/* ============================================
   LEARN — click-to-match study decks
   Extends /css/style.css (uses its CSS vars)
   ============================================ */

/* --- Wider container on learn pages (default site is 1000px) --- */
#learn .container,
#learn-deck .container {
  max-width: min(1500px, 95vw);
}

/* --- Disable typewriter/cascade animations on learn pages --- */
#learn .section-output,
#learn-deck .section-output {
  max-height: none;
  opacity: 1;
  overflow: visible;
  transition: none;
}
#learn .section-prompt,
#learn-deck .section-prompt,
#learn .section-desc,
#learn-deck .section-desc {
  opacity: 1;
}
#learn .typed-cursor,
#learn .typed-cursor-sm,
#learn-deck .typed-cursor,
#learn-deck .typed-cursor-sm { display: none; }

/* --- Landing grid --- */
.learn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.learn-tile {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  border: var(--border-w) solid var(--border);
  color: var(--text-2);
  text-decoration: none;
  background: var(--surface);
  transition: transform .15s, border-color .15s;
}
.learn-tile:hover {
  transform: translate(-2px, -2px);
  border-color: var(--purple);
}
.learn-tile-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: .5rem;
  font-size: .8rem;
  color: var(--text-muted);
}
.learn-tile-head .badge { flex-shrink: 0; align-self: flex-start; }
.learn-domain { text-align: right; }
.learn-title { margin: .5rem 0 .25rem; font-family: var(--font-mono); color: var(--text); }
.learn-meta { font-size: .85rem; color: var(--text-muted); }
.learn-cta { display: flex; justify-content: space-between; margin-top: auto; padding-top: 1rem; font-size: .9rem; }
.badge { padding: .1rem .45rem; font-size: .7rem; border: 1px solid currentColor; }
.badge-pentestplus { color: var(--red); }
.badge-cysaplus    { color: var(--cyan); }
.badge-both        { color: var(--green); }

/* --- Deck board --- */
.deck-root {
  border: var(--border-w) solid var(--border);
  padding: 1rem;
  background: var(--surface);
  margin-top: 1rem;
}
.match-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .75rem;
}
.match-timer {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text);
}
.match-submit {
  padding: .4rem .85rem;
  border: 1px solid var(--green);
  background: transparent;
  color: var(--green);
  cursor: pointer;
  font: inherit;
}
.match-submit:disabled { opacity: .4; cursor: not-allowed; }
.match-board {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) 3fr;
  gap: 1.25rem;
}
.match-terms, .match-defs { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; grid-auto-rows: minmax(3.25rem, auto); }
.match-defs li { display: grid; grid-template-columns: minmax(360px, 1.8fr) 2fr; align-items: stretch; gap: 1rem; }
.chip {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 3.25rem;
  padding: .5rem .75rem;
  border: 1px solid;
  background: transparent;
  cursor: pointer;
  font: inherit;
  text-align: left;
  word-break: break-word;
}
.chip.selected { outline: 2px solid currentColor; }
.chip.placed   { opacity: .35; cursor: default; }
.chip.locked   { cursor: default; }
.slot {
  display: flex;
  align-items: center;
  min-height: 3.25rem;
  padding: .5rem .75rem;
  border: 1px dashed var(--text-dim);
  background: transparent;
  color: var(--text-2);
  font: inherit;
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.def { display: flex; align-items: center; color: var(--text-2); line-height: 1.4; }
.slot[data-filled="true"] { border-style: solid; }
.slot.right { border-color: var(--green); color: var(--green); }
.slot.wrong { border-color: var(--red); color: var(--red); }
.slot.wrong::after { content: " → " attr(data-correct-term); opacity: .8; }
.def { color: var(--text-2); }

/* Palette per deck (chips inherit color from .palette-* on .deck-root) */
.palette-green  .chip { color: var(--green);  border-color: var(--green);  }
.palette-cyan   .chip { color: var(--cyan);   border-color: var(--cyan);   }
.palette-red    .chip { color: var(--red);    border-color: var(--red);    }
.palette-yellow .chip { color: var(--yellow); border-color: var(--yellow); }
.palette-purple .chip { color: var(--purple); border-color: var(--purple); }
.palette-orange .chip { color: var(--orange); border-color: var(--orange); }
.palette-green  .learn-tile:hover { border-color: var(--green);  }
.palette-cyan   .learn-tile:hover { border-color: var(--cyan);   }
.palette-red    .learn-tile:hover { border-color: var(--red);    }
.palette-yellow .learn-tile:hover { border-color: var(--yellow); }
.palette-purple .learn-tile:hover { border-color: var(--purple); }
.palette-orange .learn-tile:hover { border-color: var(--orange); }

/* Round picker (multi-round decks only) */
.round-picker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0 0 1rem;
  font-size: .9rem;
}
.round-picker-label { color: var(--text-muted); }
.round-picker a {
  padding: .3rem .7rem;
  border: 1px solid var(--border);
  color: var(--text-2);
  text-decoration: none;
  transition: border-color .15s, color .15s;
}
.round-picker a:hover { border-color: var(--purple); color: var(--purple); }
.round-picker a.active { border-color: var(--purple); color: var(--purple); background: rgba(168, 85, 247, 0.08); }

/* Interstitial + footer */
.round-handoff { margin-top: 1rem; text-align: center; color: var(--text-2); }
.round-handoff button {
  margin-top: .5rem;
  padding: .5rem 1rem;
  border: 1px solid currentColor;
  background: transparent;
  color: var(--purple);
  cursor: pointer;
  font: inherit;
}
.deck-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.deck-like { display: inline-flex; align-items: center; gap: .35rem; font-size: 1.05rem; }
.deck-like button {
  padding: .45rem .75rem;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-2);
  cursor: pointer;
  font: inherit;
  font-size: 1.1rem;
  transition: transform .1s, border-color .15s, color .15s;
}
.deck-like button:hover { transform: scale(1.08); border-color: var(--red); color: var(--red); }
.deck-like button.liked { color: var(--red); border-color: var(--red); background: rgba(255, 77, 106, 0.08); }
.deck-like [data-like-count] { color: var(--text-muted); font-family: var(--font-mono); }
.deck-share, .deck-back {
  padding: .45rem .75rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font: inherit;
  text-decoration: none;
}
.deck-share:hover, .deck-back:hover { border-color: var(--purple); color: var(--purple); }
.deck-notes { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--border); color: var(--text-muted); }

@media (max-width: 600px) {
  .match-board { grid-template-columns: 1fr; }
  .match-defs li { grid-template-columns: 1fr; gap: .35rem; }
}