:root{
  --bg-color:#0f172a;
  --surface-color:#1e293b;
  --surface-color-2:#334155;
  --text-color:#ffffff;
  --secondary-text:#94a3b8;
  --primary-color:#ea580c;
  --primary-color-2:#f97316;

  --border: rgba(255,255,255,.10);
  --border-soft: rgba(255,255,255,.06);
  --shadow: 0 20px 60px rgba(0,0,0,.45);
}

*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  font-family:'Montserrat', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text-color);
  background: linear-gradient(135deg, var(--bg-color) 0%, var(--surface-color) 50%, var(--bg-color) 100%);
  overflow-x:hidden;
}

/* BG glow sutil (igual vibe da home) */
body::before{
  content:"";
  position:fixed;
  inset:-40%;
  background:
    radial-gradient(circle at 20% 10%, rgba(234, 88, 12, .16) 0%, transparent 52%),
    radial-gradient(circle at 80% 0%, rgba(249, 115, 22, .10) 0%, transparent 55%),
    radial-gradient(circle at 60% 90%, rgba(148, 163, 184, .08) 0%, transparent 60%);
  filter: blur(10px);
  z-index:-1;
}

/* Header */
.login-header{
  position:fixed;
  top:0; left:0; right:0;
  padding:16px 18px;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
  z-index:10;
}

.login-header a{
  color:#cbd5e1;
  text-decoration:none;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.login-header a:hover{
  color:#fff;
  background: rgba(255,255,255,.06);
  transform: translateY(-1px);
}

/* Box principal */
.login-box{
  width:min(520px, 92%);
  margin: 110px auto 40px;
  padding: 34px 30px 28px;
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(30,41,59,.92), rgba(51,65,85,.86));
  border: 1px solid rgba(249, 115, 22, 0.18);
  box-shadow: var(--shadow);
  position:relative;
  overflow:hidden;
}

/* brilho diagonal leve */
.login-box::after{
  content:"";
  position:absolute;
  top:-40%;
  left:-60%;
  width:70%;
  height:200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.10), transparent);
  transform: rotate(18deg);
  animation: shine 9s linear infinite;
  pointer-events:none;
}
@keyframes shine{
  0%{left:-80%}
  100%{left:140%}
}

.login-box h2{
  font-size: 26px;
  letter-spacing:-.4px;
  margin-bottom: 10px;
  font-weight: 800;
}

.login-info{
  color: var(--secondary-text);
  line-height: 1.7;
  margin-bottom: 18px;
  font-weight: 500;
}

/* Alert carrinho */
.alert-carrinho{
  margin: 10px 0 18px;
  padding: 14px 14px;
  border-radius: 16px;
  border: 1px solid rgba(249, 115, 22, .25);
  background: rgba(249, 115, 22, .08);
  color: #ffd7c2;
  line-height: 1.6;
}
.alert-carrinho strong{
  display:block;
  margin-bottom: 6px;
  color:#fff;
}

/* Campos */
.campo{margin-bottom: 14px}
.campo label{
  display:block;
  font-size: 13px;
  font-weight: 700;
  color: #cbd5e1;
  margin-bottom: 8px;
}

.campo input, select {
  width:100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 2px solid rgba(255,255,255,.10);
  background: rgba(15,23,42,.70);
  color: #fff;
  font-size: 15px;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.campo input::placeholder{color:#64748b}
.campo input:focus{
  outline:none;
  border-color: rgba(249,115,22,.75);
  box-shadow: 0 0 0 6px rgba(249,115,22,.12);
  transform: translateY(-1px);
}

/* Botão */
button[type="submit"]{
  width:100%;
  margin-top: 6px;
  padding: 15px 16px;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  font-weight: 800;
  font-size: 16px;
  color:#fff;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-2));
  box-shadow: 0 12px 35px rgba(234, 88, 12, 0.35);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
button[type="submit"]:hover{
  transform: translateY(-2px);
  box-shadow: 0 16px 45px rgba(234, 88, 12, 0.45);
  filter: saturate(1.05);
}
button[type="submit"]:active{
  transform: translateY(0px);
}

/* Links */
.links{
  margin-top: 14px;
  display:flex;
  justify-content:center;
}
.links a{
  color: #cbd5e1;
  text-decoration:none;
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.links a:hover{
  background: rgba(255,255,255,.06);
  color:#fff;
  transform: translateY(-1px);
}

/* Mobile */
@media (max-width: 520px){
  .login-box{
    padding: 26px 18px 20px;
    border-radius: 20px;
    margin-top: 100px;
  }
  .login-box h2{font-size: 22px}
}