:root {
  --bg: #0b1220;
  --panel: #152033;
  --panel2: #1b2940;
  --text: #eef3fb;
  --muted: #9aa7b8;
  --accent: #4c8dff;
  --accent2: #6ea8fe;
  --mock: #e6a23c;
  --ok: #3dd68c;
  --bad: #f07178;
  --border: #2a3a55;
  --chat-user: #243656;
  --chat-bot: #1a2a22;
  font-family: "Segoe UI", system-ui, -apple-system, "PingFang SC", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
.top { display: flex; justify-content: space-between; align-items: flex-start;
  padding: 14px 16px; border-bottom: 1px solid var(--border); gap: 12px;
  background: linear-gradient(180deg, #121b2c, transparent); }
h1 { margin: 0; font-size: 1.2rem; letter-spacing: .2px; }
h2 { margin: 0 0 8px; font-size: 1rem; }
h3 { margin: 14px 0 8px; font-size: .95rem; color: var(--muted); }
.sub { margin: 6px 0 0; color: var(--muted); font-size: .86rem; line-height: 1.4; }
.tag-mock { color: var(--mock); }
.badges { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: flex-end; }
.badge { display: inline-block; padding: 5px 10px; border-radius: 999px;
  background: #243044; font-size: .78rem; max-width: 100%; }
.badge.ok { background: #1e3d2f; color: var(--ok); }
.badge.warn { background: #3d321e; color: var(--mock); }
.badge.discuss { background: #1d3358; color: #b7d4ff; border: 1px solid #35588a; }
.badge.discuss.local { background: #3a2f1a; color: #f0c674; border-color: #6a5428; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; padding: 12px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 14px; box-shadow: 0 8px 24px rgba(0,0,0,.18); }
.panel.wide { grid-column: 1 / -1; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.panel-head h2 { margin: 0; }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
input, textarea, button, a.button {
  background: #0f1722; color: var(--text); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px; font-size: 15px; }
input, textarea { flex: 1; min-width: 140px; }
textarea { width: 100%; resize: vertical; line-height: 1.45; }
button, a { cursor: pointer; text-decoration: none; color: var(--text); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:active { background: var(--accent2); }
.chat-hint { margin: 0 0 8px; }
.chat { height: min(42vh, 320px); overflow: auto; background: #0f1722; border-radius: 12px; padding: 10px; font-size: .92rem; border: 1px solid var(--border); }
.chat .m { margin: 8px 0; padding: 8px 10px; border-radius: 10px; background: var(--chat-bot); }
.chat .m.user { background: var(--chat-user); }
.chat .role { color: var(--muted); font-size: .72rem; margin-bottom: 4px; }
.chat-compose textarea { min-height: 64px; }
.chat-actions button { flex: 1 1 140px; }
.list { list-style: none; padding: 0; margin: 8px 0; }
.list li { padding: 8px 10px; border-radius: 8px; cursor: pointer; }
.list li:hover, .list li.active { background: #243044; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .8rem; white-space: pre-wrap; }
.events { max-height: 260px; overflow: auto; background: #0f1722; padding: 8px; border-radius: 8px; }
.hint { color: var(--muted); font-size: .85rem; line-height: 1.4; }
.task { border: 1px solid var(--border); border-radius: 10px; padding: 10px; margin: 6px 0; background: var(--panel2); }
.task .st { font-weight: 600; }
.mock-flag { color: var(--mock); font-weight: 700; }
iframe { width: 100%; height: 200px; border: 1px solid var(--border); border-radius: 10px; background: #fff; }
footer { padding: 12px 16px 28px; color: var(--muted); font-size: .82rem; }
.login-wall {
  min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background: radial-gradient(ellipse at top, #1a2740 0%, var(--bg) 62%);
}
.login-card {
  width: min(400px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 22px;
  display: flex; flex-direction: column; gap: 12px;
  box-shadow: 0 16px 40px rgba(0,0,0,.28);
}
.login-card h1 { margin: 0; font-size: 1.35rem; }
.login-label { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; color: var(--muted); }
.login-label input { width: 100%; padding: 12px; font-size: 16px; }
.login-error { color: var(--bad); margin: 0; font-size: .9rem; }
.app-shell[hidden], .login-wall[hidden] { display: none !important; }
#btnLogout { margin-left: 0; }
@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; padding: 10px; gap: 10px; }
  .top { flex-direction: column; padding: 12px; }
  .badges { width: 100%; justify-content: flex-start; }
  .chat { height: min(46vh, 360px); }
  input, textarea, button { font-size: 16px; }
  .panel { padding: 12px; border-radius: 12px; }
  iframe { height: 220px; }
}