/* Listaiq — base styles (Phase 0 MVP) */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #2c5282;
  --color-primary-dark: #1a365d;
  --color-accent: #d69e2e;
  --color-success: #38a169;
  --color-bg: #f7fafc;
  --color-surface: #ffffff;
  --color-text: #1a202c;
  --color-text-muted: #718096;
  --color-border: #e2e8f0;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  padding-bottom: 40px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}
.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.logo {
  font-size: 20px;
  text-decoration: none;
  color: var(--color-primary);
}
.nav a {
  margin-left: 20px;
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 14px;
}
.nav a:hover { color: var(--color-primary); }

/* Hero */
.hero { text-align: center; padding: 48px 0; }
.hero h1 {
  font-size: 36px;
  margin-bottom: 16px;
  color: var(--color-primary-dark);
}
.lead {
  font-size: 18px;
  color: var(--color-text);
  max-width: 640px;
  margin: 0 auto 12px;
}
.sub {
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* KPIs */
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin: 32px 0;
}
.kpi {
  background: var(--color-surface);
  padding: 20px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--color-primary);
}
.kpi-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
}
.kpi-label {
  font-size: 12px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

/* CTA Box */
.cta-box {
  background: linear-gradient(135deg, #ebf8ff 0%, #bee3f8 100%);
  padding: 32px;
  border-radius: var(--radius);
  text-align: center;
  margin: 32px 0;
}
.cta-box h2 { margin-bottom: 12px; }
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  margin: 8px;
  transition: all 0.2s;
  font-size: 14px;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--color-primary);
  color: white;
}
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-secondary {
  background: white;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn-secondary:hover { background: #ebf8ff; }

/* Next */
.next {
  background: var(--color-surface);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 32px 0;
}
.next h3 { margin-bottom: 16px; color: var(--color-primary); }
.next ul { padding-left: 20px; }
.next li { margin-bottom: 8px; color: var(--color-text-muted); }
.next strong { color: var(--color-text); }

/* Cotação header */
.cotacao-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: 32px;
  border-radius: var(--radius);
  margin-bottom: 32px;
}
.cotacao-header h1 { margin-bottom: 12px; font-size: 28px; }
.cotacao-header .meta { opacity: 0.9; font-size: 14px; }
.cotacao-header .actions { margin-top: 16px; }
.cotacao-header .btn {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.cotacao-header .btn:hover { background: rgba(255, 255, 255, 0.25); }

/* Category sections */
.category {
  background: var(--color-surface);
  padding: 24px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.category h2 {
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

/* Price tables */
.prices {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.prices th, .prices td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.prices th {
  background: var(--color-bg);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
}
.prices .price {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  white-space: nowrap;
}
.prices .price.best { color: var(--color-success); font-size: 16px; }
.prices .mm-winner {
  background: linear-gradient(90deg, #fef5e7 0%, transparent 60%);
  border-left: 3px solid var(--color-accent);
}
.prices .best { background: #f0fff4; }
.prices .best-mark { color: var(--color-accent); margin-right: 4px; }
.prices .muted { color: var(--color-text-muted); }

.store-tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--color-bg);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary);
  white-space: nowrap;
}
.mm-badge {
  display: inline-block;
  padding: 1px 6px;
  background: var(--color-accent);
  color: white;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  margin-left: 4px;
}

/* Alert box */
.alert-box {
  background: #fffaf0;
  border: 1px solid #ed8936;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 32px 0;
}
.alert-box h3 { color: #7c2d12; margin-bottom: 8px; }
.alert-box ul { padding-left: 20px; }
.alert-box li { margin-bottom: 4px; color: #7c2d12; }
.alert-box code {
  background: rgba(0, 0, 0, 0.05);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 12px;
}

/* Footer */
.footer {
  margin-top: 64px;
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
}
.footer p { margin-bottom: 4px; }
.footer code {
  background: var(--color-bg);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 12px;
}

/* Mobile */
@media (max-width: 768px) {
  .hero h1 { font-size: 28px; }
  .lead { font-size: 16px; }
  .nav a { margin: 0 10px; }
  .cotacao-header { padding: 20px; }
  .cotacao-header h1 { font-size: 22px; }
  .prices { font-size: 12px; }
  .prices th, .prices td { padding: 6px 8px; }
  .category { padding: 16px; }
  .kpi-value { font-size: 26px; }
}