@import url("https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Mono:wght@300;400;500&family=Inter:wght@300;400;500;600&display=swap");

:root {
  --bg: #f0ece3;
  --fg: #0d0d14;
  --muted: #9a9aaa;
  --accent: #3a6e00;
  --card-bg: rgba(240, 236, 227, 0.82);
  --card-border: rgba(58, 110, 0, 0.2);
  --hairline: 1px;
  
  --font-display: "Bebas Neue", sans-serif;
  --font-mono: "DM Mono", monospace;
  --font-sans: "Inter", sans-serif;
}

:root[data-theme="dark"] {
  --bg: #1c1814;
  --fg: #ede8df;
  --muted: #8a7b6e;
  --accent: #d4a84b;
  --card-bg: rgba(28, 24, 20, 0.82);
  --card-border: rgba(212, 168, 75, 0.2);
}

body {
  background-color: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  overflow-x: hidden;
  transition: background-color 0.5s cubic-bezier(0.25, 1, 0.5, 1), color 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

/* 3D Scene Properties */
.scene-container {
  position: fixed;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1200px;
  pointer-events: none;
}

.cube-wrapper {
  --s: min(72vw, 72vh, 480px);
  width: var(--s);
  height: var(--s);
  position: relative;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  will-change: transform;
}

@media (max-width: 768px) {
  .cube-wrapper {
    --s: min(80vw, 40vh, 280px);
  }
}

.cube-face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  -webkit-backface-visibility: visible;
  backface-visibility: visible;
  background-color: var(--bg);
  border: var(--hairline) solid var(--card-border);
  transition: border-color 0.5s ease, background-color 0.5s ease;
}

/* Grid overlay for artistic touch */
.cube-face::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(128, 128, 128, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(128, 128, 128, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

/* Face positions */
.face-front  { transform: translateZ(calc(var(--s) / 2)); }
.face-back   { transform: rotateY(180deg) translateZ(calc(var(--s) / 2)); }
.face-right  { transform: rotateY(90deg) translateZ(calc(var(--s) / 2)); }
.face-left   { transform: rotateY(-90deg) translateZ(calc(var(--s) / 2)); }
.face-top    { transform: rotateX(90deg) translateZ(calc(var(--s) / 2)); }
.face-bottom { transform: rotateX(-90deg) translateZ(calc(var(--s) / 2)); }

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--card-border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Custom Utilities & Animations */
.text-stroke {
  -webkit-text-stroke: 1px var(--fg);
  color: transparent;
}

.animate-spin-slow {
  animation: spin 8s linear infinite;
}

.animate-fade-in {
  animation: fadeIn 0.3s ease-out forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Force maximum z-index layer and screen coverage for immersive modals to resolve stacking leakage */
#reader-modal, #gallery-modal {
  z-index: 99999 !important;
  width: 100vw;
  height: 100vh;
  position: fixed;
  inset: 0;
}