:root{color-scheme:dark;--bg:#090b13;--panel:#121624;--line:#293047;--text:#f5f7ff;--muted:#9ca6c4;--accent:#b991ff;--accent2:#67ddff}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(circle at 15% 0,#282044 0,transparent 35%),var(--bg);color:var(--text);font:15px/1.6 system-ui,"Yu Gothic UI",sans-serif;min-height:100vh}
header{display:flex;justify-content:space-between;align-items:center;padding:24px max(24px,calc((100% - 1040px)/2));border-bottom:1px solid var(--line);background:#090b13cc;backdrop-filter:blur(18px);position:sticky;top:0;z-index:2}
h1,h2,p{margin-top:0}h1{font-size:24px;margin-bottom:0}.eyebrow{color:var(--accent2);font-size:11px;letter-spacing:.22em;margin:0 0 4px}
.admin{max-width:1040px;margin:36px auto;padding:0 24px 80px}.intro,section{background:linear-gradient(145deg,#161a2a,#10131f);border:1px solid var(--line);border-radius:20px;padding:26px;margin-bottom:20px;box-shadow:0 18px 60px #0004}
.intro p,.hint,small{color:var(--muted)}.section-title{display:flex;justify-content:space-between;align-items:center}.section-title span{font-size:12px;color:var(--accent2)}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}label{display:flex;flex-direction:column;gap:6px;font-weight:700}label small{font-weight:400}
input,select{width:100%;border:1px solid var(--line);background:#090c16;color:var(--text);border-radius:10px;padding:12px;font:inherit;outline:0}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #b991ff20}
.custom-row{display:grid;grid-template-columns:1fr 30px 1fr auto;gap:12px;align-items:end;margin-top:12px}.custom-row>span{padding-bottom:11px;text-align:center;color:var(--accent2)}
button,.button-link{border:0;border-radius:10px;padding:11px 18px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#10121c;font-weight:800;cursor:pointer;text-align:center;text-decoration:none}.ghost,.danger{background:#1a2032;color:var(--text);border:1px solid var(--line)}.danger{color:#ff9eaf}
.section-actions{display:flex;justify-content:flex-end;gap:12px;align-items:center;margin-top:20px}.connection-result{margin-top:18px;padding:13px;border-radius:10px;background:#1b2132;color:var(--muted)}.connection-result.success{border:1px solid #65dfb0;color:#aaf4d2}.connection-result.error-box{border:1px solid #ff728c;color:#ffafbd}
.actions{display:flex;justify-content:flex-end;align-items:center;gap:18px;position:sticky;bottom:20px;background:#121624e8;border:1px solid var(--line);padding:14px;border-radius:14px;backdrop-filter:blur(16px)}#status{color:var(--muted);margin-right:auto}
.login{display:grid;place-items:center}.login main{width:min(420px,calc(100% - 32px));padding:38px;background:var(--panel);border:1px solid var(--line);border-radius:24px}.login form{display:grid;gap:18px}.login button{margin-top:8px}.mark{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#111426;font-size:25px;font-weight:900;margin-bottom:20px}.error{color:#ff9eaf}
@media(max-width:680px){.grid{grid-template-columns:1fr}.custom-row{grid-template-columns:1fr}.custom-row>span{display:none}header{padding:18px}.admin{padding:0 14px 70px}.section-actions{align-items:stretch;flex-direction:column}.actions{bottom:8px;align-items:stretch;flex-direction:column}#status{margin:0}.actions button{width:100%}}