:root {
  color-scheme: light dark;
  --bg: #0b0d10;
  --fg: #e7e9ea;
  --muted: #9aa2ab;
  --card: #14171a;
  --border: #262a2e;
  --accent: #25d366;
  --accent-fg: #06180f;
  --danger: #e5484d;
  --warn: #e6a23c;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8f9;
    --fg: #14171a;
    --muted: #5b6570;
    --card: #ffffff;
    --border: #e2e5e8;
    --accent: #1fa855;
    --accent-fg: #ffffff;
    --danger: #d1373d;
    --warn: #b9790a;
  }
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  line-height: 1.5;
}
.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
}
h1, h2, h3 { letter-spacing: -0.01em; margin: 0; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
p { margin: 0; }
p.lead { color: var(--muted); margin: 0.4rem 0 1.75rem; }
a { color: inherit; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
}
.topbar .brand { display: flex; align-items: center; gap: 0.6rem; }
.topbar .dot { width: 9px; height: 9px; border-radius: 999px; background: var(--accent); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.4rem 1.5rem;
  margin-bottom: 1.1rem;
}

label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.35rem; }
input[type="text"], input[type="password"], input[type="url"] {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  font-size: 0.95rem;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.field { margin-bottom: 1rem; }
.hint { font-size: 0.78rem; color: var(--muted); margin-top: 0.3rem; }

button {
  font: inherit;
  cursor: pointer;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
}
button:hover { border-color: var(--muted); }
button:disabled { opacity: 0.5; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
button.danger { color: var(--danger); border-color: var(--danger); }
button.ghost { border-color: transparent; padding: 0.5rem 0.6rem; }
.btn-row { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.error { color: var(--danger); font-size: 0.85rem; margin-top: 0.6rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.65rem 0.5rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; }
tr.row:hover { background: color-mix(in srgb, var(--border) 40%, transparent); cursor: pointer; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  white-space: nowrap;
}
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 999px; background: var(--muted); }
.badge.ok::before { background: var(--accent); }
.badge.ok { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.badge.warn::before { background: var(--warn); }
.badge.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, var(--border)); }
.badge.danger::before { background: var(--danger); }
.badge.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); }

.empty { color: var(--muted); font-size: 0.9rem; padding: 1rem 0; text-align: center; }

pre.snippet {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 0.9rem 1rem;
  font-size: 0.85rem;
  overflow-x: auto;
  margin: 0.6rem 0 0;
}

.qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 0;
}
.qr-box img { width: 220px; height: 220px; border-radius: 10px; border: 1px solid var(--border); background: #fff; padding: 10px; }
.qr-box .msg { color: var(--muted); font-size: 0.85rem; text-align: center; }

.paired-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem 0;
  text-align: center;
}
.paired-box .num { font-size: 1.3rem; font-weight: 700; }

.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--fg);
  color: var(--bg);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.toast.show { opacity: 1; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 10;
}
.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  max-width: 420px;
  width: 100%;
}
.modal p { color: var(--muted); font-size: 0.9rem; margin: 0.5rem 0 1.2rem; }

.spacer { flex: 1; }
.row { display: flex; align-items: center; gap: 0.6rem; }
.between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.section-title { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); margin-bottom: 0.6rem; }

ul.log-list { list-style: none; margin: 0; padding: 0; font-size: 0.83rem; }
ul.log-list li { padding: 0.45rem 0; border-bottom: 1px solid var(--border); color: var(--muted); }
ul.log-list li:last-child { border-bottom: none; }
ul.log-list li .type { color: var(--fg); font-weight: 600; margin-right: 0.4rem; }

.hidden { display: none !important; }