:root{--bg:#f4f7f5;--card:#fff;--ink:#14201a;--muted:#5b6b62;--green:#0f7a4a;--green-ink:#fff;--line:#dde6e0;--soft:#e7f3ec;--err:#b42318}
@media (prefers-color-scheme:dark){:root{--bg:#0e1411;--card:#17201b;--ink:#eaf2ed;--muted:#9fb1a6;--green:#34b37a;--green-ink:#06130c;--line:#26332c;--soft:#1c2a22;--err:#ff8a7a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:560px;margin:0 auto;padding:28px 16px 48px}
.marca{margin:0 0 6px;color:var(--green);font-weight:700;letter-spacing:.02em}
h1{font-size:1.7rem;line-height:1.2;margin:0 0 8px}
h2{font-size:1.15rem;margin:0 0 10px}
.intro{color:var(--muted);margin:0 0 20px}
.registro,.app,.como{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px;margin:0 0 18px}
.registro{border:2px solid var(--green)}
label{display:block;font-size:.95rem;color:var(--muted);margin-bottom:6px}
input[type=email]{width:100%;font:inherit;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
input[type=email]:focus{outline:2px solid var(--green);outline-offset:1px}
.oculto{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
button{margin-top:12px;width:100%;font:inherit;font-weight:600;padding:13px;border:0;border-radius:12px;background:var(--green);color:var(--green-ink);cursor:pointer}
button[disabled]{opacity:.6;cursor:wait}
.estado{margin:10px 0 0;min-height:1.5em;font-size:.95rem}
.estado.ok{color:var(--green);font-weight:600}
.estado.error{color:var(--err)}
.titulo-apps{margin:26px 0 12px}
.app{display:flex;gap:14px;align-items:center}
.app img{width:64px;height:64px;border-radius:15px;flex:none}
.app h3{font-size:1.1rem;margin:0}
.app p{margin:2px 0 0;color:var(--muted);font-size:.95rem}
.como ol{margin:0;padding-left:1.2em}
.como li{margin:4px 0}
.nota{font-size:.88rem;color:var(--muted);margin:10px 0 0}
footer{color:var(--muted);font-size:.85rem;text-align:center;margin-top:28px}
footer a{color:inherit}