:root{--bg:#f1f2fb;--card:#fff;--ink:#14152d;--muted:#6b6e8a;--line:#e4e6f4;--blue:#2f5bea;--blue-soft:#e8edff;--err:#c62828;--err-bg:#fdecec;--font:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#0f1020;--card:#1a1c33;--ink:#f2f3ff;--muted:#9a9db9;--line:#2a2d4d;--blue:#6d8cff;--blue-soft:#232a52;--err:#ff8a80;--err-bg:#3a1f26}}
*{box-sizing:border-box;margin:0}
body{font-family:var(--font);background:var(--bg);color:var(--ink);min-height:100dvh;display:grid;place-items:center;padding:calc(20px + env(safe-area-inset-top,0px)) 16px calc(20px + env(safe-area-inset-bottom,0px));-webkit-font-smoothing:antialiased}
.box{width:100%;max-width:420px;background:var(--card);border-radius:28px;padding:28px 22px;box-shadow:0 6px 22px rgba(40,50,120,.1)}
.logo{display:block;margin:0 auto 18px;height:40px;width:auto}
h1{font-size:1.6rem;font-weight:800;text-align:center}
.sub{color:var(--muted);text-align:center;margin:6px 0 20px;font-weight:600;font-size:.95rem}
label{display:block;font-weight:700;font-size:.9rem;margin:14px 0 6px}
input[type=text],input[type=email],input[type=password]{width:100%;min-height:48px;padding:11px 14px;border-radius:14px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font:inherit;font-size:1rem}
input:focus-visible{outline:3px solid var(--blue);outline-offset:1px}
.btn{display:block;width:100%;min-height:50px;margin-top:22px;border:0;border-radius:999px;background:var(--blue);color:#fff;font:inherit;font-weight:800;font-size:1rem;cursor:pointer;transition:transform .18s}
.btn:active{transform:scale(.97)}
.alt{text-align:center;margin-top:18px;color:var(--muted);font-weight:600;font-size:.92rem}
.alt a{color:var(--blue);font-weight:800;text-decoration:none}
.home{display:block;text-align:center;margin-top:12px;color:var(--muted);font-weight:700;font-size:.88rem;text-decoration:none}
.err{background:var(--err-bg);color:var(--err);border-radius:14px;padding:11px 14px;font-weight:700;font-size:.9rem;margin-bottom:6px}
.ok{background:var(--blue-soft);color:var(--blue);border-radius:14px;padding:11px 14px;font-weight:700;font-size:.9rem;margin-bottom:6px}
.hint{color:var(--muted);font-size:.8rem;font-weight:600;margin-top:5px}