:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel2: #1e222b;
  --text: #e7e9ee;
  --muted: #8b909c;
  --accent: #4f8cf7;
  --accent2: #3a76d6;
  --danger: #e0556b;
  --ok: #4caf74;
  --border: #2a2f3a;
  --tag: #2b3344;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9;
    --panel: #ffffff;
    --panel2: #f0f2f5;
    --text: #1a1d24;
    --muted: #6b7280;
    --border: #e2e5ea;
    --tag: #e7ebf2;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.8rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.nav .brand { font-weight: 700; font-size: 1.1rem; }
.nav .links { display: flex; gap: 1rem; }
.nav a { color: var(--text); text-decoration: none; opacity: 0.8; }
.nav a:hover { opacity: 1; }

.container { max-width: 1100px; margin: 1.5rem auto; padding: 0 1rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.2rem;
}
.card-label { color: var(--muted); font-size: 0.85rem; }
.card-value { font-size: 1.6rem; font-weight: 700; margin-top: 0.2rem; }
.card-sub { color: var(--muted); font-size: 0.85rem; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
  margin-bottom: 1.5rem;
}
.panel.narrow { max-width: 420px; margin: 3rem auto; }
.panel.narrow label { color: var(--muted); font-size: 0.9rem; margin: 0.8rem 0; }
.panel.narrow label input { display: block; width: 100%; margin-top: 0.35rem; color: var(--text); }
.panel.narrow .btn { width: 100%; margin-top: 0.6rem; padding: 0.65rem 1rem; }
.panel h2 { margin-top: 0; font-size: 1.15rem; }
.panel h3 { font-size: 1rem; margin-bottom: 0.4rem; }

.row { display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.tag {
  display: inline-block; font-size: 0.7rem; padding: 0.1rem 0.4rem;
  background: var(--tag); border-radius: 4px; color: var(--muted);
}

.btn {
  background: var(--panel2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 0.95rem;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.small { padding: 0.25rem 0.6rem; font-size: 0.8rem; }

input, select, textarea {
  background: var(--panel2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  font-size: 0.95rem;
  font-family: inherit;
}
label { display: block; margin: 0.4rem 0; }
label.check { display: flex; align-items: center; gap: 0.5rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
@media (max-width: 600px) { .grid2 { grid-template-columns: 1fr; } }

textarea { width: 100%; resize: vertical; }
.prompt-input { margin-top: 0.4rem; min-height: 2.5rem; font-size: 0.85rem; }
.prompt-big { min-height: 12rem; width: 100%; }

.search { width: 100%; margin: 0.6rem 0; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.table th { color: var(--muted); font-weight: 600; }

.chat-list { margin-top: 0.6rem; }
.chat-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.8rem;
  align-items: start;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
}
.chat-title { font-weight: 600; }
.chat-info .muted { font-size: 0.8rem; }

.step { margin-top: 0.8rem; }
.hidden { display: none !important; }
.msg { margin-top: 0.6rem; min-height: 1.2rem; }
.msg.error { color: var(--danger); }
.msg.ok { color: var(--ok); }
.status-line { margin-bottom: 0.6rem; }

/* switch */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--border); border-radius: 24px; transition: 0.2s;
}
.slider:before {
  content: ""; position: absolute; height: 18px; width: 18px; left: 3px; top: 3px;
  background: #fff; border-radius: 50%; transition: 0.2s;
}
.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider:before { transform: translateX(20px); }

/* modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-body { background: var(--panel); border-radius: 10px; padding: 1rem; max-width: 800px; width: 90%; max-height: 80vh; overflow: auto; position: relative; }
.modal-close { position: absolute; top: 0.5rem; right: 0.5rem; background: none; border: none; color: var(--text); font-size: 1.2rem; cursor: pointer; }
.cert-list { list-style: none; padding: 0; margin: 0.6rem 0; display: grid; gap: 0.4rem; }
.cert-list li { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.summary-pre { white-space: pre-wrap; word-wrap: break-word; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 0.88rem; }