/* எதிர்ச்சொல், பால், எண் — Opposites, gender & number games (js/views/pairs.js) */
.pairs-home, .pairs-game { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; min-width: 0; }

/* Book (grade) picker */
.pairs-grades { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.pairs-grades-label { font-weight: 700; color: var(--ink-2); margin-right: 2px; }
.pairs-grades .pp-toggle, .pairs-bar .pp-toggle { min-height: 44px; }
.pairs-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; }

/* Home: the four sets */
.pairs-sets { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 420px), 1fr)); }
.pairs-set { height: 100%; display: grid; gap: 14px; align-content: start; padding: 18px; border-radius: var(--r-lg); border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--h1, var(--leaf-soft)), var(--surface) 65%); box-shadow: var(--shadow-1); }
.pairs-set-top { display: flex; gap: 14px; align-items: flex-start; min-width: 0; }
.pairs-set-emoji { font-size: 2.3rem; line-height: 1; }
.pairs-set-text { min-width: 0; display: grid; gap: 2px; }
.pairs-set-text h2 { margin: 0; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 1.3rem; }
.pairs-set-text h2 .ml { color: var(--hi, var(--leaf)); font-family: var(--f-display); }
.pairs-set-text .en { margin: 0; font-weight: 700; color: var(--ink-2); }
.pairs-set-meta { margin: 0; font-size: .88rem; color: var(--ink-2); overflow-wrap: anywhere; }
.pairs-modes { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 150px), 1fr)); }
.pairs-mode { position: relative; height: 100%; display: flex; align-items: center; gap: 8px; min-height: 56px; padding: 8px 10px; border-radius: 16px; border: 2px solid var(--line);
  background: var(--surface); color: var(--ink); text-decoration: none; }
.pairs-mode:hover { border-color: var(--hi, var(--peacock)); }
.pairs-mode > .icon { width: 22px; height: 22px; flex: none; color: var(--hi, var(--peacock)); }
.pairs-mode-text { display: grid; line-height: 1.2; min-width: 0; }
.pairs-mode-text .ml { font: 700 .98rem/1.3 var(--f-display); }
.pairs-mode-text .en { font-size: .8rem; color: var(--ink-2); }
.pairs-mode.is-done { border-color: var(--leaf); }
.pairs-done { position: absolute; top: -8px; right: -6px; }
.pairs-done .icon { width: 22px; height: 22px; padding: 3px; border-radius: 50%; background: var(--leaf); color: #fff; stroke-width: 3; }

/* Game page */
.pairs-tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.pairs-tab { flex: 1 0 auto; display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 48px; padding: 6px 14px; border-radius: var(--r-pill);
  border: 2px solid var(--line); background: var(--surface); color: var(--ink-2); text-decoration: none; font-weight: 600; white-space: nowrap; }
.pairs-tab .icon { width: 18px; height: 18px; }
.pairs-tab .ml { font-family: var(--f-display); }
.pairs-tab .en { font-size: .82rem; }
.pairs-tab[aria-current="page"] { background: var(--peacock); border-color: var(--peacock); color: var(--on-peacock); }
@media (max-width: 560px) { .pairs-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: visible; } .pairs-tab .en { display: none; } .pairs-tab { padding: 6px 10px; } }

.pairs-rules { border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--line); padding: 0 16px; }
.pairs-rules summary { cursor: pointer; min-height: 48px; display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); }
.pairs-rules summary .icon { width: 20px; height: 20px; color: var(--zari-deep); }
.pairs-rules summary .ml { font-family: var(--f-display); color: var(--hi, var(--kumkum)); }
.pairs-rules ul { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 10px; }
.pairs-rules li { padding: 10px 12px; border-radius: 14px; background: var(--surface-2); display: grid; gap: 4px; justify-items: start; }
.pairs-rules p { margin: 0; }
.pairs-rule-ml { font-size: 1.02rem; line-height: 1.6; }
.pairs-rule-en { color: var(--ink-2); font-size: .92rem; }
.pairs-src { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 4px; font-size: .82rem; color: var(--ink-3); }
.pairs-src .icon { width: 16px; height: 16px; }
.pairs-src a { color: var(--peacock); font-weight: 600; }

/* English glosses can be switched off */
.pairs-game:not(.show-en) :is(.pairs-half-en, .pm-en, .mm-en, .pq-hint, .pq-en, .pairs-row-en) { display: none; }

/* Learn */
.pairs-learn { display: grid; gap: 14px; justify-items: center; }
.pairs-card { width: min(100%, 640px); display: grid; gap: 12px; justify-items: center; padding: 20px; border-radius: 28px;
  background: linear-gradient(160deg, var(--zari-soft), var(--surface) 70%); box-shadow: 0 6px 0 var(--zari), var(--shadow-2); }
.pairs-card-row { width: 100%; display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: stretch; gap: 10px; }
.pairs-half { position: relative; display: grid; gap: 4px; align-content: center; justify-items: center; text-align: center; min-height: 150px; padding: 14px 10px 18px;
  border-radius: 20px; border: 2px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; transition: transform .2s var(--spring), border-color .2s; }
.pairs-half:hover { border-color: var(--peacock); transform: translateY(-2px); }
.pairs-half-side { font-size: .78rem; color: var(--ink-3); font-weight: 600; }
.pairs-half-side .ml { font-family: var(--f-display); }
.pairs-half-ml { font: 800 clamp(1.45rem, 1.1rem + 2vw, 2.4rem)/1.25 var(--f-display); color: var(--kumkum); overflow-wrap: anywhere; }
.pairs-half:last-child .pairs-half-ml { color: var(--peacock-deep); }
.pairs-half-en { font-weight: 600; color: var(--ink-2); font-size: .92rem; }
.pairs-half-say { position: absolute; bottom: 6px; right: 8px; color: var(--marigold-deep); }
.pairs-half-say .icon { width: 18px; height: 18px; }
.pairs-arrow { align-self: center; font: 800 1.6rem var(--f-ui); color: var(--zari-deep); }
.pairs-card-rule { margin: 0; text-align: center; color: var(--ink-2); font-size: .92rem; }
.pairs-card .pp-note { width: 100%; }
.pairs-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.pairs-all { width: min(100%, 760px); }
.pairs-all summary { cursor: pointer; font-weight: 600; color: var(--peacock); min-height: 44px; display: flex; align-items: center; }
.pairs-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); }
.pairs-row { width: 100%; min-height: 48px; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; padding: 8px 12px; border-radius: 14px; border: 2px solid var(--line);
  background: var(--surface-2); color: var(--ink); text-align: left; cursor: pointer; }
.pairs-row:hover { border-color: var(--peacock); }
.pairs-row .ml { font: 700 1.05rem var(--f-display); }
.pairs-row .pairs-arrow { font-size: 1rem; }
.pairs-row-en { flex-basis: 100%; font-size: .78rem; color: var(--ink-2); }
.pairs-learn-done { margin-top: 4px; }
@media (max-width: 420px) { .pairs-card { padding: 14px; } .pairs-half { min-height: 128px; padding: 12px 6px 18px; } .pairs-card-row { gap: 6px; } .pairs-arrow { font-size: 1.2rem; } }

/* Match */
.pairs-match, .pairs-quiz, .pairs-memory { display: grid; gap: 12px; }
.pm-help { margin: 0; text-align: center; color: var(--ink-2); }
.pm-board { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; max-width: 720px; width: 100%; justify-self: center; }
.pm-col { display: grid; gap: 10px; align-content: start; min-width: 0; }
.pm-head { margin: 0; text-align: center; font-weight: 700; color: var(--ink-2); }
.pm-head .ml { font-family: var(--f-display); color: var(--hi, var(--kumkum)); }
.pm-head .en { font-size: .8rem; }
.pm-tile { position: relative; display: grid; gap: 2px; justify-items: center; align-content: center; text-align: center; min-height: 64px; padding: 8px 10px; border-radius: 18px;
  border: 3px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; touch-action: none; user-select: none; -webkit-user-select: none;
  box-shadow: 0 4px 0 var(--line-2); transition: transform .15s var(--spring), border-color .15s; }
.pm-tile:hover:not(:disabled) { border-color: var(--peacock); transform: translateY(-2px); }
.pm-tile[aria-pressed="true"] { border-color: var(--peacock); background: var(--peacock-soft); box-shadow: 0 4px 0 var(--peacock); }
.pm-tile.is-matched { border-color: var(--leaf); background: var(--leaf-soft); box-shadow: none; cursor: default; }
.pm-tile.is-lifted { opacity: .4; }
.pm-tile.shake { animation: shake .4s; }
.pm-tile .match-mark { top: 50%; right: 6px; translate: 0 -50%; }
.pm-tile .match-mark .icon { width: 22px; height: 22px; }
.pm-ml { font: 700 clamp(1.05rem, .95rem + .8vw, 1.35rem)/1.3 var(--f-display); overflow-wrap: anywhere; }
.pm-en { font-size: .78rem; color: var(--ink-2); }
.pm-ghost { position: fixed; z-index: 99; pointer-events: none; transform: translate(-50%, -70%) rotate(-3deg); padding: 10px 16px; border-radius: 16px; background: var(--surface);
  border: 3px solid var(--peacock); box-shadow: 0 16px 30px rgba(0,0,0,.2); font: 700 1.3rem var(--f-display); color: var(--ink); }
.pm-between { display: grid; gap: 14px; justify-items: center; padding: 20px; }

/* Quiz */
.pq-q { display: grid; gap: 4px; justify-items: center; text-align: center; padding: 16px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--line); }
.pq-q p { margin: 0; }
.pq-ask .ml { font: 700 1.1rem var(--f-display); color: var(--ink-2); }
.pq-ask .en { display: block; font-size: .88rem; color: var(--ink-3); }
.pq-word { display: flex; align-items: center; gap: 8px; }
.pq-word .ml { font: 800 clamp(1.8rem, 1.4rem + 2vw, 2.6rem)/1.3 var(--f-display); color: var(--kumkum); overflow-wrap: anywhere; }
.pq-hint { color: var(--ink-2); }
.pq-after { display: grid; gap: 8px; justify-items: center; text-align: center; }
.pq-after:empty { display: none; }
.pq-pair { margin: 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px; }
.pq-pair .ml { font: 700 1.3rem var(--f-display); }
.pq-en { margin: 0; color: var(--ink-2); }

/* Memory */
.mm-grid { display: grid; gap: 10px; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 720px; width: 100%; justify-self: center; }
@media (min-width: 640px) { .mm-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.mm-card { position: relative; min-height: 104px; padding: 8px 6px; border-radius: 18px; border: 3px solid var(--zari); cursor: pointer; color: var(--ink);
  background: repeating-linear-gradient(45deg, var(--zari-soft) 0 10px, var(--surface) 10px 20px); display: grid; place-items: center; text-align: center; transition: transform .25s var(--spring); }
.mm-card:hover:not(:disabled) { transform: translateY(-2px); }
.mm-back { font: 800 2rem var(--f-display); color: var(--zari-deep); }
.mm-card.is-open { background: var(--surface); border-color: var(--peacock); }
.mm-card.is-open .mm-back { display: none; }
.mm-face { display: grid; gap: 2px; justify-items: center; min-width: 0; }
.mm-face:empty { display: none; }
.mm-side { font-size: .72rem; color: var(--ink-3); }
.mm-side .ml { font-family: var(--f-display); }
.mm-ml { font: 700 clamp(1rem, .9rem + .7vw, 1.3rem)/1.3 var(--f-display); overflow-wrap: anywhere; }
.mm-en { font-size: .75rem; color: var(--ink-2); }
.mm-card.is-matched { border-color: var(--leaf); background: var(--leaf-soft); cursor: default; }
.mm-card .match-mark { top: 4px; right: 4px; }
.mm-card .match-mark .icon { width: 20px; height: 20px; padding: 3px; }

:root[data-contrast="high"] .pm-tile, :root[data-contrast="high"] .mm-card, :root[data-contrast="high"] .pairs-half, :root[data-contrast="high"] .pairs-mode { border-color: var(--ink-2); }
:root[data-contrast="high"] .mm-card:not(.is-open) { background: var(--surface-2); }
@media (max-width: 480px) { .pairs-mode { gap: 6px; padding: 8px; } .pairs-mode > .icon { width: 18px; height: 18px; } .pairs-mode-text .ml { font-size: .88rem; } .pairs-set { padding: 14px; } }
/* in the games the English appears once a pair is found, so it can't give the answer away */
.pm-tile:not(.is-matched) .pm-en, .mm-card:not(.is-matched) .mm-en { display: none; }
.pairs-rules summary { flex-wrap: wrap; }
.pm-board { user-select: none; -webkit-user-select: none; }
.pairs-tab[aria-current="page"] .en { color: inherit; }