*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  background: #f5f6f8;
  color: #1f2330;
  font-size: 14px;
  line-height: 1.45;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  background: #1f2330;
  color: #f5f6f8;
  padding: 12px 24px;
}
.topbar .brand { font-weight: 600; }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a {
  color: #cdd0d6;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
}
.topbar nav a.active, .topbar nav a:hover { background: #303644; color: #fff; }
.topbar .logout { color: #cdd0d6; text-decoration: none; }
.topbar .logout:hover { color: #fff; }

.container { max-width: 1200px; margin: 0 auto; padding: 24px; }

h1 { margin-top: 0; }

.login-card {
  max-width: 380px;
  margin: 80px auto;
  padding: 28px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.login-card form { display: flex; flex-direction: column; gap: 12px; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.login-card input { padding: 8px; border: 1px solid #d4d8e0; border-radius: 6px; font-size: 14px; }
.login-card button {
  margin-top: 8px;
  padding: 10px;
  background: #2b6df0;
  color: #fff;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}
.login-card button:hover { background: #1f5ad6; }
.login-card .error { background: #ffe8e8; color: #b00020; padding: 8px; border-radius: 6px; margin-bottom: 8px; }

table.grid { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,0.04); }
table.grid th, table.grid td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #eef0f4; vertical-align: middle; }
table.grid th { background: #f8f9fb; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: #5b6275; }
table.grid tr.blocked { background: #fff6f6; color: #8a4a4a; }
table.grid tr:last-child td { border-bottom: 0; }
table.grid .empty { color: #99a; text-align: center; padding: 24px; }
table.grid .actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

button { padding: 6px 12px; border: 1px solid #d4d8e0; background: #fff; border-radius: 6px; cursor: pointer; font-size: 13px; }
button:hover { background: #f0f2f5; }
button.danger { color: #b00020; border-color: #f0c0c0; }
button.danger:hover { background: #ffe8e8; }

.btn { display: inline-block; padding: 5px 10px; border: 1px solid #d4d8e0; border-radius: 6px; text-decoration: none; color: #1f2330; background: #fff; font-size: 13px; }
.btn:hover { background: #f0f2f5; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.badge.green { background: #def7e3; color: #1a7531; }
.badge.red   { background: #ffe1e1; color: #a4102a; }
.badge.gray  { background: #ececef; color: #5b6275; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-left: 6px; vertical-align: middle; }
.dot.online { background: #22c55e; }
.dot.offline { background: #b3b3b3; }

.notice { padding: 8px 12px; border-radius: 6px; margin-bottom: 12px; }
.notice.ok { background: #def7e3; color: #1a7531; }
.notice.error { background: #ffe1e1; color: #a4102a; }

.prompts-form { display: flex; flex-direction: column; gap: 16px; max-width: 900px; }
.prompts-form label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 13px; }
.prompts-form textarea, .prompts-form input { font: inherit; padding: 8px; border: 1px solid #d4d8e0; border-radius: 6px; }
.prompts-form textarea { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 13px; }
.prompts-form small { color: #6a7080; font-weight: normal; }
.prompts-form button { align-self: flex-start; padding: 10px 18px; background: #2b6df0; color: #fff; border: 0; font-weight: 600; }
.prompts-form button:hover { background: #1f5ad6; }

.cards { display: flex; gap: 16px; margin-bottom: 24px; }
.card { background: #fff; padding: 16px 20px; border-radius: 8px; min-width: 180px; box-shadow: 0 1px 4px rgba(0,0,0,0.04); }
.card-label { color: #6a7080; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.card-value { font-size: 28px; font-weight: 700; margin-top: 4px; }

.dialog { display: flex; flex-direction: column; gap: 12px; }
.msg { padding: 12px; border-radius: 8px; background: #fff; max-width: 80%; box-shadow: 0 1px 3px rgba(0,0,0,0.04); }
.msg.msg-user { background: #e8f0fe; align-self: flex-end; }
.msg.msg-assistant { background: #fff; align-self: flex-start; }
.msg-meta { display: flex; gap: 8px; align-items: center; font-size: 12px; margin-bottom: 6px; color: #5b6275; }
.msg-meta .role { font-weight: 600; color: #1f2330; }
.msg-body { white-space: pre-wrap; word-wrap: break-word; }
.msg-extra { margin-top: 6px; font-size: 12px; }
.msg-extra pre { background: #f5f6f8; padding: 8px; border-radius: 6px; overflow: auto; max-height: 200px; }

.dialog-head .muted { color: #6a7080; font-size: 13px; }
.muted { color: #6a7080; }
.empty { color: #6a7080; padding: 24px; text-align: center; }

.pagination { margin-top: 16px; display: flex; gap: 4px; flex-wrap: wrap; }
.pagination a { padding: 6px 10px; border: 1px solid #d4d8e0; border-radius: 6px; text-decoration: none; color: #1f2330; background: #fff; font-size: 13px; }
.pagination a.active { background: #2b6df0; color: #fff; border-color: #2b6df0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.grid-2 section { background: #fff; padding: 16px; border-radius: 8px; box-shadow: 0 1px 4px rgba(0,0,0,0.04); }
.grid-2 form { display: flex; flex-direction: column; gap: 8px; }
.grid-2 input { padding: 8px; border: 1px solid #d4d8e0; border-radius: 6px; }

@media (max-width: 700px) {
  .topbar { flex-wrap: wrap; gap: 8px; }
  .topbar nav { width: 100%; flex-wrap: wrap; }
  .grid-2 { grid-template-columns: 1fr; }
}