header {
  margin-bottom: 0;
  padding: 0;
  border: none;
  background: black;
  border-radius: 0;
  width: 100%;
  z-index: 10;
}
nav {
    color: #fff;
    margin-bottom: 0;
    border-radius: 0;
    box-shadow: 0 2px 8px rgba(99,88,255,0.08);
    text-align: center;
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
}
nav a {
    color: #fff;
    text-decoration: none;
    padding: 7px 18px;
    margin: 0 4px;
    border-radius: 18px;
    font-weight: 500;
    font-size: 1em;
    letter-spacing: 0.02em;
    display: inline-block;
    transition: background 0.18s, color 0.18s, transform 0.18s;
    background: transparent;
    border: none;
    box-shadow: none;
    text-transform: none;
    cursor: pointer;
    line-height: 1.2;
}
nav a:hover {
    background: #fff;
    color: black;
    transform: translateY(-1px) scale(1.04);
}
.brand {
  display: flex;
  align-items: center;
  font-size: 1.25em;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
  text-decoration: none;
  gap: 8px;
}
.brand:hover {
  background: transparent !important;
  color: #fff !important;
  transform: none !important;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
/* Message notification badge */
.nav-messages {
  position: relative;
}

.message-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: #ef4444;
  color: white;
  border-radius: 10px;
  padding: 2px 6px;
  font-size: 0.75em;
  font-weight: 600;
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
@media (max-width: 600px) {
  .main-nav {
    flex-direction: column;
    align-items: stretch;
    padding: 0 8px;
    gap: 0;
  }
  .brand {
    justify-content: center;
    font-size: 1.05em;
    margin: 8px 0 2px 0;
  }
  .nav-links {
    justify-content: center;
    gap: 2px;
    margin-bottom: 4px;
  }
  nav a {
    font-size: 0.98em;
    padding: 7px 10px;
    margin: 0 1px;
  }
}