.login-container{display:flex;align-items:center;justify-content:center;min-height:100dvh;padding:1.25rem}.login-card{position:relative;width:min(100%,460px);padding:2rem;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:var(--shadow-strong)}.brand-chip{display:inline-flex;align-items:center;justify-content:center;padding:.45rem .8rem;border-radius:999px;background:rgba(47,92,255,.08);color:var(--accent);border:1px solid rgba(47,92,255,.18);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1rem}.back-button{position:absolute;top:1rem;right:1rem;border:1px solid var(--line);background:#f7f9fc;color:var(--text-muted);border-radius:999px;padding:.55rem .85rem}.login-card h1{font-size:2.15rem;line-height:1.05;margin-bottom:.5rem}.login-card h2{font-size:1.05rem;color:#5d6b7b;margin-bottom:1.25rem;font-weight:500}.subtitle{color:var(--text-muted);margin-bottom:1.5rem;line-height:1.6}.login-card form{display:grid;grid-gap:.9rem;gap:.9rem}.login-card input{min-height:52px;border-radius:16px;border:1px solid var(--line);background:#fff;padding:.8rem .95rem;outline:none}.login-card input:focus{border-color:rgba(47,92,255,.45);box-shadow:0 0 0 4px rgba(47,92,255,.08)}.login-card button[type=submit]{min-height:52px;border-radius:16px;border:none;color:#fff;background:linear-gradient(135deg,#2f5cff,#4d79ff);font-weight:800}.login-card button[type=submit]:disabled{opacity:.6;cursor:not-allowed}.error{margin-top:1rem;color:#b94a5a;font-size:.94rem}@media (max-width:640px){.login-container{padding:.9rem;align-items:flex-start}.login-card{padding:1.2rem;border-radius:24px}.login-card h1{font-size:1.85rem}}