:root{--ink:#263d3b;--muted:#647675;--green:#237968;--mint:#e5f3eb;--orange:#f4aa5c;--cream:#f6f3ea;--line:#dfe5db;--purple:#795bb4}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Microsoft JhengHei",sans-serif;font-size:18px;line-height:1.6}button,select{font:inherit}button{cursor:pointer;border:0;touch-action:manipulation;color:inherit}button:focus-visible,a:focus-visible,select:focus-visible{outline:4px solid #dc8a3e;outline-offset:4px}button:disabled{cursor:default}button:active:not(:disabled){transform:translateY(2px)}.app{max-width:1040px;margin:auto;padding:22px 28px 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[hidden]{display:none!important}
.topic-panel{margin-top:22px;padding:18px 22px;background:#fffef9;border:1px solid var(--line);border-radius:22px}.topic-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.topic-tabs button{background:#f0f2e9;border:1px solid #d6dfd0;border-radius:25px;padding:8px 15px;min-height:44px;font-size:16px}.topic-tabs button.selected{background:var(--green);color:white;border-color:var(--green)}.mission-stage{font-size:13px;margin-top:12px;color:var(--green)}.stage-pill{display:inline-block;margin-bottom:13px;padding:4px 12px;border-radius:22px;background:#edf3e6;color:var(--green);font-size:14px}.word-parts{display:flex;gap:9px;justify-content:center;margin:18px 0 8px}.word-parts span{padding:4px 14px;border:1px solid var(--line);border-radius:12px;font-size:22px;color:var(--muted)}.word-parts span.current{background:var(--mint);border-color:var(--green);color:var(--green);font-weight:750}.word-parts span.done{background:#fff2cb;color:#886518}.slot.given{border-style:solid;background:#f2f6eb;color:#6a796b}.slot.missing{background:#fff2d4;border-color:#c69538}.lesson-card{border:1px solid #d4dfcb;background:#f2f6e9;border-radius:22px;padding:22px 18px;margin-top:20px}.formula{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin:22px 0 14px}.formula button,.tone-card{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;border-radius:17px;width:66px;min-height:85px;background:#fffef8;border:2px solid #d7e0cd;font-size:36px;box-shadow:0 4px 0 #d9e3ce}.formula small{font-size:13px;color:var(--muted)}.formula button.heard{background:#ffedb8;border-color:#d7b75b}.formula .join{font-size:22px;color:#71816d}.formula .tone-card{background:#eee5f9}.blend-result{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px;font-size:24px;margin:12px 0 18px}.blend-result strong{font-size:35px;color:var(--green)}#lesson-ready{margin-top:18px}.voice-note{font-size:13px;color:#87918a;margin-top:18px}.learning-summary{margin:18px 0}.learning-summary div{display:grid;grid-template-columns:60px 1fr;gap:3px 10px;padding:12px;border-bottom:1px solid var(--line)}.learning-summary small{grid-column:2}.mission{min-height:240px}@media(max-width:650px){.mission{min-height:155px}.mission .arrow{bottom:64px}.mission-stage{font-size:12px;margin-top:8px}.topic-panel{padding:16px}.topic-tabs{gap:6px}.topic-tabs button{font-size:15px;padding:7px 13px}.formula{gap:5px}.formula button,.tone-card{width:56px;min-height:78px;font-size:32px}.formula .join{font-size:18px}.lesson-card{padding:18px 12px}.blend-result{gap:8px;font-size:21px}.blend-result strong{font-size:30px}}
.picture-mission{background:#eaf3fb!important}.detective-mission{background:#fff1d9!important}.mixed-route{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:10px 0 18px}.mixed-route span{border-radius:14px;background:#eeeee4;padding:7px;color:#83907f;display:flex;flex-direction:column;align-items:center}.mixed-route b{font-size:22px;font-weight:500}.mixed-route small{font-size:13px}.mixed-route .current{background:#dceddd;color:var(--green);box-shadow:inset 0 0 0 2px #80ae87}.mixed-route .done{background:#fff0c6;color:#a27622}.picture-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:20px 0}.picture-choice{background:#fffdf5;border:3px solid #e0e5d7;border-radius:24px;min-height:145px;box-shadow:0 5px 0 #e1e5d8;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:12px}.picture-art{display:block;font-size:78px;line-height:1.35}.picture-choice.correct{background:#e4f3df;border-color:#68a775}.picture-choice.wrong{background:#fff0dc;border-color:#e1b677;opacity:.5}.picture-choice.hinted{border-color:#d4ab48;background:#fff5d9}.picture-caption{font-size:22px;font-weight:750}.picture-answer{background:#f0f5e8;border:1px solid #dce6d1;border-radius:20px;padding:18px;margin:16px 0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px}.picture-answer strong{font-size:26px}.picture-answer span:not(.picture-art){font-size:23px}.phonics-choices .choice{font-size:26px;min-height:95px;padding:12px 6px;word-break:keep-all}.case-folder{background:#fff4db;border:1px solid #ead8aa;border-radius:22px;padding:18px 16px;margin:20px 0}.case-heading{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:14px;font-size:17px;color:#795d28}.case-folder p{font-size:16px}.case-evidence{display:flex;justify-content:center;align-items:flex-start;gap:18px;flex-wrap:wrap;margin:22px 0}.evidence-syllable small{font-size:19px;color:#806b3e;margin-bottom:8px}.suspect-row{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.suspect-token{display:inline-flex;align-items:center;justify-content:center;min-width:58px;min-height:75px;font-size:38px;border:2px solid #e0d3b8;border-radius:15px;background:#fffef7;padding:6px 9px;box-shadow:0 3px 0 #e8dfc8}.suspect-token.wrong{border-color:#daba85;opacity:.45}.suspect-token.hinted,.suspect-token.selected{background:#fff0ac;border-color:#c89736}.suspect-token.repaired{background:#dcefd9;border-color:#68a775}.bad-token{font-size:28px;color:#956127}.fix-choices .choice{min-height:105px}.no-tone{font-size:25px}.no-tone small{font-size:15px}.fix-choices small{font-size:15px}@media(max-width:650px){.picture-art{font-size:68px}.picture-choice{min-height:135px}.picture-grid{gap:12px}.case-folder{padding:16px 12px}.suspect-token{min-width:48px;min-height:66px;font-size:32px;padding:5px 7px}.suspect-row{gap:6px}.case-evidence{gap:16px}.case-heading{font-size:15px}.phonics-choices .choice{font-size:23px;padding:12px 4px}.mixed-route{gap:5px}.mixed-route span{padding:6px 3px}}
.mission[data-mode="listen"]{background:#e9f3e3}.mission[data-mode="spell"]{background:#f0edf9}.mission[data-mode="tone"]{background:#fceee2}