/* Certificate of Analysis page — /certificate/{slug}/. */

.cert-shell { max-width: 1100px; margin: 0 auto; padding: 24px 32px 80px; }

.cert-banner { padding: 40px 0 32px; border-bottom: 1px solid var(--line); margin-bottom: 32px; }
.cert-banner h1 { font-family: var(--display); font-weight: 400; font-size: clamp(40px, 4vw, 56px); letter-spacing: -0.02em; line-height: 1; margin: 12px 0 8px; }
.cert-banner .cert-cas { font-family: var(--mono); font-size: 12px; color: var(--ink-3); letter-spacing: 0.04em; }
.cert-banner .cert-sub { font-size: 14px; color: var(--ink-3); margin: 12px 0 0; }

.cert-summary { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; margin-bottom: 32px; }
.cert-product { display: grid; grid-template-columns: 140px 1fr; gap: 24px; align-items: center; }
.cert-product-img { aspect-ratio: 1; background: #fff; border: 1px solid var(--line); border-radius: var(--r); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.cert-product-img img { width: 100%; height: 100%; object-fit: contain; padding: 8px; }
.cert-product-img svg { width: 60%; height: 80%; }
.cert-product h2 { font-family: var(--display); font-weight: 400; font-size: 28px; letter-spacing: -0.01em; margin: 0 0 14px; }
.cert-product h2 .size { color: var(--ink-3); font-weight: 500; font-size: 18px; margin-left: 6px; }
.cert-meta-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px; }
.cert-meta-grid .k { font-family: var(--mono); font-size: 10px; color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 2px; }
.cert-meta-grid .v { font-family: var(--mono); font-size: 13px; color: var(--ink); font-weight: 500; }

.cert-lots { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.cert-lots-head { display: grid; grid-template-columns: 60px 1.4fr 1fr 0.7fr 0.9fr auto; gap: 18px; padding: 14px 20px; background: var(--paper-2); border-bottom: 1px solid var(--line); }
.cert-lots-head > div { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }

.cert-lot-row { display: grid; grid-template-columns: 60px 1.4fr 1fr 0.7fr 0.9fr auto; gap: 18px; padding: 16px 20px; border-bottom: 1px solid var(--line); align-items: center; cursor: pointer; transition: background .12s; }
.cert-lot-row:last-child { border-bottom: 0; }
.cert-lot-row:hover { background: var(--paper-2); }
.cert-lot-row .thumb { width: 50px; height: 50px; border-radius: var(--r); overflow: hidden; background: var(--paper-2); border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; position: relative; }
.cert-lot-row .thumb img { width: 100%; height: 100%; object-fit: cover; }
.cert-lot-row .thumb svg { width: 60%; height: 80%; }
.cert-lot-row .pass-badge { position: absolute; top: -6px; right: -6px; font-family: var(--mono); font-size: 8px; padding: 2px 5px; border-radius: 999px; background: #f1faf3; color: var(--ok); border: 1px solid #c4dfcc; font-weight: 600; letter-spacing: 0.06em; }
.cert-lot-row .lot-num a { font-family: var(--mono); font-size: 14px; font-weight: 600; color: var(--accent); text-decoration: none; }
.cert-lot-row .lot-num a:hover { text-decoration: underline; }
.cert-lot-row .lot-notes { font-size: 11px; color: var(--ink-3); margin-top: 2px; }
.cert-lot-row .lot-type { font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.cert-lot-row .lot-purity { font-family: var(--display); font-size: 18px; }
.cert-lot-row .lot-date { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.cert-lot-row .lot-cta { display: flex; gap: 8px; }

.cert-empty { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 48px 32px; text-align: center; }
.cert-empty p { color: var(--ink-3); font-size: 14px; margin: 0 0 16px; }

/* Lightbox */
.gp-cert-lightbox { position: fixed; inset: 0; z-index: 9999; display: none; align-items: center; justify-content: center; padding: 32px; }
.gp-cert-lightbox.is-open { display: flex; }
.gp-cert-lightbox[hidden] { display: none !important; }
.gp-cert-lightbox-backdrop { position: absolute; inset: 0; background: rgba(11,11,12,0.84); backdrop-filter: blur(6px); }
.gp-cert-lightbox-card { position: relative; background: #fff; border-radius: var(--r-lg); max-width: 800px; width: 100%; max-height: 90vh; overflow: auto; box-shadow: 0 24px 64px rgba(0,0,0,0.4); }
.gp-cert-lightbox-header { padding: 18px 24px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.gp-cert-lightbox-header .lot { font-family: var(--mono); font-size: 14px; color: var(--ink); font-weight: 600; }
.gp-cert-lightbox-image { padding: 0; display: flex; align-items: center; justify-content: center; }
.gp-cert-lightbox-image img { max-width: 100%; height: auto; display: block; }
.gp-cert-close { position: absolute; top: 14px; right: 14px; width: 36px; height: 36px; border-radius: 999px; background: #fff; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-size: 22px; line-height: 1; color: var(--ink-2); cursor: pointer; z-index: 1; }
.gp-cert-close:hover { background: var(--paper-2); }

@media (max-width: 760px) {
  .cert-product { grid-template-columns: 1fr; }
  .cert-lots-head { display: none; }
  .cert-lot-row { grid-template-columns: 60px 1fr; gap: 12px; }
  .cert-lot-row .lot-type, .cert-lot-row .lot-purity, .cert-lot-row .lot-date, .cert-lot-row .lot-cta { grid-column: 1 / -1; padding-left: 72px; }
}