:root {
  --cream: #f4f5f6;
  --peach: #f1e5df;
  --rose: #c98a7c;
  --rust: #9f5d50;
  --ink: #202225;
  --muted: #697078;
  --line: #dde1e5;
  --green: #4f7463;
  --white: #ffffff;
  --shadow: 0 10px 28px rgba(26, 31, 36, .07);
}

body { background: #f4f5f6; }
.topbar { background: rgba(255, 255, 255, .96); }
.card { background: #fff; border-color: var(--line); border-radius: 20px; }
input, select { border-color: #cfd4d9; background: #fff; }
.tabs { background: #e9ecef; border: 1px solid #dfe3e6; }
.tabs button.active { background: #fff; box-shadow: 0 3px 10px rgba(26, 31, 36, .08); }
.hero-result { background: #fff; color: var(--ink); border-top: 4px solid var(--rose); }
.hero-result small { color: var(--muted); opacity: 1; }
.bar { background: #e9ecef; }
.bar i { background: var(--rose); }
.empty { background: #f3f4f5; }
.accent-card { background: #fff; border-left: 4px solid var(--rose); }
.history-metrics { border-color: var(--line); }
.history-metrics { grid-template-columns: repeat(4, 1fr); }

.profitability-line {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5px 16px;
  align-items: end;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.profitability-line span { color: var(--muted); }
.profitability-line strong { margin: 0; font-family: Inter, Arial, sans-serif; font-size: 20px; }
.profitability-line small { grid-column: 1 / -1; }
.supporting-results .metric { box-shadow: none; }
.chart-title { align-items: flex-start; gap: 18px; }
.chart-modes { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 5px; }
.chart-modes button { border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--muted); padding: 7px 10px; font-size: 11px; font-weight: 700; }
.chart-modes button.active { border-color: var(--rose); background: var(--peach); color: var(--ink); }
.cost-type { display: inline-block; margin-left: 7px; padding: 2px 6px; border-radius: 999px; background: var(--peach); color: var(--rust); font-size: 9px; font-style: normal; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.cost-type.regular { background: #edf0f2; color: var(--muted); }

@media(max-width:560px) {
  .chart-title { display: grid; }
  .chart-modes { justify-content: flex-start; }
  .chart-modes button { flex: 1; white-space: nowrap; }
  .profitability-line { grid-template-columns: 1fr; }
  .profitability-line small { grid-column: 1; }
}