body.bg-a { 
  background: url(../assets/bg.gif);
}
body.bg-b { 
  background: #fff;
}
html { 
  height: 100%;
}
canvas#canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  height: 100%;
  background-color: rgb(255,229,237);
  background-image: -webkit-linear-gradient(bottom, rgb(255,229,237) 0%, rgb(224,255,233) 100%);
  background-image: linear-gradient(to top, rgb(255,229,237) 0%, rgb(224,255,233) 100%);
}

@keyframes shake {
  0% { left: 30px; }
  50% { left: 0; }
  100% { left: 30px; }
}

#shake { 
  word-break: break-word;
  bottom: 0;
  right: 0;
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  font: bold italic 110px serif;
  text-shadow: 0 3px 0 rgba(0,0,0,0.15);
  padding: 20px 40px;
  color: #fff;
  z-index: 2;
  pointer-events: none;
  animation: shake 0.2s ease infinite;
}

/* ── Shake counter ── */
#shake-counter {
  position: absolute;
  top: 12px;
  left: 16px;
  z-index: 3;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  border-radius: 10px;
  padding: 12px 16px;
  min-width: 200px;
  font-family: 'Segoe UI', system-ui, sans-serif;
  color: #fff;
}

.counter-bar {
  width: 100%;
  height: 8px;
  background: rgba(255,255,255,0.12);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}

.counter-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #7b68ee, #ff6ec7, #00e5ff);
  border-radius: 4px;
  transition: width 0.4s ease;
}

.counter-text {
  font-size: 13px;
  font-weight: 600;
  color: #ddd;
  margin-bottom: 6px;
}

.counter-text #shake-count {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
}

.counter-live {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #aaa;
}

.live-dot {
  width: 7px;
  height: 7px;
  background: #0f0;
  border-radius: 50%;
  display: inline-block;
  animation: pulse-dot 1.5s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 4px #0f0; }
  50% { opacity: 0.4; box-shadow: 0 0 8px #0f0; }
}

/* ── Top links ── */
#top-links {
  position: absolute;
  top: 15px;
  right: 20px;
  z-index: 3;
}
#top-links a {
  display: inline-block;
  padding: 5px 10px;
  text-decoration: none;
  border-radius: 4px;
  font: bold 13px sans-serif;
  color: #000;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: background 0.15s;
}
#top-links a:hover {
  background-color: rgba(255,255,255,0.7);
}

/* ── Splash screen ── */
#splash {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease;
}

#splash-inner {
  max-width: 480px;
  width: 90%;
  text-align: center;
  color: #fff;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

#splash-inner h1 {
  font-size: 48px;
  font-weight: 900;
  letter-spacing: 3px;
  margin: 0 0 16px;
  background: linear-gradient(135deg, #ff6ec7, #7b68ee, #00e5ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#splash-inner .desc {
  font-size: 14px;
  line-height: 1.6;
  color: #ccc;
  margin: 0 0 24px;
}

.splash-links {
  margin-bottom: 20px;
}

.splash-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  transition: background 0.2s, border-color 0.2s;
}
.splash-link:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.3);
}

.contract {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 24px;
  max-width: 100%;
}

.contract-label {
  font-size: 12px;
  font-weight: 700;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.contract-addr {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: #aaa;
  word-break: break-all;
  text-align: left;
  line-height: 1.4;
}

.copy-btn {
  flex-shrink: 0;
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  padding: 4px 6px;
  cursor: pointer;
  color: #aaa;
  display: flex;
  align-items: center;
  transition: border-color 0.2s, color 0.2s;
}
.copy-btn:hover {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}

.warning-box {
  border: 2px solid rgba(255, 60, 60, 0.6);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 28px;
  background: rgba(255, 0, 0, 0.06);
}

.warning-box p {
  margin: 0;
  font-size: 13px;
  color: #ff6b6b;
  letter-spacing: 0.5px;
}

.warning-box .jp {
  margin-top: 6px;
  font-size: 13px;
  color: #ff8a8a;
}

#enter-btn {
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 3px;
  color: #fff;
  background: linear-gradient(135deg, #7b68ee, #ff6ec7);
  border: none;
  border-radius: 10px;
  padding: 14px 60px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 24px rgba(123, 104, 238, 0.35);
}

#enter-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 32px rgba(123, 104, 238, 0.5);
}

#enter-btn:active {
  transform: scale(0.97);
}