:root {
    color-scheme: dark;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    background: #081018;
    color: #f4f7f8;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 15% 20%, rgba(43, 166, 147, .18), transparent 32rem),
        radial-gradient(circle at 85% 85%, rgba(181, 112, 48, .14), transparent 28rem),
        #081018;
}
.layout {
    width: min(1080px, calc(100% - 32px));
    min-height: 100vh;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    align-items: center;
    gap: clamp(32px, 7vw, 90px);
    padding: 48px 0;
}
.eyebrow { color: #57d2bd; letter-spacing: .16em; font-size: .78rem; font-weight: 800; }
h1 { font-size: clamp(3.2rem, 8vw, 6.5rem); line-height: .9; margin: 16px 0 24px; letter-spacing: -.06em; }
h2 { margin: 0 0 24px; font-size: 1.8rem; }
.lead { color: #aab8bf; line-height: 1.7; max-width: 33rem; }
.status { display: inline-flex; align-items: center; gap: 9px; margin: 20px 0; font-weight: 700; }
.status span { width: 10px; height: 10px; border-radius: 50%; }
.status.online span { background: #50d7a4; box-shadow: 0 0 16px #50d7a4; }
.status.offline span { background: #e7a34c; }
.download { display: inline-flex; margin: 2px 0 12px; padding: 12px 17px; border: 1px solid #3e6e70; border-radius: 10px; color: #8fe5d5; font-weight: 800; text-decoration: none; background: rgba(54, 167, 150, .08); }
.download:hover { background: rgba(54, 167, 150, .16); }
dl { border-top: 1px solid #23333d; margin-top: 24px; max-width: 29rem; }
dl div { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid #23333d; }
dt { color: #84949d; } dd { margin: 0; font-weight: 750; }
.card { background: rgba(16, 28, 37, .92); border: 1px solid #273a45; border-radius: 22px; padding: clamp(24px, 4vw, 42px); box-shadow: 0 30px 90px rgba(0,0,0,.36); }
form { display: grid; gap: 16px; }
label { display: grid; gap: 7px; color: #c7d1d6; font-size: .88rem; font-weight: 650; }
input, select { width: 100%; border: 1px solid #304854; border-radius: 10px; background: #0a151d; color: #fff; padding: 12px 13px; font: inherit; outline: none; }
input:focus, select:focus { border-color: #4bc9b3; box-shadow: 0 0 0 3px rgba(75,201,179,.13); }
.columns { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
button { border: 0; border-radius: 11px; padding: 14px; background: linear-gradient(135deg,#55d4bd,#2b9f91); color: #041411; font: inherit; font-weight: 850; cursor: pointer; margin-top: 4px; }
button:hover { filter: brightness(1.08); }
.notice { border-radius: 10px; padding: 12px 14px; margin: -8px 0 18px; line-height: 1.45; }
.success { background: rgba(74,207,156,.12); border: 1px solid rgba(74,207,156,.4); color: #8be5c1; }
.error { background: rgba(231,91,91,.1); border: 1px solid rgba(231,91,91,.38); color: #ffabab; }
.fineprint { color: #6f8089; font-size: .78rem; margin: 18px 0 0; text-align: center; }
@media (max-width: 760px) { .layout { grid-template-columns: 1fr; padding: 40px 0; } h1 { font-size: 4rem; } }
@media (max-width: 500px) { .columns { grid-template-columns: 1fr; } }