/* styles.css - local fonts + styles */

/* ---- local fonts (drop your .woff2 files into /fonts) ---- */
.unifrakturmaguntia-regular {
  font-family: "UnifrakturMaguntia", cursive;
  font-weight: 400;
  font-style: normal;
}

.playfair-normal {
  font-family: "Playfair", serif;
  font-optical-sizing: auto;
  font-weight: 100;
  font-style: normal;
  font-variation-settings:
    "wdth" 100;
}

/* color vars */
:root{
  --red:#b21f1f;
  --deep:#0b0b0b;
  --parchment:#f3ead7;
  --gold:#c9a34a;
  --muted:#6b6b6b;
}

/* base */
body {
  background: linear-gradient(180deg, rgba(6,6,6,0.9) 0%, rgba(12,12,12,0.9) 100%);
  color: #eee;
  font-family: 'Playfair', serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-y:auto;
  overflow-x:hidden !important;
}

*, *::before, *::after { box-sizing: inherit; }
/* decorative */
.parchment {
  background: linear-gradient(180deg, rgba(243,234,215,0.95), rgba(233,221,190,0.94));
  color: #1b1b1b;
  box-shadow: 0 10px 30px rgba(0,0,0,0.6);
}
.title-brand {
  font-family: 'UnifrakturMaguntia', cursive;
  letter-spacing: -0.05em;
  color: var(--parchment);
  text-shadow: 0 6px 0 rgba(0,0,0,0.6);
}
.glyph {
  font-family: 'PressStart2P-Regular', monospace;
  color: var(--gold);
  opacity: .85;
}

/* nav */
.navlink {
  font-family: 'Playfair', sans-serif;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--parchment);
  font-size: .9rem;
}

.grid a {
  background-color: var(--deep, #0b0b0b); /* keep the dark base */
  border: 2px solid var(--red);            /* red border */
  color: var(--gold);                       /* red text */
  transition: all 0.3s ease;
}

.grid a:hover {
  background-color: var(--red);            /* red fill on hover */
  color: var(--parchment);                 /* parchment text for contrast */
  border-color: var(--gold);               /* optional gold border highlight */
  box-shadow: 0 0 10px rgba(178,31,31,0.7);
}

.subheader {
  color: var(--gold)
}
/* glitch underline */
.glitch-underline { position: relative; display: inline-block; }
.glitch-underline::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: linear-gradient(90deg, var(--red), var(--gold));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform .28s cubic-bezier(.2,.9,.2,1);
  box-shadow: 0 2px 8px rgba(178,31,31,0.35);
}
.glitch-underline:hover::after {
  transform: scaleX(1);
  animation: glitch-flicker 0.25s steps(2, start) 2;
}

@keyframes glitch-flicker {
  0% { opacity: 1; }
  25% { opacity: 0; transform: scaleX(0.9); }
  50% { opacity: 1; transform: scaleX(1.05); }
  75% { opacity: 0; transform: scaleX(0.8); }
  100% { opacity: 1; transform: scaleX(1); }
}

.glitch {
  position: relative;
  color: var(--parchment);
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  overflow: hidden;
}

/* duplicate text layers for RGB glitch */
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

/* cyan shadow */
.glitch::before {
  left: 2px;
  text-shadow: -2px 0 cyan;
  animation: glitch-anim 2s infinite linear alternate-reverse;
}

/* red shadow */
.glitch::after {
  left: -2px;
  text-shadow: -2px 0 red;
  animation: glitch-anim2 1.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
  0% { clip: rect(10px, 9999px, 20px, 0); }
  20% { clip: rect(30px, 9999px, 50px, 0); }
  40% { clip: rect(5px, 9999px, 15px, 0); }
  60% { clip: rect(25px, 9999px, 40px, 0); }
  80% { clip: rect(15px, 9999px, 35px, 0); }
  100% { clip: rect(0, 9999px, 60px, 0); }
}

@keyframes glitch-anim2 {
  0% { clip: rect(20px, 9999px, 40px, 0); }
  20% { clip: rect(10px, 9999px, 25px, 0); }
  40% { clip: rect(30px, 9999px, 55px, 0); }
  60% { clip: rect(15px, 9999px, 35px, 0); }
  80% { clip: rect(25px, 9999px, 45px, 0); }
  100% { clip: rect(5px, 9999px, 20px, 0); }
}
/* Flipbook container: two-page spread feel (desktop) */
#book {
  width: 100%;
  max-width: 1100px;
  margin: 1.25rem auto;
  aspect-ratio: 3 / 2; /* ~ two pages (2 * 900 / 1200) */
  background: linear-gradient(180deg, rgba(0,0,0,0.45), rgba(0,0,0,0.35));
  border-radius: 12px;
  box-shadow: 0 18px 48px rgba(0,0,0,0.6), inset 0 -8px 30px rgba(0,0,0,0.25);
  overflow: hidden;
  position: relative;
}

/* single-page mobile class (applied by JS) */
#book.rd-single {
  /* reduce aspect to single-page portrait */
  aspect-ratio: 3 / 4;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* Make sure canvases/images inside scale to their container sizes */
#book canvas, #book img {
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
  display: block;
  image-rendering: auto;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}


/* Prefer % / vh-limited heights instead of a fixed rem that may be too large */
#flipbook-viewport {
  max-width: 100%;
  /* cap height so it never exceeds the viewport */
  height: min(24rem, 100vh);
  max-height: 100vh;
  overflow: hidden; /* contain children that might grow */
  position: relative; 
}

/* Avoid 100vw — use 100% so scrollbars/safe-areas don't create overflow */
canvas#ascii-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;        /* <--- changed from 100vw */
  height: 100%;       /* consider 100dvh if supported, see note below */
  z-index: -1;
  pointer-events: none;
  box-sizing: border-box;
}

/* If the flipbook renderer canvas must scale, force containment */
#flipbook-container {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;    /* critical: ensure children can't spill out */
}

/* Be careful with full-stretch canvas — prefer contain for aspect safety */
#flipbook-container canvas {
  display: block !important;
  width: 100% !important;   /* keeps it inside container */
  height: 100% !important;
  max-width: 100% !important;
  max-height: 100% !important;
  object-fit: contain;      /* scale while preserving aspect ratio */
  position: absolute !important;
  left: 0; top: 0;
}

/* optional: style for selected issue */
a[data-file].selected { border-color: #b71c1c; color: #ffbaba; box-shadow: 0 6px 20px rgba(183,28,28,0.12); }

/* controls disabled look */
#flipbook-controls button[aria-disabled="true"], #flipbook-controls button:disabled { opacity: 0.45; cursor: not-allowed; }

#prevBtn, #nextBtn, #submit, #revealBtn {
  background-color: var(--deep);           
  color: var(--gold);                        
  border: 2px solid var(--red);
  padding: 0.5rem 1rem;
  font-weight: 600;
  border-radius: 1rem;
  transition: all 0.3s ease;
}

#prevBtn:hover, #nextBtn:hover, #submit:hover, #revealBtn:hover {
  background-color: var(--red);            
  color: var(--parchment);                 
  border-color: var(--gold);
  box-shadow: 0 0 12px rgba(178,31,31,0.7);
}
/* vignette */
.vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient( circle at 50% 40%, rgba(0,0,0,0) 30%, rgba(0,0,0,0.35) 100% );
  pointer-events: none;
  mix-blend-mode: multiply;
}

/* scanlines */
.scanlines:before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(0deg, rgba(0,0,0,0.02) 1px, transparent 1px);
  background-size: 100% 3px;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: .35;
}

/* ornate utility */
.ornate {
  border-image: linear-gradient(90deg, rgba(178,31,31,0.8), rgba(201,163,74,0.9)) 1 / 1 / 0 stretch;
  box-shadow: 0 8px 30px rgba(0,0,0,0.6);
}

/* responsive canvas wrapper */
#three-root canvas { width: 100%; height: 100%; display: block; }

canvas#ascii-canvas {
  position: fixed;      /* stick to viewport */
  top: 0;
  left: 0;
  width: 100vw;         /* fill screen */
  height: 100vh;
  z-index: -1;          /* behind page content */
  border: none;
  display: block;
  pointer-events: none; /* clicks pass through */
}
/* reduced motion fallback */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}