body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b0f19;
  color: white;
}

.background {
  position: fixed;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top, #1b2a4a, #0b0f19);
  z-index: -1;
}

.card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(10px);
  padding: 20px;
  border-radius: 12px;
  margin: 10px;
}

.hidden {
  display: none;
}

#loginBox {
  width: 300px;
  margin: 120px auto;
  text-align: center;
}

input {
  width: 90%;
  padding: 10px;
  margin: 8px 0;
  border-radius: 8px;
  border: none;
}

button {
  padding: 10px 15px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.topbar {
  display: flex;
  justify-content: space-between;
  padding: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 20px;
}

.wide {
  grid-column: span 3;
}

#feed {
  max-height: 300px;
  overflow: auto;
}