:root{color:#172033;font-synthesis:none;text-rendering:optimizelegibility;background:#eef3f8;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}.auth-shell{background:linear-gradient(135deg,#071c38 0%,#0b315b 52%,#8e1d2c 100%);grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);min-height:100vh;display:grid}.brand-panel{color:#fff;align-items:flex-start;gap:22px;padding:clamp(48px,8vw,112px);display:flex}.brand-mark{letter-spacing:.08em;background:#ffffff1f;border:2px solid #ffffff80;border-radius:50%;flex:none;place-items:center;width:68px;height:68px;font-weight:850;display:grid}.eyebrow,.step-label{letter-spacing:.1em;text-transform:uppercase;margin:0 0 10px;font-size:.78rem;font-weight:800}.brand-panel h1{max-width:720px;margin:0;font-size:clamp(2.5rem,6vw,5.5rem);line-height:1.02}.brand-copy{color:#ffffffd1;max-width:56ch;margin:24px 0 0;line-height:1.7}.auth-card{background:#fffffff7;border:1px solid #fff9;border-radius:24px;align-self:center;width:min(520px,100% - 40px);margin:40px auto;padding:clamp(28px,5vw,52px);box-shadow:0 30px 90px #00000047}.step-label{color:#9b2030}.auth-card h2{color:#0b2d53;margin:0;font-size:clamp(1.8rem,4vw,2.5rem)}.helper,.security-note{color:#5b6473;line-height:1.6}.helper{margin:12px 0 24px}.security-note{margin:18px 0 0;font-size:.88rem}label{color:#273449;gap:8px;margin:18px 0;font-size:.92rem;font-weight:700;display:grid}input{color:#172033;background:#fff;border:1px solid #b9c5d4;border-radius:10px;width:100%;min-height:48px;padding:10px 13px}input:focus{border-color:#155da0;outline:3px solid #155da026}button{color:#fff;cursor:pointer;background:#0b4d88;border:0;border-radius:10px;width:100%;min-height:48px;margin-top:8px;font-weight:800}button:hover:not(:disabled){background:#083b69}button:disabled{cursor:wait;opacity:.65}.button-secondary{color:#26354b;background:#f5f7fa;border:1px solid #b9c5d4}.button-secondary:hover:not(:disabled){background:#e8edf3}.alert,.success-box{border-radius:10px;margin:18px 0;padding:13px 15px;line-height:1.5}.alert{color:#85202d;background:#fff0f2;border:1px solid #efb7be}.success-box{color:#165c38;background:#edf9f2;border:1px solid #aad8bf}.session-details{gap:10px;margin:24px 0;display:grid}.session-details div{border-bottom:1px solid #e1e7ee;justify-content:space-between;gap:24px;padding:12px 0;display:flex}.session-details dt{color:#687386}.session-details dd{margin:0;font-weight:800}.loading-panel{color:#48566a;align-items:center;gap:12px;display:flex}.spinner{border:3px solid #cbd5df;border-top-color:#0b4d88;border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:840px){.auth-shell{grid-template-columns:1fr}.brand-panel{padding:36px 24px 18px}.brand-panel h1{font-size:clamp(2rem,10vw,3.4rem)}.brand-copy{display:none}.auth-card{margin:18px auto 32px}}@media (prefers-reduced-motion:reduce){.spinner{animation:none}}