@import"https://fonts.googleapis.com/css2?family=Baloo+2:wght@600;700;800&family=Nunito:wght@500;700&display=swap";body{margin:0;min-width:320px;min-height:100vh;font-family:Nunito,Avenir Next,Segoe UI,sans-serif;background:radial-gradient(circle at 18% 10%,rgb(255 197 136 / 26%),transparent 32%),radial-gradient(circle at 92% 12%,rgb(67 220 219 / 22%),transparent 35%),linear-gradient(180deg,#fff8ef,#f7fbff 45%,#f2f7ff);color:#172126;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.challenge-library{min-height:100vh;padding:1.2rem 1rem 80px;background:#0f1835;color:#fff}.challenge-library-header{text-align:center;margin-bottom:1.2rem}.challenge-library-title{margin:0;font-family:"Baloo 2",Nunito,sans-serif;font-size:clamp(1.6rem,5vw,2.4rem);letter-spacing:.01em}.challenge-library-progress{margin:.3rem 0 0;font-family:Nunito,sans-serif;font-size:clamp(.85rem,2vw,1rem);color:#ebf1ffb8}.challenge-list{display:flex;flex-direction:column;gap:.9rem;max-width:600px;margin:0 auto}.challenge-card{display:flex;align-items:center;gap:.9rem;border:2px solid rgb(255 255 255 / 18%);border-radius:22px;padding:.9rem 1rem;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#ffffff0f;transition:transform .12s ease,border-color .12s ease}.challenge-card:hover{transform:translateY(-1px);border-color:#ffffff4d}.challenge-card--completed{border-color:#43e7dd66}.challenge-card-emoji{font-size:2.4rem;line-height:1;flex-shrink:0}.challenge-card-info{flex:1;min-width:0}.challenge-card-title{margin:0;font-family:"Baloo 2",Nunito,sans-serif;font-size:clamp(1rem,2.6vw,1.2rem);line-height:1.2}.challenge-card-subtitle{margin:.15rem 0 0;font-family:Nunito,sans-serif;font-size:clamp(.78rem,1.8vw,.88rem);color:#ebf1ffad;line-height:1.3}.challenge-card-meta{display:flex;gap:.5rem;margin-top:.35rem;font-family:Nunito,sans-serif;font-size:.72rem;font-weight:700}.challenge-badge{display:inline-block;border-radius:999px;padding:.12rem .5rem;letter-spacing:.03em;text-transform:uppercase}.challenge-badge--easy{background:#43e7dd38;color:#43e7dd}.challenge-badge--medium{background:#ffb76638;color:#ffb766}.challenge-badge--time{background:#ffffff1a;color:#ebf1ffb8}.challenge-badge--progress{background:#a493ff38;color:#a493ff}.challenge-card-check{font-size:1.4rem;flex-shrink:0;color:#43e7dd}.challenge-detail{min-height:100vh;padding:1rem 1rem 80px;background:#0f1835;color:#fff;max-width:600px;margin:0 auto}.challenge-detail-back{border:0;background:none;color:#ebf1ffb8;font-family:Nunito,sans-serif;font-size:.9rem;cursor:pointer;padding:.3rem 0;margin-bottom:.6rem;display:inline-flex;align-items:center;gap:.3rem}.challenge-detail-back:hover{color:#fff}.challenge-detail-header{text-align:center;margin-bottom:1rem}.challenge-detail-emoji{font-size:3rem;line-height:1}.challenge-detail-title{margin:.3rem 0 0;font-family:"Baloo 2",Nunito,sans-serif;font-size:clamp(1.4rem,4vw,2rem)}.challenge-detail-subtitle{margin:.2rem 0 0;font-family:Nunito,sans-serif;font-size:clamp(.88rem,2vw,1rem);color:#ebf1ffb8}.materials-section{margin-top:1rem}.materials-heading{margin:0 0 .6rem;font-family:"Baloo 2",Nunito,sans-serif;font-size:1.1rem;color:#b8fff4}.materials-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.4rem}.material-item{display:flex;align-items:center;gap:.6rem;border:1px solid rgb(255 255 255 / 14%);border-radius:14px;padding:.55rem .7rem;cursor:pointer;background:#ffffff0a;transition:background .12s ease,border-color .12s ease;font-family:Nunito,sans-serif;font-size:.92rem}.material-item:hover{background:#ffffff14}.material-item--checked{border-color:#43e7dd5c;background:#43e7dd14}.material-check{width:22px;height:22px;border-radius:6px;border:2px solid rgb(255 255 255 / 30%);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:.8rem;transition:border-color .12s ease,background .12s ease}.material-item--checked .material-check{border-color:#43e7dd;background:#43e7dd33;color:#43e7dd}.material-icon{font-size:1.2rem;flex-shrink:0}.material-name{flex:1}.material-note{font-size:.78rem;color:#ebf1ff8f}.materials-ready-btn{display:block;width:100%;margin-top:.8rem;border:0;border-radius:999px;padding:.7rem 1.2rem;font-family:"Baloo 2",Nunito,sans-serif;font-size:1rem;font-weight:700;color:#fff;background:linear-gradient(180deg,#36d7cb,#1aa89f);box-shadow:0 10px 24px #16b3ab66;cursor:pointer;transition:transform .12s ease,opacity .12s ease}.materials-ready-btn:hover:not(:disabled){transform:translateY(-1px)}.materials-ready-btn:disabled{opacity:.5;cursor:not-allowed}.step-progress{display:flex;align-items:center;gap:.35rem;justify-content:center;margin-bottom:.8rem}.step-dot{width:10px;height:10px;border-radius:50%;background:#ffffff2e;transition:background .2s ease}.step-dot--completed{background:#43e7dd}.step-dot--current{background:#ffb766;box-shadow:0 0 8px #ffb7667f}.step-card{border:2px solid rgb(255 255 255 / 18%);border-radius:22px;padding:clamp(1rem,2.4vw,1.4rem);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:radial-gradient(circle at 10% 0%,rgb(67 231 221 / 10%),transparent 40%),#0f183599}.step-number{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem;font-family:"Baloo 2",Nunito,sans-serif;font-size:clamp(1rem,2.4vw,1.2rem);color:#b8fff4}.step-number-icon{font-size:1.4rem}.step-instruction{margin:0;font-family:Nunito,sans-serif;font-size:clamp(1rem,2.4vw,1.15rem);line-height:1.5}.step-detail{margin:.4rem 0 0;font-family:Nunito,sans-serif;font-size:clamp(.85rem,1.8vw,.95rem);color:#ebf1ffb8;line-height:1.5}.step-safety{margin:.6rem 0 0;border-radius:12px;padding:.45rem .65rem;background:#ffb76624;border:1px solid rgb(255 183 102 / 30%);font-family:Nunito,sans-serif;font-size:.85rem;color:#ffd8a2}.step-actions{display:flex;gap:.5rem;margin-top:1rem}.step-done-btn{flex:1;border:0;border-radius:999px;padding:.65rem 1rem;font-family:"Baloo 2",Nunito,sans-serif;font-size:.95rem;font-weight:700;color:#fff;background:linear-gradient(180deg,#36d7cb,#1aa89f);box-shadow:0 8px 20px #16b3ab59;cursor:pointer;transition:transform .12s ease}.step-done-btn:hover{transform:translateY(-1px)}.step-ask-nova-btn{border:2px solid rgb(164 147 255 / 40%);border-radius:999px;padding:.65rem 1rem;font-family:Nunito,sans-serif;font-size:.88rem;font-weight:700;color:#a493ff;background:#a493ff1a;cursor:pointer;transition:background .12s ease}.step-ask-nova-btn:hover{background:#a493ff2e}.step-nav{display:flex;justify-content:center;margin-top:.6rem}.step-nav-back{border:0;background:none;color:#ebf1ff8f;font-family:Nunito,sans-serif;font-size:.82rem;cursor:pointer;padding:.3rem 0}.step-nav-back:hover{color:#fff}.completion{text-align:center;padding:1rem 0}.completion-star{font-size:3.5rem;line-height:1;animation:starPop .5s ease-out}@keyframes starPop{0%{transform:scale(.3);opacity:0}60%{transform:scale(1.15);opacity:1}to{transform:scale(1)}}.completion-title{margin:.5rem 0 0;font-family:"Baloo 2",Nunito,sans-serif;font-size:clamp(1.5rem,4vw,2rem);color:#b8fff4}.completion-concept{margin-top:1rem;border:2px solid rgb(67 231 221 / 24%);border-radius:18px;padding:.9rem 1rem;text-align:left;background:#43e7dd0f}.completion-concept-title{margin:0;font-family:"Baloo 2",Nunito,sans-serif;font-size:1.05rem;color:#43e7dd}.completion-concept-text{margin:.3rem 0 0;font-family:Nunito,sans-serif;font-size:.92rem;line-height:1.5;color:#ebf1ffd9}.completion-fun-fact{margin:.6rem 0 0;font-family:Nunito,sans-serif;font-size:.85rem;color:#ffd8a2;font-style:italic}.completion-actions{display:flex;gap:.6rem;justify-content:center;margin-top:1.2rem}.completion-btn{border:0;border-radius:999px;padding:.6rem 1.2rem;font-family:"Baloo 2",Nunito,sans-serif;font-size:.92rem;font-weight:700;cursor:pointer;transition:transform .12s ease}.completion-btn:hover{transform:translateY(-1px)}.completion-btn--primary{color:#fff;background:linear-gradient(180deg,#36d7cb,#1aa89f);box-shadow:0 8px 20px #16b3ab59}.completion-btn--secondary{color:#ebf1ffcc;background:#ffffff1a;border:1px solid rgb(255 255 255 / 20%)}.app-view{display:none}.app-view--visible{display:contents}.voice-stage{position:relative;min-height:100vh;width:100%;overflow:hidden;display:grid;place-items:center;padding-bottom:64px}.stage-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.02)}.stage-dim{position:absolute;inset:0;background:radial-gradient(circle at 22% 18%,rgb(74 244 222 / 28%),transparent 35%),radial-gradient(circle at 80% 13%,rgb(255 183 102 / 28%),transparent 30%),linear-gradient(180deg,#17122e94,#141e3ab3)}.wave{position:absolute;width:170%;height:44%;left:-35%;border-radius:44% 56% 41% 59%;filter:blur(.4px)}.wave-a{bottom:-22%;background:linear-gradient(180deg,#3eecd85c,#2399bb7a);animation:waveMoveA 14s ease-in-out infinite}.wave-b{bottom:-24%;background:linear-gradient(180deg,#ffb77640,#ff8c5f59);animation:waveMoveB 16s ease-in-out infinite}.wave-c{bottom:-28%;background:linear-gradient(180deg,#a493ff33,#606fd64d);animation:waveMoveC 20s ease-in-out infinite}.voice-card{position:relative;z-index:2;width:min(760px,calc(100% - 2rem));border:2px solid rgb(255 255 255 / 28%);border-radius:28px;padding:clamp(1.1rem,2.4vw,1.7rem);text-align:center;color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:radial-gradient(circle at 10% 0%,rgb(67 231 221 / 22%),transparent 35%),radial-gradient(circle at 90% 0%,rgb(255 176 103 / 23%),transparent 37%),#0f183585;box-shadow:0 20px 60px #070a1d6b,inset 0 1px #ffffff38}.voice-card h1{margin:0;font-family:"Baloo 2",Nunito,sans-serif;font-size:clamp(2.4rem,7.6vw,5.2rem);line-height:.96;letter-spacing:.01em;text-shadow:0 8px 26px rgb(8 18 44 / 45%)}.phase-text{margin:.6rem 0 0;font-family:"Baloo 2",Nunito,sans-serif;font-size:clamp(1.25rem,3.2vw,1.8rem);color:#b8fff4}.status-line{margin:.5rem auto 0;color:#ebf1ffeb;max-width:40rem;font-size:clamp(.95rem,2vw,1.1rem)}.caption{margin:.7rem auto 0;max-width:44rem;border:1px solid rgb(255 255 255 / 24%);border-radius:15px;padding:.54rem .72rem;font-size:clamp(.9rem,1.8vw,1rem);background:#ffffff1a}.caption-heard{color:#edfffb}.caption-nova{color:#ffe9cd}.voice-toggle{margin-top:1rem;border:0;border-radius:999px;padding:.76rem 1.3rem;min-width:210px;font-family:"Baloo 2",Nunito,sans-serif;font-size:1.08rem;font-weight:700;color:#fff;background:linear-gradient(180deg,#36d7cb,#1aa89f);box-shadow:0 12px 28px #16b3ab73;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}.voice-toggle:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 14px 30px #16b3ab85}.voice-toggle:disabled{opacity:.72;cursor:not-allowed}.mode-speaking .phase-text{color:#ffd8a2}.mode-error .phase-text{color:#ffc2cf}@keyframes waveMoveA{0%,to{transform:translate(0) translateY(0) rotate(0)}50%{transform:translate(4%) translateY(-16px) rotate(2deg)}}@keyframes waveMoveB{0%,to{transform:translate(0) translateY(0) rotate(0)}50%{transform:translate(-3%) translateY(-11px) rotate(-2deg)}}@keyframes waveMoveC{0%,to{transform:translate(0) translateY(0) rotate(0)}50%{transform:translate(3%) translateY(-8px) rotate(1deg)}}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:100;display:flex;height:64px;border-top:1px solid rgb(255 255 255 / 16%);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0f1835d1;padding-bottom:env(safe-area-inset-bottom,0px)}.bottom-nav-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:0;background:none;color:#ebf1ff85;cursor:pointer;transition:color .12s ease;font-family:Nunito,sans-serif}.bottom-nav-tab--active{color:#43e7dd}.bottom-nav-icon{font-size:1.3rem;line-height:1}.bottom-nav-label{font-size:.72rem;font-weight:700;letter-spacing:.02em}.challenges-placeholder{min-height:100vh;padding-bottom:64px;display:grid;place-items:center;color:#ebf1ffb8;font-family:Nunito,sans-serif;font-size:1.2rem;background:#0f1835}@media(max-width:760px){.voice-card{width:calc(100% - 1.2rem);border-radius:22px;padding:.95rem .82rem 1rem}.voice-toggle{width:100%}}