* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f4f6f9;
  color: #1e2530;
  line-height: 1.5;
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

h1 { margin: 0 0 8px; font-size: 28px; }
.subtitle { margin: 0 0 24px; color: #5a6472; }

.card {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 1px 4px rgba(20, 30, 50, 0.08);
}

.card h2 { margin: 0 0 12px; font-size: 18px; }

.hidden { display: none; }

.drop-zone {
  border: 2px dashed #b8c2d0;
  border-radius: 10px;
  padding: 28px;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
}

.drop-zone.dragover {
  border-color: #3b6fe0;
  background: #eef3fd;
}

.drop-zone p { margin: 0 0 12px; }

.btn {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid #c4cdd9;
  border-radius: 8px;
  background: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn:hover { background: #f0f3f8; }

.btn-primary {
  background: #3b6fe0;
  border-color: #3b6fe0;
  color: #fff;
  margin-top: 16px;
}

.btn-primary:hover { background: #2f5cc4; }

.or-divider {
  text-align: center;
  color: #8b95a5;
  margin: 14px 0;
  font-size: 13px;
}

.url-row { display: flex; gap: 8px; }

.url-row input {
  flex: 1;
  padding: 9px 12px;
  border: 1px solid #c4cdd9;
  border-radius: 8px;
  font-size: 14px;
}

.status-line { min-height: 1em; margin: 10px 0 0; font-size: 14px; }
.status-line.error { color: #c0392b; }
.status-line.success { color: #1e8e4e; }

.mapping-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin: 12px 0;
}

.mapping-grid label { font-size: 13px; color: #5a6472; display: flex; flex-direction: column; gap: 4px; }

.mapping-grid select {
  padding: 8px;
  border: 1px solid #c4cdd9;
  border-radius: 8px;
  font-size: 14px;
}

.hint { font-size: 13px; color: #8b95a5; }

.filter-row { display: flex; gap: 8px; margin-bottom: 12px; }

.filter-btn {
  padding: 6px 14px;
  border: 1px solid #c4cdd9;
  border-radius: 999px;
  background: #fff;
  font-size: 13px;
  cursor: pointer;
}

.filter-btn.active { background: #3b6fe0; border-color: #3b6fe0; color: #fff; }

.table-wrap { overflow-x: auto; max-height: 420px; overflow-y: auto; border: 1px solid #e3e8ef; border-radius: 8px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }

th, td { padding: 8px 12px; text-align: left; border-bottom: 1px solid #e3e8ef; }

thead th { background: #f4f6f9; position: sticky; top: 0; }

tr.row-fixed { background: #f0faf4; }
tr.row-review { background: #fdf6e8; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  white-space: nowrap;
}

.badge-ok { background: #e8ecf2; color: #5a6472; }
.badge-fixed { background: #d3f2e0; color: #176b3d; }
.badge-review { background: #fbe8c3; color: #8a5a00; }

.changed { font-weight: 600; color: #176b3d; }