:root{--bg:#f4f5f7;--card:#fff;--ink:#16181d;--muted:#6b7280;--line:#e5e7eb;--brand:#c0392b;--brand-d:#a52f23;--err-bg:#fdeceb;--err:#a52f23;--shadow:0 1px 2px rgba(16,24,40,.05),0 12px 32px rgba(16,24,40,.10)}
@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--card:#171a21;--ink:#f3f4f6;--muted:#9aa1ad;--line:#272b35;--err-bg:#3a1a18;--err:#ff9a8f;--shadow:0 1px 2px rgba(0,0,0,.4),0 12px 32px rgba(0,0,0,.5)}}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{min-height:100%;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.hero{position:relative;overflow:hidden;background:linear-gradient(145deg,#1b1e26 0%,#2a1613 55%,#c0392b 140%);color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:space-between}
.hero svg.plan{position:absolute;inset:0;width:100%;height:100%;opacity:.16}
.brand{display:flex;align-items:center;gap:12px;position:relative;font-weight:700;letter-spacing:.14em;font-size:15px}
.brand i{width:34px;height:34px;border-radius:9px;background:var(--brand);display:grid;place-items:center;font-style:normal;font-weight:800;letter-spacing:0}
.hero h2{position:relative;font-size:34px;line-height:1.15;margin:0 0 12px;font-weight:700;max-width:16ch}
.hero p{position:relative;margin:0;max-width:38ch;color:#d6d9e0}
.hero .foot{position:relative;font-size:13px;color:#aab0bd}
.panel{display:grid;place-items:center;padding:32px 20px}
.card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:36px 32px}
.card h1{font-size:22px;margin:0 0 4px;font-weight:700}
.card .sub{margin:0 0 24px;color:var(--muted);font-size:14px}
label{display:block;font-size:13px;font-weight:600;margin:0 0 6px}
.field{margin-bottom:16px}
input{width:100%;height:44px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--ink);padding:0 14px;font:inherit;outline:none;transition:border-color .15s,box-shadow .15s}
input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(192,57,43,.18)}
.pw{position:relative}.pw input{padding-right:64px}
.pw button{position:absolute;right:6px;top:6px;height:32px;border:0;background:transparent;color:var(--muted);font:inherit;font-size:13px;cursor:pointer;padding:0 10px;border-radius:8px}
.pw button:hover{color:var(--ink)}
.btn{width:100%;height:46px;border:0;border-radius:10px;background:var(--brand);color:#fff;font:inherit;font-weight:600;cursor:pointer;transition:background .15s,transform .05s}
.btn:hover{background:var(--brand-d)}.btn:active{transform:translateY(1px)}.btn[disabled]{opacity:.6;cursor:default}
.err{display:none;background:var(--err-bg);color:var(--err);border-radius:10px;padding:10px 12px;font-size:13.5px;margin-bottom:16px}
.err.on{display:block}
.note{margin:18px 0 0;text-align:center;font-size:12.5px;color:var(--muted)}
.top{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--line);background:var(--card)}
.top .brand{color:var(--ink)}
.top .who{display:flex;gap:14px;align-items:center;color:var(--muted);font-size:14px}
.top button{border:1px solid var(--line);background:transparent;color:var(--ink);height:36px;padding:0 14px;border-radius:9px;font:inherit;cursor:pointer}
.main{max-width:760px;margin:64px auto;padding:0 20px}
.main .tile{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:var(--shadow)}
.main h1{margin:0 0 8px;font-size:24px}.main p{color:var(--muted);margin:0}
@media (max-width:860px){.wrap{grid-template-columns:1fr}.hero{display:none}.panel{min-height:100vh}}