:root{color-scheme:light;--ink:#193029;--muted:#64716b;--green:#006f54;--line:#dce4df;--soft:#f2f7f4}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);font:16px/1.6 "Malgun Gothic","Apple SD Gothic Neo",sans-serif}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{max-width:1040px;margin:auto;padding:24px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:18px}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--green);color:white}
.home-link{font-size:14px;color:var(--muted)}
main{max-width:880px;margin:0 auto;padding:58px 24px 72px}
.intro{margin-bottom:32px}.eyebrow{color:var(--green);font-size:12px;letter-spacing:.08em;font-weight:700;margin:0 0 12px}
h1{font-size:32px;line-height:1.35;letter-spacing:-.035em;margin:0 0 14px}
h2{font-size:21px;letter-spacing:-.025em;margin:0 0 12px}
p{margin:0 0 16px}
#page-description,.muted{color:var(--muted)}
.cards,.manage-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.card{padding:30px;border:1px solid var(--line);border-radius:16px;background:#fff}
.card.featured{background:var(--soft);border-color:#cadfd1}
.step{font-size:12px;color:var(--green);font-weight:700;margin-bottom:20px}
.button,button{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:10px 18px;border-radius:9px;font:inherit;font-weight:700;border:1px solid var(--green);background:var(--green);color:#fff;cursor:pointer}
.button:hover{background:#005d46;text-decoration:none}
.secondary{background:#fff;color:var(--green)}
button:disabled{opacity:.5;cursor:wait}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px}
.form-card{max-width:590px;margin:auto}.login-card{max-width:480px}
.field{display:block;margin-bottom:18px}
.field>span{display:block;font-weight:700;font-size:14px;margin-bottom:7px}
input,textarea{display:block;width:100%;border:1px solid #bac8bf;border-radius:8px;padding:11px 12px;background:white;color:var(--ink);font:inherit}
input:focus,textarea:focus{outline:3px solid #d6ebdf;border-color:var(--green)}
.hint{font-size:12px;color:var(--muted);margin-top:6px}
.required{color:var(--green)}
.checkbox{display:flex;align-items:flex-start;gap:10px;margin:22px 0;font-size:14px}
.checkbox input{width:18px;height:18px;flex-shrink:0;margin-top:4px;accent-color:var(--green)}
.form-bottom{border-top:1px solid var(--line);padding-top:20px;margin-top:26px;font-size:14px}
.notice{border-radius:9px;padding:13px 16px;margin:0 0 24px;background:#eef7f0;border:1px solid #c2ddc9}
.notice.error{background:#fff2ef;border-color:#ecc9c1;color:#8b3529}
.key-box{background:var(--soft);border-radius:12px;padding:18px;margin-top:18px}
.key-box label{font-size:13px;font-weight:700}
#installation-code{resize:none;margin-top:8px;font:14px/1.5 ui-monospace,Consolas,monospace;min-height:102px;overflow-wrap:anywhere}
.status{display:inline-flex;border-radius:20px;padding:4px 10px;background:#e3f2e8;color:var(--green);font-size:12px;font-weight:700;margin-bottom:18px}
.detail{display:grid;grid-template-columns:88px 1fr;gap:8px;font-size:13px;margin:16px 0}
.detail dt{color:var(--muted)}.detail dd{margin:0;overflow-wrap:anywhere}
.instructions{padding-left:20px;font-size:14px;color:var(--muted);margin:18px 0 0}
.instructions li{margin-bottom:8px}
.top-actions{display:flex;justify-content:flex-end;margin-bottom:18px}
footer{max-width:1040px;margin:auto;padding:24px 32px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
[hidden]{display:none!important}
@media(max-width:680px){.site-header{padding:18px 20px}.home-link{font-size:12px}.brand{font-size:16px}main{padding:36px 20px 48px}h1{font-size:27px}.cards,.manage-grid{grid-template-columns:1fr}.card{padding:24px}.actions .button,.actions button{flex:1}.top-actions{justify-content:flex-start}}