:root {
  --bg: #f6f6f6;
  --card: #ffffff;
  --border: rgba(0, 0, 0, 0.12);
  --muted: rgba(0, 0, 0, 0.62);
  --text: rgba(0, 0, 0, 0.88);
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.wrap {
  max-width: 980px;
  margin: 32px auto;
  padding: 16px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

h1 {
  margin: 0 0 6px 0;
  font-size: 1.6rem;
}
h2 {
  margin: 0 0 12px 0;
  font-size: 1.2rem;
}
h3 {
  margin: 0 0 10px 0;
  font-size: 1.05rem;
}

.muted { color: var(--muted); }

.lang {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  border: 1px solid var(--border);
  background: transparent;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
}

.chip.active {
  background: rgba(0,0,0,0.06);
  border-color: rgba(0,0,0,0.35);
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}

form {
  display: grid;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 520px) {
  .row { grid-template-columns: 1fr; }
}

label {
  font-weight: 700;
  font-size: 0.95rem;
}

input, select {
  padding: 10px 12px;
  font-size: 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
}

small {
  font-size: 0.85rem;
}

button.primary {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-weight: 900;
  font-size: 1rem;
  background: rgba(0,0,0,0.06);
}

.result.hidden { display: none; }

.kpis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 520px) {
  .kpis { grid-template-columns: 1fr; }
}

.kpi {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(0,0,0,0.02);
}

.kpiLabel {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 700;
}

.kpiValue {
  font-size: 1.35rem;
  font-weight: 900;
  margin-top: 4px;
}

.kpiSub {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 14px 0;
}

.breakdown {
  margin: 0;
  padding-inline-start: 18px;
  display: grid;
  gap: 6px;
}

.ai {
  display: grid;
  gap: 10px;
}

.ai button {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-weight: 900;
  background: transparent;
}

.aiText {
  white-space: pre-wrap;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(0,0,0,0.02);
  min-height: 42px;
}

.foot {
  margin-top: 14px;
  font-size: 0.85rem;
}

/* Direction helpers (we set dir on <html>) */
html[dir="rtl"] .wrap, html[dir="rtl"] .card { text-align: right; }
html[dir="ltr"] .wrap, html[dir="ltr"] .card { text-align: left; }