:root{color-scheme:light dark;--bg:#f7f8fb;--card:hsla(0,0%,100%,.86);--text:#101827;--muted:#637083;--accent:#635bff;--border:rgba(100,116,139,.22)}@media (prefers-color-scheme:dark){:root{--bg:#090d18;--card:rgba(17,24,39,.82);--text:#eef4ff;--muted:#9aa8bd;--accent:#8b83ff;--border:rgba(148,163,184,.22)}}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:radial-gradient(circle at top left,rgba(99,91,255,.18),transparent 32rem),var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.shell{max-width:1120px;margin:0 auto;padding:28px 18px}.nav{display:flex;justify-content:space-between;align-items:center;margin-bottom:48px}.brand{font-weight:800;letter-spacing:-.04em;font-size:22px}.nav a{color:var(--muted)}.hero{display:grid;grid-template-columns:1.1fr .9fr;grid-gap:32px;gap:32px;align-items:center}.card{border:1px solid var(--border);background:var(--card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 20px 60px rgba(15,23,42,.12);border-radius:28px;padding:28px}h1{font-size:clamp(42px,7vw,76px);line-height:.93;letter-spacing:-.07em}h1,h2{margin:0 0 18px}h2{letter-spacing:-.04em}p{color:var(--muted);line-height:1.7}.form{display:grid;grid-gap:14px;gap:14px}.inputRow{display:grid;grid-template-columns:1fr auto;grid-gap:10px;gap:10px}input,select{width:100%;border:1px solid var(--border);background:transparent;color:var(--text);border-radius:14px;padding:14px 16px;outline:none}button{border:0;border-radius:14px;padding:14px 18px;cursor:pointer;background:var(--accent);color:#fff;font-weight:700;transition:transform .15s ease,opacity .15s ease}button:hover{transform:translateY(-1px)}button.secondary{background:rgba(99,91,255,.12);color:var(--text);border:1px solid var(--border)}button.danger{background:#ef4444}button:disabled{opacity:.55;cursor:not-allowed;transform:none}.error{color:#ef4444;font-weight:700}.success{color:#10b981;font-weight:700}.grid{display:grid;grid-template-columns:340px 1fr;grid-gap:20px;gap:20px}.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}.emailAddress{font-size:clamp(24px,5vw,42px);font-weight:850;letter-spacing:-.05em;word-break:break-all}.list{display:grid;grid-gap:10px;gap:10px;margin-top:18px}.item{text-align:left;width:100%;background:transparent;color:var(--text);border:1px solid var(--border);padding:16px}.item strong{display:block}.muted{color:var(--muted)}.emailHtml{border:1px solid var(--border);border-radius:18px;padding:18px;overflow:auto;background:hsla(0,0%,100%,.04)}.adminTable{width:100%;border-collapse:collapse}.adminTable td,.adminTable th{border-bottom:1px solid var(--border);padding:12px 8px;text-align:left}@media (max-width:820px){.grid,.hero,.inputRow{grid-template-columns:1fr}.nav{margin-bottom:28px}}