:root{color:#21483b;font-synthesis:none;--paper:#f8f5ed;--card:#eeeee4;--ink:#21483b;--jade:#28634e;--muted:#758176;--line:#daddd0;--orange:#b05d35;--on-jade:#fffdf7;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;background:#f8f5ed;font-family:ui-rounded,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;background:0 0;border:0}button:disabled{opacity:.55;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}h1,h2,h3,p{margin:0}h1{letter-spacing:-1.1px;margin:16px 0;font-family:Georgia,Noto Serif,serif;font-size:clamp(30px,5vw,42px);font-weight:400;line-height:1.14}h2{font-family:Georgia,serif;font-size:25px;font-weight:400;line-height:1.3}h3{font-size:17px;font-weight:600}p{margin:10px 0}a{color:var(--jade);text-underline-offset:4px}small,.small{font-size:13px;line-height:1.5}.muted{color:var(--muted)}.warm,.pinyin{color:var(--orange)}.success{color:var(--jade);align-items:center;gap:7px;display:flex}.eyebrow{text-transform:uppercase;letter-spacing:2px;color:var(--muted);font:11px/1.5 ui-monospace,SFMono-Regular,monospace}.section-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.app-main{max-width:640px;padding:24px 22px calc(115px + env(safe-area-inset-bottom));margin:auto}.app-header{margin:0 0 22px}.icon{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:inline-flex}.icon:hover{background:var(--card)}.subtitle{color:var(--muted);margin-top:12px;font-size:16px}.shortcuts{justify-content:space-between;gap:12px;margin:18px 0;display:flex}.shortcuts button,.text-button{color:var(--jade);align-items:center;gap:7px;min-height:44px;padding:0;font-size:13px;display:inline-flex}.card{background:var(--card);border-radius:25px;margin:16px 0;padding:20px}.featured{margin-top:14px;padding:20px}.featured-content{justify-content:space-between;align-items:center;gap:12px;display:flex}.featured h2{font-family:inherit;font-size:21px;font-weight:500}.featured .chinese{margin:10px 0}.coffee-art{width:90px;height:90px;color:var(--jade);flex-shrink:0}.primary{background:var(--jade);width:100%;color:var(--on-jade);border-radius:100px;justify-content:space-between;align-items:center;gap:15px;min-height:52px;margin-top:15px;padding:15px 21px;font-size:16px;font-weight:600;display:flex}.primary:hover{filter:brightness(1.08)}.chinese{overflow-wrap:anywhere;word-break:normal;letter-spacing:1px;font-family:Songti TC,Noto Serif CJK TC,serif;font-size:38px;line-height:1.45}.chinese.medium{font-size:24px}.chinese.large{font-size:46px}.daily-progress{color:var(--jade);margin-top:16px;font-size:11px;font-weight:600}.daily-progress span:first-child{align-items:center;gap:6px;display:flex}.daily-progress progress{appearance:none;background:var(--line);border:0;border-radius:4px;width:100%;height:4px;margin-top:7px;display:block;overflow:hidden}progress::-webkit-progress-bar{background:var(--line)}progress::-webkit-progress-value{background:var(--jade)}progress::-moz-progress-bar{background:var(--jade)}.segmented{background:var(--card);border-radius:100px;margin:10px 0;padding:4px;display:flex}.segmented button{border-radius:100px;flex:1;padding:7px}.segmented .active{background:var(--paper);box-shadow:0 1px 5px #14261a0c}.list-row{text-align:left;border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;width:100%;min-height:56px;padding:18px 3px;display:flex}.list-row span:first-child{min-width:0}.list-row small{margin-top:5px;font-size:12px;display:block}.list-row strong{font-weight:500}.plus{font-size:25px;font-weight:300}.bottom-nav{bottom:calc(13px + env(safe-area-inset-bottom));background:color-mix(in srgb, var(--paper) 92%, transparent);border:5px solid color-mix(in srgb, var(--paper) 75%, transparent);z-index:10;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-radius:100px;width:290px;padding:3px;display:flex;position:fixed;left:50%;transform:translate(-50%);box-shadow:0 8px 35px #1f312519}.bottom-nav button{color:var(--muted);border-radius:100px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;padding:7px 5px;font-size:11px;display:flex}.bottom-nav button.active{color:var(--jade);background:var(--card)}.choice{border:1px solid var(--line);text-align:left;background:var(--paper);border-radius:21px;justify-content:space-between;align-items:center;gap:12px;width:100%;min-height:49px;padding:14px 16px;font-weight:500;display:flex}.choice small{margin-top:3px;display:block}.choice:hover:not(:disabled),.choice.correct{border-color:var(--jade);background:var(--card)}.choice.incorrect{border-color:var(--orange)}.refresher{margin:14px 0;font-size:14px}.modal-backdrop{z-index:25;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#162b2280;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--paper);color:var(--ink);overscroll-behavior:contain;scrollbar-width:thin;border-radius:30px;width:min(640px,100%);max-height:calc(100dvh - 40px);padding:24px 25px;overflow:auto;box-shadow:0 20px 80px #0002}.modal .section-head:first-child{background:var(--paper);z-index:2;padding:5px 0;position:sticky;top:-24px}.modal>p,.modal>section,.modal>details{margin:18px 0}.modal a{margin:13px 0;display:block}.modal .source{gap:8px;font-size:13px;display:flex}.search{background:var(--card);border-radius:17px;align-items:center;gap:10px;margin:20px 0;padding:10px 14px;display:flex}.search input{background:0 0;border:0;width:100%;min-width:0;min-height:30px;padding:0}.modal>input{border:1px solid var(--line);background:var(--card);width:100%;color:var(--ink);border-radius:16px;margin:12px 0 20px;padding:13px 16px}input,select{accent-color:var(--jade);color:var(--ink)}.chips{flex-wrap:wrap;gap:8px;margin:15px 0;display:flex}.nowrap{scrollbar-width:none;flex-wrap:nowrap;padding:4px 0;overflow:auto}.pill{background:var(--card);white-space:nowrap;border-radius:100px;justify-content:center;align-items:center;gap:7px;min-height:42px;padding:10px 14px;font-size:13px;display:inline-flex}.pill.selected{background:var(--jade);color:var(--on-jade)}.vegetarian{text-align:left;width:100%;color:var(--jade);flex-direction:column;gap:12px;display:flex}.vegetarian .eyebrow{gap:7px;display:flex}.vegetarian strong{font-size:13px}.vegetarian strong svg{vertical-align:middle}.menu-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;width:100%;padding:13px 0;display:flex}.menu-row span:last-child{color:var(--muted);gap:7px;font-size:12px;display:flex}.audio{color:var(--jade);justify-content:center;align-items:center;gap:7px;min-height:40px;padding:7px 8px;font-size:14px;display:inline-flex}.audio-row{justify-content:center;align-items:center;gap:16px;margin-top:10px;display:flex}.intro-word{align-items:center;gap:14px;padding:16px;display:flex}.intro-word .chinese{flex-shrink:0;font-size:31px}.intro-word>div{flex:1}.intro-word p{margin:2px 0;font-size:14px}.intro-word .audio{padding:4px;font-size:0}.intro-word .audio svg{width:21px}.in-lesson{padding-top:max(14px, env(safe-area-inset-top));padding-bottom:110px}.lesson>h2{margin:16px 0}.lesson .section-head:first-child{margin-bottom:15px}.lesson-progress{gap:5px;margin-bottom:16px;display:flex}.lesson-progress span{background:var(--line);border-radius:5px;flex:1;height:3px;transition:background .2s}.lesson-progress .filled{background:var(--jade)}.stimulus{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:130px;margin:17px 0 12px;padding:18px 16px;display:flex}.stimulus p{margin:7px 0}.stimulus .chinese{font-size:38px;line-height:1.25}.stimulus .clue{color:var(--jade);font-size:12px}.stimulus .pinyin{font-size:15px}.stimulus .muted{font-size:14px}.sound-symbol{color:var(--jade);margin:12px}.help-row{justify-content:space-between;align-items:center;gap:7px;margin:12px 0;display:flex}.help-row>div{align-items:center;display:flex}.choices{flex-direction:column;gap:9px;display:flex}.lesson-footer{background:var(--paper);padding:10px 20px calc(12px + env(safe-area-inset-bottom));z-index:12;max-width:640px;margin:auto;position:fixed;bottom:0;left:0;right:0}.lesson-footer .primary{margin-top:0}.feedback{margin:17px 0}.feedback h3{font-size:16px}.feedback p{margin-top:7px}.stats{gap:30px;margin:25px 0;display:flex}.stats strong{font:32px Georgia,serif;display:block}.stats small{color:var(--muted)}.completion-stamp{border:1px solid var(--jade);width:110px;height:110px;color:var(--jade);border-radius:50%;justify-content:center;align-items:center;margin:20px auto;font:40px Georgia,Songti TC,serif;display:flex;transform:rotate(-8deg)}.token-grid{flex-wrap:wrap;gap:12px;display:flex}.token-grid .card{flex-direction:column;flex:1;align-items:center;gap:7px;min-width:90px;padding:16px 12px;display:flex}.center{text-align:center}.tone-grid{grid-template-columns:repeat(4,1fr);gap:9px;display:grid}.tone-grid .card{padding:10px 5px}.tone-line{color:var(--orange);font-size:32px;display:block}.active-tone{outline:2px solid var(--jade)}.setting-row{justify-content:space-between;align-items:center;gap:12px;margin:19px 0;font-size:14px;display:flex}.setting-row input[type=checkbox]{flex-shrink:0;width:23px;height:23px}.setting-row select,.setting-row input[type=time]{border:1px solid var(--line);background:var(--paper);border-radius:10px;max-width:155px;padding:8px}.settings-card .choice{margin:12px 0;font-size:14px}.file-input{margin:15px 0;font-size:14px;display:block}.file-input input{max-width:100%;margin-top:8px;font-size:12px;display:block}.closing{color:var(--jade);font:22px Georgia,Songti TC,serif}.error-banner{color:var(--orange);border:1px solid var(--orange);border-radius:16px;margin-bottom:15px;padding:10px 14px;font-size:13px}.loading{text-align:center;max-width:400px;padding:20vh 25px}.mic-panel{padding:10px 0}.audio-fallback{margin:20px 0}.offline-status{text-align:center;margin-top:24px;font-size:10px}summary{cursor:pointer;min-height:44px;padding:10px 0}.modal .primary{margin-bottom:10px}@media (min-width:800px){.app-main{padding-top:42px}.featured{padding:26px}.featured .chinese{font-size:45px}.coffee-art{width:115px;height:115px}.in-lesson{padding-top:30px}.lesson>h2{font-size:29px}.stimulus{min-height:170px}.choice{padding:16px 20px}.modal{padding:30px}.modal .section-head:first-child{top:-30px}}@media (max-width:450px){.app-main{padding-top:max(12px, env(safe-area-inset-top));padding-left:20px;padding-right:20px}.app-header{margin-bottom:15px}h1{font-size:31px}.featured{padding:17px}.coffee-art{width:74px;height:74px}.featured h2{font-size:19px}.chinese{font-size:34px}.modal-backdrop{align-items:stretch;padding:0}.modal{max-height:100dvh;padding:20px;padding-top:max(15px, env(safe-area-inset-top));padding-bottom:calc(28px + env(safe-area-inset-bottom));border-radius:0}.modal .section-head:first-child{top:-20px}.lesson>h2{font-size:24px}.stimulus .chinese{font-size:34px}.stimulus{min-height:120px}.lesson .eyebrow{font-size:10px}.intro-word{gap:10px;padding:14px}.shortcuts{gap:7px}.shortcuts button{font-size:12px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media (prefers-color-scheme:dark){:root{--paper:#17271f;--card:#21352a;--ink:#e7e9dc;--jade:#9bc9ad;--muted:#adb7a8;--line:#3a4a3b;--orange:#e3a37b;--on-jade:#17271f;color:var(--ink);background:var(--paper)}.bottom-nav{box-shadow:0 8px 35px #0004}.primary{color:var(--on-jade)}}.menu-item{border-bottom:1px solid var(--line);padding:12px 0}.menu-item .chinese{padding:0 8px 0 0}.menu-item p{margin:4px 0}.menu-item details summary{min-height:30px;padding:4px 0}.menu-card select{max-width:190px}