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

body {
  overflow: hidden;
  background: #000;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  color: #e0e0e0;
  -webkit-font-smoothing: antialiased;
}

/* ── Splash Screen ── */
#splash {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, #0d0020 0%, #020008 70%, #000 100%);
  transition: opacity 1.2s ease, transform 1.2s ease;
}

#splash.dissolving {
  opacity: 0;
  transform: scale(1.3);
  pointer-events: none;
}

#splash-content {
  text-align: center;
}

#splash-title {
  font-size: clamp(4rem, 15vw, 12rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #00d4ff;
  position: relative;
  text-shadow: 0 0 40px rgba(0, 212, 255, 0.4), 0 0 80px rgba(0, 212, 255, 0.15);
}

#splash-sub {
  font-size: clamp(0.7rem, 2vw, 1rem);
  font-weight: 200;
  color: rgba(200, 200, 220, 0.6);
  margin-top: 1rem;
  letter-spacing: 0.08em;
  animation: fadeInUp 1.5s ease 0.5s both;
}

#enter-btn {
  margin-top: 3rem;
  padding: 0.9rem 2.8rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #00d4ff;
  background: transparent;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  animation: fadeInUp 1.5s ease 1s both, pulse-border 2.5s ease-in-out infinite;
  transition: all 0.3s ease;
}

#enter-btn:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.6);
  text-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
}

#enter-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
  transform: translateX(-100%);
  animation: shimmer 3s ease-in-out infinite;
}

/* ── Glitch Effect ── */
.glitch {
  position: relative;
  animation: glitch-skew 4s infinite linear alternate-reverse;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.glitch::before {
  color: #ff00ea;
  animation: glitch-1 3s infinite linear alternate-reverse;
  clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
}
.glitch::after {
  color: #00ffc8;
  animation: glitch-2 2.5s infinite linear alternate-reverse;
  clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
}

@keyframes glitch-1 {
  0%, 80% { transform: translate(0); }
  82% { transform: translate(-3px, 2px); }
  84% { transform: translate(3px, -1px); }
  86% { transform: translate(0); }
}
@keyframes glitch-2 {
  0%, 75% { transform: translate(0); }
  77% { transform: translate(2px, 1px); }
  79% { transform: translate(-2px, -2px); }
  81% { transform: translate(0); }
}
@keyframes glitch-skew {
  0%, 90% { transform: skew(0deg); }
  92% { transform: skew(-1deg); }
  94% { transform: skew(0.5deg); }
  96% { transform: skew(0deg); }
}

/* ── Glass Panels ── */
.glass-panel {
  background: rgba(10, 0, 30, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: 4px;
}

/* ── HUD ── */
#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  transition: opacity 0.8s ease;
}
#hud.hidden { opacity: 0; }
#hud > * { pointer-events: auto; }

#hud-counter {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.8rem 1.2rem;
}
#counter-label {
  font-size: 0.55rem;
  font-weight: 200;
  letter-spacing: 0.2em;
  color: rgba(0, 212, 255, 0.6);
  margin-bottom: 0.3rem;
}
#counter-value {
  font-size: 2rem;
  font-weight: 800;
  color: #00d4ff;
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
  transition: transform 0.15s ease;
}
#counter-value.bump {
  transform: scale(1.25);
}

#hud-mood {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.8rem 1.2rem;
  text-align: right;
}
#mood-label {
  font-size: 0.55rem;
  font-weight: 200;
  letter-spacing: 0.2em;
  color: rgba(0, 212, 255, 0.6);
  margin-bottom: 0.3rem;
}
#mood-value {
  font-size: 1rem;
  font-weight: 700;
  color: #8ae0ff;
  transition: color 0.5s ease;
}

#hud-quote {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.6rem 1.5rem;
  max-width: 90vw;
  text-align: center;
}
#quote-text {
  font-size: 0.72rem;
  font-weight: 200;
  font-style: italic;
  color: rgba(200, 210, 230, 0.6);
  letter-spacing: 0.03em;
  transition: opacity 0.6s ease;
}

/* ── Easter Egg ── */
#easter-egg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  pointer-events: none;
}
#easter-egg.hidden { display: none; }
#easter-egg span {
  font-size: clamp(1.5rem, 6vw, 4rem);
  font-weight: 800;
  color: #00d4ff;
  text-shadow: 0 0 60px rgba(0, 212, 255, 0.6), 0 0 120px rgba(0, 212, 255, 0.3);
  animation: easter-flash 3s ease forwards;
}
@keyframes easter-flash {
  0% { opacity: 0; transform: scale(0.5); }
  15% { opacity: 1; transform: scale(1.1); }
  85% { opacity: 1; }
  100% { opacity: 0; transform: scale(1.3); }
}

/* ── Settings ── */
#settings-toggle {
  position: absolute;
  bottom: 3.5rem;
  right: 1rem;
  width: 2.4rem;
  height: 2.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  color: rgba(0, 212, 255, 0.6);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 212, 255, 0.15);
  background: rgba(10, 0, 30, 0.55);
}
#settings-toggle:hover {
  color: #00d4ff;
  border-color: rgba(0, 212, 255, 0.4);
}

#settings-drawer {
  position: absolute;
  right: 1rem;
  bottom: 6.5rem;
  width: 260px;
  padding: 1.2rem;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
#settings-drawer.hidden {
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
}
#settings-drawer h3 {
  font-size: 0.6rem;
  font-weight: 200;
  letter-spacing: 0.25em;
  color: rgba(0, 212, 255, 0.5);
  margin-bottom: 1rem;
}
.setting-group {
  margin-bottom: 0.9rem;
}
.setting-group label {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  color: rgba(200, 210, 230, 0.7);
  margin-bottom: 0.3rem;
  letter-spacing: 0.05em;
}
.setting-group select,
.setting-group input[type="range"] {
  width: 100%;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  background: rgba(0, 0, 0, 0.4);
  color: #aacce0;
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 2px;
  padding: 0.3rem 0.5rem;
  outline: none;
}
.setting-group select:focus {
  border-color: rgba(0, 212, 255, 0.4);
}
.setting-group input[type="range"] {
  -webkit-appearance: none;
  height: 4px;
  padding: 0;
  border: none;
  background: rgba(0, 212, 255, 0.15);
  border-radius: 2px;
  cursor: pointer;
}
.setting-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #00d4ff;
  cursor: pointer;
}
.setting-group input[type="checkbox"] {
  accent-color: #00d4ff;
}
.setting-group span {
  font-size: 0.6rem;
  color: rgba(0, 212, 255, 0.5);
  margin-left: 0.5rem;
}

#reset-void {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #ff4466;
  background: rgba(255, 68, 102, 0.08);
  border: 1px solid rgba(255, 68, 102, 0.25);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
}
#reset-void:hover {
  background: rgba(255, 68, 102, 0.15);
  border-color: rgba(255, 68, 102, 0.5);
}

/* ── Footer ── */
#footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
  padding: 0.5rem;
  font-size: 0.6rem;
  font-weight: 200;
  color: rgba(150, 160, 180, 0.35);
  letter-spacing: 0.08em;
}
#footer a {
  color: rgba(0, 212, 255, 0.4);
  text-decoration: none;
  transition: color 0.3s ease;
}
#footer a:hover {
  color: rgba(0, 212, 255, 0.7);
}

/* ── Scene ── */
#scene-container {
  position: fixed;
  inset: 0;
  z-index: 1;
}
#scene-container canvas {
  display: block;
}

/* ── Animations ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-border {
  0%, 100% { border-color: rgba(0, 212, 255, 0.15); }
  50% { border-color: rgba(0, 212, 255, 0.45); }
}
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

/* ── Mobile ── */
@media (max-width: 600px) {
  #hud-counter { padding: 0.5rem 0.8rem; }
  #counter-value { font-size: 1.5rem; }
  #hud-mood { padding: 0.5rem 0.8rem; }
  #mood-value { font-size: 0.8rem; }
  #settings-drawer { width: 220px; right: 0.5rem; }
  #hud-quote { bottom: 2.5rem; padding: 0.4rem 1rem; }
}