* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: #000; overflow: hidden; font-family: 'Courier New', monospace; }
canvas { display: block; }

#overlay {
  position: fixed; inset: 0;
  background: linear-gradient(180deg, #000015cc 0%, #00000ecc 100%),
              url('../assets/poster.jpg') center/cover no-repeat;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 100; gap: 24px;
}
#overlay h1 {
  font-size: 2.8rem; font-weight: bold; letter-spacing: 0.12em;
  color: #00aaff;
  text-shadow: 0 0 20px #00aaff, 0 0 40px #0055ff;
  position: absolute; bottom: 40px; text-align: center;
}
#overlay p { color: #bf80ff; font-size: 1rem; letter-spacing: 0.08em; }
#overlay-status {
  color: #00ffe1; font-size: 0.9rem; letter-spacing: 0.08em;
  min-height: 1.4em; text-align: center;
}
#overlay-status:not(:empty)::before {
  content: ''; display: inline-block;
  width: 10px; height: 10px; border-radius: 50%; margin-right: 8px;
  background: #00ffe1; vertical-align: middle;
  animation: pulse 1s ease-in-out infinite;
}
#overlay-error { color: #ff2d78; font-size: 0.85rem; letter-spacing: 0.05em; text-align: center; }
#progress-bar-wrap {
  width: 320px; height: 4px; background: #ffffff18;
  border-radius: 2px; overflow: hidden; display: none;
}
#progress-bar {
  height: 100%; width: 0%; background: #00ffe1;
  box-shadow: 0 0 8px #00ffe1;
  transition: width 0.3s ease;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.3; transform: scale(0.6); }
}
#overlay input {
  background: #0a0018; border: 2px solid #00aaff; color: #fff;
  padding: 12px 20px; font-size: 1.1rem; font-family: inherit;
  border-radius: 4px; outline: none; width: 320px; text-align: center;
  box-shadow: 0 0 12px #00aaff55;
}
#overlay input:focus { border-color: #00ffe1; box-shadow: 0 0 18px #00ffe155; }
#overlay button {
  background: #00aaff22; border: 2px solid #00aaff; color: #fff;
  padding: 12px 0; font-size: 1rem; font-family: inherit;
  border-radius: 4px; cursor: pointer; letter-spacing: 0.1em;
  text-transform: uppercase; transition: all 0.2s;
  box-shadow: 0 0 12px #00aaff66;
  width: 320px;
}
#overlay button:hover { background: #00aaff44; box-shadow: 0 0 24px #00aaff; }
#overlay #start-btn {
  background: #00ff8822; border-color: #00ff88;
  box-shadow: 0 0 12px #00ff8866;
}
#overlay #start-btn:hover { background: #00ff8844; box-shadow: 0 0 24px #00ff88; }
#test-drive-btn {
  border-color: #00aaff; color: #fff;
  box-shadow: 0 0 10px #00aaff55; margin-top: -8px;
  font-size: 0.82rem; letter-spacing: 0.05em;
  line-height: 1.6; padding: 10px 0;
}
#test-drive-btn:hover { background: #00aaff22; box-shadow: 0 0 20px #00aaff; }
#exit-btn {
  position: fixed; bottom: 20px; left: 20px; z-index: 50;
  background: transparent; border: 2px solid #ff2d78; color: #ff2d78;
  padding: 8px 18px; font-size: 0.8rem; font-family: 'Courier New', monospace;
  border-radius: 4px; cursor: pointer; letter-spacing: 0.1em;
  text-transform: uppercase; transition: all 0.2s;
  box-shadow: 0 0 8px #ff2d7855; display: none;
}
#exit-btn:hover { background: #ff2d7822; box-shadow: 0 0 16px #ff2d78; }
#share-btn {
  position: fixed; bottom: 20px; left: 100px; z-index: 50;
  background: transparent; border: 2px solid #00ffe1; color: #00ffe1;
  padding: 8px 18px; font-size: 0.8rem; font-family: 'Courier New', monospace;
  border-radius: 4px; cursor: pointer; letter-spacing: 0.1em;
  text-transform: uppercase; transition: all 0.2s;
  box-shadow: 0 0 8px #00ffe155; display: none;
}
#share-btn:hover { background: #00ffe122; box-shadow: 0 0 16px #00ffe1; }
#share-btn.copied { border-color: #00ff88; color: #00ff88; box-shadow: 0 0 16px #00ff88; }