.auth-body {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0f1520 0%, #1a2a45 50%, #0f1520 100%);
  position: relative; overflow: hidden;
}

.auth-container { position: relative; z-index: 10; width: 100%; max-width: 440px; padding: 20px; }

.auth-card {
  background: rgba(255,255,255,.04);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 18px;
  padding: 42px 38px;
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
}

.auth-logo { text-align: center; margin-bottom: 32px; }

.auth-logo-icon {
  width: 70px; height: 70px; margin: 0 auto 16px;
  background: linear-gradient(135deg, #2d9cdb, #1a7ab5);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; color: #fff;
  box-shadow: 0 8px 24px rgba(45,156,219,.4);
}

.auth-brand { font-size: 28px; font-weight: 800; color: #fff; letter-spacing: 2px; margin: 0; }
.auth-tagline { color: rgba(255,255,255,.45); font-size: 13px; margin-top: 4px; }

.auth-form .form-floating .form-control {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  color: #fff; border-radius: 10px;
}
.auth-form .form-floating .form-control:focus {
  background: rgba(255,255,255,.1);
  border-color: #2d9cdb;
  box-shadow: 0 0 0 3px rgba(45,156,219,.2);
  color: #fff;
}
.auth-form .form-floating label { color: rgba(255,255,255,.5); }
.auth-form .form-control::placeholder { color: transparent; }
.auth-form .form-check-label { color: rgba(255,255,255,.6); font-size: 13px; }
.auth-form .form-check-input { background-color: rgba(255,255,255,.1); border-color: rgba(255,255,255,.2); }

.password-toggle {
  position: absolute; right: 14px; top: 50%;
  transform: translateY(-50%);
  background: none; border: none;
  color: rgba(255,255,255,.4); cursor: pointer; z-index: 5;
}
.password-toggle:hover { color: #fff; }

.btn-auth {
  background: linear-gradient(135deg, #2d9cdb, #1a7ab5);
  border: none; color: #fff; padding: 13px;
  border-radius: 10px; font-size: 15px; font-weight: 600;
  letter-spacing: .5px; transition: all .22s ease;
  box-shadow: 0 4px 16px rgba(45,156,219,.4);
}
.btn-auth:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(45,156,219,.5); background: linear-gradient(135deg, #35aaee, #2289c5); color: #fff; }
.btn-auth:active { transform: translateY(0); }

.auth-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 24px; color: rgba(255,255,255,.3); font-size: 12px;
}

.theme-toggle-auth {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.5); padding: 6px 10px;
  border-radius: 8px; cursor: pointer; font-size: 13px;
}
.theme-toggle-auth:hover { background: rgba(255,255,255,.14); color: #fff; }

/* Background shapes */
.auth-bg-shapes { position: fixed; inset: 0; z-index: 1; pointer-events: none; }
.shape {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(45,156,219,.12), transparent 60%);
}
.shape-1 { width: 600px; height: 600px; top: -200px; right: -200px; }
.shape-2 { width: 400px; height: 400px; bottom: -100px; left: -150px; }
.shape-3 { width: 300px; height: 300px; top: 40%; left: 35%; background: radial-gradient(circle, rgba(142,68,173,.08), transparent 60%); }