:root {
  --bg: #0f1115;
  --card: #181b22;
  --border: #2a2f3a;
  --text: #e6e9ef;
  --muted: #8b93a3;
  --accent: #4f8cff;
  --danger: #ff5c5c;
  --online: #3ddc84;
  --offline: #6b7280;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

h1 { font-size: 1.25rem; margin: 0; }
h2 { font-size: 1rem; margin: 0 0 1rem; }

.muted { color: var(--muted); }
.error {
  background: rgba(255, 92, 92, 0.12);
  border: 1px solid var(--danger);
  color: #ffbdbd;
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.1rem 0.35rem;
  border-radius: 5px;
  font-size: 0.9em;
}
.token { user-select: all; word-break: break-all; }

pre {
  background: #0b0d11;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
}
pre code { background: none; padding: 0; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.wrap { max-width: 920px; margin: 1.5rem auto; padding: 0 1.5rem; display: grid; gap: 1.5rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}
.card.narrow { max-width: 360px; margin: 12vh auto; }

label { display: block; margin-bottom: 0.75rem; font-size: 0.85rem; color: var(--muted); }
input {
  display: block;
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.55rem 0.7rem;
  background: #0b0d11;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
}
input:focus { outline: none; border-color: var(--accent); }

.row { display: flex; gap: 1rem; align-items: flex-end; flex-wrap: wrap; }
.row label { flex: 1; min-width: 160px; margin-bottom: 0; }

button {
  padding: 0.55rem 1.1rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
}
button:hover { filter: brightness(1.1); }
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); padding: 0.35rem 0.7rem; }
button.link { background: none; color: var(--muted); padding: 0; }
button.link:hover { color: var(--text); }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 500; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 4px; }
.dot.online { background: var(--online); }
.dot.offline { background: var(--offline); }

input[type="checkbox"] { width: auto; margin: 0; accent-color: var(--accent); cursor: pointer; }
input.port { width: 90px; margin: 0; padding: 0.35rem 0.5rem; }
/* Author input{display:block} would otherwise override the UA [hidden] rule. */
input.port[hidden] { display: none; }

.toolbar { display: flex; align-items: center; gap: 0.9rem; margin-top: 1rem; }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button:disabled:hover { filter: none; }