:root {
  --bg: #fafaf9; --fg: #1c1917; --muted: #57534e; --line: #e7e5e4; --card: #ffffff;
  --accent: #b45309; --accent-fg: #ffffff; --err: #b91c1c; --code: #f5f5f4;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161412; --fg: #f5f5f4; --muted: #a8a29e; --line: #2e2a27; --card: #1f1c1a; --accent: #f59e0b; --accent-fg: #161412; --err: #f87171; --code: #262220; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
header, main, footer { max-width: 860px; margin: 0 auto; padding: 0 16px; }
header { display: flex; align-items: baseline; gap: 20px; padding-top: 22px; padding-bottom: 8px; flex-wrap: wrap; }
header .brand { font-weight: 700; font-size: 18px; color: var(--fg); text-decoration: none; letter-spacing: .2px; }
header nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; }
header nav a { color: var(--muted); text-decoration: none; }
header nav a:hover { color: var(--fg); }
h1 { font-size: 28px; line-height: 1.2; margin: 28px 0 8px; }
h2 { font-size: 19px; margin: 32px 0 8px; }
.lead { color: var(--muted); margin: 0 0 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; }
label { display: block; font-size: 14px; font-weight: 600; margin: 0 0 6px; }
input, textarea, select { width: 100%; font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; }
textarea { min-height: 130px; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin-top: 12px; }
.row > div { flex: 1 1 200px; }
button { font: inherit; font-weight: 600; background: var(--accent); color: var(--accent-fg); border: 0; border-radius: 8px; padding: 10px 18px; cursor: pointer; }
button.secondary { background: transparent; color: var(--fg); border: 1px solid var(--line); }
button:disabled { opacity: .55; cursor: wait; }
.status { margin: 14px 0 0; font-size: 14px; color: var(--muted); min-height: 1.4em; }
.status.error { color: var(--err); }
.results { margin-top: 16px; overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
td.wrap { max-width: 420px; white-space: pre-wrap; word-break: break-word; }
.actions { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.tools { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-top: 18px; }
.tools a.card { text-decoration: none; color: var(--fg); display: block; }
.tools a.card:hover { border-color: var(--accent); }
.tools h3 { margin: 0 0 6px; font-size: 16px; }
.tools p { margin: 0; color: var(--muted); font-size: 14px; }
.bulk { margin-top: 28px; border-left: 3px solid var(--accent); padding: 10px 14px; background: var(--card); border-radius: 0 8px 8px 0; font-size: 15px; }
code { background: var(--code); padding: 1px 5px; border-radius: 4px; font-size: 13px; }
footer { color: var(--muted); font-size: 13px; padding-top: 40px; padding-bottom: 30px; }