:root{color-scheme:light;--bg:#f1f5f9;--surface:#fff;--text:#0f172a;--muted:#64748b;--border:#dbe3ec;--accent:#2563eb;--accent-hover:#1d4ed8;--danger:#b42318;--danger-bg:#fff1f0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% 0,#fff 0,#f8fafc 34rem,var(--bg) 100%);color:var(--text)}button,input{font:inherit}.auth-shell{display:grid;min-height:100dvh;place-items:center;padding:24px}.auth-card{width:min(440px,100%);padding:32px;border:1px solid var(--border);border-radius:18px;background:color-mix(in srgb,var(--surface) 96%,transparent);box-shadow:0 22px 64px rgb(15 23 42/.11)}.auth-card-wide{width:min(760px,100%)}.product-mark{display:grid;width:42px;height:42px;place-items:center;border-radius:11px;background:var(--text);color:#fff;font-weight:800}.eyebrow{margin:22px 0 5px;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.step-mark{float:right;padding:6px 9px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:11px}h1{margin:0;font-size:clamp(25px,5vw,34px);line-height:1.15;letter-spacing:-.035em}.description{margin:12px 0 24px;color:var(--muted);font-size:14px;line-height:1.55}.alert{margin:0 0 18px;padding:12px 14px;border:1px solid #fecdca;border-radius:10px;background:var(--danger-bg);color:var(--danger);font-size:13px;line-height:1.45}form{display:grid;gap:8px}label{margin-top:8px;font-size:12px;font-weight:700}input{width:100%;min-height:48px;padding:0 13px;border:1px solid #b8c4d1;border-radius:10px;background:#fff;color:var(--text);font-size:16px;outline:none;transition:border-color 180ms ease,box-shadow 180ms ease}input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgb(37 99 235/.12)}.otp-input{font-size:21px;font-weight:750;letter-spacing:.3em;font-variant-numeric:tabular-nums;text-align:center}button{min-height:48px;margin-top:14px;border:0;border-radius:10px;background:var(--accent);color:#fff;font-weight:750;cursor:pointer;transition:background-color 180ms ease,box-shadow 180ms ease}button:hover{background:var(--accent-hover)}button:focus-visible,summary:focus-visible{outline:3px solid rgb(37 99 235/.3);outline-offset:3px}.field-help,.privacy-note{margin:0;color:var(--muted);font-size:11px;line-height:1.45}.privacy-note{margin:18px 0 0;text-align:center}.qr-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:28px;align-items:center;margin-bottom:18px}.qr-frame{overflow:hidden;padding:8px;border:1px solid var(--border);border-radius:14px;background:#fff}.qr-frame img{display:block;width:100%;height:auto}.qr-layout ol{margin:0;padding-left:21px;color:#334155;font-size:14px;line-height:1.65}.qr-layout details{margin-top:16px;padding:12px;border:1px solid var(--border);border-radius:10px}.qr-layout summary{min-height:28px;cursor:pointer;color:var(--accent);font-size:12px;font-weight:700}.qr-layout code{display:block;margin-top:9px;overflow-wrap:anywhere;font-size:13px}.qr-layout details p{margin:7px 0 0;color:var(--muted);font-size:11px}@media(max-width:640px){.auth-shell{padding:14px}.auth-card{padding:24px 20px;border-radius:14px}.qr-layout{grid-template-columns:1fr}.qr-frame{width:min(300px,100%);margin:0 auto}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition-duration:.01ms!important}}