:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --card: #ffffff;
  --fg: #16181d;
  --muted: #6b7280;
  --border: #e2e5ea;
  --accent: #2f6fed;
  --ok: #12864b;
  --warn: #a86300;
  --err: #c02626;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card: #1c1f25;
    --fg: #e8eaee;
    --muted: #9aa2ae;
    --border: #2c313a;
    --accent: #5b8cf5;
    --ok: #3fca86;
    --warn: #e0a33a;
    --err: #f0736b;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2rem 1rem 3rem;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main { max-width: 760px; margin: 0 auto; }

header { margin-bottom: 1.5rem; }
h1 { margin: 0 0 .25rem; font-size: 1.6rem; letter-spacing: -.02em; }
h2 { margin: 0; font-size: 1rem; }
.sub { margin: 0; color: var(--muted); }

code {
  font-family: var(--mono);
  font-size: .9em;
  background: color-mix(in srgb, var(--fg) 8%, transparent);
  padding: .1em .35em;
  border-radius: 4px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 1rem;
}

.row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: .5rem .75rem;
  align-items: center;
  margin-bottom: .75rem;
}
.row label { color: var(--muted); font-size: .9rem; }
.row .hint { grid-column: 2; color: var(--muted); font-size: .8rem; margin-top: -.25rem; }

input[type="text"], input[type="password"] {
  width: 100%;
  padding: .5rem .6rem;
  font: inherit;
  font-family: var(--mono);
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.actions { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0 .25rem; }

button {
  font: inherit;
  padding: .5rem .9rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.ghost { border-color: transparent; color: var(--muted); padding: .3rem .5rem; font-size: .85rem; }
button.ghost:hover { color: var(--fg); }

.status { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .28rem .7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: .84rem;
  color: var(--muted);
}
.pill .dot {
  width: .55rem; height: .55rem;
  border-radius: 50%;
  background: var(--muted);
  flex: none;
}
.pill.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.pill.ok .dot { background: var(--ok); }
.pill.err { color: var(--err); border-color: color-mix(in srgb, var(--err) 40%, transparent); }
.pill.err .dot { background: var(--err); }
.pill.busy .dot { background: var(--warn); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .25; } }

.session {
  margin-top: 1rem;
  padding: .9rem 1rem;
  border: 1px dashed var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.session-label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
.session-code {
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: .18em;
  margin-right: auto;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 1.1rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.stats dt { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }
.stats dd { margin: .15rem 0 0; font-family: var(--mono); }

.log-head { display: flex; align-items: center; gap: .75rem; margin-bottom: .6rem; }
.log-head h2 { margin-right: auto; }
.chk { color: var(--muted); font-size: .85rem; display: inline-flex; align-items: center; gap: .35rem; }

.log {
  margin: 0;
  max-height: 320px;
  overflow: auto;
  font-family: var(--mono);
  font-size: .8rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--muted);
}
.log .line { display: block; }
.log .ok { color: var(--ok); }
.log .warn { color: var(--warn); }
.log .err { color: var(--err); }
.log .dim { opacity: .6; }

.warn { color: var(--warn); }

footer { color: var(--muted); font-size: .85rem; }
footer p { margin: 0; }