:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1a1d23;
  --muted: #6b7280;
  --accent: #2563eb;
  --warn: #d97706;
  --bad: #dc2626;
  --good: #059669;
  --border: #e5e7eb;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.45;
}

header {
  padding: 24px 16px 8px;
}

header h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.02em;
}

main {
  padding: 8px 16px 32px;
  max-width: 760px;
  margin: 0 auto;
}

footer {
  padding: 16px;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.muted { color: var(--muted); font-size: 14px; }

h2 {
  font-size: 18px;
  margin: 24px 0 12px;
  letter-spacing: -0.01em;
}

section { margin-bottom: 8px; }

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}

.card .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.card .value { font-size: 20px; font-weight: 600; margin-top: 4px; }

.depto {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 8px;
  overflow: hidden;
}

.depto-header {
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.depto-header:hover { background: #fafbfc; }

.depto-num { font-weight: 600; font-size: 17px; }
.depto-saldo { font-weight: 600; font-variant-numeric: tabular-nums; }
.depto-saldo.cero { color: var(--good); }
.depto-saldo.deuda { color: var(--bad); }
.chevron {
  margin-left: 8px;
  color: var(--muted);
  transition: transform 0.15s;
}
.depto.open .chevron { transform: rotate(90deg); }

.depto-body {
  display: none;
  border-top: 1px solid var(--border);
  padding: 12px 16px;
}
.depto.open .depto-body { display: block; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
th, td {
  padding: 8px 6px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th { font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; }
td.num, th.num { text-align: right; }
.row-pagada td { color: var(--muted); }
.badge-pagada { color: var(--good); font-size: 12px; }
.badge-pendiente { color: var(--bad); font-size: 12px; font-weight: 600; }

button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text);
  margin-top: 8px;
}
button.ghost:hover { background: var(--card); }

#egresos-tabla { background: var(--card); border-radius: 12px; overflow: hidden; }
#egresos-tabla th, #egresos-tabla td { padding: 10px 12px; }

@media (min-width: 600px) {
  .cards { grid-template-columns: repeat(4, 1fr); }
}