body.login-page {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
}

/* Brand Panel (Left) */
.brand-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}
.brand-panel::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,255,255,0.04) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.brand-content {
  position: relative;
  text-align: center;
  max-width: 480px;
}
.brand-logo-img {
  width: 300px;
  height: auto;
  display: block;
  margin: 0 auto 1.5rem;
}
.brand-logo {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}
.brand-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}
.brand-tagline {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 360px;
  margin: 0 auto;
}
.brand-divider {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, #00FFFF, #FF00FF);
  margin: 1.5rem auto;
  border-radius: 1px;
}

/* Form Panel (Right) */
.form-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  background: var(--bg-card);
}
.form-container {
  width: 100%;
  max-width: 360px;
}
.form-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
}
.form-subheading {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
  letter-spacing: 0.02em;
}
.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-family: inherit;
  border: 1px solid var(--border-input);
  border-radius: var(--radius-input);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}
.form-group input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 255, 255, 0.1);
}
.form-group input::placeholder {
  color: var(--text-muted);
}
.submit-btn {
  width: 100%;
  padding: 0.875rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--bg-primary);
  background: var(--gradient);
  border: none;
  border-radius: var(--radius-input);
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
  margin-top: 0.5rem;
  letter-spacing: 0.02em;
}
.submit-btn:hover {
  opacity: 0.9;
  box-shadow: 0 4px 20px rgba(0, 255, 255, 0.25);
}
.submit-btn:active {
  transform: scale(0.98);
}
.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.form-footer {
  display: flex;
  justify-content: center;
  margin-top: 1.25rem;
}
.forgot-link {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}
.forgot-link:hover {
  color: var(--accent-cyan);
}
.copyright {
  margin-top: 3rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.02em;
}

/* Responsive */
@media (max-width: 768px) {
  body.login-page {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  .brand-panel {
    padding: 2.5rem 1.5rem 2rem;
  }
  .brand-panel::before { display: none; }
  .brand-logo { font-size: 2rem; }
  .brand-subtitle { font-size: 1.125rem; }
  .brand-tagline { font-size: 0.875rem; }
  .brand-divider { margin: 1rem auto; }
  .form-panel {
    padding: 2rem 1.5rem 3rem;
  }
}
@media (max-width: 480px) {
  .brand-panel { padding: 2rem 1rem 1.5rem; }
  .form-panel { padding: 1.5rem 1rem 2.5rem; }
}