/* csv-diff-checker.css */

.csv-input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1rem;
}
@media (max-width: 680px) {
  .csv-input-grid { grid-template-columns: 1fr; }
}

.csv-panel {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.csv-panel-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.csv-panel-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  flex: 1;
}

.btn-sm {
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
}

.csv-textarea {
  min-height: 200px;
  resize: vertical;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  line-height: 1.5;
  width: 100%;
  box-sizing: border-box;
}

.csv-file-info {
  font-size: 0.78rem;
  color: var(--text-muted);
  min-height: 1.2em;
}

.csv-options {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.inline-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.inline-group label {
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  margin: 0;
}

.inline-group select {
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
}

/* Stats bar */
.diff-stats {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.diff-stat {
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
}

.stat-added    { background: rgba(34, 197, 94, 0.15); color: #16a34a; border: 1px solid rgba(34, 197, 94, 0.3); }
.stat-removed  { background: rgba(239, 68, 68, 0.15); color: #dc2626; border: 1px solid rgba(239, 68, 68, 0.3); }
.stat-changed  { background: rgba(234, 179, 8, 0.15); color: #a16207; border: 1px solid rgba(234, 179, 8, 0.3); }
.stat-unchanged { background: var(--bg-secondary); color: var(--text-muted); border: 1px solid var(--border-color); }

/* Legend */
.csv-legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
  align-items: center;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
  flex-shrink: 0;
}

.legend-dot.added        { background: rgba(34, 197, 94, 0.5); }
.legend-dot.removed      { background: rgba(239, 68, 68, 0.5); }
.legend-dot.changed      { background: rgba(234, 179, 8, 0.4); }
.legend-dot.cell-changed { background: rgba(99, 102, 241, 0.45); }

/* Table */
.csv-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.csv-diff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

.csv-diff-table th {
  background: var(--bg-secondary);
  padding: 0.45rem 0.75rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}

.csv-diff-table td {
  padding: 0.35rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  white-space: pre;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: top;
}

.csv-diff-table tr.row-added   td { background: rgba(34, 197, 94, 0.1); }
.csv-diff-table tr.row-removed td { background: rgba(239, 68, 68, 0.1); text-decoration: line-through; opacity: 0.75; }
.csv-diff-table tr.row-changed td { background: rgba(234, 179, 8, 0.07); }

.csv-diff-table td.cell-changed {
  background: rgba(99, 102, 241, 0.15);
  border-left: 2px solid var(--color-primary);
}

.row-num {
  color: var(--text-muted);
  font-size: 0.72rem;
  user-select: none;
  text-align: right;
  padding-right: 0.5rem;
  min-width: 2.5rem;
}

.row-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 100px;
  user-select: none;
}

.badge-added   { background: rgba(34, 197, 94, 0.25); color: #16a34a; }
.badge-removed { background: rgba(239, 68, 68, 0.25); color: #dc2626; }
.badge-changed { background: rgba(234, 179, 8, 0.3);  color: #a16207; }