/* OBSERVACAO: Portal B2B PME — visual comercial leve, sem cards decorativos no hero. */
:root {
  --ink: #0f1c2e;
  --muted: #5a6b7d;
  --paper: #f4f7fb;
  --accent: #0e7c86;
  --line: rgba(15, 28, 46, 0.12);
  --warn: #b45309;
  --ok: #047857;
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Fraunces", Georgia, serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(14, 124, 134, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(15, 28, 46, 0.08), transparent 50%),
    linear-gradient(180deg, #e8eef5 0%, var(--paper) 40%, #eef3f8 100%);
}

.b2b-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

.b2b-hero {
  margin-bottom: 28px;
}

.b2b-brand {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.b2b-hero h1 {
  margin: 6px 0 8px;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.1;
}

.b2b-lead {
  margin: 0;
  color: var(--muted);
  max-width: 36ch;
}

.b2b-panel,
.b2b-cart {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: blur(8px);
}

.b2b-panel label,
.b2b-cart label {
  display: block;
  margin: 12px 0;
  font-size: 0.85rem;
  font-weight: 600;
}

input,
textarea,
.b2b-btn {
  font: inherit;
}

input,
textarea {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.b2b-btn {
  border: 0;
  border-radius: 999px;
  padding: 11px 18px;
  cursor: pointer;
  font-weight: 600;
}

.b2b-btn.primary {
  background: var(--accent);
  color: #fff;
  margin-top: 8px;
}

.b2b-btn.primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.b2b-btn.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}

.b2b-btn.small {
  padding: 6px 12px;
  font-size: 0.85rem;
  background: var(--ink);
  color: #fff;
}

.muted,
.msg {
  color: var(--muted);
  font-size: 0.9rem;
}

.msg {
  margin-top: 12px;
  min-height: 1.2em;
}

.msg.err {
  color: #b91c1c;
}

.msg.ok {
  color: var(--ok);
}

.b2b-credit {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: baseline;
  margin-bottom: 16px;
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  background: rgba(14, 124, 134, 0.08);
}

.b2b-credit strong {
  font-size: 1.25rem;
}

.b2b-credit small {
  width: 100%;
  color: var(--warn);
}

.b2b-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 16px;
}

.b2b-toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.b2b-catalogo {
  display: grid;
  gap: 10px;
}

.b2b-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
}

.b2b-item h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.b2b-item .meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.b2b-cart-line {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}

.b2b-total {
  display: flex;
  justify-content: space-between;
  font-size: 1.05rem;
  margin: 12px 0;
}

@media (max-width: 820px) {
  .b2b-layout {
    grid-template-columns: 1fr;
  }
}