/* ---- Page layout ---- */
#subsystems-wrap {
  padding: 24px;
  max-width: 560px;
}

.access-denied {
  padding: 64px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

/* ---- Brand home link ---- */
.topbar-home {
  text-decoration: none;
  color: var(--text);
}
.topbar-home:hover { color: var(--accent-text); }

.subsystems-intro {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 18px;
  line-height: 1.5;
}

/* ---- Add row ---- */
.add-subsystem {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}
.add-subsystem input {
  flex: 1;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
}
.add-subsystem input:focus { outline: none; border-color: var(--accent); }

/* ---- List ---- */
#subsystems-list {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.subsystem-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
.subsystem-row:last-child { border-bottom: none; }
.subsystem-row.saving { opacity: .55; pointer-events: none; }
.subsystem-row.save-error { background: rgba(248,81,73,.08); }

.subsystem-name-input {
  flex: 1;
  font-size: 14px;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 4px 8px;
  margin: -4px -8px;
  font-family: inherit;
}
.subsystem-name-input:hover { border-color: var(--border); }
.subsystem-name-input:focus {
  outline: none;
  background: var(--bg);
  border-color: var(--accent);
}

.subsystem-archive {
  flex-shrink: 0;
  font-size: 12px;
  padding: 4px 10px;
}

.archive-status {
  font-size: 13px;
  color: var(--muted);
  margin: -8px 0 18px;
  line-height: 1.5;
  min-height: 1em;
}
.archive-status.archive-error { color: var(--danger); }

.subsystem-delete {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}
.subsystem-delete:hover { color: var(--danger); border-color: var(--danger); }

.subsystems-empty {
  font-size: 13px;
  color: var(--muted);
  padding: 16px 0;
}