:root {
  --bg: #0f1115;
  --panel: #171a21;
  --line: #2a2f3a;
  --text: #e8eaf0;
  --muted: #9aa1af;
  --accent: #4f8cff;
  --danger: #ff5c5c;
  --ok: #4cd07d;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
#app { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 13px; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 16px;
}
.card h1, .card h3 { margin: 0 0 8px; }
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0 20px; flex-wrap: wrap;
}
.brand { font-weight: 700; letter-spacing: .3px; }
.spacer { flex: 1; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: stretch; }
.col { display: flex; flex-direction: column; gap: 8px; }
.between { justify-content: space-between; align-items: center; }
input, select, textarea {
  background: #0c0e13; color: var(--text);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 10px; font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); }
textarea { width: 100%; resize: vertical; }
button {
  background: var(--line); color: var(--text);
  border: 1px solid transparent; border-radius: 8px;
  padding: 8px 14px; font: inherit; cursor: pointer;
}
button.primary { background: var(--accent); color: #fff; }
button.ghost { background: transparent; border-color: var(--line); }
button:disabled { opacity: .5; cursor: default; }
.tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.tab { flex: 1; background: transparent; border-color: var(--line); }
.tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
button.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
button.danger:hover { background: var(--danger); color: #fff; }
.danger-zone { border-color: var(--danger); }
input[readonly] { color: var(--muted); }
.modal-backdrop {
  position: fixed; inset: 0; z-index: 10;
  background: rgba(0, 0, 0, .55);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal { width: 100%; max-width: 440px; margin: 0; }
.modal .row input { flex: 1; min-width: 0; }
.auth { max-width: 420px; margin: 8vh auto 0; }
.auth form { display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.list { list-style: none; padding: 0; margin: 10px 0 0; }
.list li {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 0; border-top: 1px solid var(--line);
}
.list li .grow { flex: 1; min-width: 0; word-break: break-all; }
code { background: #0c0e13; border: 1px solid var(--line); padding: 1px 5px; border-radius: 5px; font-size: 12px; }
pre { background: #0c0e13; border: 1px solid var(--line); padding: 10px; border-radius: 8px; overflow-x: auto; font-size: 12px; }
.msg { min-height: 1.2em; font-size: 13px; margin: 6px 0 0; }
.msg.ok { color: var(--ok); }
.msg.err { color: var(--danger); }
.key-once { color: var(--ok); font-family: monospace; font-size: 13px; }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--line); color: var(--muted); }
.badge.on { color: var(--ok); }
.empty { color: var(--muted); font-size: 13px; padding: 6px 0; }
details { margin-top: 12px; }
summary { cursor: pointer; color: var(--muted); }