/* ═══════════════════════════════════════════════════════════
   RAMBU — Panel UI (Redesigned)
   Clean data card for road-sign metrics: stats grid → filter
   pills → data file. Dark = default; light overrides at bottom.
   ═══════════════════════════════════════════════════════════ */

/* ── Stats grid ────────────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}
.stats-row.triple { grid-template-columns: 1fr 1fr 1fr; }

.stat-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 12px 14px;
  text-align: center;
  transition: all var(--transition-base);
}
.stat-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-tertiary);
}

.stat-card .label {
  font-size: 9px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.3;
}
.stat-card .value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  font-family: 'Fira Code', 'Fira Sans', monospace;
  line-height: 1.2;
}
.stat-card .value.red    { color: #F87171; }
.stat-card .value.purple { color: #C4B5FD; }
.stat-card .value.blue   { color: #60A5FA; }
.stat-card .value.orange { color: #FBBF24; }

/* ── Sections ──────────────────────────────────────────────── */
.section { margin-bottom: 18px; }
.section:last-child { margin-bottom: 0; }

.section-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin: 0 0 10px;
}

/* ── Filter pills (Kelas Jalan I / II / III) ───────────────── */
.filter-group { margin-bottom: 4px; }
.filter-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}
.filter-options {
  display: flex;
  gap: 6px;
}

.filter-btn {
  flex: 1;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 150ms ease;
}
.filter-btn:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}
.filter-btn.active {
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  border-color: #2563EB;
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.35);
}

#filter-count {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 10px;
}
#filter-count strong { color: var(--text-primary); }

/* ── Data file ─────────────────────────────────────────────── */
#file-drop {
  border: 1.5px dashed var(--border-default);
  border-radius: 10px;
  padding: 16px 14px;
  text-align: center;
  cursor: pointer;
  transition: all 150ms ease;
  background: var(--bg-elevated);
}
#file-drop:hover {
  border-color: #3B82F6;
  background: rgba(37, 99, 235, 0.05);
}
#file-drop p {
  font-size: 11px;
  color: var(--text-muted);
  margin: 0;
}
#file-drop strong { color: var(--text-primary); }
#file-drop .status {
  font-size: 10px;
  margin-top: 6px;
}
#file-drop .status.ok      { color: #22C55E; }
#file-drop .status.err     { color: #EF4444; }
#file-drop .status.loading { color: #F59E0B; }

/* ═══════════════════════════════════════════════════════════
   Light Theme Overrides
   ═══════════════════════════════════════════════════════════ */
body.light .stat-card { background: #FFFFFF; border-color: #E2E8F0; }
body.light .stat-card:hover { background: #F8FAFC; border-color: #CBD5E1; }
body.light .stat-card .value.red    { color: #DC2626; }
body.light .stat-card .value.purple { color: #7C3AED; }
body.light .stat-card .value.blue   { color: #2563EB; }
body.light .stat-card .value.orange { color: #D97706; }

body.light .section-title { color: #64748B; }

body.light .filter-btn {
  background: #FFFFFF;
  border-color: #E2E8F0;
  color: #64748B;
}
body.light .filter-btn:hover {
  border-color: #CBD5E1;
  color: #0F172A;
}
body.light .filter-btn.active {
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  border-color: #2563EB;
  color: #FFFFFF;
}

body.light #filter-count { color: #64748B; }
body.light #filter-count strong { color: #0F172A; }

body.light #file-drop { background: #F8FAFC; border-color: #CBD5E1; }
body.light #file-drop:hover { background: #EFF6FF; }
body.light #file-drop p { color: #64748B; }
body.light #file-drop strong { color: #0F172A; }