*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 var(--fonte);min-height:100vh;overflow-x:hidden}
.aurora{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(60% 50% at 15% 10%,#DCEBFF 0,transparent 70%),radial-gradient(50% 45% at 85% 90%,#E2F4FF 0,transparent 70%)}
.aurora span{position:absolute;width:46vmax;height:46vmax;border-radius:50%;filter:blur(70px);opacity:.45;animation:deriva 28s ease-in-out infinite alternate}
.aurora span:nth-child(1){background:#BFDBFE;left:-10vmax;top:-12vmax}
.aurora span:nth-child(2){background:#CFFAFE;right:-12vmax;top:20vh;animation-delay:-9s}
.aurora span:nth-child(3){background:#E0E7FF;left:30vw;bottom:-18vmax;animation-delay:-17s}
@keyframes deriva{to{transform:translate(4vmax,3vmax) scale(1.12)}}
.login{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr 1fr;min-height:100vh}
.login-arte{position:relative;overflow:hidden}
.login-arte img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);animation:zoom 18s ease-in-out infinite alternate}
@keyframes zoom{to{transform:scale(1.14) translateX(-2%)}}
.login-arte::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,43,91,.1),rgba(13,43,91,.75))}
.login-arte-texto{position:absolute;left:8%;bottom:10%;z-index:1;color:#fff}
.login-arte-texto p{margin:.8rem 0 0;opacity:.85}
.login-arte-texto strong{font-size:clamp(1.6rem,3vw,2.6rem);letter-spacing:-.02em;line-height:1.1}
.login-cartao{align-self:center;margin:6vh 7%;padding:40px 36px;border-radius:var(--r-xl);box-shadow:var(--sh-2)}
.vidro{background:var(--surface);backdrop-filter:blur(14px) saturate(140%);border:1px solid rgba(255,255,255,.7)}
.selo{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;color:#fff;font-weight:800;letter-spacing:.04em;background:linear-gradient(135deg,var(--navy),var(--navy-2) 55%,#2B6CB0)}
h1{color:var(--navy);font-size:1.6rem;letter-spacing:-.01em;margin:18px 0 4px}
.sub{color:var(--muted);margin:0 0 22px}
label{display:block;font-weight:600;color:var(--navy);margin:14px 0 6px;font-size:.9rem}
input{width:100%;font:15px/1.3 var(--fonte);padding:12px 14px;border:1px solid var(--line-forte);border-radius:10px;background:#fff;color:var(--text)}
input:focus{outline:3px solid rgba(37,99,235,.35);border-color:var(--azul)}
.btn-primario{margin-top:22px;width:100%;min-height:48px;border:0;border-radius:10px;color:#fff;font:700 15px/1 var(--fonte);background:linear-gradient(135deg,var(--navy),#1E4F95);cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.btn-primario:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.erro{background:var(--err-bg,#FDE8E7);color:var(--err,#B42318);padding:10px 12px;border-radius:10px;margin:0 0 6px}
.rodape{color:var(--muted);font-size:.8rem;margin:22px 0 0}
@media (max-width:860px){.login{grid-template-columns:1fr}.login-arte{height:34vh}.login-cartao{margin:-40px 16px 30px;padding:28px 22px}}
@media (prefers-reduced-motion:reduce){.aurora span{animation-duration:70s}.login-arte img{animation-duration:45s}}