:root { color-scheme: light dark; --fg: #1d2330; --bg: #fbfbfd; --muted: #5b6475; --accent: #2457d6; --danger: #b3261e; --ok: #1b6e3c; --line: #d9dde6; }
@media (prefers-color-scheme: dark) { :root { --fg: #e7eaf1; --bg: #14171f; --muted: #a2a9b8; --accent: #7aa2ff; --danger: #ff8a80; --ok: #6fd39a; --line: #2b3140; } }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.55 system-ui, sans-serif; color: var(--fg); background: var(--bg); }
header, footer { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .75rem max(1rem, calc(50% - 360px)); border-bottom: 1px solid var(--line); }
footer { border: 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; margin-top: 3rem; }
nav { display: flex; gap: 1rem; align-items: center; }
nav form { display: inline; }
main { max-width: 720px; margin: 0 auto; padding: 1.5rem 1rem; }
h1 { font-size: 1.7rem; line-height: 1.25; } h2 { font-size: 1.2rem; margin-top: 2rem; }
a { color: var(--accent); } .brand { font-weight: 700; text-decoration: none; color: var(--fg); }
form { display: grid; gap: .75rem; margin: .75rem 0; }
label { display: grid; gap: .25rem; } label.check { display: flex; gap: .5rem; align-items: flex-start; }
input, select { font: inherit; padding: .6rem .7rem; min-height: 44px; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: inherit; }
input[type=checkbox] { min-height: 0; margin-top: .3rem; }
button { font: inherit; min-height: 44px; padding: .6rem 1rem; border: 0; border-radius: 8px; background: var(--accent); color: #fff; cursor: pointer; justify-self: start; }
button.danger { background: var(--danger); } button.link { background: none; color: var(--accent); padding: 0; min-height: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .5rem 0; border-bottom: 1px solid var(--line); } .row form { margin: 0; }
.flash { padding: .6rem .8rem; border-radius: 8px; border: 1px solid; } .flash.ok { color: var(--ok); } .flash.err { color: var(--danger); }
.note { color: var(--muted); font-size: .95rem; } code { word-break: break-all; } .token { user-select: all; }
@media (max-width: 480px) { .row { flex-direction: column; align-items: stretch; } }

/* копирование токена и инструкция */
.copyrow { margin: 12px 0; }
.copyrow label { display: block; margin-bottom: 4px; font-weight: 600; }
.copybox { display: flex; gap: 8px; align-items: stretch; }
.copybox input { flex: 1 1 auto; min-width: 0; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.copybox button.copy { flex: 0 0 auto; white-space: nowrap; }
ol.steps { padding-left: 1.2em; }
h3 { margin: 18px 0 6px; font-size: 1.05em; }
@media (max-width: 560px) { .copybox { flex-direction: column; } }