:root {
  --bg: #0b0e0f;
  --bg-card: #111516;
  --border: #1f2a26;
  --text: #d7ddd9;
  --muted: #7f8c86;
  --accent: #2fd17a;
  --danger: #e0554f;
  --mono: "JetBrains Mono", "Fira Code", Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  margin: 0;
  line-height: 1.5;
}

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

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: bold; color: var(--accent); }
.topbar nav { display: flex; gap: 16px; align-items: center; }

.container { max-width: 880px; margin: 0 auto; padding: 32px 20px; }

h1 { font-size: 22px; margin-bottom: 4px; }
h2 { font-size: 16px; }

.muted { color: var(--muted); }
.small { font-size: 12px; }

.card-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin-top: 20px; }
.card {
  display: block;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: 6px;
  padding: 16px;
  color: var(--text);
}
.card:hover { border-color: var(--accent); text-decoration: none; }

.badge {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
}

.thread-list { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.thread-item {
  display: flex;
  justify-content: space-between;
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 12px 16px;
  border-radius: 6px;
  color: var(--text);
}
.thread-item.locked { color: var(--muted); }
.thread-item:hover:not(.locked) { border-color: var(--accent); text-decoration: none; }
.lock { font-style: normal; }

.content { margin-top: 20px; border-top: 1px solid var(--border); padding-top: 20px; }
.content :where(p, li) { color: var(--text); }
.content pre { background: var(--bg-card); padding: 12px; border-radius: 6px; overflow-x: auto; }

.file-list { list-style: none; padding: 0; }
.file-list li { padding: 8px 0; border-bottom: 1px solid var(--border); }

.form { display: flex; flex-direction: column; gap: 14px; max-width: 480px; margin-top: 16px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.form input, .form select, .form textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 14px;
}
.form button, button {
  background: var(--accent);
  color: #04221b;
  border: none;
  padding: 10px 16px;
  border-radius: 4px;
  font-family: var(--mono);
  font-weight: bold;
  cursor: pointer;
  width: fit-content;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 13px;
  padding: 0;
  cursor: pointer;
  width: auto;
}
.link-btn.danger { color: var(--danger); }

.error { color: var(--danger); border: 1px solid var(--danger); padding: 8px 12px; border-radius: 4px; }

.admin-table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 13px; }
.admin-table th, .admin-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.admin-table .actions { display: flex; gap: 10px; }

.invite-link { font-size: 11px; word-break: break-all; color: var(--muted); }