/* Login Page — Split Screen Design */

.login-container {
  min-height: 100vh;
  display: flex;
}

/* Left: Hero panel */
.login-hero {
  flex: 1;
  background: var(--gradient-hero);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-12);
  position: relative;
  overflow: hidden;
}

.login-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 60%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

.login-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -30%;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(129, 140, 248, 0.2) 0%, transparent 50%);
  animation: heroGlow 6s ease-in-out infinite alternate-reverse;
}

@keyframes heroGlow {
  from { transform: translate(0, 0); }
  to { transform: translate(30px, -20px); }
}

.login-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 420px;
}

.login-hero-logo {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.login-hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin-bottom: var(--space-10);
}

.login-hero-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: left;
}

.login-hero-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-sm);
}

.login-hero-feature-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

/* Right: Form panel */
.login-form-panel {
  width: 480px;
  min-width: 400px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-12);
  background: var(--bg-surface);
}

.login-form-header {
  margin-bottom: var(--space-8);
}

.login-form-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.login-form-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.login-form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.login-form-label {
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.login-form-control {
  height: 48px;
  padding: 0 var(--space-4);
  font-size: var(--text-base);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.login-form-control:hover {
  border-color: var(--border-strong);
}

.login-form-control:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.login-form-control::placeholder {
  color: var(--color-neutral-400);
}

.login-error {
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-error-50);
  border: 1px solid var(--color-error-100);
  border-radius: var(--radius-md);
  color: var(--color-error-700);
  font-size: var(--text-sm);
  display: none;
}

.login-error.show {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.login-button {
  height: 48px;
  font-size: var(--text-base);
  font-weight: 600;
  background-color: var(--color-primary-500);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.login-button:hover {
  background-color: var(--color-primary-600);
  box-shadow: var(--shadow-primary);
  transform: translateY(-1px);
}

.login-button:active {
  background-color: var(--color-primary-700);
  transform: translateY(0);
  box-shadow: none;
}

.login-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.login-button-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.login-show-password {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  margin-top: var(--space-1);
}

.login-show-password input {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--color-primary-500);
}

.login-footer {
  text-align: center;
  margin-top: var(--space-10);
  font-size: var(--text-xs);
  color: var(--text-muted);
}


/* === RESPONSIVE === */

@media (max-width: 1024px) {
  .login-hero {
    display: none;
  }

  .login-container {
    justify-content: center;
    align-items: center;
    background: var(--gradient-hero);
    padding: var(--space-4);
  }

  .login-form-panel {
    width: 100%;
    min-width: unset;
    max-width: 440px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-8);
  }
}

@media (max-width: 480px) {
  .login-form-panel {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
  }

  .login-form-title {
    font-size: var(--text-xl);
  }

  .login-form-control {
    height: 44px;
    font-size: var(--text-sm);
  }

  .login-button {
    height: 44px;
    font-size: var(--text-sm);
  }
}