/* ============================================================
   COMMAND ARCHIVE — Utilitarian interface
   Aesthetic: What if G.I. Joe / M.A.S.K. built the network
   Sparse • Functional • Mid-70s terminal
   ============================================================ */

:root {
  --bg: #0f100e;
  --surface: #161714;
  --border: #2c2e28;
  --text: #c8cbb8;
  --text-dim: #7a7d6e;
  --accent: #b8a04a;          /* muted command yellow */
  --accent-dim: #6e5e2e;
  --warning: #a05a3c;
  --mono: "Courier New", Courier, monospace;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 15px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  line-height: 1.5;
  min-height: 100vh;
}

/* ---------- layout ---------- */

.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

/* ---------- header ---------- */

.header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.25rem;
  margin-bottom: 2rem;
}

.unit {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}

.title {
  font-family: var(--sans);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.subtitle {
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1rem;
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.meta-row span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 1px;
}

/* ---------- nav ---------- */

.nav {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 2.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.nav a {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-dim);
  padding: 0.5rem 0.9rem;
  border: 1px solid transparent;
  border-bottom: none;
  position: relative;
  top: 1px;
}

.nav a:hover {
  color: var(--text);
}

.nav a.active {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border);
  border-bottom-color: var(--surface);
}

/* ---------- section label ---------- */

.section {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---------- intro ---------- */

.brief {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.1rem 1.25rem;
  margin-bottom: 2.25rem;
  font-size: 0.85rem;
  line-height: 1.55;
}

.brief p + p {
  margin-top: 0.7rem;
}

.brief .tag {
  margin-top: 0.9rem;
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

/* ---------- file list ---------- */

.file-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  margin-bottom: 2.5rem;
}

.file {
  display: grid;
  grid-template-columns: 4.5rem 1fr auto;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
  text-decoration: none;
  color: inherit;
  transition: background 0.1s;
}

.file:last-child {
  border-bottom: none;
}

.file:hover {
  background: #1a1b17;
}

.file-id {
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.file-body {
  min-width: 0;
}

.file-title {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.file-desc {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.4;
}

.file-status {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  white-space: nowrap;
  padding-top: 0.15rem;
}

.file-status.active {
  color: var(--accent);
}

.file-status.closed {
  color: var(--warning);
}

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  line-height: 1.7;
}

.footer .line {
  margin-bottom: 0.15rem;
}

/* ---------- responsive ---------- */

@media (max-width: 560px) {
  .wrap {
    padding: 1.5rem 1rem 3rem;
  }

  .file {
    grid-template-columns: 3.5rem 1fr;
    gap: 0.6rem 0.9rem;
  }

  .file-status {
    grid-column: 2;
    padding-top: 0;
  }

  .nav {
    overflow-x: auto;
  }
}