:root {
  --bg: #0a0a0a;
  --panel: #111113;
  --panel-2: #16181b;
  --border: #2a2d31;
  --text: #f5f5f7;
  --muted: #9aa0a6;
  --accent: #10b981;
  --accent-strong: #0fae77;
  --warn: #f59e0b;
  --error: #ef4444;
  --ok: #10b981;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
h1 {
  font-family: 'Sora', sans-serif;
  font-size: 22px;
  margin: 0;
  font-weight: 800;
}
h1 span { color: var(--accent); }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
}
nav a:hover { color: var(--text); background: var(--panel-2); }
nav a.active { color: var(--accent); background: rgba(16, 185, 129, 0.1); }
.health { font-size: 13px; color: var(--muted); }
.health b { color: var(--text); }
main { max-width: 1200px; margin: 0 auto; padding: 32px; }
.drop {
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 56px 24px;
  text-align: center;
  background: var(--panel);
  cursor: pointer;
  transition: all 0.15s ease;
  display: block;
}
.drop:hover, .drop.dragover {
  border-color: var(--accent);
  background: rgba(16, 185, 129, 0.05);
}
.drop h2 {
  font-family: 'Sora', sans-serif;
  margin: 0 0 8px;
  font-size: 20px;
}
.drop p { margin: 0; color: var(--muted); font-size: 14px; }
.drop input { display: none; }
.status {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  display: none;
}
.status.show { display: block; }
.status.error { border-color: var(--error); color: #fecaca; }
.status.ok { border-color: var(--accent); }
.status.warn { border-color: var(--warn); color: #fde68a; }
.grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 20px;
  margin-top: 24px;
}
@media (max-width: 1000px) {
  .grid { grid-template-columns: 1fr; }
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
}
.card h3 {
  font-family: 'Sora', sans-serif;
  margin: 0 0 16px;
  font-size: 16px;
}
label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
input[type='text'],
input[type='number'],
input[type='date'],
select,
textarea {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 9px 12px;
  font: inherit;
  outline: none;
  transition: border-color 0.15s ease;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.row.three { grid-template-columns: 1fr 1fr 1fr; }
.lines { overflow-x: auto; }
.lines table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 900px;
}
.lines th, .lines td {
  padding: 6px 4px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}
.lines th {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.04em;
  font-weight: 600;
}
.lines input { padding: 5px 8px; font-size: 13px; }
.lines td.itemcode-mapeado input { background: rgba(16, 185, 129, 0.08); border-color: rgba(16, 185, 129, 0.4); }
.lines td.itemcode-sugerido input { background: rgba(99, 102, 241, 0.10); border-color: rgba(99, 102, 241, 0.45); }
.lines td.itemcode-sugerido-dudoso input { background: rgba(245, 158, 11, 0.10); border-color: rgba(245, 158, 11, 0.5); }
.lines td.itemcode-pendiente input { background: rgba(245, 158, 11, 0.08); border-color: rgba(245, 158, 11, 0.4); }
.lines td.desc-mismatch input {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.55);
  color: #fecaca;
}
.badge.sugerido { background: rgba(99, 102, 241, 0.18); color: #a5b4fc; }
.badge.ok { background: rgba(16, 185, 129, 0.18); color: var(--ok); }

/* === Detalle bajo cada línea: sugerencia IA + conversión de unidades === */
.lines tr.line-detail td {
  background: rgba(99, 102, 241, 0.04);
  border-bottom: 1px solid var(--border);
  border-top: none;
  padding: 4px 8px 10px;
}
.line-detail-cell {
  font-size: 12px;
}
.match-box {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.match-label {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 3px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.match-box b { color: var(--text); font-size: 13px; }
.match-grupo {
  font-size: 10px;
  color: var(--muted);
  background: var(--panel-2);
  padding: 1px 6px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.conv-box {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 4px;
  padding: 4px 8px;
  background: var(--panel-2);
  border-radius: 6px;
  font-size: 12px;
}
.conv-label {
  background: #6366f1;
  color: #fff;
  font-weight: 700;
  font-size: 9px;
  padding: 2px 7px;
  border-radius: 3px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.conv-box b { color: var(--text); }
.conv-arrow { color: var(--muted); font-weight: 700; padding: 0 2px; }
.conv-result { color: var(--accent); }
.conv-sep { color: var(--muted); padding: 0 4px; }
.match-reason {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 6px;
  padding-left: 4px;
  font-style: italic;
  line-height: 1.4;
}
.validate-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}
.btn-validate {
  background: rgba(16, 185, 129, 0.18);
  color: var(--accent);
  border: 1px solid rgba(16, 185, 129, 0.5);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.btn-validate:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.validate-hint {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
}
.validate-hint b { color: var(--text); }
.validate-saved {
  display: inline-block;
  padding: 5px 12px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(16, 185, 129, 0.4);
}
.warn-msg {
  font-size: 11px;
  color: var(--error);
  margin-top: 4px;
  padding: 3px 8px;
  background: rgba(239, 68, 68, 0.10);
  border-left: 2px solid var(--error);
  border-radius: 4px;
  display: block;
  line-height: 1.35;
}
.warn-msg b { color: #fecaca; }
.totals {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}
.actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}
button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 11px 18px;
  font: 600 14px 'Inter', sans-serif;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}
button:hover { background: var(--accent-strong); }
button:disabled { opacity: 0.4; cursor: not-allowed; }
button.secondary {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
}
button.secondary:hover { background: #1d2024; }
button.success {
  background: rgba(16, 185, 129, 0.18);
  color: var(--accent);
  border: 1px solid rgba(16, 185, 129, 0.4);
}
button.success:hover { background: rgba(16, 185, 129, 0.28); }
button.danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.4);
}
button.danger:hover { background: rgba(239, 68, 68, 0.25); }
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent);
}
.badge.warn { background: rgba(245, 158, 11, 0.12); color: var(--warn); }
.badge.error { background: rgba(239, 68, 68, 0.12); color: var(--error); }
.badge.muted { background: var(--panel-2); color: var(--muted); }
pre {
  background: #000;
  border-radius: 10px;
  padding: 14px;
  overflow: auto;
  font-size: 12px;
  max-height: 360px;
  border: 1px solid var(--border);
}
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.small { font-size: 12px; color: var(--muted); }
.removeRow {
  background: transparent;
  color: var(--error);
  padding: 4px 8px;
  font-weight: 700;
}
.removeRow:hover { background: rgba(239, 68, 68, 0.1); }
.hidden { display: none !important; }

/* batch */
.batch-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.batch-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}
.batch-item .meta { color: var(--muted); font-size: 12px; }
.progress-bar {
  height: 4px;
  background: var(--panel-2);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 12px;
}
.progress-bar-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.3s ease;
}
.summary-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 20px 0;
}
.summary-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}
.summary-card .num {
  font-family: 'Sora', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
}
.summary-card .lbl {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 4px;
}
.summary-card.warn .num { color: var(--warn); }
.summary-card.error .num { color: var(--error); }
.summary-card.muted .num { color: var(--muted); }

/* mapping page */
.mapping-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 16px;
}
.mapping-table th {
  text-align: left;
  padding: 10px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.mapping-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.mapping-table tr:hover { background: var(--panel-2); }
.supplier-section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 16px;
}
.supplier-section h4 {
  font-family: 'Sora', sans-serif;
  margin: 0;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.supplier-section h4 .chev { color: var(--muted); transition: transform 0.15s; }
.supplier-section.collapsed h4 .chev { transform: rotate(-90deg); }
.supplier-section.collapsed .supplier-body { display: none; }
.supplier-meta { color: var(--muted); font-size: 12px; margin-left: auto; }