/* ================= GLOBAL ================= */
* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: radial-gradient(circle at top, #0b1d3a 0%, #000000 70%);
  overflow: hidden;
  font-family: system-ui, -apple-system, sans-serif;
  height: 100vh;
  width: 100vw;
  color: white;
}

canvas { display: block; }

/* ================= HEADER ================= */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  padding: 20px 30px;
  display: flex; justify-content: space-between; align-items: center;
  z-index: 100;
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-logo {
  height: 40px; 
  width: auto;
  object-fit: contain;
  display: block;
}

.logout-btn {
  background: rgba(255, 255, 255, 0.08); color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 20px; border-radius: 999px;
  cursor: pointer; font-size: 13px; font-weight: 500;
  transition: all 0.2s ease; backdrop-filter: blur(5px);
}

.logout-btn:hover { 
  background: rgba(255, 255, 255, 0.15); 
  border-color: rgba(255, 255, 255, 0.3); 
}

/* ================= ORB ================= */
.orb-container {
  position: fixed; inset: 0; z-index: 1;
  display: flex; align-items: center; justify-content: center;
}

@media (max-width: 768px) {
  .header { padding: 16px 20px; }
  .header-logo { height: 32px; }
}