#f8fbff)}
.drop-inner p{margin:0;font-size:1rem}
.link-btn{background:none;border:none;color:var(--accent);text-decoration:underline;cursor:pointer;padding:0}
.file-list{margin-top:12px}
.file-item{display:flex;align-items:center;justify-content:space-between;padding:10px;border-radius:8px;border:1px solid rgba(15,23,42,0.04);margin-bottom:8px}
.file-meta{display:flex;gap:12px;align-items:center}
.status{font-weight:600;padding:6px 8px;border-radius:6px;color:white;font-size:0.8rem}
.status.queued{background:gray}
.status.processing{background:var(--warn)}
.status.done{background:var(--success)}
.status.error{background:var(--danger)}
.controls{display:flex;gap:10px;align-items:center;margin-top:12px}
.btn{padding:8px 12px;border-radius:8px;border:1px solid rgba(15,23,42,0.06);background:white;cursor:pointer}
.btn.primary{background:var(--accent);color:white;border:none}
.progress-wrap{flex:1;height:8px;background:#eef2ff;border-radius:999px;overflow:hidden}
.progress{height:100%;width:0;background:linear-gradient(90deg,var(--accent),#60a5fa)}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:0.95rem}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid rgba(15,23,42,0.04)}
@media (max-width:720px){
  .controls{flex-direction:column;align-items:stretch}
  table{font-size:0.8rem}
}

.spinner{width:18px;height:18px;border:3px solid rgba(0,0,0,0.08);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}