/* ── Login Page ──────────────────────────────────── */
body.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(150deg, #EFF6FF 0%, #DBEAFE 50%, #F0F9FF 100%);
  padding: var(--sp-5);
  position: relative;
  overflow: hidden;
}

/* Decorative background circles */
.login-body::before,
.login-body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
}
.login-body::before {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(37,99,235,0.07) 0%, transparent 70%);
  top: -150px; right: -150px;
}
.login-body::after {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(14,165,233,0.06) 0%, transparent 70%);
  bottom: -100px; left: -100px;
}

/* ── Login Card ──────────────────────────────────── */
.login-container {
  width: 100%;
  max-width: 400px;
  position: relative;
  z-index: 1;
  animation: loginIn 0.5s var(--ease) both;
}

@keyframes loginIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.login-card {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: var(--r-xl);
  padding: var(--sp-8) var(--sp-6);
  box-shadow: 0 20px 60px rgba(37,99,235,0.12);
}

.login-brand {
  text-align: center;
  margin-bottom: var(--sp-8);
}

.login-logo {
  font-size: 56px;
  display: block;
  margin-bottom: var(--sp-3);
  filter: drop-shadow(0 4px 8px rgba(37,99,235,0.25));
}

.login-brand h1 {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.login-brand p {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.login-form .form-group {
  margin-bottom: var(--sp-4);
}

.login-submit-btn {
  width: 100%;
  padding: 13px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--r-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
  box-shadow: 0 4px 16px rgba(37,99,235,0.3);
}

.login-submit-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,99,235,0.4);
}

.login-submit-btn:active { transform: scale(0.98); }

.login-error {
  background: var(--danger-bg);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  color: var(--danger);
  font-size: var(--font-size-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
  animation: shakeErr 0.4s var(--ease);
}

@keyframes shakeErr {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

.login-footer {
  text-align: center;
  margin-top: var(--sp-6);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* ── Responsive (Desktop Layout) ─────────────────── */
@media (min-width: 768px) {
  .login-container {
    max-width: 480px;
  }
  
  .login-card {
    padding: var(--sp-10) var(--sp-8);
  }
  
  .login-logo {
    font-size: 72px;
  }
  
  .login-brand h1 {
    font-size: var(--font-size-3xl);
  }
  
  .login-submit-btn {
    padding: 16px;
    font-size: var(--font-size-lg);
  }

  /* Perbesar lingkar dekorasi background */
  .login-body::before { width: 700px; height: 700px; top: -200px; right: -200px; }
  .login-body::after { width: 600px; height: 600px; bottom: -150px; left: -150px; }
}