:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e8eef5;
  --muted: #8b9cb3;
  --accent: #3d8bfd;
  --ok: #1e6b45;
  --err: #8b2e2e;
  --border: #2a3548;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: #121a24;
}
.muted { color: var(--muted); margin-left: 8px; font-size: 0.9rem; }
.small { font-size: 0.85rem; }

.wrap { max-width: 900px; margin: 0 auto; padding: 24px 16px 48px; }
.app-version { text-align: center; padding: 8px; font-size: 0.75rem; border-top: 1px solid var(--border); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.login-card { max-width: 420px; margin: 40px auto; }
.lead { color: var(--muted); }
.small { font-size: 0.85rem; }

.form label {
  display: block;
  margin: 14px 0 6px;
  font-size: 0.9rem;
}
.form input[type="text"],
.form input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #0f1419;
  color: var(--text);
}

.btn {
  display: inline-block;
  margin-top: 8px;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #243044;
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  font-size: 0.95rem;
}
.btn.primary { background: var(--accent); border-color: #2f6fd4; color: #fff; }
.btn:hover { filter: brightness(1.08); }

.alert {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
}
.alert.flash { transition: opacity 0.2s ease; }
.alert.error { background: var(--err); }
.alert.ok { background: var(--ok); }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
}
.panel summary {
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 600;
}
.panel-body { padding: 0 16px 16px; }

.cmd {
  border-top: 1px solid var(--border);
  padding: 14px 0;
}
.cmd h3 { margin: 0 0 4px; font-size: 1rem; }
.hint { margin: 0 0 10px; color: var(--muted); font-size: 0.88rem; }
.current { margin: 0 0 10px; font-size: 0.9rem; color: #9ec5ff; }
.current strong { color: #cfe0ff; }
.cmd-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.cmd-form .narrow { width: 100px; padding: 8px; border-radius: 6px; border: 1px solid var(--border); background: #0f1419; color: var(--text); }
.cmd-form .wide { flex: 1; min-width: 200px; padding: 8px; border-radius: 6px; border: 1px solid var(--border); background: #0f1419; color: var(--text); }
.cmd-form .btn:disabled { opacity: 0.6; cursor: wait; }
.switch { display: flex; align-items: center; gap: 8px; }

.log pre {
  background: #0a0e14;
  padding: 12px;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.85rem;
  white-space: pre-wrap;
}