:root{color-scheme:light;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#153354;background:#eef5fc}
*{box-sizing:border-box}body{margin:0;min-height:100dvh;padding:clamp(14px,4vw,48px);background:radial-gradient(ellipse at top left,#d0ebff,transparent 60%),linear-gradient(135deg,#f7fbff,#e8eafa)}
.account-card{max-width:640px;margin:auto;padding:clamp(20px,5vw,44px);border:1px solid #ccd9eb;border-radius:24px;background:#fffffff5;box-shadow:0 24px 80px #24477618}
.brand{display:block;text-decoration:none;font-weight:750;color:#153354;font-size:1.35rem}.brand span{display:block;color:#56678b;font-size:.8rem;font-weight:400;margin-top:6px}.eyebrow{font-size:.7rem;font-weight:700;letter-spacing:.16em;color:#5368a6;margin-top:28px}h1{font-size:clamp(1.7rem,6vw,2.5rem);line-height:1.12;margin:12px 0}p{line-height:1.55;color:#53647e}nav{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}button,input,textarea{font:inherit}button{cursor:pointer;border:1px solid #bccce4;color:#19385a;background:#f5f8ff;border-radius:12px;padding:12px 16px;min-height:44px;transition:background .16s,transform .16s}button:hover{background:#e7efff}button:active{transform:translateY(1px)}button:disabled{cursor:default;opacity:.5}.primary{background:#284ac5;color:white;border-color:#284ac5;margin-top:20px;width:100%}.primary:hover{background:#203ca3}label{display:block;font-weight:600;margin:16px 0 8px}input:not([type=checkbox]),textarea{width:100%;border:1px solid #a7b9d0;border-radius:10px;padding:13px;background:#fff;color:#122943;min-height:46px}textarea{resize:vertical;overflow-wrap:anywhere;font-family:ui-monospace,monospace}button:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid #4266ef;outline-offset:3px}.check{display:flex;align-items:flex-start;gap:10px;font-size:.9rem;line-height:1.5}.check input{min-width:20px;min-height:20px}#account-status{border-radius:10px;padding:0;min-height:1.5em}#account-status.error{color:#9d2336;background:#fff0f1;padding:12px}footer{border-top:1px solid #dce5f2;padding-top:20px;margin-top:28px;display:grid;gap:12px;font-size:.85rem}footer span{color:#64758b}a{color:#284ac5}[hidden]{display:none!important}nav button[aria-current=true]{border-color:#284ac5;background:#e8edff}@media(prefers-reduced-motion:reduce){*{transition:none!important}}