@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600&display=swap');
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@media(max-width:1150px){.main-area{padding:0 30px 20px}.sidebar{width:210px}.main-area{margin-left:210px}.today-grid{grid-template-columns:minmax(0,1.2fr) minmax(235px,.8fr);gap:15px}.hero-copy{padding:25px}.hero-art{min-height:245px}.lesson-hero{min-height:245px}.story-card{padding:20px}.side-stack{gap:10px}}
@media(max-width:800px){.sidebar{display:none}.main-area{margin-left:0;padding:0 20px calc(88px + env(safe-area-inset-bottom))}.topbar{height:62px}.mobile-brand{display:flex;align-items:center;gap:8px}.mobile-brand .brand-mark{width:31px;height:31px;border-radius:11px;font-size:17px}.mobile-brand strong{font-size:16px;letter-spacing:-.06em}.top-date{display:none}.top-actions{gap:10px}.connection-badge{font-size:0}.connection-badge:before{width:7px;height:7px}.avatar-button{width:31px;height:31px}.view{padding-top:25px}.welcome-row{align-items:flex-start}.welcome-row h1{font-size:28px}.welcome-row .muted{font-size:10px;max-width:265px}.day-pill{font-size:8px;margin-top:7px}.lesson-hero{grid-template-columns:1fr .63fr;min-height:215px}.hero-copy{padding:20px 19px}.hero-copy h2{font-size:22px;margin:11px 0 8px}.hero-intro{font-size:10px;line-height:1.5;margin-bottom:10px}.hero-meta{font-size:8px;gap:7px;margin-bottom:12px}.hero-copy .button{min-height:38px;font-size:9px}.hero-art{min-height:215px}.sun{width:53px;height:53px;top:27px}.market-bag{transform:scale(.78);left:30%;top:76px}.art-caption{font-size:9px;right:9px;bottom:9px}.today-grid{grid-template-columns:1fr;gap:13px}.side-stack{grid-template-columns:1fr 1fr;align-items:start}.next-step-card{grid-column:1/-1}.pattern-card,.vocab-card{padding:16px}.pattern-card h3{font-size:17px}.story-card{min-height:0}.library-grid{grid-template-columns:repeat(2,1fr)}.write-layout{grid-template-columns:1fr;gap:13px}.character-card,.practice-card{padding:19px}.hanzi-stage,.practice-canvas-wrap{width:min(100%,280px)}.speak-layout{grid-template-columns:1fr;gap:13px}.pronunciation-card{padding:19px}.side-stack{grid-template-columns:1fr 1fr}.tutor-card{grid-row:span 2}.progress-cards{gap:8px}.stat-card{padding:14px}.stat-number{font-size:22px}.settings-layout{grid-template-columns:1fr}.data-settings{grid-column:auto}.mobile-nav{display:flex;position:fixed;z-index:10;bottom:0;left:0;right:0;justify-content:space-around;gap:0;padding:7px 8px calc(7px + env(safe-area-inset-bottom));background:#fbfcf8ee;backdrop-filter:blur(16px);border-top:1px solid #e6ebe4}.mobile-nav-item{flex:1;display:grid;justify-items:center;gap:3px;border:0;background:transparent;color:#9aa39d;font-size:8px;font-weight:700;padding:3px 0}.mobile-nav-item span{font-size:17px;line-height:1}.mobile-nav-item.active{color:var(--ink)}.app-footer{font-size:7px;gap:10px}}
@media(max-width:520px){.main-area{padding-left:15px;padding-right:15px}.welcome-row{display:block}.day-pill{margin:11px 0 0}.lesson-hero{grid-template-columns:1fr;min-height:0}.hero-copy{padding:20px}.hero-art{min-height:130px;grid-row:1}.hero-art:before{height:100px;bottom:-56px}.hero-art:after{height:70px}.sun{width:48px;height:48px;top:13px;right:20%}.market-bag{top:32px;left:43%;transform:scale(.53);transform-origin:top center}.fruit-one{top:75px;left:36%;width:17px;height:17px}.fruit-two{top:80px;left:63%;width:15px;height:15px}.art-caption{bottom:8px;font-size:8px}.hero-copy h2{margin-top:10px}.hero-meta{flex-wrap:wrap}.side-stack{grid-template-columns:1fr}.next-step-card{grid-column:auto}.scene-chinese{font-size:20px}.story-card{padding:17px}.section-head h3{font-size:14px}.pattern-note{font-size:8px}.page-heading h1{font-size:29px}.page-heading .muted{font-size:10px}.library-grid{gap:9px}.library-item{padding:12px}.library-icon{height:68px;font-size:24px}.library-item h3{font-size:12px}.library-item p{font-size:9px}.voice-compare{grid-template-columns:1fr;gap:12px}.compare-divider{display:none}.audio-row{padding:9px}.phrase-chinese{font-size:27px}.progress-cards{grid-template-columns:1fr 1fr}.stat-card:last-child{grid-column:1/-1}.memory-panel,.recent-panel{padding:17px}.privacy-pill{font-size:7px}.app-footer span:last-child{display:none}.settings-card{padding:18px}.recording-controls{flex-wrap:wrap}.mobile-nav-item{font-size:7px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}

.story-slide{position:relative;min-height:300px;overflow:hidden;border-radius:18px;background:linear-gradient(130deg,#c9d8ba,#ead5ac);animation:fadeIn .6s ease}.story-slide img{width:100%;height:340px;object-fit:cover;display:block}.story-slide:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent,#112a24bb)}.story-slide h2{position:absolute;z-index:1;bottom:20px;left:20px;right:20px;color:white;font:600 clamp(25px,5vw,42px)/1.5 var(--zh);text-shadow:0 2px 15px #0008}.syllable-controls{margin:14px 0}.syllable-row{display:flex;flex-wrap:wrap;gap:6px}.syllable-controls .button{font-size:10px}
.live-open{overflow:hidden}.live-tutor{position:fixed;inset:0;z-index:25;min-height:100dvh;display:flex;flex-direction:column;background:radial-gradient(ellipse at 50% 35%,#244e43,#102e29 75%);color:#f3f3e8;padding:max(18px,env(safe-area-inset-top)) max(22px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom));overflow:auto}.live-header{display:flex;align-items:center;gap:12px}.live-header>span{margin-right:auto;letter-spacing:.14em;font-size:11px;color:#acc8b8}.live-header .button{min-height:40px}.live-teaching{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:20px;padding:32px 0}.live-teaching>p{max-width:650px;color:#bdcfc0;line-height:1.7}.live-phrase{display:flex;flex-wrap:wrap;gap:clamp(8px,2vw,24px);justify-content:center;max-width:1100px}.live-syllable{display:grid;gap:12px;padding:12px 8px;border-bottom:3px solid transparent;color:#c5d3c9;transition:color .1s,background .1s;border-radius:16px}.live-syllable b,.live-welcome{font:500 clamp(42px,9vw,104px)/1.3 var(--zh)}.live-syllable small{font-size:clamp(18px,3vw,28px)}.live-syllable.active{color:#f8d282;background:#ffffff12;border-color:#f8d282}.live-syllable.spoken{color:#85bc9b}.live-footer{width:min(100%,760px);margin:auto auto 0;text-align:center}.live-footer>span{font-size:12px;color:#b5d3bc}.live-footer canvas{display:block;width:100%;height:90px}.live-footer p{font-size:10px;color:#8caa98}.conversation-writing{padding:22px;margin-bottom:20px}.writing-library{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.writing-library .button{font-size:11px}.writing-phrase{display:grid;gap:6px;padding:14px 0;border-top:1px solid var(--line);color:var(--muted)}.writing-phrase strong{font:500 24px var(--zh);color:var(--ink)}#writingError{color:#b16e5b;margin-top:12px}@media(max-width:520px){.live-tutor{padding-left:14px;padding-right:14px}.live-header{gap:7px}.live-header>span{font-size:9px}.live-header .button{padding:9px 12px}.live-teaching{gap:12px}.live-phrase{gap:5px}.live-syllable{padding:10px 5px}.live-syllable b{font-size:48px}.live-syllable small{font-size:20px}.live-teaching>p{font-size:13px}.conversation-writing{padding:18px}}

.live-syllable em{font:400 12px/1.5 var(--font);max-width:150px;color:#c4d4c8;font-style:normal}.live-syllable{align-content:start}

.live-static-text b{font:500 clamp(34px,7vw,80px)/1.6 var(--zh);overflow-wrap:anywhere}.live-static-text p{font-size:clamp(18px,3vw,28px);line-height:1.6;color:#d4dfd5}

.live-static-syllable{transition:none!important;animation:none!important;border-bottom:0;background:transparent;color:#d4dfd5}

.gift-gate{position:fixed;inset:0;z-index:50;min-height:100dvh;overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px 22px;background:radial-gradient(ellipse at 50% 35%,#fff9f0,#f7dfdc 65%,#ead6d9);color:#663749;transition:opacity .7s,transform .7s}.gift-eyebrow{letter-spacing:.22em;font-size:10px;animation:giftReveal 1s both}.gift-message{font-size:clamp(26px,6vw,48px);font-weight:500;line-height:1.55;max-width:740px;animation:giftReveal 1.3s .2s both}.gift-message span{font-family:Georgia,serif;font-style:italic;color:#a14f6b}.gift-message b{display:inline-block;color:#c6627d;animation:heartBeat 1.7s infinite}.gift-stars{font-size:25px;color:#c09861;letter-spacing:35px;padding-left:35px;animation:giftFloat 4s infinite}.gift-stars span{font-size:40px}.gift-button{position:relative;border:0;background:none;width:240px;height:230px;margin:5px 0 15px;touch-action:manipulation;animation:giftFloat 3s ease-in-out infinite}.gift-button:focus-visible{outline:3px solid #a14f6b;outline-offset:8px;border-radius:24px}.gift-box{position:absolute;width:166px;height:139px;left:37px;bottom:24px;background:linear-gradient(115deg,#c96d86,#a94e6e);border-radius:5px 5px 14px 14px;box-shadow:0 26px 35px #793d5929}.gift-ribbon{position:absolute;inset:0 65px;background:linear-gradient(90deg,#ecd3a3,#fff1ca,#d8b47d)}.gift-lid{position:absolute;left:-9px;top:-19px;width:184px;height:35px;background:linear-gradient(100deg,#d8879a,#b95978);border-radius:6px;z-index:3;box-shadow:0 6px 7px #64324622;transition:transform 1s,opacity 1s}.gift-lid:after{content:'';position:absolute;inset:0 74px;background:#f3d7a6}.gift-bow{position:absolute;top:-79px;left:29px;font:80px Georgia;color:#e4bb82;z-index:4;transition:transform 1s,opacity 1s}.gift-heart{position:absolute;left:56px;top:40px;color:#fff1d9;font-size:50px;z-index:2;transition:transform 1s,opacity 1s}.gift-hint{font-size:12px;line-height:1.8;color:#956c79;animation:giftReveal 1s .7s both}.gift-opening .gift-lid,.gift-opening .gift-bow{transform:translateY(-160px) rotate(-18deg);opacity:0}.gift-opening .gift-heart{transform:translateY(-120px) scale(2.2);opacity:0}.gift-leaving{opacity:0;transform:scale(1.06);pointer-events:none}.gift-confetti{position:absolute;inset:0;pointer-events:none}.gift-confetti i{position:absolute;left:50%;top:55%;width:8px;height:13px;background:var(--confetti);border-radius:2px;animation:confettiBurst 1.6s ease-out forwards}.voice-welcome{position:fixed;z-index:35;inset:0;background:#173c35aa;backdrop-filter:blur(10px);padding:20px;display:grid;place-items:center;overflow:auto}.voice-welcome-panel{width:min(100%,560px);max-height:calc(100dvh - 40px);overflow:auto;background:#fffaf5;border-radius:25px;padding:26px}.voice-welcome-panel h2{font:500 28px/1.3 Georgia,serif;color:#75465b}.voice-welcome-panel>p{line-height:1.75}.voice-reading{padding:15px;border:1px solid #e7d7ca;border-radius:14px;color:#6c6f62;font-size:13px}.voice-welcome .voice-settings{padding:18px;box-shadow:none;margin:15px 0}.voice-welcome #voiceLater{display:block;margin:15px auto 0}.voice-settings audio{max-width:100%;width:100%}@keyframes giftReveal{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes giftFloat{50%{transform:translateY(-9px)}}@keyframes heartBeat{50%{transform:scale(1.17)}}@keyframes confettiBurst{to{transform:translate(var(--x),var(--y)) rotate(var(--spin));opacity:0}}@media(max-width:520px){.gift-message{font-size:27px}.voice-welcome{padding:12px}.voice-welcome-panel{padding:20px;max-height:calc(100dvh - 24px)}}@media(prefers-reduced-motion:reduce){.gift-gate *{animation:none!important;transition:none!important}}