/* styles/tiles.css */

/* Base grid used elsewhere */
.tiles{display:grid; gap:24px; grid-template-columns:repeat(3,minmax(0,1fr))}

/* --- shared tile visuals --- */
.tile, .lib-tile{
  position:relative; display:flex; flex-direction:column; align-items:center; justify-content:center;
  min-height:160px; padding:22px; border-radius:22px;
  background:
    radial-gradient(120% 130% at 20% 0%, rgba(124,58,237,.16) 0%, rgba(34,211,238,.10) 60%, rgba(255,255,255,0.05) 100%),
    linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 10px 36px rgba(0,0,0,.45);
  text-align:center; transition:transform .14s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease, filter .22s ease;
  overflow:hidden;
  will-change: transform, opacity;
}
.tile::after, .lib-tile::after{
  content:""; position:absolute; inset:0; border-radius:inherit;
  background:radial-gradient(120% 70% at 50% -20%, rgba(255,255,255,.12) 0%, transparent 60%);
}
.tile:hover, .lib-tile:hover{
  transform:translateY(-4px); box-shadow:0 18px 60px rgba(0,0,0,.55);
  border-color:rgba(255,255,255,.26);
  background:
    radial-gradient(120% 130% at 20% 0%, rgba(124,58,237,.25) 0%, rgba(34,211,238,.18) 60%, rgba(255,255,255,.06) 100%),
    linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.07));
}
.bubble{
  width:44px; height:44px; border-radius:50%; margin-bottom:10px; background:linear-gradient(135deg,#7c3aed,#22d3ee);
  box-shadow:0 8px 28px rgba(124,58,237,.35), 0 8px 28px rgba(34,211,238,.25);
  display:grid; place-items:center;
}
.dot{width:8px; height:8px; border-radius:50%; background:#fff; opacity:.92}
.title{color:#fff; font-weight:800; letter-spacing:.01em; font-size:clamp(16px,1.6vw,20px); line-height:1.2; margin-top:2px}
.meta{margin-top:6px; font-size:13px; color:#c5d2ea}

.actions{display:flex; gap:14px; justify-content:center; margin:28px 0 6px}
.cta{padding:12px 22px; border-radius:999px; font-weight:800; letter-spacing:.02em; border:1px solid transparent; background:linear-gradient(135deg,#7c3aed,#22d3ee); color:#051025; box-shadow:0 10px 28px rgba(124,58,237,.30), 0 10px 28px rgba(34,211,238,.25); cursor:pointer}
.cta:hover{transform:translateY(-2px); filter:brightness(1.04)}

/* ---- All Pages Library ---- */
.library.card{
  border:1px solid rgba(255,255,255,.14);
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border-radius:16px;
  padding:14px 14px 2px;
  margin:16px 0 24px;
  box-shadow:0 24px 70px rgba(0,0,0,.35);
}
.library .lib-header{
  display:flex; justify-content:space-between; align-items:center; padding:4px 4px 12px;
}
.library .lib-title{ font-weight:800; letter-spacing:.02em; color:#e9f0ff }
.library .lib-hint{ color:#aabbd8; font-size:.9rem }

.lib-grid{
  display:grid; gap:16px; grid-template-columns:repeat(4, minmax(0,1fr));
}
.lib-tile{
  cursor:pointer;
  opacity:0; transform:scale(.96) translateY(8px);
  transition: opacity .35s cubic-bezier(.22,.61,.36,1), transform .35s cubic-bezier(.22,.61,.36,1);
}
.lib-tile.pop{ opacity:1; transform:scale(1) translateY(0); }
.lib-code{ margin-top:6px; font:600 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; color:#9cd0ff }
.lib-tile:focus-visible{ outline:2px solid #9cd0ff; outline-offset:2px; border-radius:22px }

/* responsive */
@media (max-width:1200px){ .lib-grid{ grid-template-columns:repeat(3,minmax(0,1fr)); } }
@media (max-width:820px){ .lib-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:520px){ .lib-grid{ grid-template-columns:1fr; } .library.card{ padding:12px } }

@media (max-width:980px){ .tiles{grid-template-columns:1fr 1fr} }
@media (max-width:680px){ .tile{min-height:136px} .title{font-size:clamp(15px,3.8vw,18px)} }