:root {
  --bg: #f6f7f9; --panel: #fff; --ink: #1b1f24; --muted: #5d6673; --line: #dfe3e8;
  --accent: #c0263a; --accent-ink: #fff; --ok: #1d7a46; --warn: #a66300; --err: #b42318; --code: #f0f2f5;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #12151a; --panel: #1a1e25; --ink: #e6e9ee; --muted: #9aa3ae; --line: #2c323b;
    --accent: #e0485c; --ok: #4cc38a; --warn: #f0a640; --err: #f97066; --code: #232831; color-scheme: dark; }
}
:root[data-theme="dark"] { --bg: #12151a; --panel: #1a1e25; --ink: #e6e9ee; --muted: #9aa3ae; --line: #2c323b;
  --accent: #e0485c; --ok: #4cc38a; --warn: #f0a640; --err: #f97066; --code: #232831; color-scheme: dark; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { background: var(--bg); color: var(--ink); font: 14px/1.5 system-ui, -apple-system, Segoe UI, sans-serif; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
header { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; align-items: center; padding: .7rem 1rem; background: var(--panel);
  border-bottom: 1px solid var(--line); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; }
.brand { font-weight: 700; color: var(--ink); font-size: 1.05rem; } .brand span { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: .2rem; flex: 1; }
nav a { padding: .3rem .65rem; border-radius: 6px; color: var(--muted); }
nav a.on { background: var(--code); color: var(--ink); font-weight: 600; }
.me { color: var(--muted); font-size: .9em; }
main { max-width: 1100px; margin: 0 auto; padding: 1.2rem 1rem 4rem; }
h1 { font-size: 1.4rem; margin: .2rem 0 1rem; display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
h2 { font-size: 1.05rem; margin: 1.6rem 0 .6rem; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; margin-bottom: 1rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1rem; }
.tbl { overflow-x: auto; } table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .85em; }
label { display: block; font-weight: 600; margin: .8rem 0 .25rem; }
label.inline { display: inline-flex; gap: .4rem; align-items: center; font-weight: 500; margin: .3rem 1rem .3rem 0; }
input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%; max-width: 32rem; padding: .45rem .55rem; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--ink); font: inherit; }
.row { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.row input[type=text] { width: auto; flex: 1 1 10rem; }
button, .btn { font: inherit; padding: .42rem .85rem; border-radius: 6px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button.danger { color: var(--err); border-color: var(--err); }
button:disabled { opacity: .5; cursor: wait; }
.muted { color: var(--muted); } .small { font-size: .85em; }
.pill { display: inline-block; padding: .05rem .5rem; border-radius: 99px; font-size: .8em; background: var(--code); color: var(--muted); }
.pill.ok { color: var(--ok); } .pill.warn { color: var(--warn); } .pill.err { color: var(--err); }
code, pre { background: var(--code); border-radius: 5px; font: 12.5px/1.45 ui-monospace, Menlo, Consolas, monospace; }
code { padding: .1rem .3rem; word-break: break-all; }
pre { padding: .7rem; overflow-x: auto; white-space: pre-wrap; word-break: break-word; max-height: 28rem; }
details.help { margin: .3rem 0; } details.help summary { cursor: pointer; color: var(--accent); width: fit-content; }
details.help summary::marker { content: ''; } details.help summary::before { content: '? '; font-weight: 700; }
details.help > div { background: var(--code); padding: .7rem .9rem; border-radius: 8px; margin-top: .4rem; max-width: 46rem; }
.steps { list-style: none; padding: 0; margin: 0; max-height: 50vh; overflow-y: auto; }
.steps li { padding: .25rem 0; border-bottom: 1px dashed var(--line); }
.steps li.warn { color: var(--warn); } .steps li.error { color: var(--err); font-weight: 600; } .steps li.ok { color: var(--ok); font-weight: 600; }
#modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; padding: 1rem; z-index: 20; }
#modal .box { background: var(--panel); border-radius: 12px; padding: 1.2rem; width: min(760px, 100%); max-height: 90vh; overflow-y: auto; }
.login { max-width: 22rem; margin: 12vh auto; }
.err { color: var(--err); } .ok { color: var(--ok); }
.dom { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; margin: .2rem 0; }
.tunnel { border-top: 1px solid var(--line); padding: .6rem 0; }
.code-big { font: 700 1.3rem ui-monospace, monospace; letter-spacing: .1em; }
label > input, label > select, label > textarea { display: block; margin-top: .25rem; font-weight: 400; }
.row select { width: auto; flex: 0 1 auto; }
.row input[type=number] { width: 10rem; }
.steps li { white-space: pre-wrap; word-break: break-word; }