/* WordFormula5 · enhancements.css — load after styles.css. Reuses the existing tokens (--teal, --aqua, --line …). */
.wf-mini{padding:6px 12px;font-size:13px;border-radius:10px}
.wf-chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.wf-chips .pill{font-size:14px;color:var(--navy);background:#f1f6f8}
.wf-targets .pill{font-size:18px;padding:8px 16px;background:var(--aqua);color:#066d77}
.wf-audio-missing{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:1px dashed #c9d3da;border-radius:14px;color:var(--muted);font-size:14px;font-weight:600}
.wf-audio-missing .icon{width:20px;height:20px;opacity:.6}

/* explore */
.wf-explore .word-info{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.wf-explore .word-info .wf-mini{margin-left:auto}
.wf-word{overflow-wrap:anywhere;word-break:break-word}
.wf-word mark,.wf-pattern mark,.wf-diff mark{background:#ffe48a;color:var(--navy);border-radius:6px;padding:0 2px}
.wf-letter-cards,.wf-formula-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:18px 0}
.wf-card{border:1px solid var(--line);border-radius:18px;padding:18px;background:#fff;display:flex;flex-direction:column;gap:6px;min-width:0}
.wf-card img{width:100%;max-height:150px;object-fit:contain;border-radius:12px;background:#fafbf8}
.wf-card p{margin:2px 0}
.wf-letter-glyph{font-size:44px;font-weight:900;letter-spacing:4px;color:var(--teal)}
.wf-pattern{font-size:26px;font-weight:800;letter-spacing:1px;color:var(--navy);overflow-wrap:anywhere}
.wf-sound .row{gap:10px;flex-wrap:wrap}
.wf-pron{font-size:20px;font-weight:700;color:var(--navy)}
.wf-syllables{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.wf-syllables span{background:var(--cream);border:1px solid #f1e8ce;border-radius:10px;padding:6px 12px;font-weight:800;font-size:18px}
.wf-check{background:var(--cream);border-radius:18px;padding:18px}

/* connect */
.wf-layer{border-top:1px solid var(--line);margin-top:18px;padding-top:14px}
.wf-layer .memory-connection{margin-top:6px}

/* lesson / map */
.wf-lesson h2{margin-top:16px}
.wf-size-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:14px 0}
.wf-after{margin-top:22px;padding:18px;border-radius:18px;background:linear-gradient(130deg,#effafa,#e2f5f4)}
.wf-expression{font-size:20px;font-weight:700;color:var(--navy)}
.wf-context{background:#fff;border:1px solid #d6ecec;border-radius:14px;padding:14px 16px;margin:10px 0;color:var(--navy);font-weight:600}
.wf-cue{background:var(--cream);border-radius:12px;padding:10px 14px;display:inline-flex;gap:8px;align-items:center}
.wf-next-lesson{display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.wf-next-lesson>div{min-width:0;flex:1}
.wf-part,.wf-unit{border:1px solid var(--line);border-radius:16px;margin:10px 0;background:#fff}
.wf-part>summary,.wf-unit>summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 18px;font-weight:700}
.wf-part>summary::-webkit-details-marker,.wf-unit>summary::-webkit-details-marker{display:none}
.wf-part>summary::before,.wf-unit>summary::before{content:'▸';color:var(--teal);transition:transform .15s}
.wf-part[open]>summary::before,.wf-unit[open]>summary::before{transform:rotate(90deg)}
.wf-part>summary progress{flex:1;min-width:120px;max-width:240px}
.wf-node-title{font-size:17px}
.wf-unit{margin:8px 14px;background:#fbfcfc}
.wf-lessons{padding:0 14px 14px}
.wf-lesson-card h3{overflow-wrap:anywhere}

/* setup */
.wf-radio{display:flex;align-items:center;gap:10px;margin:8px 0;font-weight:600}
.wf-setup-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:10px 0}
.wf-setup-row label{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

/* drill / quiz */
.wf-audio-gate{display:flex;flex-direction:column;align-items:center;gap:6px;margin:12px 0}
.wf-audio-pair .wf-pair-note,.wf-review-note{max-width:44ch;text-align:center;color:var(--muted,#5b6b7a);margin:0}
.wf-review-note{text-align:left;margin:-4px 0 8px}
#connect-d1{white-space:normal;text-align:left}
.wf-tech{margin:12px 0}
.wf-more-modes{margin-top:10px}
.wf-more-modes summary{cursor:pointer}
.wf-feedback .row{margin:8px 0}
.wf-diff{font-size:26px;font-weight:800;letter-spacing:2px}
.wf-pending{border-top:1px solid var(--line);padding:10px 0}
.wf-transfer{text-align:center}
.wf-stat4{grid-template-columns:repeat(4,1fr)}
.answer-input:disabled{background:#f2f4f5}

/* games */
.wf-game-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.wf-game-grid button{text-align:left}
.wf-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0}
.wf-choices button{display:flex;flex-direction:column;align-items:center;gap:8px;min-height:96px;font-size:20px;overflow-wrap:anywhere}
.wf-choices .key,.game-options .key{font-size:12px;color:var(--muted);background:#edf3f7;border-radius:8px;padding:2px 8px}
.wf-right{border:2px solid var(--teal)!important;background:#effafa!important}
.wf-wrong{border:2px solid #d9822b!important;background:#fff4e8!important}
.wf-reveal{display:block;font-size:13px;color:var(--muted);margin-top:4px}
.wf-negative mark{background:#ffd6c2;color:#8a2c00;border-radius:6px;padding:0 4px}
.wf-game-prompt{font-size:28px;font-weight:800;text-align:center;color:var(--navy)}
.wf-game-prompt-img{display:block;max-width:260px;width:60%;margin:10px auto;border-radius:16px}
.wf-tile-answer{min-height:52px;font-size:32px;font-weight:800;letter-spacing:4px;text-align:center;border-bottom:2px solid var(--line);margin:10px auto;max-width:420px}
.wf-game{position:relative;overflow:hidden}
.wf-rain{position:absolute;inset:0;pointer-events:none;z-index:0}
.wf-rain i{position:absolute;top:-40px;font-style:normal;font-weight:900;font-size:22px;color:#21adb455;animation:wf-fall 6s linear infinite}
.wf-game>*:not(.wf-rain){position:relative;z-index:1}
@keyframes wf-fall{to{transform:translateY(900px)}}
.wf-reduced-motion .wf-rain{display:none}
@media (prefers-reduced-motion:reduce){.wf-rain{display:none}.wf-part>summary::before,.wf-unit>summary::before{transition:none}}

@media (max-width:960px){
 .wf-stat4{grid-template-columns:repeat(2,1fr)}
 .wf-choices{grid-template-columns:1fr}
 .wf-choices button{min-height:64px;flex-direction:row;justify-content:flex-start}
 .wf-letter-glyph{font-size:36px}
 .wf-unit{margin:8px}
}
@media (max-width:560px){
 .wf-letter-cards,.wf-formula-list{grid-template-columns:1fr}
 .wf-part>summary{padding:12px}
 .wf-pattern{font-size:22px}
}