.tool-page { max-width: 920px; }
.tool-kicker {
  margin: 0 0 7px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.calculator-shell {
  margin: 28px 0 38px;
  padding: 24px;
  background: linear-gradient(145deg, #111a2e, #0e1728);
  border: 1px solid #2b3a55;
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
}
.calculator-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}
.calculator-heading h2 { border: 0; margin: 0 0 4px; padding: 0; }
.calculator-heading p { margin: 0; font-size: 13px; }

.mode-toggle {
  display: flex;
  flex: 0 0 auto;
  gap: 4px;
  padding: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.mode-button {
  appearance: none;
  border: 0;
  border-radius: 7px;
  padding: 8px 13px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.mode-button.active { background: var(--accent); color: var(--accent-ink); }
.mode-button:focus-visible, .calculate-button:focus-visible { outline: 3px solid #c7d2fe; outline-offset: 3px; }

.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field-grid--three { grid-template-columns: repeat(3, 1fr); }
.calc-field { display: block; margin-bottom: 17px; }
.calc-field > span:first-child {
  display: block;
  margin-bottom: 7px;
  color: var(--text);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.02em;
}
.calc-field small { color: var(--muted); font-weight: 500; }
.calc-field input {
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  background: #0b1323;
  border: 1px solid #334155;
  border-radius: 10px;
  color: var(--text);
  font: inherit;
  font-size: 15px;
}
.calc-field input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.calc-field--leverage { max-width: calc(50% - 8px); }
.input-wrap { display: flex !important; align-items: center; position: relative; margin: 0 !important; }
.input-prefix, .input-suffix {
  position: absolute;
  z-index: 1;
  color: var(--muted);
  font-size: 14px;
  pointer-events: none;
}
.input-prefix { left: 13px; }
.input-suffix { right: 13px; }
.input-wrap:has(.input-prefix) input { padding-left: 28px; }
.input-wrap:has(.input-suffix) input { padding-right: 32px; }

.form-error {
  margin: 0 0 13px;
  padding: 10px 12px;
  color: #fecaca;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.35);
  border-radius: 9px;
  font-size: 13px;
}
.calculate-button {
  width: 100%;
  min-height: 50px;
  border: 0;
  border-radius: 11px;
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}
.calculate-button:hover { background: #949ffb; }

.calculation-result {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.result-label { margin: 0; color: var(--muted); font-size: 12px; font-weight: 750; text-transform: uppercase; letter-spacing: 0.06em; }
.result-primary { margin: 2px 0 18px; color: var(--accent); font-size: clamp(34px, 7vw, 48px); font-weight: 850; letter-spacing: -0.04em; line-height: 1.1; }
.result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--border); border-radius: 12px; background: var(--border); }
.result-grid > div { padding: 13px 15px; background: var(--surface); }
.result-grid span { display: block; color: var(--muted); font-size: 11px; margin-bottom: 3px; }
.result-grid strong { font-size: 15px; }

.journal-result-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-top: 18px;
  padding: 18px;
  background: rgba(52, 211, 153, 0.09);
  border: 1px solid rgba(52, 211, 153, 0.36);
  border-radius: 13px;
}
.journal-result-card p { margin: 0; font-size: 13px; }
.journal-result-card .journal-result-title { color: var(--text); font-size: 15px; font-weight: 800; margin-bottom: 3px; }
.journal-result-link { flex: 0 0 auto; color: var(--cta-green); font-size: 13px; font-weight: 800; }

.tool-explainer { max-width: 760px; }
.formula { padding: 13px 16px; background: var(--surface); border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0; }
.tool-disclaimer { margin-top: 34px; font-size: 13px; }
[hidden] { display: none !important; }

@media (max-width: 680px) {
  .calculator-shell { padding: 19px; }
  .calculator-heading { display: block; }
  .mode-toggle { width: 100%; margin-top: 16px; }
  .mode-button { flex: 1; }
  .field-grid, .field-grid--three { grid-template-columns: 1fr; gap: 0; }
  .calc-field--leverage { max-width: none; }
  .journal-result-card { display: block; }
  .journal-result-link { display: inline-block; margin-top: 13px; }
}

@media (max-width: 440px) {
  .result-grid { grid-template-columns: 1fr; }
}