:root {
  --blue: #1a5fb4;
  --green: #1e6b3a;
  --red: #c01c1c;
  --bg: #f7f8fa;
  --card-bg: #ffffff;
  --border: #e2e5ea;
  --text: #1a1a1a;
  --muted: #6b7280;
}

* { box-sizing: border-box; }

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

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}
.brand { font-size: 20px; font-weight: 700; color: var(--text); text-decoration: none; }
.brand span { color: var(--blue); }
.site-header nav a { margin-left: 16px; color: var(--text); text-decoration: none; font-weight: 500; }
.site-header nav a:hover { color: var(--blue); }

main { max-width: 900px; margin: 0 auto; padding: 32px 20px 60px; }

.site-footer { text-align: center; padding: 24px; color: var(--muted); font-size: 13px; }

.hero { text-align: center; padding: 60px 0; }
.hero h1 { font-size: 32px; margin-bottom: 8px; }
.lead { color: var(--muted); margin-bottom: 28px; }

.search-form { display: flex; justify-content: center; gap: 8px; }
.search-form input { padding: 12px 16px; width: 340px; max-width: 70vw; border: 1px solid var(--border); border-radius: 6px; font-size: 15px; }
.search-form button, .btn { padding: 12px 20px; background: var(--blue); color: #fff; border: none; border-radius: 6px; font-size: 15px; cursor: pointer; text-decoration: none; display: inline-block; }
.btn-outline { background: transparent; color: var(--blue); border: 1px solid var(--blue); }

.error-box { background: #fdecec; color: var(--red); padding: 14px 18px; border-radius: 6px; margin: 16px 0; }
.muted { color: var(--muted); }

.verify-header { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; }
.verify-header h1 { margin: 0; font-size: 24px; }
.subtitle { color: var(--muted); margin: 2px 0 0; }
.color-swatch { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); flex-shrink: 0; }
.verify-header .btn { margin-left: auto; }

.badge-verified { display: inline-block; background: #e6f4ea; color: var(--green); padding: 6px 14px; border-radius: 20px; font-weight: 600; font-size: 13px; margin-bottom: 20px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }

.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px; padding: 18px; margin-bottom: 16px; }
.card h2 { margin-top: 0; font-size: 16px; color: var(--blue); }

.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
.spec-table td { padding: 6px 4px; border-bottom: 1px solid #f0f0f0; font-size: 14px; }
.spec-table td:first-child { color: var(--muted); width: 55%; }

.material-description { color: var(--muted); font-size: 14px; }

.flash-container { max-width: 900px; margin: 12px auto 0; padding: 0 20px; }
.flash { padding: 10px 16px; border-radius: 6px; margin-bottom: 8px; font-size: 14px; }
.flash-success { background: #e6f4ea; color: var(--green); }
.flash-error { background: #fdecec; color: var(--red); }

.login-page { max-width: 340px; margin: 60px auto; text-align: center; }
.login-form { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.login-form input { padding: 10px 14px; border: 1px solid var(--border); border-radius: 6px; }
.login-form button { padding: 10px; background: var(--blue); color: #fff; border: none; border-radius: 6px; cursor: pointer; }

.admin-page { max-width: 1100px; }
.admin-toolbar { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 24px; }
.inline-form { display: flex; gap: 6px; align-items: center; }
.inline-form input, .inline-form select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; }
.inline-form button { padding: 8px 14px; background: var(--blue); color: #fff; border: none; border-radius: 6px; cursor: pointer; }

.admin-table { width: 100%; border-collapse: collapse; margin-bottom: 30px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.admin-table th, .admin-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; text-align: left; }
.admin-table th { background: #f0f2f5; }
.admin-table .swatch { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 4px; vertical-align: middle; }
.btn-danger { background: var(--red); color: #fff; border: none; padding: 6px 10px; border-radius: 6px; cursor: pointer; font-size: 12px; }

.qr-form { max-width: 460px; display: flex; flex-direction: column; gap: 6px; background: var(--card-bg); padding: 20px; border: 1px solid var(--border); border-radius: 8px; }
.qr-form label { font-weight: 600; margin-top: 10px; font-size: 13px; }
.qr-form input, .qr-form select { padding: 9px 12px; border: 1px solid var(--border); border-radius: 6px; }
.qr-form button { margin-top: 16px; padding: 12px; background: var(--blue); color: #fff; border: none; border-radius: 6px; cursor: pointer; font-size: 15px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-weight: normal !important; }