:root {
  --bg: #f6f7f8;
  --bg-inset: #eef0f1;
  --card: #ffffff;
  --ink: #14181b;
  --ink-dim: #5c6569;
  --ink-faint: #8a9296;
  --line: #e2e5e7;
  --line-strong: #cdd2d5;
  --accent: #1c5f8f;
  --accent-dark: #164c72;
  --accent-soft: #e6eef5;
  --accent-ink: #ffffff;
  --pass: #0f5f4f;
  --pass-bg: #e6f1ee;
  --fail: #a3323a;
  --fail-bg: #fbeaec;
  --warn: #8a6d1a;
  --warn-bg: #faf3dd;
  --shadow-sm: 0 1px 2px rgba(20, 24, 27, 0.06);
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", "Segoe UI", -apple-system, "Pretendard Variable", Pretendard, "Malgun Gothic", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.page { max-width: 780px; margin: 0 auto; padding: 0 1.25rem 4rem; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 0; margin-bottom: 1.5rem; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 0.65rem; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.8rem; letter-spacing: -0.02em; flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title { font-weight: 700; font-size: 1rem; letter-spacing: -0.01em; }
.brand-sub { font-size: 0.72rem; color: var(--ink-faint); }

.tabs { display: flex; gap: 0.4rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.tab-btn {
  background: var(--card); color: var(--ink-dim);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 0.5rem 1rem; font-size: 0.85rem; font-weight: 600; cursor: pointer;
}
.tab-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.view { display: none; }
.view.active { display: block; }

h1 { font-size: 1.3rem; margin: 0 0 0.4rem; letter-spacing: -0.01em; }
.subtitle { color: var(--ink-dim); font-size: 0.9rem; margin: 0 0 1.5rem; max-width: 60ch; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 1.6rem; margin-bottom: 1.25rem;
}

label { display: block; font-size: 0.78rem; font-weight: 600; color: var(--ink-dim); margin: 0.9rem 0 0.35rem; text-transform: uppercase; letter-spacing: 0.02em; }
label:first-of-type { margin-top: 0; }

input[type="text"], input[type="number"], input[type="date"], textarea, select {
  width: 100%; padding: 0.6rem 0.75rem;
  border: 1px solid var(--line-strong); border-radius: 7px;
  font-size: 0.92rem; font-family: inherit; background: var(--bg); color: var(--ink);
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }

input[type="file"] {
  width: 100%; padding: 0.6rem 0.7rem; font-size: 0.85rem;
  background: var(--bg-inset); border: 1px dashed var(--line-strong); border-radius: 7px;
}

.field-row { display: flex; gap: 0.6rem; }
.field-row > * { flex: 1; }

button {
  font-family: inherit; font-size: 0.88rem; font-weight: 600; border: none;
  border-radius: 7px; padding: 0.62rem 1.15rem; cursor: pointer;
  background: var(--accent); color: var(--accent-ink);
}
button:hover:not(:disabled) { background: var(--accent-dark); }
button.secondary { background: transparent; color: var(--ink-dim); border: 1px solid var(--line-strong); }
button:disabled { opacity: 0.45; cursor: not-allowed; }

.hint { font-size: 0.8rem; color: var(--ink-faint); margin-top: 0.5rem; line-height: 1.5; }

.notice {
  display: flex; gap: 0.55rem; align-items: flex-start;
  background: var(--warn-bg); color: var(--warn);
  border-radius: 8px; padding: 0.7rem 0.9rem; font-size: 0.82rem; margin: 1rem 0;
}

.status-msg { margin-top: 1rem; font-size: 0.86rem; padding: 0.65rem 0.85rem; border-radius: 8px; display: none; background: var(--accent-soft); color: var(--accent); }
.status-msg.show { display: block; }
.status-msg.err { background: var(--fail-bg); color: var(--fail); }

.result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.7rem; margin-top: 1.1rem; }
.result-item { background: var(--bg-inset); border-radius: 8px; padding: 0.7rem 0.85rem; }
.result-item .k { font-size: 0.7rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.03em; }
.result-item .v { font-size: 1rem; font-weight: 700; margin-top: 0.2rem; }

.qr-box { display: flex; align-items: center; gap: 1.2rem; margin-top: 1rem; }
.qr-box img { width: 128px; height: 128px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.sample-id-tag {
  display: inline-block; font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 1.15rem; font-weight: 700; background: var(--accent-soft); color: var(--accent);
  padding: 0.4rem 0.8rem; border-radius: 6px; letter-spacing: 0.03em;
}

table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
th, td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--line); }
th { color: var(--ink-faint); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.03em; }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: var(--bg-inset); }

.badge { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.78rem; font-weight: 700; padding: 0.22rem 0.65rem; border-radius: 999px; }
.badge.stage-producer_registered { background: var(--warn-bg); color: var(--warn); }
.badge.stage-analyst_submitted { background: var(--accent-soft); color: var(--accent); }
.badge.stage-ai_result_recorded { background: var(--accent-soft); color: var(--accent); }
.badge.stage-pending_third_party { background: var(--warn-bg); color: var(--warn); }
.badge.stage-final_confirmed { background: var(--pass-bg); color: var(--pass); }
.badge.pass { background: var(--pass-bg); color: var(--pass); }
.badge.fail { background: var(--fail-bg); color: var(--fail); }
.badge.lc_ms_ms { background: var(--warn-bg); color: var(--warn); }

.lock-screen { max-width: 420px; margin: 3rem auto; }
.lock-screen .sample-id-tag { display: block; text-align: center; margin-bottom: 1rem; }
.role-toggle { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.role-toggle button { flex: 1; background: var(--bg-inset); color: var(--ink-dim); border: 1px solid var(--line-strong); }
.role-toggle button.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.portal-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.portal-card {
  display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 1.6rem; text-decoration: none; color: var(--ink);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.portal-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.portal-icon {
  width: 40px; height: 40px; border-radius: 8px; background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 700; margin-bottom: 0.9rem;
}
.portal-title { font-weight: 700; font-size: 1.05rem; margin-bottom: 0.4rem; }
.portal-desc { font-size: 0.85rem; color: var(--ink-dim); line-height: 1.5; }

.login-card { max-width: 420px; }

@media print {
  .topbar, .no-print { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; border: 1px solid #ccc; }
}

.detail-section { margin-top: 1.1rem; padding-top: 1.1rem; border-top: 1px solid var(--line); }
.detail-section h3 { font-size: 0.85rem; margin: 0 0 0.6rem; }
.detail-section .empty { color: var(--ink-faint); font-size: 0.85rem; }
.file-chip {
  display: inline-block; font-size: 0.78rem; background: var(--bg-inset); color: var(--ink-dim);
  padding: 0.25rem 0.6rem; border-radius: 6px; margin: 0.2rem 0.3rem 0 0;
}
.file-chip a { color: inherit; text-decoration: none; }
.file-chip a:hover { text-decoration: underline; }

footer.page-footer {
  margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line);
  font-size: 0.76rem; color: var(--ink-faint); text-align: center;
}

/* --- Certificate of Analysis --- */
.cert-doc {
  background: #fff; color: #1a1f1d;
  border: 1px solid #d8dcd8; border-radius: 4px;
  box-shadow: 0 2px 20px rgba(20,24,27,0.08);
  padding: 3rem 3.2rem 2.5rem;
  font-family: Georgia, "Times New Roman", "Noto Serif KR", serif;
}
.cert-letterhead {
  display: flex; align-items: flex-start; justify-content: space-between;
  border-bottom: 3px double var(--accent); padding-bottom: 1.1rem; margin-bottom: 1.6rem;
}
.cert-letterhead .brand-block { display: flex; align-items: center; gap: 0.7rem; }
.cert-letterhead .brand-mark {
  width: 42px; height: 42px; border-radius: 6px; background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.95rem;
  font-family: Georgia, serif;
}
.cert-letterhead .org-name { font-size: 0.78rem; letter-spacing: 0.12em; color: var(--ink-faint); text-transform: uppercase; }
.cert-letterhead .cert-title { font-size: 1.5rem; font-weight: 700; letter-spacing: 0.02em; margin-top: 0.1rem; }
.cert-letterhead .cert-meta { text-align: right; font-size: 0.82rem; color: var(--ink-dim); line-height: 1.7; }
.cert-letterhead .cert-meta strong { color: var(--ink); }
.cert-letterhead .verify-qr { width: 74px; height: 74px; margin-top: 0.4rem; border: 1px solid var(--line); border-radius: 4px; }

.cert-section { margin: 1.8rem 0; }
.cert-section-title {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); border-bottom: 1px solid var(--line); padding-bottom: 0.4rem; margin-bottom: 0.9rem;
}
.cert-field-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem 1.5rem; }
.cert-field .k { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-faint); }
.cert-field .v { font-size: 0.98rem; margin-top: 0.15rem; }

.cert-photos-grid { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 0.8rem; }
.cert-photos-grid img { width: 140px; height: 140px; object-fit: cover; border-radius: 4px; border: 1px solid var(--line); }

.cert-verdict-banner {
  display: flex; align-items: center; justify-content: space-between;
  border: 2px solid var(--line); border-radius: 6px; padding: 1rem 1.3rem; margin-bottom: 1rem;
}
.cert-verdict-banner.pass { border-color: var(--pass); background: var(--pass-bg); }
.cert-verdict-banner.fail { border-color: var(--fail); background: var(--fail-bg); }
.cert-verdict-banner.lc_ms_ms { border-color: var(--warn); background: var(--warn-bg); }
.cert-verdict-banner .label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-dim); }
.cert-verdict-banner .value { font-size: 1.4rem; font-weight: 700; }

.cert-analyte-table { width: 100%; border-collapse: collapse; margin-top: 0.6rem; font-size: 0.92rem; }
.cert-analyte-table th, .cert-analyte-table td { border: 1px solid var(--line); padding: 0.55rem 0.8rem; text-align: left; }
.cert-analyte-table th { background: var(--bg-inset); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-dim); }

.cert-graph-img { max-width: 100%; margin-top: 0.9rem; border: 1px solid var(--line); border-radius: 4px; }
.cert-doc-embed { width: 100%; height: 480px; margin-top: 0.8rem; border: 1px solid var(--line); border-radius: 4px; }
.cert-doc-link { display: inline-block; margin-top: 0.5rem; font-size: 0.85rem; }

.cert-crosscheck-block { margin-bottom: 1.6rem; padding-bottom: 1.4rem; border-bottom: 1px dashed var(--line); }
.cert-crosscheck-block:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.cert-crosscheck-block h4 { font-size: 0.95rem; margin: 0 0 0.2rem; }

.cert-opinion-box {
  background: var(--bg-inset); border-left: 3px solid var(--accent); border-radius: 0 4px 4px 0;
  padding: 1rem 1.3rem; font-style: italic; color: var(--ink); line-height: 1.6; margin-bottom: 1.8rem;
}

.cert-signature-block { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; margin-top: 1rem; }
.cert-signature-block .sig-col { flex: 1; }
.cert-signature-block img.sig-image { max-height: 90px; max-width: 100%; display: block; }
.cert-signature-line { border-top: 1px solid var(--ink); margin-top: 0.4rem; padding-top: 0.4rem; font-size: 0.85rem; }
.cert-signature-line .name { font-weight: 700; }
.cert-signature-line .title { font-size: 0.76rem; color: var(--ink-faint); }
.cert-signature-block .date-col { text-align: right; font-size: 0.85rem; color: var(--ink-dim); }

.cert-analyst-note { font-size: 0.82rem; color: var(--ink-dim); margin-top: 0.6rem; }

.cert-disclaimer {
  margin-top: 2.2rem; padding-top: 1.2rem; border-top: 1px solid var(--line);
  font-size: 0.72rem; color: var(--ink-faint); line-height: 1.6; text-align: justify;
}

@media print {
  .cert-doc { box-shadow: none; border: none; padding: 0; }
}