:root{--forest:#432b7a;--forest-2:#52378f;--lime:#18a9d0;--ink:#211c29;--muted:#77717f;--line:#e4e0e9;--paper:#fff;--wash:#f6f5f9;--danger:#9b2c2c;--shadow:0 24px 70px rgba(53,35,83,.15)}
*{box-sizing:border-box}
html{min-height:100%;background:var(--wash)}
body{margin:0;min-height:100vh;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:radial-gradient(circle at 10% 0,#e5f7fb 0,transparent 32%),linear-gradient(135deg,#f1eef7,#fbfafd)}
button,input{font:inherit}
.installer{min-height:100vh;display:grid;grid-template-columns:minmax(320px,.82fr) minmax(520px,1.18fr);align-items:stretch}
.install-intro{position:relative;overflow:hidden;background:linear-gradient(160deg,#2e1d57,#4b2f84);color:#fff;padding:clamp(42px,7vw,96px);display:flex;flex-direction:column;justify-content:center}
.install-intro:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(183,223,54,.18);border-radius:50%;right:-215px;bottom:-170px;box-shadow:0 0 0 50px rgba(183,223,54,.035),0 0 0 110px rgba(183,223,54,.025)}
.brand-mark{width:58px;height:58px;display:grid;place-items:center;border-radius:18px;background:var(--lime);color:var(--forest);font-size:27px;font-weight:900;box-shadow:0 14px 36px rgba(0,0,0,.2);margin-bottom:32px}
.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:800;text-transform:uppercase;color:#8ba297;margin:0 0 10px}
.install-intro .eyebrow{color:#b7df36}
.install-intro h1{font-size:clamp(38px,5vw,64px);line-height:1;letter-spacing:-.045em;margin:0 0 22px;max-width:640px}
.install-intro>p:not(.eyebrow){font-size:17px;line-height:1.7;color:#c5d8cf;max-width:590px;margin:0}
.checks{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.checks span{padding:10px 13px;border:1px solid rgba(255,255,255,.14);border-radius:999px;background:rgba(255,255,255,.07);font-size:12px;font-weight:700;color:#e5f0eb}
.install-card{align-self:center;width:min(760px,calc(100% - 56px));margin:48px auto;background:var(--paper);border:1px solid rgba(215,228,220,.9);border-radius:26px;padding:clamp(25px,4vw,48px);box-shadow:var(--shadow)}
.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:28px}
.card-head>span{background:#e9f7fb;color:#176f89;padding:8px 12px;border-radius:10px;font-size:12px;font-weight:800}
h2{font-size:27px;letter-spacing:-.035em;margin:0}
fieldset{border:0;padding:0;margin:0 0 25px}
legend{width:100%;padding:0 0 11px;margin-bottom:15px;border-bottom:1px solid var(--line);font-size:13px;font-weight:800;color:#345a48}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.wide{grid-column:1/-1}
label{display:grid;gap:7px;color:#3e594c;font-size:12px;font-weight:750}
input{width:100%;border:1px solid #cfded5;border-radius:11px;padding:12px 13px;color:var(--ink);background:#fbfdfb;outline:none;transition:.18s border-color,.18s box-shadow}
input:focus{border-color:#70a244;box-shadow:0 0 0 3px rgba(112,162,68,.13);background:#fff}
small{font-size:11px;font-weight:500;color:var(--muted)}
.primary{display:inline-flex;justify-content:center;align-items:center;width:100%;border:0;border-radius:12px;background:var(--forest);color:#fff;padding:14px 18px;font-weight:800;text-decoration:none;cursor:pointer;box-shadow:0 10px 26px rgba(11,59,43,.2);transition:.18s transform,.18s background}
.primary:hover{background:var(--forest-2);transform:translateY(-1px)}
.errors{border:1px solid #edc9c9;background:#fff5f5;color:var(--danger);border-radius:13px;padding:14px 17px;margin:0 0 22px;font-size:13px}
.errors ul{margin:8px 0 0;padding-left:20px}
.success-icon{width:62px;height:62px;display:grid;place-items:center;border-radius:50%;background:#e8f6d4;color:#386813;font-size:28px;font-weight:900;margin-bottom:22px}
.install-card>p{color:var(--muted);line-height:1.6}
.install-card .primary{margin-top:12px}
.security-note{font-size:12px;margin:20px 0 0!important}
code{background:#edf3ef;border-radius:6px;padding:2px 6px;color:#274d3a}
@media(max-width:920px){.installer{grid-template-columns:1fr}.install-intro{min-height:auto;padding:42px 30px}.install-intro h1{font-size:42px}.brand-mark{margin-bottom:24px}.install-card{width:min(760px,calc(100% - 32px));margin:24px auto 42px}}
@media(max-width:560px){.install-intro{padding:32px 20px}.install-card{padding:22px 18px;border-radius:18px}.grid{grid-template-columns:1fr}.wide{grid-column:auto}.card-head{margin-bottom:22px}.checks{margin-top:24px}.install-intro>p:not(.eyebrow){font-size:15px}}