:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --ok: #22c55e;
  --warn: #f59e0b;
  --bad: #ef4444;
  --radius: 8px;
  font-family: "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.5; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #0d1117; padding: 2px 6px; border-radius: 4px; font-size: 0.9em; }

.topnav {
  display: flex; align-items: center; gap: 1rem; padding: 0.75rem 1.5rem;
  background: var(--surface); border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.topnav .brand { font-weight: 700; color: var(--text); }
.topnav a { color: var(--muted); }
.topnav a.active, .topnav a:hover { color: var(--text); }
.topnav .spacer { flex: 1; }
.topnav .muted { color: var(--muted); font-size: 0.85rem; }

.container { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }
h1 { margin: 0 0 0.5rem; font-size: 1.5rem; }
h2 { margin: 0 0 0.75rem; font-size: 1.1rem; }
.muted { color: var(--muted); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1rem 0; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin: 1rem 0; }
@media (max-width: 900px) { .grid-2, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem 1.25rem; margin-bottom: 1rem;
}
.stat .stat-label { color: var(--muted); font-size: 0.85rem; }
.stat .stat-value { font-size: 1.75rem; font-weight: 700; margin: 0.25rem 0; }
.stat .stat-value.ok { color: var(--ok); }
.stat .stat-value.warn { color: var(--warn); }
.stat .stat-sub { color: var(--muted); font-size: 0.8rem; }

table.kv { width: 100%; }
table.kv td { padding: 0.35rem 0; border-bottom: 1px solid var(--border); }
table.kv td:first-child { color: var(--muted); width: 40%; }

table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--border); }
table.data.compact td, table.data.compact th { padding: 0.35rem 0.5rem; font-size: 0.9rem; }

.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.8rem; }
.tag.ok { background: rgba(34,197,94,0.15); color: var(--ok); }
.tag.warn { background: rgba(245,158,11,0.15); color: var(--warn); }
.ok { color: var(--ok); }
.bad { color: var(--bad); }

.btn-primary, .btn-sm, button {
  background: var(--accent); color: #fff; border: none; border-radius: 6px;
  padding: 0.5rem 1rem; cursor: pointer; font-size: 0.9rem;
}
.btn-sm { padding: 0.35rem 0.65rem; font-size: 0.8rem; margin: 0.15rem; }
.btn-sm.bad { background: var(--bad); }
button:hover { opacity: 0.9; }
.btn-row { margin-top: 0.75rem; }

.alert { padding: 0.75rem; border-radius: 6px; margin: 0.75rem 0; }
.alert-warn { background: rgba(245,158,11,0.12); border: 1px solid var(--warn); }

.login-box { max-width: 400px; margin: 4rem auto; padding: 2rem; background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border); }
.login-box input { width: 100%; padding: 0.6rem; margin: 0.5rem 0 1rem; border-radius: 6px; border: 1px solid var(--border); background: var(--bg); color: var(--text); }
.login-divider { display: flex; align-items: center; gap: 0.75rem; margin: 1.25rem 0; color: var(--muted); font-size: 0.85rem; }
.login-divider::before, .login-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.btn-tg {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  width: 100%; padding: 0.65rem 1rem; border-radius: 6px;
  background: #229ED9; color: #fff; font-weight: 600; text-decoration: none;
}
.btn-tg:hover { background: #1d8fc4; text-decoration: none; opacity: 1; }
.btn-tg .tg-icon { width: 1.25rem; height: 1.25rem; flex-shrink: 0; }
.tg-widget-wrap { display: flex; justify-content: center; min-height: 44px; }
.hint { font-size: 0.8rem; color: var(--muted); margin-top: 1rem; }

.tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.tabs a { padding: 0.4rem 0.9rem; border-radius: 6px; background: var(--surface); border: 1px solid var(--border); color: var(--muted); }
.tabs a.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.inline-form { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.inline-form select, .inline-form input { padding: 0.4rem; border-radius: 6px; border: 1px solid var(--border); background: var(--bg); color: var(--text); }

.chat-panel { max-height: 70vh; overflow-y: auto; }
.chat-row { padding: 0.5rem 0; }
.chat-row.in .chat-meta { color: #93c5fd; }
.chat-row.out .chat-meta { color: #86efac; }
.chat-meta { font-size: 0.8rem; color: var(--muted); margin-bottom: 0.25rem; }
.chat-body { white-space: pre-wrap; word-break: break-word; font-size: 0.95rem; }
.chat-sep { border: none; border-top: 1px dashed var(--border); margin: 0.5rem 0; }

.log-panel { max-height: 75vh; overflow: auto; font-family: ui-monospace, monospace; font-size: 0.78rem; }
.log-line { padding: 0.15rem 0; border-bottom: 1px solid rgba(45,58,79,0.5); word-break: break-all; }
.log-event { color: var(--accent); }

.code-block { background: #0d1117; padding: 1rem; border-radius: 6px; overflow: auto; font-size: 0.8rem; }
.scan-block { margin-bottom: 0.75rem; }
.scan-report { padding: 0.5rem; border-left: 3px solid var(--border); margin: 0.5rem 0; font-size: 0.85rem; }
.sub-block { padding: 0.35rem 0; font-size: 0.9rem; }

details { margin: 0.5rem 0; }
details summary { cursor: pointer; padding: 0.35rem 0; }