.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: linear-gradient(135deg, #1a4d2e, #2c7a49);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.app-header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.app-header-brand img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.app-header-right {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
}

.app-header-user {
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.9;
}

.app-header-roles {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.app-header-role {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.app-header-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
}

.app-header-logout {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s;
}

.app-header-logout:hover { background: rgba(255, 255, 255, 0.26); }