* { box-sizing: border-box; margin: 0; padding: 0; }
body { overflow: hidden; background: #050505; font-family: 'Courier New', monospace; }

#bg-canvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; }

#scanlines {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,0.03) 0px, rgba(0,0,0,0.03) 1px, transparent 1px, transparent 3px);
  mix-blend-mode: multiply;
}

#three-container { position: fixed; inset: 0; z-index: 5; }

/* Header */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10; padding: 24px 32px;
  display: flex; justify-content: space-between; align-items: flex-start;
  opacity: 0; transform: translateY(-20px); transition: all 0.8s ease;
  pointer-events: none;
}
#header.loaded { opacity: 1; transform: translateY(0); }
#header h1 {
  font-size: 32px; font-weight: 900; letter-spacing: 6px; color: #fff;
  text-shadow: 3px 3px 0 #ff2a6d, -1px -1px 0 #05d9e8; line-height: 1;
}
#header .sub {
  font-size: 10px; letter-spacing: 4px; color: rgba(255,255,255,0.4);
  margin-top: 6px; text-transform: uppercase;
}
#header .count {
  font-size: 10px; letter-spacing: 3px; color: rgba(255,255,255,0.3);
  text-transform: uppercase;
}
.dot {
  width: 8px; height: 8px; background: #01ff70; display: inline-block;
  vertical-align: middle; margin-left: 12px; animation: pulse 2s ease infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* Info panel (hover) */
#info-panel {
  position: fixed; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 10; text-align: center; opacity: 0; transition: opacity 0.3s ease;
  pointer-events: none;
}
#info-panel.visible { opacity: 1; }
#info-box { background: rgba(0,0,0,0.85); padding: 20px 40px; min-width: 280px; }
#info-title { font-size: 22px; font-weight: 900; letter-spacing: 4px; line-height: 1.2; }
#info-sub { font-size: 11px; letter-spacing: 3px; margin: 8px 0 0; text-transform: uppercase; }

/* Hint */
#hint {
  position: fixed; bottom: 12px; left: 50%; transform: translateX(-50%);
  z-index: 10; font-size: 9px; letter-spacing: 4px; color: #fff;
  text-transform: uppercase; opacity: 0; transition: opacity 0.5s ease;
  pointer-events: none;
}
#hint.visible { opacity: 0.3; }

/* Reader overlay */
#reader {
  position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,0);
  display: none; align-items: center; justify-content: center; flex-direction: column;
  transition: background 0.5s ease;
}
#reader.open { display: flex; background: rgba(0,0,0,0.92); }
#reader-spread {
  display: flex; align-items: center; justify-content: center; gap: 4px;
  max-width: 90vw; max-height: 72vh;
  opacity: 0; transform: scale(0.8);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
#reader.open #reader-spread { opacity: 1; transform: scale(1); }
.reader-page-img {
  max-height: 72vh; object-fit: contain; image-rendering: auto;
  border: 2px solid rgba(255,255,255,0.08);
  box-shadow: 0 0 40px rgba(0,0,0,0.6);
}
#reader-spread.single .reader-page-img { max-width: 45vw; }
#reader-spread.spread .reader-page-img { max-width: 42vw; }
#reader-close {
  position: absolute; top: 20px; right: 28px; background: none; border: none;
  color: #fff; font-size: 32px; cursor: pointer; font-family: 'Courier New', monospace;
  opacity: 0.5; transition: opacity 0.2s; z-index: 101;
}
#reader-close:hover { opacity: 1; }
#reader-nav { display: flex; align-items: center; gap: 24px; margin-top: 20px; }
.reader-arrow {
  background: none; border: 2px solid rgba(255,255,255,0.2); color: #fff;
  font-size: 24px; width: 48px; height: 48px; cursor: pointer;
  font-family: 'Courier New', monospace; transition: all 0.2s;
  display: flex; align-items: center; justify-content: center;
}
.reader-arrow:hover { border-color: #fff; background: rgba(255,255,255,0.1); }
.reader-arrow:disabled { opacity: 0.2; cursor: default; border-color: rgba(255,255,255,0.1); }
.reader-arrow:disabled:hover { background: none; border-color: rgba(255,255,255,0.1); }
#reader-counter { color: rgba(255,255,255,0.4); font-size: 12px; letter-spacing: 3px; }
#reader-title {
  color: rgba(255,255,255,0.6); font-size: 13px; letter-spacing: 4px;
  margin-bottom: 16px; text-transform: uppercase;
}

/* Responsive */
@media (max-width: 600px) {
  #header { padding: 14px 16px; }
  #header h1 { font-size: 20px; letter-spacing: 3px; }
  #header .sub { font-size: 8px; letter-spacing: 2px; }
  #header .count { font-size: 8px; }
  #info-title { font-size: 16px; letter-spacing: 2px; }
  #info-sub { font-size: 9px; letter-spacing: 2px; }
  #info-box { padding: 14px 20px; min-width: 200px; }
  #reader-spread { flex-direction: row; gap: 2px; }
  #reader-spread.single .reader-page-img { max-width: 90vw; max-height: 75vh; }
  #reader-spread.spread .reader-page-img { max-width: 90vw; max-height: 40vh; }
  #reader-close { top: 10px; right: 14px; font-size: 26px; }
  #reader-title { font-size: 11px; letter-spacing: 2px; }
  .reader-arrow { width: 40px; height: 40px; font-size: 18px; }
}
@media (max-width: 900px) and (min-width: 601px) {
  #header { padding: 18px 24px; }
  #header h1 { font-size: 26px; letter-spacing: 4px; }
}