body {
  margin: 0;
  padding: 0;
  background: #23232b;
  font-family: Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container {
  width: 100%;
  max-width: 1200px;
  padding: 20px;
}

h1 {
  color: white;
  text-align: center;
  margin: 20px 0;
}

.tank-container {
  position: relative;
  width: 100%;
  height: 850px;
  background: #23232b;
  overflow: hidden;
  border-radius: 0;
  margin: 0 auto;
  width: 1200px;
  left: 0;
  top: 0;
  padding: 0;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
}

.background-image {
  position: absolute;
  width: auto;
  height: 100%;
  max-width: 110%;
  max-height: 110%;
  object-fit: contain;
  border: 4px solid #000;
  box-sizing: border-box;
  pointer-events: none;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  margin: 0;
  padding: 0;
}

.background-image-back {
  z-index: 1;
}

.background-image-fore {
  z-index: 3;
}

.liquid-layer {
  position: absolute;
  width: 80%;
  left: 50%;
  transform: translateX(-50%);
  transition: all 0.3s ease;
  z-index: 2;
  overflow: hidden;
  background-position: top center;
  background-repeat: no-repeat;
  background-size: contain;
}

.liquid-layer > div {
  width: 100%;
  height: 100%;
  position: relative;
}

.liquid-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  font-weight: bold;
  z-index: 2;
  padding: 5px 10px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
  text-align: center;
  white-space: nowrap;
  font-size: 1.2em;
}

.liquid-link {
  color: white;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.liquid-link:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* Settings are hidden but still in the DOM for development */
.settings {
  display: none;
}

.artist-credit {
  text-align: center;
  padding: 1rem;
  color: #666;
  font-size: 0.9rem;
  font-style: italic;
  margin-top: 2rem;
}

.artist-link {
  position: absolute;
  top: 80px;
  right: 100px;
  transform: rotate(51deg);
  z-index: 100;
  width: 150px;
  height: 100px;
  pointer-events: auto;
  /* DEBUG: Temporary visible area for clickable link */
  /* outline: 2px dashed #ff0;
  background: rgba(255, 255, 0, 0.2); */
}

.artist-link a {
  display: block;
  width: 100%;
  height: 100%;
  text-indent: -9999px;
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}

.artist-link a:hover {
  background: #fff;
  color: #23232b;
}

/* Footer */
.tiny-footer {
  font-size: 0.75rem;
  color: #aaa;
  text-align: center;
  margin-top: -10px; /* shifts footer upward */
  padding: 5px 10px;
}

.tiny-footer a {
  color: #aaa;
  text-decoration: underline;
}

.tiny-footer a:hover {
  color: #fff;
}

.logbook {
  position: absolute;
  left: 24px;
  top: 20px;
  width: 260px;
  height: 850px;
  background: rgba(30, 30, 40, 0.95);
  border: 4px solid #000;
  box-sizing: border-box;
  font-size: 0.85em;
  color: #eee;
  overflow-y: auto;
  z-index: 10;
  padding: 16px 10px 16px 16px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.logbook h2 {
  font-size: 1em;
  margin: 0 0 8px 0;
  color: #fff;
  text-align: left;
}

#logList {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.85em;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#logList li {
  color: #ccc;
  font-size: 0.95em;
  word-break: break-word;
}

.log-shimmer {
  background: linear-gradient(
    90deg,
    #fff 0%,
    #f8f8ff 20%,
    #ffe 40%,
    #fff 60%,
    #e0e0e0 80%,
    #fff 100%
  );
  background-size: 400% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 6s linear infinite;
  font-weight: bold;
  filter: drop-shadow(0 0 2px #fff8);
}

@keyframes shimmer {
  0% {
    background-position: 400% 0;
  }
  100% {
    background-position: 0 0;
  }
}

.homepage-link {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.homepage-link a {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: bold;
  transition: all 0.3s ease;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.homepage-link a:hover {
  background: rgba(255, 255, 255, 0.9);
  color: #23232b;
  border-color: rgba(255, 255, 255, 0.8);
  transform: translateY(-1px);
}
