.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  padding: 1rem;
}

.login-card {
  background: var(--color-bg-card);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 450px;
  border: 1px solid var(--color-card-outline);
}

@supports (color: color-mix(in srgb, black, transparent)) {
  .login-card {
    background: color-mix(in srgb, var(--color-bg-card) 86%, transparent);
    backdrop-filter: blur(18px) saturate(1.15);
  }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .login-card {
    padding: 1.5rem;
  }

  .login-card h1 {
    font-size: 1.75rem;
  }

  .login-card h2 {
    font-size: 1.25rem;
  }
}

.login-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.login-card h1 {
  color: var(--color-accent);
  margin: 0 0 0.25rem 0;
  font-size: 2rem;
}

.login-tagline {
  margin: 0 0 0.75rem 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.btn-theme,
.btn-language {
  padding: 0.5rem 0.75rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-theme .material-symbols-outlined,
.btn-language .material-symbols-outlined {
  font-size: var(--icon-sm);
}

.btn-theme:hover,
.btn-language:hover {
  background: var(--color-bg-card);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-text-primary);
  font-weight: 500;
}

.form-group input {
  width: 100%;
  height: var(--height-input);
  padding: 0 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.06);
}

.form-group input:focus {
  outline: none;
  border-color: rgba(var(--color-accent-rgb), 0.55);
  box-shadow: var(--shadow-ring);
}

.login-container .btn-primary {
  width: 100%;
  padding: 0.75rem;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base), filter var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.login-container .btn-primary:hover {
  filter: brightness(1.03);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.login-container .btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.login-footer {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.login-container .btn-link {
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
}

.login-container .btn-link:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

.footer-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.btn-footer-action {
  padding: 0.5rem 0.75rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-footer-action .material-symbols-outlined {
  font-size: var(--icon-sm);
}

.btn-footer-action:hover {
  background: var(--color-bg-card);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.error-message {
  background: rgba(245, 101, 101, 0.1);
  color: var(--color-error);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  text-align: center;
  border: 1px solid var(--color-error);
}