:root { --fg: #1a1a1a; --muted: #666; --accent: #c0392b; --ok: #1e7e34; --line: #ddd; }
* { box-sizing: border-box; }
body { font: 15px/1.5 system-ui, sans-serif; color: var(--fg); margin: 0; }
header { display: flex; align-items: center; gap: 1rem; padding: .75rem 1.5rem;
         border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); }
header nav { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.who { color: var(--muted); font-size: .9rem; }
main { max-width: 820px; margin: 1.5rem auto; padding: 0 1.5rem; }
h1 { font-size: 1.4rem; } h2 { font-size: 1.1rem; }
a { color: var(--accent); }
.muted { color: var(--muted); } .ok { color: var(--ok); } .err { color: var(--accent); }
.row { display: flex; gap: .75rem; align-items: center; }
.row.between { justify-content: space-between; }
.card { border: 1px solid var(--line); border-radius: 8px; padding: 1.25rem; margin: 1rem 0; }
.centered { max-width: 420px; margin: 4rem auto; text-align: center; }
button, .button { display: inline-block; background: var(--accent); color: #fff; border: 0;
         border-radius: 6px; padding: .5rem .9rem; font: inherit; cursor: pointer;
         text-decoration: none; }
button:disabled { background: #bbb; cursor: not-allowed; }
button.link { background: none; color: var(--accent); padding: 0; }
form.inline { display: inline; margin: 0; }
label { display: block; margin: .75rem 0; }
label.checkbox, label.checkbox input { display: inline; }
input[type=text], input[type=password], input[type=file], textarea {
         display: block; width: 100%; margin-top: .25rem;
         padding: .45rem; border: 1px solid var(--line); border-radius: 6px; font: inherit; }
textarea { resize: vertical; }
.set-titles { display: flex; flex-direction: column; gap: .5rem; margin: .5rem 0 1rem; }
.set-title span { display: block; font-size: .8rem; font-family: ui-monospace, monospace; }
input[type=file] { padding: .3rem; }
table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
th, td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--line); }
.flags { font-family: ui-monospace, monospace; letter-spacing: .15em; }
.progress { list-style: none; padding: 0; font-family: ui-monospace, monospace; font-size: .9rem; }
.status { min-height: 1.2em; } .summary { color: var(--muted); }
code { background: #f4f4f4; padding: .05rem .3rem; border-radius: 4px; }
footer { max-width: 820px; margin: 2rem auto; padding: 1rem 1.5rem; border-top: 1px solid var(--line);
         display: flex; align-items: center; gap: 1.25rem; font-size: .85rem; color: var(--muted); }
footer .yt-link { display: inline-flex; align-items: center; gap: .4rem; }
footer .yt-link img { display: block; }
.legal .yt-logo { display: block; margin-bottom: .5rem; }
.hero { text-align: center; margin: 2.5rem 0 1.5rem; }
.hero .lead { color: var(--muted); font-size: 1.1rem; max-width: 36rem; margin: .75rem auto 1.25rem; }
.card ol { margin: 0; padding-left: 1.25rem; } .card ol li { margin: .4rem 0; }
.legal h2 { margin-top: 1.5rem; } .legal li { margin: .25rem 0; }