:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --accent: #f59e0b;
  --ink: #1f2937;
  --muted: #6b7280;
  --bg: #ffffff;
  --bg-soft: #f4f6fb;
  --border: #e5e7eb;
  --danger: #dc2626;
  --success: #16a34a;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(31, 41, 55, .08);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* ---------- Menu ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo { font-size: 1.3rem; font-weight: 800; color: var(--ink); }
.nav-logo span { color: var(--primary); }
.nav-links { display: flex; gap: 26px; align-items: center; list-style: none; }
.nav-links a { color: var(--ink); font-weight: 500; }
.nav-links a:hover { color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: .95rem;
  transition: .2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 7px 14px; font-size: .85rem; }

.menu-toggle { display: none; background: none; border: none; font-size: 1.6rem; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  padding: 90px 0;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(79, 70, 229, .18), transparent 60%),
    radial-gradient(700px 400px at -10% 110%, rgba(245, 158, 11, .16), transparent 60%),
    var(--bg-soft);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.hero-badge {
  display: inline-block;
  background: rgba(79, 70, 229, .1);
  color: var(--primary);
  font-weight: 600;
  font-size: .85rem;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); line-height: 1.15; letter-spacing: -.5px; }
.hero h1 span { color: var(--primary); }
.hero p { margin: 20px 0 30px; font-size: 1.1rem; color: var(--muted); max-width: 520px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-art {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr 1fr;
}
.hero-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.hero-card .icone { font-size: 1.8rem; }
.hero-card h3 { font-size: 1rem; margin: 8px 0 4px; }
.hero-card p { font-size: .9rem; color: var(--muted); margin: 0; }

/* ---------- Seções ---------- */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 48px; }
.section-head .eyebrow { color: var(--primary); font-weight: 700; text-transform: uppercase; letter-spacing: 2px; font-size: .8rem; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-top: 8px; }
.section-head p { color: var(--muted); margin-top: 10px; }

/* ---------- Cards produto ---------- */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 24px; }
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: .25s;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-esgotado .card-img img { opacity: .5; filter: grayscale(.4); }
.card-img { aspect-ratio: 4/3; background: var(--bg-soft); position: relative; }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-body h3 { font-size: 1.05rem; }
.card-body p { color: var(--muted); font-size: .9rem; flex: 1; }
.card-price { font-size: 1.3rem; font-weight: 800; color: var(--primary); }
.card-foot { display: flex; justify-content: space-between; align-items: center; }

.badge-destaque {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

/* ---------- Diferenciais ---------- */
.grid-diff { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.diff {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  text-align: center;
}
.diff .icone { font-size: 2rem; }
.diff h3 { margin: 12px 0 6px; font-size: 1.05rem; }
.diff p { color: var(--muted); font-size: .9rem; }

/* ---------- Contato ---------- */
.contato-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contato-item { display: flex; gap: 14px; margin-bottom: 18px; }
.contato-item .icone { font-size: 1.4rem; }
.contato-item h4 { font-size: .95rem; }
.contato-item p { color: var(--muted); font-size: .9rem; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: .95rem;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--primary);
}
.campo-senha { position: relative; }
.campo-senha input { padding-right: 44px; }
.campo-senha-toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.05rem;
  line-height: 1;
  padding: 8px;
  color: var(--muted);
}
.campo-senha-toggle:hover { color: var(--ink, #1f2937); }
.campo-senha-toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 6px; }

/* ---------- Footer ---------- */
.footer { background: #111827; color: #d1d5db; padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
.footer h4 { color: #fff; margin-bottom: 12px; }
.footer a { color: #d1d5db; }
.footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #374151; padding-top: 20px; font-size: .85rem; text-align: center; color: #9ca3af; }

/* ---------- Produto (página) ---------- */
.produto-page { padding: 50px 0; }
.produto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.produto-img {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1/1;
  background: var(--bg-soft);
  box-shadow: var(--shadow);
}
.produto-img img { width: 100%; height: 100%; object-fit: cover; }
.produto-info h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 10px; }
.produto-desc { color: var(--muted); font-size: 1.05rem; margin-bottom: 20px; }
.produto-preco { font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 24px; }
.produto-acoes { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 30px; }
.produto-meta { border-top: 1px solid var(--border); padding-top: 20px; font-size: .9rem; color: var(--muted); }

/* ---------- Login ---------- */
.auth-wrap { min-height: 70vh; display: flex; align-items: center; justify-content: center; padding: 60px 20px; }
.auth-card {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px;
}
.auth-card h1 { font-size: 1.5rem; margin-bottom: 6px; }
.auth-card > p { color: var(--muted); margin-bottom: 22px; font-size: .9rem; }
.alert {
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: .9rem;
  display: none;
}
.alert.show { display: block; }
.alert-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: var(--success); border: 1px solid #bbf7d0; }

/* ---------- Painel interno ---------- */
.painel { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - 68px); transition: grid-template-columns .25s; }
.painel.recolhido { grid-template-columns: 68px 1fr; }
.painel-topo {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.painel-topo-titulo { font-weight: 700; font-size: .95rem; color: var(--muted); }
.painel-side {
  overflow: hidden;
  transition: padding .25s;
  background: #111827;
  color: #d1d5db;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.painel-side a {
  color: #d1d5db;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.painel-side a:hover, .painel-side a.ativo { background: rgba(79, 70, 229, .9); color: #fff; }
.painel-side .icone { font-size: 1.1rem; flex: none; line-height: 1; }
.painel-side .side-user { margin-bottom: 18px; font-size: .85rem; color: #9ca3af; border-bottom: 1px solid #374151; padding-bottom: 14px; }

.painel.recolhido .painel-side { padding-left: 12px; padding-right: 12px; }
.painel.recolhido .painel-side .rotulo,
.painel.recolhido .painel-side .side-user { display: none; }
.painel.recolhido .painel-side a { justify-content: center; padding: 10px; }

.painel-main { padding: 30px; overflow: auto; }
.painel-main h1 { margin-bottom: 20px; font-size: 1.5rem; }

/* ---------- Gráficos de barra (CSS puro, sem dependência externa) ---------- */
.grafico { display: flex; align-items: flex-end; gap: 6px; height: 150px; }
.grafico-coluna { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; min-width: 0; }
.grafico-valor { font-size: .62rem; color: var(--muted); margin-bottom: 3px; white-space: nowrap; }
.grafico-barra { width: 100%; max-width: 26px; background: var(--primary); border-radius: 4px 4px 0 0; min-height: 2px; transition: height .2s; }
.grafico-rotulo { font-size: .68rem; color: var(--muted); margin-top: 6px; white-space: nowrap; }
@media (max-width: 860px) {
  .grid-cards[style*="1.4fr"] { grid-template-columns: 1fr !important; }
}

/* ---------- PDV em tela cheia (sem sidebar, para uso no balcão) ---------- */
body.pdv-tela-cheia { background: var(--bg-soft); min-height: 100vh; }
.pdv-topo {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #111827;
  color: #fff;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.pdv-topo-acoes { display: flex; align-items: center; gap: 10px; }
.pdv-topo-usuario { font-size: .85rem; color: #9ca3af; }
.pdv-topo .btn-ghost { color: #d1d5db; }
.pdv-topo .btn-ghost:hover { background: rgba(255, 255, 255, .1); color: #fff; }

/* ---------- PDV: tela de entrada por PIN ---------- */
.pdv-pin-tela { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.pdv-pin-card { width: 100%; max-width: 360px; text-align: center; }
.pdv-pin-operadores { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.pdv-pin-operador {
  padding: 14px 18px;
  border-radius: 12px;
  border: 1.5px solid var(--border);
  background: #fff;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
}
.pdv-pin-operador:hover { border-color: var(--primary); color: var(--primary); }
.pdv-pin-pontos { font-size: 1.6rem; letter-spacing: 8px; text-align: center; margin-bottom: 18px; color: var(--primary); }
.pdv-pin-teclado { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.pdv-pin-tecla {
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  cursor: pointer;
}
.pdv-pin-tecla:hover { background: var(--bg-soft); }
.pdv-pin-tecla:active { background: var(--primary); color: #fff; }

/* ---------- Tabelas ---------- */
.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: var(--bg-soft); font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .5px; }
tr:last-child td { border-bottom: none; }

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }

/* ---------- Abas ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1.5px solid var(--border); margin-bottom: 18px; flex-wrap: wrap; }
.tab-btn {
  background: none; border: none; cursor: pointer;
  padding: 10px 14px; margin-bottom: -1.5px;
  font-size: .88rem; font-weight: 600; color: var(--muted);
  border-bottom: 2.5px solid transparent;
}
.tab-btn:hover { color: var(--ink, #1f2937); }
.tab-btn.ativo { color: var(--primary); border-bottom-color: var(--primary); }
.tab-painel { display: none; }
.tab-painel.ativo { display: block; }

/* ---------- Vitrine filtro ---------- */
.filtros { display: flex; gap: 10px; margin-bottom: 28px; flex-wrap: wrap; }
.chip {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: #fff;
  cursor: pointer;
  font-weight: 600;
  font-size: .9rem;
  color: var(--ink);
}
.chip.ativo { background: var(--primary); border-color: var(--primary); color: #fff; }
.busca {
  padding: 10px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  min-width: 240px;
  font-size: .95rem;
}

/* ---------- Toast ---------- */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--ink);
  color: #fff;
  padding: 12px 22px;
  border-radius: 12px;
  font-size: .92rem;
  box-shadow: var(--shadow);
  transition: .3s;
  z-index: 100;
}
#toast.show { transform: translateX(-50%) translateY(0); }

/* ---------- NFC ---------- */
.nfc-status { text-align: center; padding: 60px 20px; border: 2px dashed var(--border); border-radius: var(--radius); }
.nfc-status .icone { font-size: 3rem; }
.nfc-msg { color: var(--muted); margin-top: 12px; }

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    align-items: flex-start;
  }
  .nav-links.aberto { display: flex; }
  .menu-toggle { display: block; }
  .hero-grid, .contato-grid, .produto-grid { grid-template-columns: 1fr; }
  .painel { grid-template-columns: 1fr; }
  .painel-side { flex-direction: row; overflow-x: auto; }
  .painel-side a { white-space: nowrap; }
  .painel-side .side-user { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero { padding: 60px 0; }
  .section { padding: 56px 0; }
}