/* ==========================================================================
   LSCC — Archive Interface (archive.lscc)
   Visual continuity with the primary division interface, shifted toward a
   colder, more "cold-storage" register: amber-forward status, muted rules,
   heavier redaction. Read-only historical record service.
   ========================================================================== */

:root {
  --bg: #08080a;
  --bg-alt: #0e0f11;
  --bg-raised: #141519;
  --border: #212327;
  --border-soft: #17181b;
  --text: #d6d7da;
  --text-dim: #7f848c;
  --text-faint: #4f525a;

  --green: #4fb477;
  --cyan:  #57bccb;
  --amber: #c99a3a;
  --red:   #c25c5c;

  --font-sans: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --container-w: 1160px;
}

* { box-sizing: border-box; }
html { background: var(--bg); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--font-mono); }
.dim { color: var(--text-faint); }

.container { max-width: var(--container-w); margin: 0 auto; padding: 0 32px; }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.dot-green { background: var(--green); }
.dot-amber { background: var(--amber); }

/* ---- header + authority strip ---- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8,8,10,0.94); backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 52px; }
.brand { display: flex; align-items: baseline; gap: 10px; flex-shrink: 0; }
.brand-mark { font-family: var(--font-mono); font-weight: 600; font-size: 15px; letter-spacing: 0.05em; color: var(--text); }
.brand-div { font-size: 10px; letter-spacing: 0.06em; color: var(--amber); }

.site-nav { display: flex; gap: 18px; margin-left: 8px; flex: 1; overflow-x: auto; }
.site-nav a { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; color: var(--text-dim); white-space: nowrap; }
.site-nav a:hover { color: var(--text); text-decoration: none; }

.access-tag {
  font-size: 10px; letter-spacing: 0.05em; color: var(--text-dim);
  display: flex; align-items: center; gap: 7px; white-space: nowrap;
  border: 1px solid var(--border); padding: 4px 9px;
}

.authority-strip { background: var(--bg-alt); border-bottom: 1px solid var(--border-soft); font-size: 10px; letter-spacing: 0.05em; color: var(--text-faint); }
.authority-inner { display: flex; gap: 12px; align-items: center; height: 30px; overflow-x: auto; white-space: nowrap; }
.authority-inner .sep { color: var(--border); }

/* ---- hero / index ---- */
.hero { padding: 58px 0 44px; border-bottom: 1px solid var(--border-soft); }
.hero-meta { display: flex; gap: 24px; flex-wrap: wrap; font-size: 10.5px; color: var(--text-faint); letter-spacing: 0.04em; margin-bottom: 26px; }
.hero-title { font-size: clamp(26px, 4vw, 40px); font-weight: 600; letter-spacing: -0.01em; margin: 0 0 14px; }
.hero-tagline { color: var(--amber); font-size: 13px; letter-spacing: 0.02em; margin: 0 0 24px; max-width: 640px; }
.hero-desc { max-width: 700px; color: var(--text-dim); font-size: 14.5px; line-height: 1.7; margin: 0 0 28px; }

.index-table-wrap { border: 1px solid var(--border); }
.index-table { width: 100%; border-collapse: collapse; }
.index-table th, .index-table td { padding: 11px 16px; text-align: left; border-bottom: 1px solid var(--border-soft); font-size: 12.5px; }
.index-table thead th { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.07em; color: var(--text-faint); font-weight: 500; background: var(--bg-alt); border-bottom: 1px solid var(--border); }
.index-table tbody tr:last-child td { border-bottom: none; }
.index-table tbody tr:hover { background: var(--bg-alt); }

/* ---- sections ---- */
.section { padding: 52px 0; border-bottom: 1px solid var(--border-soft); }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 26px; padding-bottom: 11px; border-bottom: 1px solid var(--border); }
.section-label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.09em; text-transform: uppercase; color: var(--text-dim); font-weight: 500; margin: 0; }
.section-src { font-size: 10px; letter-spacing: 0.05em; color: var(--text-faint); text-align: right; white-space: nowrap; }

/* ---- systems / frameworks ---- */
.systems-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.system-card { background: var(--bg-alt); padding: 22px 24px; }
.system-card.restricted-card { background: repeating-linear-gradient(135deg, var(--bg-alt), var(--bg-alt) 9px, var(--bg-raised) 9px, var(--bg-raised) 10px); }
.system-card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border-soft); }
.system-card-head h3 { font-size: 14.5px; margin: 0; font-weight: 600; }
.version { font-size: 11px; color: var(--text-faint); letter-spacing: 0.03em; white-space: nowrap; }

.system-dl { margin: 0; }
.system-dl dt { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.07em; color: var(--text-faint); margin-top: 13px; }
.system-dl dt:first-child { margin-top: 0; }
.system-dl dd { margin: 4px 0 0; color: var(--text-dim); font-size: 13px; line-height: 1.55; }

.st { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; }
.st-arc    { color: var(--text-dim); }
.st-sealed { color: var(--red); }

/* ---- closed logs ---- */
.cases-list { display: flex; flex-direction: column; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.case-card { background: var(--bg-alt); padding: 20px 24px; }
.case-card.restricted { background: repeating-linear-gradient(135deg, var(--bg-alt), var(--bg-alt) 9px, var(--bg-raised) 9px, var(--bg-raised) 10px); }
.case-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }
.case-id { font-size: 12.5px; color: var(--text); letter-spacing: 0.03em; }
.case-status { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.07em; padding: 3px 8px; border: 1px solid var(--border); }
.status-sealed { color: var(--amber); border-color: rgba(201,154,58,0.35); }

.case-dl { display: grid; grid-template-columns: 120px 1fr; row-gap: 9px; column-gap: 20px; margin: 0; }
.case-dl dt { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.07em; color: var(--text-faint); padding-top: 1px; }
.case-dl dd { margin: 0; color: var(--text-dim); font-size: 13px; line-height: 1.55; }
.case-dl dd.dim { color: var(--text-faint); }
@media (max-width: 620px) { .case-dl { grid-template-columns: 1fr; row-gap: 4px; } }

/* ---- superseded model table ---- */
.model-table { width: 100%; border-collapse: collapse; border: 1px solid var(--border); }
.model-table th, .model-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border-soft); font-size: 13px; }
.model-table thead th { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.07em; color: var(--text-faint); font-weight: 500; background: var(--bg-alt); border-bottom: 1px solid var(--border); }
.model-table tbody tr:hover { background: var(--bg-alt); }
.model-table tbody tr:last-child td { border-bottom: none; }
.model-table td.warn { color: var(--amber); }
.restricted-row { background: rgba(194,92,92,0.035); }

@media (max-width: 700px) {
  .model-table, .index-table { font-size: 11.5px; }
  .model-table th, .model-table td, .index-table th, .index-table td { padding: 9px 10px; }
}

/* ---- redaction ---- */
.redacted { color: var(--red) !important; background: rgba(194,92,92,0.08); padding: 0 5px; letter-spacing: 0.04em; }

/* ---- footer ---- */
.site-footer { background: var(--bg-alt); padding: 38px 0 30px; }
.footer-notice p { font-size: 11px; color: var(--text-faint); max-width: 740px; line-height: 1.7; margin: 0 0 10px; }
.footer-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border-soft); font-size: 10px; color: var(--text-faint); letter-spacing: 0.04em; }