/* Camada visual das calculadoras XRP — usa as variáveis e a identidade de styles.css */
:root {
  --calc-surface: #ffffff;
  --calc-muted: #f7f5fb;
  --calc-border: #ebe6f3;
  --calc-ink-soft: #6a6a6a;
  --calc-success: #14866d;
  --calc-warning: #b7791f;
  --calc-danger: #c53030;
}

.calculator-page {
  padding-top: calc(var(--header-height) + 2rem);
  min-height: 100vh;
  background: linear-gradient(180deg, #fbfaff 0%, #ffffff 32%, #ffffff 100%);
}

.calculator-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: var(--first-color);
  font-size: .875rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.calculator-breadcrumb .material-icons { font-size: 1.1rem; }

.calculator-hero {
  padding: 2.5rem 0 1.5rem;
}

.calculator-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr);
  gap: 2rem;
  align-items: end;
}

.calculator-kicker {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--second-color);
  font-size: .78rem;
  letter-spacing: .11em;
  text-transform: uppercase;
  font-weight: 800;
  margin-bottom: .75rem;
}

.calculator-kicker::before {
  content: '';
  width: 2.25rem;
  height: 2px;
  background: var(--gradient-color);
}

.calculator-hero h1 {
  margin: 0 0 .75rem;
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: -.035em;
}

.calculator-hero__description {
  max-width: 720px;
  color: var(--text-color-light);
  font-size: 1.06rem;
  line-height: 1.75;
  margin: 0;
}

.calculator-hero__note {
  padding: 1.1rem 1.2rem;
  border: 1px solid rgba(139, 61, 255, .14);
  border-radius: 1rem;
  background: rgba(255,255,255,.75);
  box-shadow: 0 14px 36px rgba(39, 24, 72, .06);
  color: var(--calc-ink-soft);
  font-size: .85rem;
  line-height: 1.55;
}

.calculator-hero__note strong { color: var(--title-color); display: block; margin-bottom: .25rem; }

.calculator-shell {
  display: grid;
  grid-template-columns: minmax(290px, .75fr) minmax(0, 1.25fr);
  gap: 1.5rem;
  align-items: start;
  padding: 1rem 0 4rem;
}

.calculator-card-panel,
.calculator-result-panel {
  background: var(--calc-surface);
  border: 1px solid var(--calc-border);
  border-radius: 1.25rem;
  box-shadow: 0 18px 50px rgba(38, 20, 72, .07);
}

.calculator-card-panel { padding: 1.35rem; position: sticky; top: 5.25rem; }
.calculator-result-panel { padding: 1.5rem; min-height: 420px; }

.panel-heading { margin-bottom: 1.2rem; }
.panel-heading h2 { font-size: 1.2rem; margin-bottom: .3rem; }
.panel-heading p { color: var(--calc-ink-soft); font-size: .86rem; margin: 0; }

.calculator-form { display: grid; gap: 1rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem; }
.form-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.field { display: grid; gap: .38rem; }
.field--full { grid-column: 1 / -1; }
.field label { color: var(--title-color); font-size: .82rem; font-weight: 700; }
.field small { color: var(--calc-ink-soft); font-size: .73rem; line-height: 1.35; }
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid #ddd7e8;
  border-radius: .65rem;
  padding: .78rem .82rem;
  background: #fff;
  color: var(--title-color);
  outline: none;
  transition: var(--transition);
}
.field textarea { min-height: 80px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--first-color); box-shadow: 0 0 0 3px rgba(139,61,255,.12); }
.field input[aria-invalid="true"], .field select[aria-invalid="true"] { border-color: var(--calc-danger); }

.input-prefix { position: relative; }
.input-prefix span { position: absolute; left: .82rem; top: 50%; transform: translateY(-50%); color: var(--calc-ink-soft); font-size: .85rem; pointer-events: none; }
.input-prefix input { padding-left: 2rem; }

.checkbox-list { display: grid; gap: .55rem; grid-template-columns: repeat(2, minmax(0,1fr)); }
.checkbox-item { display: flex; gap: .45rem; align-items: center; color: var(--text-color); font-size: .82rem; }
.checkbox-item input { accent-color: var(--first-color); }

.form-actions { display: flex; gap: .7rem; align-items: center; flex-wrap: wrap; margin-top: .25rem; }
.btn--small { padding: .72rem 1.1rem; font-size: .86rem; }
.btn--ghost { background: var(--calc-muted); color: var(--first-color); border: 1px solid var(--calc-border); }
.btn--ghost:hover { background: #eee9f8; box-shadow: none; }

.result-empty { min-height: 360px; display: grid; place-items: center; text-align: center; color: var(--calc-ink-soft); padding: 2rem; }
.result-empty .material-icons { font-size: 3.25rem; color: var(--first-color); opacity: .7; margin-bottom: .85rem; }
.result-empty h3 { font-size: 1.15rem; margin-bottom: .45rem; }
.result-empty p { max-width: 390px; font-size: .9rem; }

.result-header { display: flex; justify-content: space-between; gap: 1rem; align-items: start; margin-bottom: 1.15rem; }
.result-header h2 { font-size: 1.35rem; margin-bottom: .3rem; }
.result-header p { color: var(--calc-ink-soft); font-size: .86rem; margin: 0; }
.result-badge { background: #f0eaff; color: var(--first-color); border-radius: 999px; padding: .35rem .65rem; font-size: .72rem; font-weight: 800; white-space: nowrap; }

.metric-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: .75rem; margin-bottom: 1.15rem; }
.metric { border: 1px solid var(--calc-border); border-radius: .9rem; padding: .95rem; background: linear-gradient(180deg,#fff 0%,#fbfaff 100%); }
.metric__label { display: block; color: var(--calc-ink-soft); font-size: .73rem; line-height: 1.3; margin-bottom: .35rem; }
.metric__value { color: var(--title-color); font-size: clamp(1rem, 2vw, 1.35rem); font-weight: 800; font-family: var(--title-font); line-height: 1.25; }
.metric--highlight { background: linear-gradient(135deg, rgba(139,61,255,.1), rgba(255,46,146,.08)); border-color: rgba(139,61,255,.22); }
.metric--success .metric__value { color: var(--calc-success); }
.metric--warning .metric__value { color: var(--calc-warning); }

.result-section { margin-top: 1.2rem; }
.result-section h3 { font-size: 1rem; margin-bottom: .65rem; }
.result-note { border-left: 3px solid var(--first-color); padding: .7rem .85rem; background: #fbfaff; color: var(--calc-ink-soft); font-size: .82rem; line-height: 1.5; }
.formula { background: #24183a; color: #fff; border-radius: .75rem; padding: .8rem 1rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .82rem; overflow-x: auto; }

.table-wrap { overflow-x: auto; border: 1px solid var(--calc-border); border-radius: .75rem; }
.result-table { width: 100%; border-collapse: collapse; min-width: 520px; font-size: .8rem; }
.result-table th, .result-table td { padding: .7rem .75rem; text-align: left; border-bottom: 1px solid #f0edf5; }
.result-table th { background: #fbfaff; color: var(--calc-ink-soft); font-weight: 700; white-space: nowrap; }
.result-table tr:last-child td { border-bottom: 0; }
.result-table td strong { color: var(--title-color); }

.chart-box { border: 1px solid var(--calc-border); border-radius: .9rem; padding: .65rem; background: #fff; margin-top: .9rem; }
.chart-box canvas { display: block; width: 100%; height: 250px; }
.chart-legend { display: flex; gap: 1rem; flex-wrap: wrap; color: var(--calc-ink-soft); font-size: .75rem; padding: .4rem .45rem 0; }
.legend-dot { width: .6rem; height: .6rem; border-radius: 50%; display: inline-block; margin-right: .25rem; }

.cta-card { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1.35rem; padding: 1rem 1.1rem; border-radius: .95rem; background: linear-gradient(135deg, rgba(139,61,255,.1), rgba(255,46,146,.08)); border: 1px solid rgba(139,61,255,.14); }
.cta-card strong { display: block; font-size: .88rem; margin-bottom: .2rem; }
.cta-card span { display: block; color: var(--calc-ink-soft); font-size: .77rem; }
.cta-card .btn { flex-shrink: 0; }

.alert { border-radius: .7rem; padding: .7rem .8rem; font-size: .82rem; line-height: 1.45; }
.alert--error { background: #fff5f5; border: 1px solid #fed7d7; color: #9b2c2c; }
.alert--info { background: #f5f1ff; border: 1px solid #e6ddff; color: #5b3b99; }

.rate-status { color: var(--calc-success); font-size: .76rem; margin-top: -.45rem; }
.disclaimer { color: #7a7287; font-size: .73rem; line-height: 1.45; margin-top: 1.25rem; }

@media screen and (max-width: 900px) {
  .calculator-hero__grid, .calculator-shell { grid-template-columns: 1fr; }
  .calculator-card-panel { position: static; }
}

@media screen and (max-width: 600px) {
  .calculator-page { padding-top: calc(var(--header-height) + 1rem); }
  .calculator-hero { padding-top: 1.3rem; }
  .calculator-shell { padding-bottom: 2.5rem; }
  .calculator-card-panel, .calculator-result-panel { padding: 1rem; border-radius: 1rem; }
  .form-grid, .form-grid--3, .metric-grid, .checkbox-list { grid-template-columns: 1fr; }
  .field--full { grid-column: auto; }
  .result-header, .cta-card { flex-direction: column; align-items: stretch; }
  .cta-card .btn { width: 100%; }
  .result-empty { min-height: 280px; }
}


/* Refinamento de UX inspirado em boas referências de calculadoras financeiras,
   mantendo a estética XRP e os contratos do CSS oficial do site. */
.calculator-shell { max-width: 1240px; }
.calculator-card-panel { border-top: 4px solid var(--first-color); }
.calculator-result-panel { border-top: 4px solid var(--second-color); }
.calculator-form > .form-grid { align-items: start; }
.api-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 1rem; background: linear-gradient(135deg, rgba(139,61,255,.08), rgba(255,46,146,.06)); border: 1px solid rgba(139,61,255,.16); border-radius: .85rem; }
.api-toolbar strong { display: block; color: var(--title-color); font-size: .85rem; margin-bottom: .2rem; }
.api-toolbar small { display: block; color: var(--calc-ink-soft); font-size: .74rem; line-height: 1.45; max-width: 420px; }
.stock-input-group { padding: .85rem; border: 1px solid var(--calc-border); border-radius: .9rem; background: #fff; }
.stock-input-group > label { color: var(--first-color); font-family: var(--title-font); font-size: .92rem; }
.stock-input-group .form-grid { margin-top: .7rem; }
.stock-input-group small { display: block; color: var(--calc-ink-soft); font-size: .72rem; margin-top: .2rem; }
.result-table td small { display: block; color: var(--calc-ink-soft); font-size: .7rem; margin-top: .15rem; }
.calculator-guide { padding: 0 0 4.5rem; }
.calculator-guide__header { text-align: center; max-width: 680px; margin: 0 auto 1.4rem; }
.calculator-guide__header h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin-bottom: .45rem; }
.calculator-guide__header p { color: var(--calc-ink-soft); font-size: .9rem; }
.calculator-guide__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.calculator-guide__item { padding: 1.15rem; border: 1px solid var(--calc-border); border-radius: .95rem; background: rgba(255,255,255,.86); box-shadow: 0 10px 30px rgba(38,20,72,.04); }
.calculator-guide__number { display: inline-grid; place-items: center; width: 2rem; height: 2rem; margin-bottom: .7rem; border-radius: 50%; background: var(--gradient-color); color: #fff; font-weight: 800; font-size: .8rem; }
.calculator-guide__item h3 { font-size: .98rem; margin-bottom: .35rem; }
.calculator-guide__item p { color: var(--calc-ink-soft); font-size: .8rem; line-height: 1.5; }
.calculator-source-note { max-width: 1240px; margin: -2rem auto 3rem; padding: 0 1rem; color: #80768c; font-size: .72rem; line-height: 1.5; }
.footer.section { margin-top: 0; }
.footer__contact-link { color: #fff !important; font-weight: 600; }
.footer__contact-link:hover { color: var(--second-color) !important; }
@media screen and (max-width: 900px) {
  .calculator-guide__grid { grid-template-columns: 1fr; }
  .api-toolbar { align-items: stretch; flex-direction: column; }
  .api-toolbar .btn { width: 100%; }
}


/* Botões refinados para as calculadoras */
.calculator-form .form-actions { gap: .75rem; margin-top: .5rem; }
.calculator-form .form-actions .btn { min-height: 48px; border-radius: .82rem; font-family: var(--body-font); font-weight: 800; letter-spacing: -.01em; display: inline-flex; align-items: center; justify-content: center; gap: .45rem; transition: transform .22s ease, box-shadow .22s ease, background .22s ease; }
.calculator-form .form-actions .btn--primary { flex: 1 1 190px; color: #fff; background: linear-gradient(115deg, #7838ee 0%, #9b3df4 48%, #f22b92 100%); border: 0; box-shadow: 0 10px 22px rgba(139,61,255,.22); }
.calculator-form .form-actions .btn--primary:hover { transform: translateY(-2px); box-shadow: 0 15px 30px rgba(139,61,255,.3); }
.calculator-form .form-actions .btn--primary:active { transform: translateY(0); box-shadow: 0 6px 15px rgba(139,61,255,.2); }
.calculator-form .form-actions .btn--primary .material-icons { font-size: 1.16rem; }
.calculator-form .form-actions .btn--ghost { flex: 0 1 auto; min-width: 92px; color: #7257a6; background: #faf8ff; border: 1px solid #e7ddf8; box-shadow: none; }
.calculator-form .form-actions .btn--ghost:hover { color: var(--first-color); background: #f2ecff; border-color: rgba(139,61,255,.3); transform: translateY(-1px); }
.api-toolbar__actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: .5rem; }
.api-toolbar__actions .btn { display: inline-flex; align-items: center; justify-content: center; gap: .35rem; white-space: nowrap; }
.api-toolbar__actions .btn--primary { color: #fff; background: linear-gradient(115deg, #7838ee 0%, #9b3df4 48%, #f22b92 100%); border: 0; box-shadow: 0 8px 18px rgba(139,61,255,.18); }
.api-toolbar__actions .btn--primary:hover { transform: translateY(-1px); box-shadow: 0 12px 24px rgba(139,61,255,.25); }
.api-config { padding: 1rem; border: 1px solid #e5dbf7; border-radius: .9rem; background: #fcfaff; }
.api-config__actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .7rem; }
.alert--warning { background: #fff9ed; border: 1px solid #f4dfb0; color: #8a5b12; }
@media screen and (max-width: 600px) {
  .calculator-form .form-actions .btn--primary, .calculator-form .form-actions .btn--ghost { flex: 1 1 100%; width: 100%; }
  .api-toolbar__actions, .api-config__actions { width: 100%; }
  .api-toolbar__actions .btn, .api-config__actions .btn { flex: 1 1 100%; width: 100%; }
}