:root {
  --bg: #0e1116;
  --panel: #171b22;
  --panel2: #1f242d;
  --line: #2a313c;
  --text: #e6e9ef;
  --muted: #8b95a5;
  --accent: #4c9aff;
  --ok: #3fb950;
  --warn: #d29922;
  --bad: #f85149;
}
* { box-sizing: border-box; }
/* hidden attribute'u, display set eden kurallari (.login-overlay/.row vb.) ezmeli */
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--panel);
}
.brand { font-weight: 700; font-size: 18px; letter-spacing: .3px; }
.brand span { color: var(--accent); }
.conn { font-size: 12px; color: var(--muted); }
.conn.live { color: var(--ok); }

.stats { display: flex; gap: 12px; flex-wrap: wrap; padding: 16px 20px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 16px; min-width: 120px; }
.stat b { display: block; font-size: 22px; }
.stat span { color: var(--muted); font-size: 12px; }

main { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 0 20px 40px; }
@media (max-width: 900px) { main { grid-template-columns: 1fr; } }
.col { display: flex; flex-direction: column; gap: 16px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.card-h { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.card-h h2 { margin: 0; font-size: 14px; font-weight: 600; }
.list { padding: 8px 12px; max-height: 340px; overflow: auto; }

.row { display: flex; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
input, select {
  background: var(--panel2); border: 1px solid var(--line); color: var(--text);
  border-radius: 8px; padding: 8px 10px; font: inherit; flex: 1; min-width: 0;
}
.btn {
  background: var(--accent); color: #04122b; border: 0; border-radius: 8px;
  padding: 8px 14px; font-weight: 600; cursor: pointer; white-space: nowrap;
}
.btn.ghost { background: var(--panel2); color: var(--text); border: 1px solid var(--line); }
.btn:hover { filter: brightness(1.08); }

.gw { border: 1px solid var(--line); border-radius: 10px; margin: 8px 0; }
.gw-h { display: flex; align-items: center; gap: 8px; padding: 8px 12px; }
.gw-h .name { font-weight: 600; }
.lines { padding: 4px 12px 10px; }
.ln { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-top: 1px dashed var(--line); }
.ln .idx { color: var(--muted); width: 44px; }
.ln .sig { width: 60px; }
.ln .sim { flex: 1; color: var(--muted); }

.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot.online, .dot.registered, .dot.sent, .dot.active { background: var(--ok); }
.dot.offline, .dot.failed, .dot.disabled { background: var(--bad); }
.dot.registering, .dot.queued, .dot.assigned, .dot.idle { background: var(--warn); }
.dot.no_sim, .dot.blocked, .dot.error { background: var(--bad); }

.item { display: flex; align-items: center; gap: 8px; padding: 7px 4px; border-bottom: 1px solid var(--line); }
.item:last-child { border-bottom: 0; }
.item .grow { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tag { font-size: 11px; color: var(--muted); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; }

.msgs .item .dir { font-size: 11px; width: 34px; }
.dir.in { color: var(--ok); } .dir.out { color: var(--accent); }
.logs { font: 12px/1.5 ui-monospace, Menlo, monospace; color: var(--muted); }
.logs div { padding: 2px 0; border-bottom: 1px solid var(--line); word-break: break-all; }
select.mini { flex: 0 0 auto; min-width: 120px; }

.header-right { display: flex; align-items: center; gap: 12px; }
.whoami { font-size: 12px; color: var(--muted); }

.login-overlay {
  position: fixed; inset: 0; background: var(--bg);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.login-box {
  display: flex; flex-direction: column; gap: 12px; width: 300px; max-width: 90vw;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 28px;
}
.login-box .brand { font-size: 22px; text-align: center; }
.login-sub { margin: 0 0 4px; color: var(--muted); font-size: 13px; text-align: center; }
.login-box input { flex: none; }
.login-box .btn { padding: 10px; }
.login-err { color: var(--bad); font-size: 13px; text-align: center; }

.setting-row { display: flex; flex-direction: column; gap: 4px; padding: 8px 4px; border-bottom: 1px solid var(--line); }
.setting-row label { font-size: 12px; color: var(--muted); }
.setting-row input, .setting-row select { flex: none; width: 100%; }