.activity-dialog{--activity-accent:#aa3146;--activity-dark:#542535;--activity-surface:#fff5ee;width:min(100vw,700px);max-width:100vw;height:100dvh;max-height:100dvh;margin:0 auto;border:0;border-radius:0;padding:0;background:linear-gradient(145deg,#ffc582,#fa717a 50%,#a53968);color:var(--activity-dark);overflow:auto;overscroll-behavior:contain}.activity-dialog::backdrop{background:#182430bf}:root[data-system=traditional] .activity-dialog{--activity-accent:#2478aa;--activity-dark:#143e5b;--activity-surface:#eefaff;background:linear-gradient(145deg,#b2efe3,#5baacc 50%,#6962ae)}.activity-top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 14px;padding-top:max(10px,env(safe-area-inset-top));background:#fff5eef2;box-shadow:0 3px 12px #47193220;color:var(--activity-dark)}.activity-top button{width:44px;min-height:44px;border:0;border-radius:15px;color:var(--activity-dark);background:#ffe2c2;font-size:24px}.activity-top span{font-size:13px;font-weight:800}.activity-main{padding:20px 18px max(30px,env(safe-area-inset-bottom));min-height:85dvh}.activity-main h1{font-size:30px;line-height:1.15;margin:10px 0 20px}.activity-main p{font-size:16px;line-height:1.6}.activity-main small{font-size:12px;line-height:1.5}.activity-main button{min-height:44px;border:0;padding:12px 16px;border-radius:16px;background:var(--activity-surface);color:var(--activity-dark);font-weight:750;box-shadow:0 4px 0 #53233735;font-size:16px;margin:5px 0}.activity-main button:disabled{opacity:.55;box-shadow:none}.activity-main button.activity-primary{background:var(--activity-accent);color:#fff;width:100%;min-height:50px}.activity-hero{position:relative;min-height:210px;padding:22px;border-radius:25px;background:linear-gradient(130deg,#432e5df5,#1c4b70e8);color:#fff;box-shadow:0 10px 20px #5e28443b}.activity-hero h1{font-size:32px;width:70%;color:#ffe8a2}.activity-hero p{max-width:70%;font-size:14px}.activity-hero img{position:absolute;right:0;bottom:0;width:34%;max-height:200px;object-fit:contain}.activity-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}.activity-grid button{display:flex;flex-direction:column;align-items:flex-start;text-align:left;padding:16px;gap:8px;background:linear-gradient(140deg,#fff5e8,#ffd698);border:1px solid #fff7b9}.activity-grid button:nth-child(3n+2){background:linear-gradient(140deg,#eaddff,#cba8ea)}.activity-grid button:nth-child(3n){background:linear-gradient(140deg,#cef9e9,#80d0b6)}.activity-grid i{font-size:30px;font-style:normal}.activity-grid b{font-size:18px;line-height:1.25}.activity-grid span{font-size:13px;line-height:1.4}.activity-tone-options{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:15px 0}.activity-tone-options button{display:flex;align-items:center;flex-direction:column;min-height:115px}.activity-tone-options svg{width:100px;height:80px}.activity-tone-options path{stroke:var(--activity-accent);stroke-width:9;fill:none;stroke-linecap:round;stroke-linejoin:round}.activity-feedback{padding:16px;background:#133b49;color:#fff;border-radius:18px}.activity-model{font-size:30px!important;font-weight:800;text-align:center}.activity-main details{background:#fff5eecc;border-radius:18px;padding:15px;margin:20px 0}.activity-main summary{min-height:30px;cursor:pointer;font-weight:800}.activity-scene-list{display:grid;gap:12px}.activity-scene-list>button{display:flex;align-items:center;text-align:left;gap:14px;width:100%;padding:16px}.activity-scene-list img{width:60px;height:80px;object-fit:contain}.activity-scene-list span{display:flex;flex-direction:column;gap:8px}.activity-scene{display:grid;grid-template-columns:75px 1fr;gap:12px;margin:20px 0;padding:18px;background:#fff8eece;border-radius:22px}.activity-scene-person img{width:75px;height:110px;object-fit:contain}.activity-scene-person span{display:block;text-align:center;font-size:12px;font-weight:800}.activity-bubble{background:#fff7ea;border-radius:20px;padding:14px;min-width:0}.activity-bubble>p[lang=zh]{font-size:26px;margin:4px 0;line-height:1.8}.activity-word{display:inline!important;min-height:0!important;box-shadow:none!important;padding:1px 3px!important;margin:0!important;background:transparent!important;border-bottom:1px dashed currentColor!important;border-radius:0!important;font-size:inherit!important;color:inherit!important}.activity-pinyin{font-size:15px!important;color:#745870}.comic-frame{border:3px solid #54334e;box-shadow:8px 8px 0 #54334e50;background:linear-gradient(150deg,#ffe4b8,#b4e9e2)}.comic-frame .activity-bubble{border:2px solid #754360}.activity-wave{font-size:35px!important;letter-spacing:5px;color:var(--activity-accent)}.activity-built{min-height:75px;padding:10px;background:#dcebe6;border-radius:14px;margin:12px 0}.activity-blocks{display:flex;gap:8px;flex-wrap:wrap}.activity-blocks button{font-size:22px;padding:8px 14px}.activity-celebration{text-align:center;background:#fff7eaca;border-radius:25px;padding:22px}.activity-celebration img{height:200px;max-width:90%;object-fit:contain}.activity-recording audio{width:100%;margin:10px 0}.activity-character-grid{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}.activity-character-grid button{font-size:24px;min-width:54px}.activity-stroke{width:260px;height:260px;margin:20px auto;background:#fff9ee;border-radius:20px;touch-action:none;box-shadow:0 6px 20px #54334e40}.activity-credit{font-size:12px!important}.activity-rule{padding:18px;background:var(--activity-surface);border-radius:20px}.activity-rule p{white-space:pre-wrap}.activity-exercise-cn{font-size:24px!important;padding:18px;background:var(--activity-surface);border-radius:20px}.activity-options{display:grid;gap:10px}.activity-main textarea{width:100%;font-size:22px;padding:15px;border-radius:16px;border:2px solid #ffffffaa;background:#fff9ee;color:#26353f}.activity-main iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:20px;margin:15px 0}.activity-video-caption{padding:18px;background:var(--activity-surface);border-radius:20px}.activity-contribution{display:flex;gap:10px;flex-direction:column;padding:18px;background:var(--activity-surface);border-radius:20px;margin:14px 0}.activity-contribution h2{font-size:22px;margin:5px 0}.activity-couple-hero{position:relative;min-height:150px;padding-right:90px}.activity-couple-hero img{position:absolute;width:85px;right:0;top:0}.activity-home-link{padding:22px;border-radius:22px;background:linear-gradient(135deg,#254c66,#65428d);color:#fff;margin:18px 0}.activity-home-link h2{font-size:23px;margin:0}.activity-home-link button{min-height:48px;background:#ffd98c;color:#3a3157;border:0;border-radius:16px;padding:12px 18px;font-weight:800}.pocket-music-settings{margin:15px 0;background:#e7e0f7;border-radius:18px;padding:15px}.pocket-music-settings p{font-size:13px}.pocket-music-settings input[type=range]{width:100%}.custom-companion .story-jump{display:none!important}.custom-companion .story-victory-bear{visibility:visible!important;animation:companion-hop .65s ease-in-out 3!important}@keyframes companion-hop{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-30px) rotate(5deg)}}@media(max-width:350px){.activity-main{padding:16px 12px}.activity-main h1{font-size:26px}.activity-grid b{font-size:16px}.activity-grid button{padding:13px}.activity-scene{grid-template-columns:55px 1fr;padding:12px;gap:8px}.activity-scene-person img{width:55px}.activity-bubble{padding:10px}.activity-bubble>p[lang=zh]{font-size:23px}}@media(prefers-reduced-motion:reduce){.custom-companion .story-victory-bear{animation:none!important}}

.activity-dialog[open]{position:fixed;inset:0;margin:0 auto;box-sizing:border-box;display:block}.activity-dialog:not([open]){display:none}

.activity-dialog .activity-main{padding:20px 18px max(30px,env(safe-area-inset-bottom))!important;box-sizing:border-box;overflow-wrap:anywhere}.activity-dialog .activity-stroke{max-width:100%}@media(max-width:350px){.activity-dialog .activity-main{padding:16px 12px!important}}