/* ─── GAUTH shell ──────────────────────────────────────────
   Window chrome, title bar, menu bar, content panel, status
   bar. Mirrors the GAUTH application frame exactly.
   ───────────────────────────────────────────────────────── */

#shell {
  max-width: 1000px;
  margin: 0 auto;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, .16);
}

/* ─── Title bar ────────────────────────────────────────── */
#header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 6px 10px;
  background: linear-gradient(#f6f6f6, #d0d0d0);
  border: 1px solid var(--line);
}

#header h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

#header p {
  margin: 0;
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.mark {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border: 1px solid var(--line);
  background: #bdbdbd;
  box-shadow: inset 1px 1px 0 var(--hi);
}

/* ─── Menu bar ─────────────────────────────────────────── */
#nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 3px 6px;
  background: var(--chrome);
  border: 1px solid var(--line);
  border-top: 0;
}

#nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

#nav a {
  display: block;
  padding: 3px 9px;
  border: 1px solid transparent;
  color: var(--ink);
  text-decoration: none;
}

#nav a:hover,
#nav a:focus {
  background: #000080;
  color: #fff;
  border-color: var(--line);
}

#nav .nav-active {
  background: var(--panel);
  border-color: var(--line);
  box-shadow: inset 1px 1px 0 var(--hi), inset -1px -1px 0 var(--lo);
}

#nav .nav-stub { color: #6b6b6b; }

#nav .nav-stub:hover,
#nav .nav-stub:focus { color: #fff; }

#nav form { margin: 0; }

#nav .nav-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

#nav .nav-actions form { margin: 0; }

#nav button,
#nav .nav-admin-link {
  display: inline-block;
  min-height: 24px;
  padding: 2px 10px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--ink);
  background: var(--chrome);
  border: 1px solid var(--line);
  border-radius: 0;
  text-decoration: none;
  cursor: pointer;
  box-shadow: inset 1px 1px 0 var(--hi), inset -1px -1px 0 var(--lo);
}

#nav .nav-admin-link:hover,
#nav .nav-admin-link:focus {
  background: #e4e4e4;
  color: var(--ink);
}

#nav .nav-admin-link:active {
  box-shadow: inset 1px 1px 0 var(--lo);
}

/* ─── Content panel ────────────────────────────────────── */
#content {
  padding: 16px 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 0;
}

.content-split {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.main-content {
  flex: 1 1 auto;
  min-width: 0;
}

/* ─── Sidebar (docs-nav style) ─────────────────────────── */
.sidebar {
  order: -1;
  flex: 0 0 200px;
  padding: 8px;
  background: var(--chrome);
  border: 1px solid var(--line);
}

.sidebar-section { margin: 0 0 14px; }
.sidebar-section:last-child { margin-bottom: 0; }

.sidebar-title {
  margin: 0 0 8px;
  padding: 0 0 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
}

.archive-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.archive-year { margin: 0 0 6px; }

.archive-year-label {
  font-weight: 700;
  font-size: 12px;
}

.archive-year ul {
  margin: 2px 0 0;
  padding: 0 0 0 12px;
  list-style: none;
}

.archive-month-link {
  display: block;
  padding: 2px 4px;
  font-size: 12px;
  text-decoration: none;
  border: 1px solid transparent;
}

.archive-month-link:hover,
.archive-month-link:focus {
  background: #000080;
  color: #fff;
  border-color: var(--line);
}

.sidebar-empty {
  margin: 0;
  font-size: 12px;
  color: #6b6b6b;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}

.tag-link {
  display: inline-block;
  padding: 1px 6px;
  background: var(--field);
  border: 1px solid var(--line);
  font-size: 11px;
  text-decoration: none;
  box-shadow: inset 1px 1px 0 var(--hi), inset -1px -1px 0 var(--lo);
}

.tag-link:hover,
.tag-link:focus {
  background: #000080;
  color: #fff;
}

/* ─── Status bar ───────────────────────────────────────── */
#footer {
  padding: 4px 8px;
  background: var(--chrome);
  border: 1px solid var(--line);
  border-top: 0;
  font-size: 11px;
}

#footer p { margin: 0; }

/* ─── Responsive ───────────────────────────────────────── */
@media (max-width: 760px) {
  body { padding: 10px 8px 32px; }

  #shell { box-shadow: 2px 2px 0 rgba(0, 0, 0, .14); }

  #header { padding: 5px 8px; gap: 8px; }
  #header h1 { font-size: 14px; }
  #header p { font-size: 10px; }

  #content { padding: 12px 12px 16px; }

  .content-split { display: block; }

  .sidebar {
    flex: none;
    margin: 14px 0 0;
  }
}