/* Layout des Excel-Vergleichs: Steuerung links, Ergebnis rechts. */

.compare-app {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 16px;
  padding: 16px;
  max-width: 1500px;
  margin: 0 auto;
}

.sidebar { display: flex; flex-direction: column; gap: 12px; }

.file-drop { padding: 18px 16px; gap: 4px; }
.file-drop strong { color: var(--text); }
.file-drop.loaded { border-style: solid; border-color: var(--accent-2); color: var(--text); }
.file-drop span { font-size: 0.8rem; word-break: break-all; }

.demo-box { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.demo-links { display: flex; flex-direction: column; gap: 4px; margin: 6px 0; }
.demo-link { font-size: 0.82rem; }

.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
select {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  width: 100%;
}
select:disabled { opacity: 0.5; }

.status { font-size: 0.85rem; margin: 0; min-height: 1.4em; }
.status.working { color: var(--accent); }
.status.error { color: var(--danger); }

/* Ergebnis */
.results { min-width: 0; }

.placeholder-box {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  color: var(--text-dim);
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--surface);
}
.stat-card .num { font-size: 1.7rem; font-weight: 700; line-height: 1.1; }
.stat-card .label { font-size: 0.78rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.stat-card.added .num { color: var(--accent-2); }
.stat-card.removed .num { color: var(--danger); }
.stat-card.changed .num { color: var(--accent-3); }
.stat-card.unchanged .num { color: var(--text-dim); }

.interpretation { margin-bottom: 16px; }
.interpretation ul { margin: 0; padding-left: 18px; }
.interpretation li { margin-bottom: 6px; font-size: 0.92rem; }

/* Tabs + Tabelle */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.tab {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-dim);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
}
.tab.active { border-color: var(--accent); color: var(--text); background: rgb(79 140 255 / 0.12); }

.table-scroll { overflow: auto; max-height: 60vh; border: 1px solid var(--border); border-radius: var(--radius-sm); }

table.diff { border-collapse: collapse; width: 100%; font-size: 0.85rem; }
table.diff th, table.diff td {
  border-bottom: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
  white-space: nowrap;
}
table.diff th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  color: var(--text-dim);
  font-weight: 600;
  z-index: 1;
}
table.diff tr:hover td { background: rgb(127 127 127 / 0.08); }

.cell-old { color: var(--danger); text-decoration: line-through; opacity: 0.85; }
.cell-new { color: var(--accent-2); }
.cell-arrow { color: var(--text-dim); padding: 0 4px; }

/* Ähnlichkeit bei Textänderungen */
.sim-high, .sim-mid, .sim-low { font-family: var(--mono); font-weight: 600; }
.sim-high { color: var(--accent-2); }
.sim-mid { color: var(--accent-3); }
.sim-low { color: var(--danger); }
.sim-na { color: var(--text-dim); }

td.col-key { font-family: var(--mono); color: var(--text); }
.empty-note { padding: 20px; color: var(--text-dim); font-size: 0.9rem; }

@media (max-width: 1000px) {
  .compare-app { grid-template-columns: 1fr; }
}