:root {
  --bg: #f4f2ee;
  --surface: #ffffff;
  --text: #1a1a1a;
  --text-muted: #5a564f;
  --border: #d9d4c9;
  --accent: #d9540a;
  --accent-text: #ffffff;
  --success-bg: #16653d;
  --success-fg: #ffffff;
  --danger-bg: #b3221c;
  --danger-fg: #ffffff;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17130f;
    --surface: #241f19;
    --text: #f5f1ea;
    --text-muted: #b8b0a3;
    --border: #3a332a;
    --accent: #ff7a1a;
    --accent-text: #1a1200;
    --success-bg: #1f8a52;
    --success-fg: #ffffff;
    --danger-bg: #d6392f;
    --danger-fg: #ffffff;
  }
}

:root[data-theme="dark"] {
  --bg: #17130f;
  --surface: #241f19;
  --text: #f5f1ea;
  --text-muted: #b8b0a3;
  --border: #3a332a;
  --accent: #ff7a1a;
  --accent-text: #1a1200;
  --success-bg: #1f8a52;
  --success-fg: #ffffff;
  --danger-bg: #d6392f;
  --danger-fg: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.4;
  -webkit-text-size-adjust: 100%;
}

.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 20px 16px 48px;
}

header.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

h1 {
  font-size: 1.5rem;
  margin: 0;
  line-height: 1.2;
}

.subheadline {
  color: var(--text-muted);
  margin: 4px 0 20px;
  font-size: 1rem;
}

button.icon-button {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1.4rem;
  padding: 8px 12px;
  cursor: pointer;
  flex-shrink: 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  margin-bottom: 16px;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.field {
  margin-bottom: 16px;
}

.field small {
  display: block;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 4px;
  font-size: 0.82rem;
}

input[type="number"] {
  width: 100%;
  font-size: 1.15rem;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  appearance: textfield;
}

input[type="number"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: var(--radius);
  padding: 16px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 56px;
}

.btn-primary:active {
  transform: scale(0.99);
}

.btn-secondary {
  width: 100%;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 48px;
}

.error-msg {
  color: var(--danger-bg);
  font-weight: 600;
  margin-top: -8px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.hidden {
  display: none !important;
}

.result-card {
  border: none;
  padding: 0;
  overflow: hidden;
}

.result-decision {
  padding: 22px 16px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.result-decision.vale {
  background: var(--success-bg);
  color: var(--success-fg);
}

.result-decision.nao-vale {
  background: var(--danger-bg);
  color: var(--danger-fg);
}

.result-body {
  background: var(--surface);
  padding: 20px 16px;
  border: 1px solid var(--border);
  border-top: none;
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
}

.lucro-estimado {
  text-align: center;
  margin-bottom: 18px;
}

.lucro-estimado .valor {
  font-size: 2.1rem;
  font-weight: 800;
  display: block;
}

.lucro-estimado .rotulo {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.metricas {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.metrica {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
}

.metrica .valor {
  font-size: 1.2rem;
  font-weight: 700;
  display: block;
}

.metrica .rotulo {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.explicacao {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.valor-minimo {
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.valor-minimo strong {
  display: block;
  font-size: 1.15rem;
  margin-top: 2px;
}

.config-intro {
  margin-bottom: 16px;
}

.config-intro-title {
  font-weight: 700;
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.config-intro-text {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.92rem;
}

.config-summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.config-summary-check {
  font-weight: 700;
  color: var(--success-bg);
}

.config-summary-values {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 6px 0 0;
}

.link-button {
  background: none;
  border: none;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  padding: 4px 0;
}

.config-hint {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0 0 16px;
}

.explicacao-caveat {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: -10px 0 14px;
}

.config-actions {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.config-actions button {
  flex: 1;
}

.save-feedback {
  color: var(--success-bg);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 8px;
  text-align: center;
}

.compra-aprovada {
  background: var(--success-bg);
  color: var(--success-fg);
  padding: 12px 14px;
  border-radius: var(--radius);
  margin: 0 0 16px;
}

.usos-restantes {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: -8px 0 16px;
}

.paywall {
  text-align: center;
}

.paywall-title {
  font-weight: 700;
  margin: 0 0 4px;
  font-size: 1.05rem;
}

.paywall-text {
  color: var(--text-muted);
  margin: 0 0 16px;
}

.paywall .btn-primary {
  display: inline-block;
  width: 100%;
  text-decoration: none;
  box-sizing: border-box;
}

.app-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  margin-bottom: 8px;
}

.app-bar-back {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}

.app-bar-tag {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  opacity: 0.7;
}

/* ============================================================
   Landing page (index.html) — paleta e componentes próprios,
   escopados em body.lp-page para NÃO afetar a ferramenta.html.
   ============================================================ */

body.lp-page {
  --bg: #f7f1e2;
  --surface: #ffffff;
  --text: #1c1610;
  --text-muted: #78705f;
  --border: #e6dcc6;
  --accent: #dd6b20;
  --accent-text: #ffffff;
  --money: #2f9e56;
  --dark-panel: #1c1512;
  --dark-panel-text: #f5efe2;
  --dark-panel-muted: #b9ac9b;
}

.lp-inner {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 16px;
}

.lp-band {
  padding: 34px 0;
  background: var(--bg);
}

.lp-band-alt {
  background: var(--surface);
}

.lp-band h2 {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  line-height: 1.2;
}

.lp-mono {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 8px;
}

.lp-mono-light {
  color: #ff9c4d;
}

.section-text {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.98rem;
}

.section-text-spaced {
  margin-bottom: 18px;
}

/* Nav */
.lp-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.lp-nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text);
  text-decoration: none;
}

.lp-logo-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--dark-panel);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  flex-shrink: 0;
}

.lp-nav-price {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

/* Hero */
.hero-band {
  background: var(--bg);
  padding: 28px 0 8px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.hero-band h1 {
  font-size: 2.05rem;
  line-height: 1.15;
  margin: 0 0 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.hero-band h1 .highlight {
  color: var(--accent);
}

.hero-band .subheadline {
  color: var(--text-muted);
  font-size: 1.03rem;
  margin: 0 0 22px;
}

.btn-hero-cta {
  display: block;
  width: 100%;
  box-sizing: border-box;
  text-decoration: none;
  text-align: center;
  background: var(--accent);
  color: #ffffff;
  border-radius: var(--radius);
  padding: 18px;
  font-size: 1.1rem;
  font-weight: 800;
  min-height: 56px;
}

.btn-hero-cta:active {
  transform: scale(0.99);
}

.hero-microcopy {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 14px 0 26px;
}

.hero-microcopy strong {
  color: var(--text);
}

/* Widget de calculadora (mockup, não funcional) */
.calc-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 8px;
  position: relative;
}

.calc-widget::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.calc-widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-left: 10px;
}

.calc-widget-title {
  font-weight: 700;
  font-size: 0.92rem;
}

.calc-widget-tag {
  background: #f3e3c8;
  color: #8a6a2f;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 999px;
}

.calc-widget-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding-left: 10px;
  margin-bottom: 8px;
}

.calc-widget-field {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}

.calc-widget-field span {
  display: block;
  color: var(--text-muted);
  font-size: 0.7rem;
  margin-bottom: 2px;
}

.calc-widget-field strong {
  font-size: 0.98rem;
}

.calc-widget-result {
  background: var(--dark-panel);
  color: var(--dark-panel-text);
  border-radius: 10px;
  padding: 14px;
  margin-left: 10px;
  margin-top: 8px;
}

.calc-widget-result-label {
  font-size: 0.76rem;
  color: var(--dark-panel-muted);
  margin-bottom: 8px;
}

.calc-widget-result-valor {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--money);
  display: block;
  margin-bottom: 10px;
}

.calc-widget-sub {
  display: flex;
  gap: 20px;
}

.calc-widget-sub span {
  display: block;
  font-size: 0.7rem;
  color: var(--dark-panel-muted);
}

.calc-widget-sub strong {
  font-size: 0.98rem;
}

/* Receipt / breakdown de custos */
.receipt {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  padding: 7px 0;
  font-size: 0.95rem;
}

.receipt-row.negativo strong {
  color: var(--danger-bg);
}

.receipt-total {
  border-top: 1px solid var(--border);
  margin-top: 6px;
  padding-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.receipt-total-label strong {
  display: block;
  font-size: 1rem;
}

.receipt-total-label span {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.receipt-total-valor {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--money);
}

/* Grid "o que você descobre" */
.discover-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 14px;
}

.discover-item-icon {
  font-size: 1.3rem;
  margin-bottom: 8px;
  display: block;
}

.discover-item strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 3px;
}

.discover-item span {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

/* Como funciona: passos com linha no topo */
.steps {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.step {
  border-top: 2px solid var(--border);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.step-number {
  color: var(--accent);
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.step strong {
  font-size: 1.02rem;
}

.step span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.example-tag {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin: 0 0 12px;
  font-style: italic;
}

.example-input {
  font-weight: 600;
  margin: 0 0 12px;
}

/* Faixa escura final de CTA/preço */
.cta-band {
  background: var(--dark-panel);
  color: var(--dark-panel-text);
  padding: 36px 0;
}

.cta-band h2 {
  color: #ffffff;
  font-size: 1.5rem;
  margin: 0 0 10px;
  font-weight: 800;
  line-height: 1.2;
}

.cta-band > .lp-inner > p {
  color: var(--dark-panel-muted);
  margin: 0 0 24px;
  font-size: 0.98rem;
}

.cta-band-price-label {
  color: var(--dark-panel-muted);
  font-size: 0.85rem;
  margin: 0 0 4px;
}

.cta-band-price {
  font-size: 2.3rem;
  font-weight: 800;
  margin: 0 0 4px;
  color: #ffffff;
}

.cta-band-price-sub {
  color: var(--dark-panel-muted);
  font-size: 0.85rem;
  margin: 0 0 20px;
}

.cta-band .btn-primary {
  display: block;
  width: 100%;
  box-sizing: border-box;
  text-decoration: none;
  text-align: center;
  background: var(--accent);
  color: #ffffff;
}

.cta-band-secondary {
  display: block;
  text-align: center;
  margin-top: 14px;
  color: var(--dark-panel-muted);
  font-size: 0.85rem;
  text-decoration: none;
}

/* FAQ com botão circular +/- */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.faq-item:first-of-type {
  border-top: 1px solid var(--border);
}

.faq-question {
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.05rem;
  font-weight: 700;
}

.faq-item[open] .faq-question::after {
  content: "−";
}

.faq-answer {
  color: var(--text-muted);
  margin: 10px 0 0;
  font-size: 0.95rem;
}

.landing-footer {
  padding: 24px 0;
  background: var(--bg);
}

.landing-footer-inner {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.landing-footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9rem;
}

.landing-footer-tag {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.hero-grid {
  display: flex;
  flex-direction: column;
}

.cta-grid {
  display: flex;
  flex-direction: column;
}

/* Responsivo: a landing usa mais espaço horizontal a partir daqui.
   A ferramenta (.container) não é afetada por estas regras. */
@media (min-width: 640px) {
  .lp-inner {
    max-width: 640px;
    padding: 0 24px;
  }

  .discover-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .landing-footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .lp-inner {
    max-width: 980px;
    padding: 0 40px;
  }

  .hero-band {
    padding: 56px 0 60px;
  }

  .hero-grid {
    flex-direction: row;
    align-items: center;
    gap: 56px;
  }

  .hero-text {
    flex: 1;
  }

  .hero-band h1 {
    font-size: 2.7rem;
  }

  .calc-widget {
    flex: 0 0 400px;
  }

  .lp-band {
    padding: 52px 0;
  }

  .lp-band h2 {
    font-size: 1.9rem;
  }

  .steps {
    flex-direction: row;
    gap: 32px;
  }

  .step {
    flex: 1;
  }

  .cta-band {
    padding: 52px 0;
  }

  .cta-grid {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 56px;
  }

  .cta-text {
    flex: 1.2;
  }

  .cta-price {
    flex: 1;
    max-width: 360px;
  }

  .cta-band h2 {
    font-size: 1.9rem;
  }
}