:root{--yellow:#ffd400;--ink:#171817;--muted:#656b65}*{box-sizing:border-box}body{margin:0;background:#f5f5f1;color:var(--ink);font-family:Inter,system-ui,sans-serif}nav{background:#111;color:white;padding:20px 6vw;display:flex;align-items:center;justify-content:space-between}a{color:inherit}.brand{font-weight:950;font-size:23px;letter-spacing:.15em;text-decoration:none}main{max-width:650px;margin:32px auto;padding:0 18px}.card{padding:28px;background:white;border:1px solid #e1e3da;border-radius:22px}.eyebrow{font-size:12px;font-weight:850;letter-spacing:.1em}h1{font-size:36px;letter-spacing:-.04em;margin:12px 0}p{line-height:1.6}.muted,.helper{color:var(--muted);font-size:14px}.steps{display:flex;gap:12px;font-size:12px;margin:22px 0}.steps span{flex:1;padding:12px;background:#f6f6ee;border-radius:10px}.steps span:first-child{background:#fff5bf;font-weight:800}label{display:block;font-size:14px;font-weight:750;margin:16px 0 7px}input,select{width:100%;padding:14px;border:1px solid #cdd1c6;border-radius:11px;font:inherit;font-size:16px}input:focus,select:focus{outline:2px solid #b79c12;outline-offset:2px}.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.btn{display:inline-flex;justify-content:center;align-items:center;width:100%;min-height:48px;padding:14px 20px;background:var(--yellow);color:#111;border:0;border-radius:12px;font:inherit;font-weight:850;text-decoration:none;cursor:pointer;margin-top:18px}.btn:disabled{opacity:.6;cursor:wait}.check{display:flex;align-items:flex-start;gap:10px;font-weight:500;font-size:13px;line-height:1.6}.check input{width:20px;height:20px;flex:none;margin-top:1px}.helper{margin:14px 0}details{margin-top:18px;font-size:14px}summary{cursor:pointer}.msg{display:none;padding:16px;background:#fff8d4;border-radius:12px;margin-top:18px;line-height:1.6}.msg.error{background:#fff0ed;color:#8b2924}[hidden]{display:none!important}.preview-identity{display:flex;align-items:center;gap:16px;margin:22px 0}.preview-avatar{height:64px;width:64px;background:var(--yellow);border-radius:16px;display:grid;place-items:center;font-size:24px;font-weight:900}.preview-identity h2{font-size:23px;margin:0 0 5px}.preview-identity p{margin:0;font-size:14px;color:var(--muted)}.lock{background:#f5f5ef;border:1px solid #e1e3da;padding:18px;border-radius:12px}.lock h3{margin:0 0 8px;font-size:17px}.lock p{font-size:14px;margin-bottom:0}.preview-status{display:inline-block;background:#fff1b6;padding:7px 11px;border-radius:99px;font-size:12px;font-weight:800}.login-link{text-align:center;font-size:14px;margin:22px 0 0}@media(max-width:520px){main{margin:20px auto;padding:0 14px}.card{padding:22px}.row{grid-template-columns:1fr;gap:0}h1{font-size:31px}.steps{gap:6px}.steps span{padding:9px;font-size:11px}nav{padding:17px 20px}}

/* Smartphone polish: desktop rules are intentionally untouched. */
@media (max-width:600px){

main{margin:18px auto 28px;padding:0 14px}
.card{padding:22px 18px;border-radius:20px;box-shadow:0 6px 24px #17181708}
h1{font-size:30px;line-height:1.15}
.row{grid-template-columns:1fr;gap:0}
.steps{gap:6px}.steps span{padding:10px 8px;line-height:1.5;font-size:12px}
input{min-height:50px}.btn{min-height:52px;font-size:16px}
nav{padding:14px 18px}nav>a:last-child{min-height:44px;display:flex;align-items:center}
summary{min-height:44px;padding:10px 0}
.check{padding:8px 0;font-size:14px}

}

.signup-photo-preview{width:88px;height:88px;object-fit:cover;border-radius:20px;margin:8px 0}
.signup-photo-actions{display:flex;flex-wrap:wrap;gap:8px}
.photo-choice{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 14px;margin:0;border:1px solid #cdd1c6;border-radius:10px;background:#fff;font:inherit;font-size:14px;cursor:pointer}
.photo-choice input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;padding:0}
.photo-choice:focus-within{outline:2px solid #b79c00;outline-offset:2px}