:root {
  --nav-height: 60px;
  --primary-bg: #2d3436;
  --text-color: #ffffff;
  --hover-color: #ff7675;
}

.body {
  margin: 0;
  padding-top: var(--nav-height); /* Make space for fixed header */
  font-family: 'Inter', sans-serif; /* Modern font fallback */
}

.head_panel {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: var(--nav-height);
    background-color: var(--primary-bg);
    color: var(--text-color);
    padding: 0 20px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.headline {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.logout {
    position: absolute;
    right: 20px;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logout:hover {
    color: var(--hover-color);
    transform: scale(1.1);
}

.logout .tooltiptext {
  visibility: hidden;
  width: 80px;
  background-color: #000;
  color: #fff;
  text-align: center;
  border-radius: 4px;
  padding: 5px 0;
  position: absolute;
  z-index: 1;
  top: 120%;
  right: 50%;
  transform: translateX(50%);
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 0.8rem;
  pointer-events: none;
}

.logout:hover .tooltiptext {
  visibility: visible;
  opacity: 0.9;
}