:root{
  --bg:#f4f5f6;
  --card:#fff;
  --border:#dde1e4;
  --text:#1a1d20;
  --muted:#6b7280;
  --primary:#0d6a5a;
  --primary-hover:#0a5448;
  --red:#c5402f;
  --green:#2e8b57;
  --amber:#c4882b;
  --purple:#7b5ba6;
  --radius:8px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}
h1{font-size:28px;font-weight:700}
h2{font-size:20px;font-weight:700}
h3{font-size:15px;font-weight:600}
p{margin:0}
a{color:var(--primary);text-decoration:none}

/* ---- Landing page ---- */
.landing-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg)}
.lp-container{max-width:520px;width:90%;text-align:center}
.lp-brand{font-size:14px;font-weight:700;color:var(--muted);letter-spacing:2px;margin-bottom:12px}
.lp-subtitle{color:var(--muted);margin:8px 0 36px}
.lp-cards{display:grid;gap:16px}
.lp-card{display:flex;align-items:center;justify-content:space-between;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;color:var(--text);transition:border-color .15s}
.lp-card:hover{border-color:var(--primary)}
.lp-card-soon{opacity:.5}
.lp-card h2{margin-bottom:4px}
.lp-card p{font-size:13px;color:var(--muted)}
.lp-card-arrow{font-size:13px;font-weight:600;color:var(--primary)}
.lp-card-arrow.muted{color:var(--muted)}

/* ---- Topbar ---- */
.topbar{height:56px;display:flex;align-items:center;gap:8px;padding:0 24px;background:var(--card);border-bottom:1px solid var(--border)}
.topbar-back{font-weight:700;color:var(--text)}
.topbar-sep{color:var(--muted)}
.topbar-current{color:var(--muted)}

/* ---- Container ---- */
.container{max-width:1200px;margin:0 auto;padding:32px 24px 64px}

/* ---- Section head ---- */
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.status-pill{font-size:12px;padding:5px 12px;border-radius:20px;background:#e8f0ed;color:var(--primary);white-space:nowrap}
.status-pill.bad{background:#fde9e6;color:var(--red)}

/* ---- Dropzone ---- */
.dropzone{text-align:center;border:2px dashed var(--border);border-radius:var(--radius);padding:32px;margin-bottom:20px}
.dropzone p{margin-bottom:4px}
.muted{color:var(--muted);font-size:12px}
.dropzone-buttons{display:flex;gap:8px;justify-content:center;margin-top:16px}

/* ---- Buttons ---- */
.btn{font:inherit;font-size:14px;font-weight:600;border-radius:var(--radius);padding:10px 20px;cursor:pointer;transition:background .15s;border:1px solid transparent;display:inline-flex;align-items:center;gap:6px}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover:not(:disabled){background:var(--primary-hover)}
.btn-outline{background:var(--card);color:var(--text);border-color:var(--border)}
.btn-outline:hover:not(:disabled){background:#f0f2f3}
.btn-sm{font-size:12px;padding:6px 14px}

/* ---- File cards ---- */
.file-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}
.file-card{border:1px solid var(--border);border-radius:var(--radius);padding:14px;min-width:0}
.file-card.ready{border-color:var(--primary);background:#f6fbf9}
.file-card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.file-card-head strong{font-size:13px}
.file-card-head span{font-size:11px;color:var(--muted)}
.file-card select{width:100%;margin:6px 0;border:1px solid var(--border);border-radius:5px;padding:7px;font:inherit;font-size:12px;background:var(--card)}
.file-card p{font-size:11px;color:var(--muted);overflow-wrap:anywhere}

/* ---- Generate bar ---- */
.generate-bar{display:flex;align-items:center;justify-content:space-between;gap:16px}
.alert{margin-top:16px;padding:12px 16px;border-radius:var(--radius);font-size:13px;background:#e8f0ed}
.alert.error{background:#fde9e6;color:var(--red)}

/* ---- Results ---- */
.results-head{display:flex;align-items:center;justify-content:space-between;margin:40px 0 20px}
.results-head .muted{margin-top:4px}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.metric{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.metric-accent{background:var(--primary);color:#fff;border-color:var(--primary)}
.metric p{font-size:12px;margin-bottom:8px;opacity:.8}
.metric strong{font-size:22px;font-weight:700}
.metric small{display:block;font-size:11px;opacity:.7;margin-top:6px}
.notice{font-size:12px;color:#6b6a3b;background:#faf9ed;border:1px solid #e8e4b8;border-radius:var(--radius);padding:12px 16px;margin:16px 0 24px}

/* ---- Table ---- */
.table-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.table-toolbar{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.table-toolbar .muted{margin-top:4px}
.table-filters{display:flex;gap:8px}
.table-filters input,.table-filters select{font:inherit;font-size:13px;border:1px solid var(--border);border-radius:5px;padding:8px;background:var(--card)}
.table-filters input{width:220px}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}
th{text-align:left;font-weight:600;font-size:11px;color:var(--muted);background:#f8f9fa;padding:10px 16px;border-bottom:1px solid var(--border)}
td{padding:10px 16px;border-bottom:1px solid #f0f1f2}
td small{display:block;color:var(--muted);margin-top:3px;font-size:11px}
td.item-cell{max-width:220px;white-space:normal}
td.item-cell small{max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.num{text-align:right;font-variant-numeric:tabular-nums}
.badge{padding:4px 8px;font-size:10px;font-weight:700;border-radius:4px;background:#f0f1f2;color:#6b7280}
.badge.bill{background:#e7f5ed;color:var(--green)}
.badge.unblock{background:#fdf3e0;color:var(--amber)}
.badge.hold{background:#f0eaf5;color:var(--purple)}

/* ---- Pagination ---- */
.pagination{padding:12px 20px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px}
.pagination-buttons{display:flex;gap:6px}

/* ---- Provenance ---- */
.provenance{margin-top:20px;font-size:12px}
.provenance summary{cursor:pointer;color:var(--muted)}
.provenance p{font-size:11px;color:var(--muted);margin-top:6px;overflow-wrap:anywhere}

/* ---- Empty state ---- */
.empty-state{text-align:center;padding:60px 20px}
.empty-state h3{color:var(--muted);margin-bottom:8px}
.empty-state p{color:var(--muted);font-size:13px}

/* ---- Footer ---- */
.footer{max-width:1200px;margin:0 auto;padding:20px 24px;border-top:1px solid var(--border);font-size:11px;color:var(--muted)}

[hidden]{display:none!important}

/* ---- Responsive ---- */
@media(max-width:900px){
  .file-cards{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .table-toolbar{flex-direction:column;align-items:stretch}
  .table-filters{flex-wrap:wrap}
  .table-filters input{width:100%}
}
@media(max-width:560px){
  .topbar{padding:0 16px}
  .container{padding:20px 16px 40px}
  .generate-bar{flex-direction:column;align-items:stretch}
  .results-head{flex-direction:column;gap:12px}
  .metrics{grid-template-columns:1fr}
}