/*
  Neon folders (Category selector)
  Adapted from the provided css-neon-folder-animation asset.
  Scope: folders.html
*/

html, body { height: 100%; }

body.neon-body {
  font-family: 'Poppins', sans-serif;
  background-color: #0d0d2b;
  background-image:
    linear-gradient(to right, rgba(0, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 255, 255, 0.05) 1px, transparent 1px),
    radial-gradient(circle at top right, rgba(192, 38, 211, 0.4), transparent 50%),
    radial-gradient(circle at bottom left, rgba(79, 70, 229, 0.4), transparent 60%),
    radial-gradient(circle at center, rgba(0, 255, 255, 0.05), transparent 70%);
  background-size: 20px 20px, 20px 20px, cover, cover, cover;
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

body.neon-body::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, white 1px, transparent 1px) repeat;
  background-size: 50px 50px;
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
}

.neon-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  background: rgba(13, 13, 43, 0.55);
  border-bottom: 1px solid rgba(0, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.neon-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.neon-brand img.neon-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.neon-brand img.neon-wordmark {
  height: 22px;
  width: auto;
  object-fit: contain;
}

.neon-nav {
  display: flex;
  gap: 14px;
  align-items: center;
}

.neon-nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.18);
}

.neon-nav a:hover {
  border-color: rgba(0,255,255,0.30);
}

.neon-nav a[aria-current="page"] {
  border-color: rgba(0,255,255,0.45);
  box-shadow: 0 0 18px rgba(0,255,255,0.12);
}

.neon-main {
  position: relative;
  z-index: 1;
  padding: 44px 0 90px;
}

.neon-main h1 {
  margin: 0 auto;
  width: min(1100px, calc(100% - 40px));
  color: rgba(255,255,255,0.95);
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 1px;
  font-size: clamp(28px, 3.2vw, 44px);
}

.neon-main p {
  margin: 12px auto 0;
  width: min(1100px, calc(100% - 40px));
  color: rgba(255,255,255,0.72);
  line-height: 1.6;
}

.neon-grid {
  margin: 46px auto 0;
  width: min(1280px, calc(100% - 40px));
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 56px 46px;
  justify-items: center;
}

@keyframes line-pulse-extend-1 {
  0% { height: 30px; opacity: 0.6; box-shadow: 0 0 10px currentColor, 0 0 15px currentColor; }
  50% { height: 95px; opacity: 1; box-shadow: 0 0 20px currentColor, 0 0 30px currentColor, 0 0 50px currentColor; }
  100% { height: 90px; opacity: 0.9; box-shadow: 0 0 15px currentColor, 0 0 25px currentColor; }
}
@keyframes line-pulse-extend-2 {
  0% { height: 35px; opacity: 0.7; box-shadow: 0 0 10px currentColor, 0 0 15px currentColor; }
  50% { height: 105px; opacity: 1; box-shadow: 0 0 20px currentColor, 0 0 30px currentColor, 0 0 50px currentColor; }
  100% { height: 100px; opacity: 0.9; box-shadow: 0 0 15px currentColor, 0 0 25px currentColor; }
}
@keyframes line-pulse-extend-3 {
  0% { height: 28px; opacity: 0.5; box-shadow: 0 0 10px currentColor, 0 0 15px currentColor; }
  50% { height: 90px; opacity: 0.9; box-shadow: 0 0 20px currentColor, 0 0 30px currentColor, 0 0 45px currentColor; }
  100% { height: 85px; opacity: 0.8; box-shadow: 0 0 15px currentColor, 0 0 25px currentColor; }
}
@keyframes folder-glow {
  0%, 100% {
    box-shadow:
      0 0 10px rgba(0, 255, 255, 0.5),
      0 0 15px rgba(255, 0, 255, 0.4),
      0 0 20px rgba(0, 255, 0, 0.3),
      inset 0 0 8px rgba(0,0,0,0.4);
  }
  50% {
    box-shadow:
      0 0 15px rgba(0, 255, 255, 0.7),
      0 0 25px rgba(255, 0, 255, 0.6),
      0 0 35px rgba(0, 255, 0, 0.5),
      inset 0 0 12px rgba(0,0,0,0.5);
  }
}

.folder-container-neon {
  position: relative;
  width: 280px;
  height: 300px;
  transition: transform 0.6s ease-out;
  perspective: 1500px;
  transform-style: preserve-3d;
  cursor: pointer;
}

.folder-container-neon:focus-visible {
  outline: 3px solid rgba(0,255,255,0.55);
  outline-offset: 8px;
  border-radius: 18px;
}

.doc-sheet {
  position: absolute;
  bottom: 115px;
  left: 50%;
  width: 80px;
  background-color: rgba(10, 10, 30, 0.6);
  border-radius: 4px 4px 0 0;
  transform-origin: bottom center;
  opacity: 0.7;
  transition: height 0.5s ease-out, opacity 0.5s ease-out, box-shadow 0.5s ease-out, transform 0.6s ease-out;
  border: 1px solid currentColor;
  border-bottom: none;
  box-shadow: 0 0 10px currentColor, 0 0 15px currentColor;
  color: white;
}

.sheet-1 {
  color: #00ffff;
  height: 30px;
  transform: translateX(calc(-50% - 55px)) rotate(-12deg);
  z-index: 1;
  opacity: 0.6;
}

.sheet-2 {
  color: #ff00ff;
  height: 35px;
  transform: translateX(-50%) rotate(0deg);
  z-index: 2;
  opacity: 0.7;
  width: 90px;
}

.sheet-3 {
  color: #00ff00;
  height: 28px;
  transform: translateX(calc(-50% + 55px)) rotate(12deg);
  z-index: 1;
  opacity: 0.5;
}

.folder-container-neon:hover {
  transform: rotateY(5deg) rotateX(3deg);
}

.folder-container-neon:hover .sheet-1 {
  animation: line-pulse-extend-1 0.7s ease-in-out forwards;
  transform: translateX(calc(-50% - 60px)) rotate(-15deg) translateZ(10px);
}

.folder-container-neon:hover .sheet-2 {
  animation: line-pulse-extend-2 0.7s 0.1s ease-in-out forwards;
  transform: translateX(-50%) rotate(0deg) translateZ(15px);
}

.folder-container-neon:hover .sheet-3 {
  animation: line-pulse-extend-3 0.7s 0.05s ease-in-out forwards;
  transform: translateX(calc(-50% + 60px)) rotate(15deg) translateZ(10px);
}

.folder-container-neon:hover .folder-card-neon {
  transform: translateY(-10px) scale(1.03) translateZ(20px);
  animation: folder-glow 2s infinite alternate ease-in-out;
}

.folder-card-neon {
  position: absolute;
  bottom: 40px;
  left: 0;
  width: 100%;
  height: 120px;
  background-color: rgba(20, 20, 50, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 255, 255, 0.4);
  border-radius: 0 8px 16px 16px;
  box-shadow:
    0 0 10px rgba(0, 255, 255, 0.4),
    0 0 15px rgba(255, 0, 255, 0.3),
    inset 0 0 6px rgba(0,0,0,0.4);
  padding: 22px 18px;
  z-index: 5;
  transition: transform 0.6s ease-out, box-shadow 0.6s ease-out;
  font-family: 'Orbitron', sans-serif;
  border-top: none;
  transform-style: preserve-3d;
}

.folder-card-neon::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -1px;
  height: 20px;
  width: 120px;
  background-color: rgba(20, 20, 50, 0.95);
  border: 1px solid rgba(0, 255, 255, 0.4);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  box-shadow: 0 -3px 8px rgba(0, 255, 255, 0.3);
  z-index: 4;
}

.folder-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  height: 100%;
}

.folder-icon-neon {
  width: 34px;
  height: 34px;
  color: #00ffff;
  filter: drop-shadow(0 0 8px #00ffff) drop-shadow(0 0 12px #00ffff);
  transition: transform 0.4s ease-in-out;
}

.folder-title-neon {
  margin: 0;
  color: #e0e0e0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-align: center;
  text-shadow:
    0 0 4px #00ffff,
    0 0 8px #ff00ff,
    0 0 12px #00ff00;
}

.folder-container-neon:hover .folder-icon-neon {
  transform: scale(1.2) translateZ(5px);
}

/* Improve title wrapping for long category names */
.folder-title-neon {
  max-width: 190px;
  line-height: 1.2;
  word-break: break-word;
}

@media (max-width: 420px) {
  .folder-container-neon { width: 260px; }
}


/* ---------------------------------------------------------------------------
   Featured folder (House Fellowship Manuals 2026)
   Make it first, slightly larger, and with a warm red/orange/yellow neon vibe.
--------------------------------------------------------------------------- */

@keyframes folder-glow-warm {
  0%, 100% {
    box-shadow:
      0 0 10px rgba(255, 59, 48, 0.45),
      0 0 18px rgba(255, 159, 10, 0.38),
      0 0 26px rgba(255, 214, 10, 0.30),
      inset 0 0 10px rgba(0,0,0,0.45);
  }
  50% {
    box-shadow:
      0 0 18px rgba(255, 59, 48, 0.70),
      0 0 30px rgba(255, 159, 10, 0.62),
      0 0 44px rgba(255, 214, 10, 0.50),
      inset 0 0 14px rgba(0,0,0,0.55);
  }
}

.folder-container-neon.is-featured {
  width: 280px;
  height: 300px;
}

.folder-container-neon.is-featured:focus-visible {
  outline: 3px solid rgba(255, 159, 10, 0.65);
  outline-offset: 8px;
}

.folder-container-neon.is-featured .sheet-1 { color: #ff3b30; }
.folder-container-neon.is-featured .sheet-2 { color: #ff9f0a; }
.folder-container-neon.is-featured .sheet-3 { color: #ffd60a; }

.folder-container-neon.is-featured .folder-icon-neon {
  color: #ff9f0a;
  filter: drop-shadow(0 0 8px #ff9f0a) drop-shadow(0 0 12px #ffd60a);
}

.folder-container-neon.is-featured .folder-card-neon {
  border-color: rgba(255, 159, 10, 0.55);
  box-shadow:
    0 0 14px rgba(255, 159, 10, 0.32),
    0 0 18px rgba(255, 59, 48, 0.22),
    inset 0 0 8px rgba(0,0,0,0.45);
}

.folder-container-neon.is-featured .folder-card-neon::before {
  border-color: rgba(255, 159, 10, 0.55);
  box-shadow: 0 -3px 10px rgba(255, 159, 10, 0.28);
}

.folder-container-neon.is-featured .folder-title-neon {
  text-shadow:
    0 0 4px #ffd60a,
    0 0 8px #ff9f0a,
    0 0 14px #ff3b30;
}

.folder-container-neon.is-featured:hover .folder-card-neon {
  animation: folder-glow-warm 2s infinite alternate ease-in-out;
}

/* Mobile sizing */
@media (max-width: 420px) {
  .folder-container-neon.is-featured { width: 260px; height: 320px; }
}