:root{color-scheme:light;--ink:#112c32;--teal:#00877f;--line:#cad8d8;--paper:#f3f7f6}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:var(--paper);color:var(--ink);font:16px/1.5 system-ui,sans-serif;display:grid;place-items:center;padding:24px}
main{width:min(100%,440px);padding:36px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 18px 48px #112c3214}
.brand{color:var(--teal);font-size:.85rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
h1{font-size:1.65rem;line-height:1.2;margin:12px 0 24px}
p{color:#456067}
form{display:grid;gap:14px}
label{font-weight:700}
input{width:100%;min-height:48px;border:1px solid var(--line);border-radius:9px;padding:10px 12px;font:inherit;color:var(--ink)}
button{min-height:48px;border:0;border-radius:9px;padding:10px 16px;background:var(--teal);color:#fff;font:inherit;font-weight:750;cursor:pointer}
button:focus-visible,input:focus-visible{outline:3px solid #72c9c0;outline-offset:2px}
button+button{background:#eef5f4;color:var(--ink)}
[role=alert]{padding:12px;border:1px solid #e9b7b7;border-radius:8px;background:#fff5f5;color:#8d1c1c}
.admin main{width:min(100%,1000px)}
.admin nav{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}
.admin nav form,.admin .inline{display:inline-flex;align-items:center;margin:0}
.admin table{width:100%;border-collapse:collapse;margin:16px 0 28px}
.admin th,.admin td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:top}
.admin code,.admin pre{overflow-wrap:anywhere;white-space:pre-wrap}
.admin .secret{border:2px solid var(--teal);border-radius:12px;padding:18px;background:#f3fffc}
.admin .secret pre{font-size:1.1rem;font-weight:800}