/* ============================================================
   shared-calc.css — calculamundo · Layout base compartilhado
   Inclua em TODAS as páginas, ANTES do CSS específico da página
   ============================================================ */

/* --- Variáveis de cor (tema escuro default) --- */
:root {
  --gold:        #C9A84C;
  --gold-light:  #E8C97A;
  --gold-dark:   #A07830;
  --dark:        #0A0A0F;
  --dark2:       #12121A;
  --dark3:       #1A1A26;
  --dark4:       #22223A;
  --text:        #E8E8F0;
  --text-muted:  #8888AA;
  --green:       #2ECC71;
  --red:         #E74C3C;
  --radius:      16px;
  --border:      #22223A;
}

/* --- Tema claro --- */
body.light {
  --dark:       #F5F5F0;
  --dark2:      #FFFFFF;
  --dark3:      #F0F0EA;
  --dark4:      #DDDDD0;
  --text:       #1A1A1A;
  --text-muted: #666655;
  --border:     #DDDDD0;
}

/* --- Reset --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--dark);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

/* --- Fundo decorativo --- */
.bg-grid {
  position: fixed; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.bg-glow {
  position: fixed; top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}

/* --- Nav --- */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dark4);
  padding: 0 20px;
  transition: background 0.3s;
}
body.light nav { background: rgba(245,245,240,0.92); }

.nav-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center;
  justify-content: space-between; height: 54px;
}
.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem; color: var(--gold);
  text-decoration: none; font-weight: 700;
  letter-spacing: -0.5px; flex-shrink: 0;
}
.nav-links { display: flex; gap: 4px; flex-wrap: nowrap; overflow-x: auto; }
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  color: var(--text-muted); text-decoration: none;
  font-size: 12px; padding: 6px 10px;
  border-radius: 8px; transition: all 0.2s;
  white-space: nowrap; flex-shrink: 0;
}
.nav-links a:hover,
.nav-links a.active { color: var(--gold); background: rgba(201,168,76,0.08); }
.nav-theme-btn {
  background: var(--dark3); border: 1px solid var(--dark4);
  border-radius: 50%; width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 16px; flex-shrink: 0;
  transition: background 0.3s;
}

/* --- Header --- */
header {
  position: relative; z-index: 10;
  text-align: center; padding: 60px 20px 40px;
  animation: fadeDown 0.8s ease;
}
.badge {
  display: inline-block;
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.3);
  color: var(--gold); font-size: 11px;
  letter-spacing: 3px; text-transform: uppercase;
  padding: 6px 16px; border-radius: 100px; margin-bottom: 20px;
}
h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900; line-height: 1.1;
  background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 16px;
}
.subtitle {
  color: var(--text-muted); font-size: 1.1rem;
  max-width: 520px; margin: 0 auto; line-height: 1.6;
}

/* --- Container --- */
.container {
  position: relative; z-index: 10;
  max-width: 1100px; margin: 0 auto;
  padding: 0 20px 80px;
}

/* --- Seção title --- */
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem; color: var(--text);
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px;
}
.section-title::after {
  content: ''; flex: 1; height: 1px; background: var(--dark4);
}

/* --- Cards genéricos --- */
.card {
  background: var(--dark2); border: 1px solid var(--dark4);
  border-radius: var(--radius); padding: 28px;
  transition: border-color 0.3s, box-shadow 0.3s;
  margin-bottom: 20px;
}
.card:hover {
  border-color: rgba(201,168,76,0.2);
  box-shadow: 0 4px 20px rgba(201,168,76,0.06);
}
.card-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem; color: var(--gold);
  margin-bottom: 20px; display: flex; align-items: center; gap: 8px;
}

/* --- Formulário --- */
.field { margin-bottom: 18px; }
label {
  display: block; font-size: 12px;
  letter-spacing: 1px; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 8px;
}
.input-row {
  display: flex; align-items: center; gap: 8px;
  background: var(--dark3); border: 1px solid var(--dark4);
  border-radius: 10px; padding: 0 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.input-row:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.1);
}
.input-prefix {
  color: var(--gold); font-weight: 600;
  font-size: 14px; flex-shrink: 0; user-select: none;
}
.input-row input,
.input-row select {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font-family: 'DM Sans', sans-serif;
  font-size: 1rem; padding: 14px 0;
  -moz-appearance: textfield;
}
.input-row input::-webkit-outer-spin-button,
.input-row input::-webkit-inner-spin-button { -webkit-appearance: none; }
.input-row select option { background: var(--dark2); color: var(--text); }

.toggle-group {
  display: flex; background: var(--dark3);
  border: 1px solid var(--dark4); border-radius: 10px; overflow: hidden;
}
.toggle-group button {
  flex: 1; padding: 12px; border: none; background: transparent;
  color: var(--text-muted); cursor: pointer;
  font-family: 'DM Sans', sans-serif; font-size: 0.9rem; transition: all 0.2s;
}
.toggle-group button.active { background: var(--gold); color: var(--dark); font-weight: 600; }

/* --- Botão calcular --- */
.btn-calc {
  width: 100%;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border: none; border-radius: 12px;
  color: var(--dark); cursor: pointer;
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem; font-weight: 700;
  padding: 18px; margin-top: 8px; transition: all 0.3s;
}
.btn-calc:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201,168,76,0.3); }

/* --- Cards de resultado --- */
.result-card {
  background: linear-gradient(135deg, var(--dark2), var(--dark3));
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: var(--radius); padding: 28px; display: none;
}
.result-card.show { display: block; animation: fadeIn 0.5s ease; }
.result-main {
  text-align: center; padding: 24px 0;
  border-bottom: 1px solid var(--dark4); margin-bottom: 20px;
}
.result-label {
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 10px;
}
.result-value {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 900;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 20px; }
.result-item { background: var(--dark); border-radius: 10px; padding: 14px; text-align: center; }
.result-item-label { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; }
.result-item-value { font-size: 1rem; font-weight: 600; }
.result-item-value.green { color: var(--green); }
.result-item-value.gold  { color: var(--gold); }

/* --- Exemplos rápidos --- */
.examples-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.example-btn {
  background: var(--dark3); border: 1px solid var(--dark4);
  border-radius: 8px; color: var(--text-muted);
  cursor: pointer; font-family: 'DM Sans', sans-serif;
  font-size: 12px; padding: 8px 14px; transition: all 0.2s;
}
.example-btn:hover { border-color: var(--gold); color: var(--gold); }

/* --- Share buttons --- */
.share-section { margin-top: 20px; }
.share-title {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 12px; text-align: center;
}
.share-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.share-btn {
  flex: 1; min-width: 110px; border: none; border-radius: 10px;
  cursor: pointer; font-family: 'DM Sans', sans-serif;
  font-size: 13px; font-weight: 500; padding: 12px 16px;
  display: flex; align-items: center; justify-content: center;
  gap: 8px; transition: all 0.2s;
}
.share-btn:hover { transform: translateY(-2px); filter: brightness(1.1); }
.btn-whatsapp  { background: #25D366; color: white; }
.btn-instagram { background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045); color: white; }
.btn-copy      { background: var(--dark3); color: var(--text); border: 1px solid var(--dark4); }

/* --- Chart card --- */
.chart-card {
  background: var(--dark2); border: 1px solid var(--dark4);
  border-radius: var(--radius); padding: 28px;
  margin-bottom: 24px; display: none;
}
.chart-card.show { display: block; }
.chart-wrap { position: relative; height: 280px; }

/* --- AI card --- */
.ai-card {
  background: var(--dark2); border: 1px solid rgba(201,168,76,0.15);
  border-radius: var(--radius); padding: 28px;
  margin-bottom: 24px; display: none;
}
.ai-card.show { display: block; }
.ai-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.ai-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border-radius: 10px; display: flex; align-items: center;
  justify-content: center; font-size: 18px;
}
.ai-title { font-family: 'Playfair Display', serif; font-size: 1.1rem; color: var(--gold); }
.ai-subtitle { font-size: 12px; color: var(--text-muted); }
.ai-response {
  background: var(--dark3); border-radius: 12px; padding: 20px;
  font-size: 0.95rem; line-height: 1.7; color: var(--text); min-height: 60px;
}

/* --- Tools grid --- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px; margin-bottom: 24px;
}
.tool-card {
  background: var(--dark2); border: 1px solid var(--dark4);
  border-radius: var(--radius); padding: 24px;
  text-decoration: none; display: block; transition: all 0.3s;
}
.tool-card:hover { border-color: var(--gold); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(201,168,76,0.1); }
.tool-icon { font-size: 28px; margin-bottom: 12px; }
.tool-name { font-family: 'Playfair Display', serif; font-size: 1rem; color: var(--gold); margin-bottom: 6px; }
.tool-desc { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

/* --- Afiliados --- */
.aff-section {
  background: var(--dark2); border: 1px solid var(--dark4);
  border-radius: var(--radius); padding: 28px; margin-bottom: 24px;
}
.aff-title { font-family: 'Playfair Display', serif; font-size: 1.2rem; color: var(--gold); margin-bottom: 6px; }
.aff-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.aff-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.aff-card {
  background: var(--dark3); border: 1px solid var(--dark4);
  border-radius: 12px; padding: 18px; text-align: center;
  text-decoration: none; transition: all 0.3s; display: block;
}
.aff-card:hover { border-color: var(--gold); transform: translateY(-2px); }
.aff-name { font-weight: 600; color: var(--text); font-size: 1rem; margin-bottom: 4px; }
.aff-benefit { font-size: 12px; color: var(--green); margin-bottom: 10px; }
.aff-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--dark); border-radius: 6px;
  font-size: 12px; font-weight: 700; padding: 6px 14px;
}

/* --- Produtos --- */
.prod-section {
  background: var(--dark2); border: 1px solid var(--dark4);
  border-radius: var(--radius); padding: 28px; margin-bottom: 24px;
}
.prod-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.prod-card {
  background: var(--dark3); border: 1px solid var(--dark4);
  border-radius: 12px; overflow: hidden;
  text-decoration: none; transition: all 0.3s;
  display: flex; flex-direction: column;
}
.prod-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0,0,0,0.4); }
.prod-card.shopee:hover  { border-color: #EE4D2D; }
.prod-card.mercado:hover { border-color: #FFE600; }
.prod-img-wrap { width: 100%; aspect-ratio: 3/4; overflow: hidden; background: var(--dark4); }
.prod-img-wrap.calc-img { aspect-ratio: 1/1; }
.prod-img-wrap img { width: 100%; height: 100%; object-fit: cover; object-position: center top; transition: transform 0.4s; }
.prod-card:hover .prod-img-wrap img { transform: scale(1.05); }
.prod-img-wrap.calc-img img { object-position: center; }
.prod-info { padding: 12px 14px 14px; display: flex; flex-direction: column; flex: 1; }
.prod-name { font-weight: 600; color: var(--text); font-size: 0.88rem; margin-bottom: 4px; line-height: 1.35; }
.prod-tag  { font-size: 11px; color: var(--text-muted); margin-bottom: 12px; flex: 1; }
.cta-shopee  { display: block; text-align: center; background: #EE4D2D; color: white; border-radius: 6px; font-size: 12px; font-weight: 700; padding: 7px 10px; }
.cta-mercado { display: block; text-align: center; background: #FFE600; color: #333; border-radius: 6px; font-size: 12px; font-weight: 700; padding: 7px 10px; }

/* --- Ad slots --- */
.ad-banner { position: relative; z-index: 10; max-width: 728px; margin: 0 auto 30px; padding: 0 20px; }
.ad-middle  { background: var(--dark2); border: 1px solid var(--dark4); border-radius: var(--radius); padding: 10px; margin-bottom: 24px; text-align: center; }
.ad-label   { font-size: 9px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 4px; text-align: center; }
.ad-slot    { background: var(--dark3); border: 1px solid var(--dark4); border-radius: 8px; height: 90px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 12px; overflow: hidden; }

/* --- Toast --- */
.toast {
  position: fixed; bottom: 80px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--dark2); border: 1px solid var(--gold);
  color: var(--text); padding: 12px 24px; border-radius: 100px;
  font-size: 14px; opacity: 0; transition: all 0.3s;
  z-index: 9999; pointer-events: none;
  white-space: nowrap; max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* --- Footer --- */
footer {
  text-align: center; padding: 40px 20px;
  color: var(--text-muted); font-size: 13px;
  border-top: 1px solid var(--dark4);
  background: var(--dark2);
  position: relative; z-index: 10;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; flex-direction: column;
  gap: 15px; align-items: center;
}
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; margin-bottom: 6px; }
.footer-links a { color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }

/* --- Grid principal 2 colunas --- */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; }

/* --- Tips --- */
.tips-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.tip-card { background: var(--dark2); border: 1px solid var(--dark4); border-radius: var(--radius); padding: 22px; }
.tip-icon  { font-size: 24px; margin-bottom: 10px; }
.tip-title { font-weight: 600; margin-bottom: 6px; font-size: 0.95rem; }
.tip-text  { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* --- Tabela de cenários (páginas de cauda longa) --- */
.scenario-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.scenario-table th {
  background: var(--dark3); color: var(--gold);
  padding: 12px 16px; text-align: left;
  font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
}
.scenario-table td { padding: 12px 16px; border-bottom: 1px solid var(--dark4); color: var(--text-muted); }
.scenario-table tr:last-child td { border-bottom: none; }
.scenario-table tr:hover td { background: var(--dark3); color: var(--text); }
.scenario-table .highlight { color: var(--gold); font-weight: 600; }
.scenario-table .green { color: var(--green); font-weight: 600; }

/* --- Animações --- */
@keyframes fadeDown { from { opacity:0; transform:translateY(-20px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn   { from { opacity:0; transform:translateY(10px);  } to { opacity:1; transform:translateY(0); } }

/* --- Responsivo --- */
@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .result-grid { grid-template-columns: 1fr 1fr; }
  .share-btns  { flex-direction: column; }
  h1 { font-size: 2rem; }
  header { padding: 40px 16px 28px; }
  .container { padding: 0 14px 60px; }
  .card { padding: 20px; }
}