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

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: #000000;
  font-family: 'Poppins', sans-serif;
}

body {
  display: flex;
  flex-direction: column;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#globe-header {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
  z-index: 10;
}

#globe-banner {
  color: #ffffff;
  font-size: 40px;
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

#globe-tagline {
  color: #cfe9f4;
  font-size: 14px;
  font-weight: 300;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
}

#loading {
  align-items: center;
  justify-content: center;
  gap: 12px;
  background-color: #000000;
  color: #ffffff;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9999;
  padding: 24px;
  border-radius: 12px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(0, 229, 255, 0.25);
  border-top-color: #00e5ff;
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.display {
  display: flex;
}

.hidden {
  display: none;
}

.webgl {
  width: 100%;
  height: 70vh;
  display: block;
}

.webgl:focus-visible {
  outline: 2px solid #00e5ff;
  outline-offset: -2px;
}

#data-display {
  width: 100%;
  max-width: 320px;
  margin: 10px auto;
  height: 420px;
  overflow-y: auto;
  background: rgba(8, 18, 36, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  color: #e6fbff;
  padding: 14px;
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45), 0 0 18px rgba(0, 229, 255, 0.12);
  font-size: 12px;
}

#feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0, 229, 255, 0.18);
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #ffffff;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff3df0;
  box-shadow: 0 0 8px #ff3df0;
  animation: live-pulse 1.6s ease-in-out infinite;
}

#feed-count {
  font-size: 12px;
  color: #b6e2ef;
}

#feed-top {
  min-height: 16px;
  margin-bottom: 4px;
  font-size: 12px;
  color: #b6e2ef;
}

.conn-card {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  margin: 6px 0;
  border: 0;
  border-radius: 10px;
  background: rgba(0, 229, 255, 0.06);
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  text-align: left;
  cursor: pointer;
  animation: card-in 0.45s ease;
}

.conn-card:hover {
  background: rgba(0, 229, 255, 0.12);
  transform: translateY(-1px);
}

.conn-card:focus-visible {
  outline: 2px solid #00e5ff;
  outline-offset: 1px;
}

.conn-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #00e5ff;
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.85);
}

.conn-city {
  flex: 1 1 auto;
  font-weight: 600;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conn-count {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 700;
  color: #4df0ff;
}

.conn-time {
  flex: 0 0 auto;
  font-size: 12px;
  color: #b6e2ef;
}

#footer {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 14px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
  z-index: 10;
}

#footer a {
  color: #ffffff;
  text-decoration: none;
}

#footer a:hover {
  text-decoration: underline;
}

#footer a:focus-visible {
  outline: 2px solid #00e5ff;
  outline-offset: 2px;
}

@keyframes live-pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.35;
    transform: scale(1.4);
  }
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  60% {
    background: rgba(0, 229, 255, 0.22);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {

  .live-dot,
  .conn-card,
  .spinner {
    animation: none;
  }

  .conn-card:hover {
    transform: none;
  }
}

@media (max-width: 767px) {
  #globe-banner {
    font-size: 22px;
  }

  #globe-tagline {
    font-size: 12px;
  }

  .webgl {
    height: 60vh;
    width: 100%;
  }

  #data-display {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: none;
    height: 150px;
    z-index: 10;
  }

  #footer {
    font-size: 12px;
  }
}

@media (min-width: 768px) {
  body {
    flex-direction: row;
  }

  .webgl {
    height: 100vh;
    width: calc(100% - 320px);
  }

  #data-display {
    position: fixed;
    right: 10px;
    bottom: 10px;
    width: 300px;
    margin: 0;
  }

  #footer {
    position: fixed;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
  }
}