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rgba(0,120,128,.35)}.ipa-list{position:relative;padding-left:.5rem}.ipa-list:before{content:"";position:absolute;left:22px;top:28px;bottom:28px;width:0;border-left:2px dotted rgba(0,168,176,.35)}.ipa-lessonRow{display:flex;gap:.75rem;align-items:flex-start;margin-bottom:1rem;position:relative;z-index:1}.ipa-lessonNum{flex-shrink:0;width:44px;height:44px;border-radius:50%;border:2px solid #00a8b0;background:#fff;color:#00a8b0;font-weight:800;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.06)}.ipa-lessonNum:hover{background:rgba(0,180,188,.12)}.ipa-lessonBody{flex:1 1;min-width:0;background:#d4f5e4;border-radius:16px;padding:.65rem .85rem;box-shadow:0 2px 12px rgba(0,0,0,.06);cursor:pointer;text-align:left;border:1px solid rgba(0,168,176,.2)}.ipa-lessonTitle{font-weight:800;font-size:1rem;margin-bottom:.35rem}.ipa-stepIcons{display:flex;align-items:center;gap:.35rem;font-size:.85rem;color:#7a8b99;margin-bottom:.25rem}.ipa-stepIcons span{width:28px;height:28px;border-radius:50%;border:1px solid #d5dde3;display:grid;place-items:center;background:#fafbfc;font-size:.75rem}.ipa-stepArrow{color:#b0bcc4;font-size:.7rem}.ipa-lessonMeta{font-size:.78rem;color:#00a8b0;font-weight:700}.ipa-detailBar{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin:0 0 1rem;padding:.75rem .85rem;border-radius:16px;background:linear-gradient(180deg,#00c9d2,#0098a0);color:#fff;box-shadow:0 8px 24px rgba(0,120,128,.28)}.ipa-detailBarBtn{flex-shrink:0;width:42px;height:42px;border:none;border-radius:12px;background:hsla(0,0%,100%,.22);color:#fff;font-size:1.2rem;cursor:pointer;display:grid;place-items:center}.ipa-detailBarBtn:hover{background:hsla(0,0%,100%,.32)}.ipa-detailBarTitle{flex:1 1;min-width:0;text-align:center;font-weight:800;font-size:.98rem;line-height:1.35}.ipa-detailBarMeta{flex-shrink:0;display:inline-flex;align-items:center;gap:.2rem}.ipa-detailProgress{font-size:.95rem;color:#2e9d55;font-weight:800}.ipa-detailProgress--onBar{color:#e8ffef;font-weight:900;text-shadow:0 1px 2px rgba(0,0,0,.15)}.ipa-detailWarn{font-size:1rem;line-height:1;filter:drop-shadow(0 1px 1px rgba(0,0,0,.2))}.ipa-card{background:#fff;border-radius:20px;padding:1.1rem 1rem 1.25rem;box-shadow:0 8px 28px rgba(0,0,0,.08);border:2px solid rgba(0,168,176,.12)}.ipa-hint{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem;font-size:.9rem;color:#4a5a68}.ipa-hint--boxed{padding:.6rem .75rem;border-radius:14px;background:#f8fdff;border:2px solid #b8e5ef}.ipa-hintEmoji{font-size:1.5rem}.ipa-hintMic{display:inline-block;padding:.1rem .35rem;border-radius:8px;background:rgba(0,168,176,.12);font-size:1.05rem;vertical-align:middle}.ipa-wordBar{display:flex;justify-content:center;margin-bottom:.5rem}.ipa-wordBar-inner{display:inline-block;width:100%;text-align:center;padding:.65rem 1rem;border-radius:14px;font-size:1.85rem;font-weight:800;color:#0d2f38;background:linear-gradient(180deg,#5ee0e8,#2ecad4);border:2px solid hsla(0,0%,100%,.85);box-shadow:0 4px 0 rgba(0,120,130,.2)}.ipa-sub{text-align:center;color:#7a8b99;font-size:1rem;margin-bottom:.2rem}.ipa-ipaLine{text-align:center;font-size:1.05rem;color:#5c6b78;margin-bottom:1rem;font-family:Lucida Sans Unicode,DejaVu Sans,sans-serif}.ipa-audioRow{display:flex;justify-content:center;gap:.65rem;margin-bottom:1.1rem}.ipa-roundAudio{width:48px;height:48px;border-radius:50%;border:none;background:linear-gradient(180deg,#4cd964,#34c759);color:#fff;font-size:1.15rem;cursor:pointer;box-shadow:0 3px 0 rgba(40,140,60,.35)}.ipa-roundAudio--slow{font-size:.95rem}.ipa-micWrap{display:flex;justify-content:center;margin-bottom:.75rem}.ipa-micBig{width:88px;height:88px;border-radius:50%;border:4px solid rgba(0,180,228,.5);background:linear-gradient(180deg,#7ddfff,#4fc3f7);color:#fff;font-size:2rem;cursor:pointer;box-shadow:0 6px 0 rgba(30,130,180,.35)}.ipa-micBig:disabled{opacity:.55;cursor:not-allowed}.ipa-micBig.recording{animation:ipa-pulse 1.2s ease-in-out infinite;border-color:#ff6b6b;background:linear-gradient(180deg,#ff8a8a,#ff6b6b)}.ipa-status{text-align:center;min-height:1.5rem;font-size:.88rem;color:#5c6b78;margin-bottom:.5rem}.ipa-scoreBox{margin-top:.85rem;padding:.75rem;border-radius:14px;background:#f0fafb;border:1px solid rgba(0,168,176,.25)}.ipa-scoreNum{font-size:1.75rem;font-weight:900;color:#00a8b0;text-align:center}.ipa-scoreMsg{text-align:center;font-weight:700;color:#2c3e50;margin:.35rem 0}.ipa-scoreDetail{font-size:.85rem;color:#5c6b78;margin:0;line-height:1.45}.ipa-navWords{display:flex;justify-content:space-between;align-items:center;margin-top:1rem;gap:.5rem}.ipa-navWords>button[type=button]{flex:0 0 48px;width:48px;height:48px;padding:0;border-radius:12px;border:2px solid #b8e8eb;background:#fff;color:#00a8b0;font-weight:800;cursor:pointer;font-size:1.35rem;line-height:1;display:grid;place-items:center}.ipa-wordDots{flex:1 1;display:flex;align-items:center;justify-content:center;gap:.35rem;flex-wrap:wrap;min-height:44px}.ipa-wordDot{width:10px;height:10px;padding:0;border:none;border-radius:50%;background:#d5dde3;cursor:pointer}.ipa-wordDot--current{background:#00a8b0;transform:scale(1.25)}.ipa-navWords button:disabled{opacity:.35;cursor:not-allowed}@keyframes ipa-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.04)}}@media (min-width:992px){.ipa-route{padding-top:1.5rem}.ipa-inner{max-width:860px}.ipa-hero{padding:1.35rem 1.5rem 1.25rem}.ipa-pageTitle{font-size:2rem}.ipa-pageHint{font-size:1rem}.ipa-lessonNum{width:52px;height:52px;font-size:1.05rem}.ipa-lessonBody{padding:.9rem 1.1rem;border-radius:18px}.ipa-lessonTitle{font-size:1.18rem}.ipa-lessonMeta{font-size:.95rem}.ipa-detailBar{padding:.95rem 1.15rem}.ipa-detailBarTitle{font-size:1.2rem}.ipa-card{padding:1.4rem 1.35rem 1.5rem;border-radius:22px}.ipa-wordBar-inner{font-size:2.35rem;padding:.85rem 1.1rem}.ipa-sub{font-size:1.12rem}.ipa-ipaLine{font-size:1.2rem}}