:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1c2024;
  --muted: #6b7280;
  --line: #e3e6ea;
  --accent: #2563eb;
  --ok: #15803d;
  --ok-bg: #eaf6ee;
  --bad: #b42318;
  --bad-bg: #fdecea;
  --warn: #9a6200;
  --warn-bg: #fff4d6;
  --code: #f2f4f7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --card: #1c2024;
    --text: #e6e8eb;
    --muted: #9aa2ad;
    --line: #2c3137;
    --accent: #5b93f7;
    --ok: #4ade80;
    --ok-bg: #152a1c;
    --bad: #f87171;
    --bad-bg: #2c1614;
    --warn: #d9a441;
    --warn-bg: #2a2210;
    --code: #101315;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

header {
  padding: 20px 24px 12px;
  border-bottom: 1px solid var(--line);
}
header h1 { margin: 0; font-size: 20px; letter-spacing: .5px; }
header .sub { color: var(--muted); font-size: 13px; }

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 20px 16px 40px;
  display: grid;
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: .3px;
}

.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row + .row { margin-top: 10px; }
.hint { color: var(--muted); font-size: 12.5px; margin: 8px 0 0; }
.inline { font-size: 12.5px; color: var(--muted); }

input[type=text], input[type=password], textarea {
  background: var(--code);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 8px 10px;
  font-size: 14px;
  font-family: inherit;
  width: 100%;
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

#site { flex: 1; min-width: 260px; }
textarea {
  min-height: 260px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
}

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid label { display: block; font-size: 12.5px; color: var(--muted); }
.grid label.wide { grid-column: 1 / -1; }
.grid input { margin-top: 4px; }

.note-box { margin-top: 10px; }
.note-box label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 4px; }
.note-box textarea {
  min-height: 52px;
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
}

button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 7px;
  padding: 9px 16px;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
}
button:hover { filter: brightness(1.08); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }

.status { font-size: 13px; color: var(--muted); }

.out {
  background: var(--code);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px 12px;
  font-size: 12.5px;
  max-height: 180px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-all;
}
.hidden { display: none; }

.steps { display: grid; gap: 8px; }
.step {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13.5px;
}
.step.ok { background: var(--ok-bg); border-color: color-mix(in srgb, var(--ok) 30%, var(--line)); }
.step.warn { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 40%, var(--line)); }
.step.bad { background: var(--bad-bg); border-color: color-mix(in srgb, var(--bad) 30%, var(--line)); }
.step.pending { opacity: .55; }
.step .name { font-weight: 600; }
.step.ok .name { color: var(--ok); }
.step.warn .name { color: var(--warn); }
.step.bad .name { color: var(--bad); }
.step .msg { margin-top: 2px; }
.step .detail { color: var(--muted); font-size: 12.5px; margin-top: 4px; white-space: pre-wrap; word-break: break-all; }
.step .warn-text { color: var(--warn); }

footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 16px 40px;
  color: var(--muted);
  font-size: 12.5px;
}
code { background: var(--code); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
}