:root { --bg: #111; --panel: #1c1c1c; --line: #2e2e2e; --text: #f2f2f2; --muted: #a8a8a8; --red: #e50914; --ok: #46d17a; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }     /* forms are grids: hidden must still win */
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
header { padding: 16px; border-bottom: 1px solid var(--line); }
.brand { color: var(--text); text-decoration: none; font-weight: 800; font-size: 20px; display: inline-flex; align-items: center; gap: 10px; }
.brand b { color: var(--red); }
.mark { width: 22px; height: 22px; border-radius: 6px; background: var(--red); clip-path: polygon(22% 12%, 22% 88%, 92% 50%); }
main { max-width: 640px; margin: 0 auto; padding: 8px 16px 48px; }
h1 { font-size: 26px; line-height: 1.2; margin: 24px 0 12px; }
h2 { font-size: 19px; margin: 28px 0 8px; }
a { color: #ff6b63; }
ol, ul { padding-left: 22px; }
li { margin: 6px 0; }
.small { color: var(--muted); font-size: 15px; }
.ip { font-family: ui-monospace, Menlo, Consolas, monospace; }
form { display: grid; gap: 14px; margin: 18px 0; }
[data-for] { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-size: 15px; color: var(--muted); }
input, textarea { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px; width: 100%; }
input:focus, textarea:focus { outline: 2px solid var(--red); border-color: transparent; }
input[name=code] { font-size: 28px; letter-spacing: 6px; text-transform: uppercase; text-align: center; font-family: ui-monospace, Menlo, monospace; }
fieldset.seg { border: 0; padding: 0; margin: 0; display: flex; gap: 8px; flex-wrap: wrap; }
fieldset.seg legend { color: var(--muted); font-size: 15px; margin-bottom: 6px; }
fieldset.seg label { flex: 1; min-width: 130px; display: flex; gap: 8px; align-items: center; color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
fieldset.seg input { width: auto; }
button, .button { font: inherit; font-weight: 700; color: #fff; background: var(--red); border: 0; border-radius: 10px; padding: 14px 18px; cursor: pointer; text-decoration: none; display: inline-block; text-align: center; }
button:disabled { opacity: .6; }
.tv-code { font-size: 15px; color: var(--muted); }
.tv-code b { color: var(--text); font-family: ui-monospace, Menlo, monospace; letter-spacing: 3px; }
.error { color: #ff8a80; }
#done h2, #family-done h2 { color: var(--ok); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
code { background: var(--panel); padding: 1px 5px; border-radius: 5px; font-size: 14px; }