:root {
  --bg: #faf9f6;
  --text: #1a1a1a;
  --muted: #636363;
  --accent: #d4a373;
  --accent-dark: #ad7a4b;
  --panel: #ffffff;
  --panel-soft: #fffdf9;
  --border: #eae7e2;
  --shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  --radius: 14px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

.vendor-signup-page {
  padding: 20px 16px 48px;
}

.page-title {
  max-width: 1200px;
  margin: 10px auto 18px;
  text-align: center;
}

.page-title h1 {
  margin: 0;
  font-family: "Playfair Display", serif;
  font-size: clamp(32px, 4vw, 44px);
}

.page-title h3 {
  margin: 6px 0 0;
  color: var(--muted);
  font-weight: 600;
}

.vendor-signup-shell {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  align-items: start;
}

.vendor-signup-sidebar,
.vendor-signup-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.vendor-signup-sidebar {
  padding: 16px;
  position: sticky;
  top: 18px;
}

.vendor-signup-sidebar h2 {
  margin: 0;
}

.vendor-signup-sidebar p {
  color: var(--muted);
  line-height: 1.45;
}

.vendor-note-card {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid #e6cfaa;
  border-radius: 12px;
  background: linear-gradient(180deg, #fffaf1 0%, #fff5e6 100%);
}

.vendor-note-card h3 {
  margin: 0 0 8px;
  color: #8a5a2d;
  font-size: 0.96rem;
}

.vendor-note-card ul {
  margin: 0;
  padding-left: 18px;
}

.vendor-signup-card {
  padding: 16px;
  display: grid;
  gap: 16px;
}

.vendor-signup-card fieldset {
  margin: 0;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-soft);
}

.vendor-signup-card legend {
  padding: 0 8px;
  color: var(--accent-dark);
  font-weight: 700;
}

.vendor-signup-card label {
  display: block;
  margin: 10px 0 6px;
  font-size: 0.92rem;
  font-weight: 600;
}

.vendor-signup-card input,
.vendor-signup-card textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.95rem;
  background: #fff;
  color: var(--text);
}

.vendor-signup-card input:focus,
.vendor-signup-card textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212, 163, 115, 0.18);
}

.helper {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.feedback {
  margin: 0;
  font-weight: 600;
  min-height: 1.2em;
}

.feedback.success {
  color: #1f7a42;
}

.feedback.error {
  color: #9a1f1f;
}

@media (max-width: 900px) {
  .vendor-signup-shell {
    grid-template-columns: 1fr;
  }
  .vendor-signup-sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  .vendor-signup-page {
    padding: 14px 12px 36px;
  }
}