:root {
  --glass: rgba(8, 28, 36, 0.55);
  --glass-border: rgba(160, 230, 240, 0.22);
  --text: #e6f6f8;
  --text-dim: #9fc4cb;
  --accent: #5ee0d0;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #031116;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
}
#scene:active { cursor: grabbing; }

.hud {
  position: fixed;
  z-index: 2;
  pointer-events: none;
}

.hud-top {
  top: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.hud-top h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
}

.buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  pointer-events: auto;
}

button {
  font: inherit;
  font-size: 13px;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.15s, border-color 0.15s;
}
button:hover { background: rgba(20, 70, 82, 0.7); border-color: var(--accent); }
button.active { border-color: var(--accent); color: var(--accent); }

.hud-bottom {
  left: 16px;
  right: 16px;
  bottom: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 12px;
  color: var(--text-dim);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.8);
  transition: opacity 0.6s;
}
.hud-bottom.faded { opacity: 0.15; }

kbd {
  font: inherit;
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  color: var(--text);
}

#fish-info {
  top: 64px;
  left: 168px;
  padding: 10px 14px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  min-width: 190px;
}
#fish-info .name { font-size: 16px; font-weight: 600; }
#fish-info .latin { font-size: 12px; font-style: italic; color: var(--text-dim); }
#fish-info .meta { font-size: 12px; margin-top: 6px; color: var(--text-dim); }
.hidden { display: none; }

#loading {
  position: fixed;
  inset: 0;
  z-index: 5;
  display: grid;
  place-items: center;
  background: #031116;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  transition: opacity 0.8s;
}
#loading.done { opacity: 0; pointer-events: none; }

@media (max-width: 640px) {
  .hud-bottom { display: none; }
  .hud-top h1 { font-size: 15px; }
  button { padding: 6px 10px; font-size: 12px; }
}

/* --- menú lateral de pantallas ------------------------------------------- */
#menu {
  top: 64px;
  left: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 6px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  pointer-events: auto;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 136px;
  padding: 9px 12px;
  border-radius: 11px;
  border-color: transparent;
  background: transparent;
  text-align: left;
}
.menu-item .ico { font-size: 20px; line-height: 1; }
.menu-item.active {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent);
  color: var(--accent);
}

/* --- tema del cementerio -------------------------------------------------- */
body[data-scene="graveyard"] {
  --glass: rgba(24, 12, 34, 0.6);
  --glass-border: rgba(255, 170, 90, 0.28);
  --accent: #ff9a2e;
  --text: #fbeede;
  --text-dim: #cdb4c9;
}
body[data-scene="graveyard"] #loading { background: #0a0612; }

@media (max-width: 640px) {
  .menu-item { width: auto; padding: 9px 10px; }
  .menu-item .label { display: none; }
  #fish-info { left: 72px; }
}