:root{color:#33312e;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f2ebdf;font-family:ui-rounded,PingFang SC,Hiragino Sans GB,system-ui,sans-serif;font-weight:500}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input,select{font:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{cursor:default}button:focus-visible,input:focus-visible,select:focus-visible{outline-offset:4px;outline:3px solid #287cad}button{color:inherit}h1,h2,h3,p{margin:0}button svg{flex-shrink:0}a{color:inherit}svg{vertical-align:middle}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}body{padding-top:env(safe-area-inset-top,0px);padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}body .app-shell{padding-bottom:calc(95px + env(safe-area-inset-bottom,0px))}.app-shell.practice-shell{padding-bottom:env(safe-area-inset-bottom,0px)}body .bottom-nav{width:calc(100% - env(safe-area-inset-left,0px) - env(safe-area-inset-right,0px));height:calc(85px + env(safe-area-inset-bottom,0px));padding-bottom:calc(10px + env(safe-area-inset-bottom,0px))}.storage-warning{background:#fff0d4;border:1px solid #ead7b3;border-radius:15px;padding:12px;font-size:14px}.storage-start-error{max-width:620px;margin:60px auto;padding:24px;line-height:1.8}.storage-start-error button{min-height:48px;margin-top:20px;padding:8px 24px}:root{--paper:#fff9f0;--ink:#263847;--muted:#77716a;--pink:#e9517e;--line:#eee4d7;--radius:26px;--shadow:0 5px 20px #88694308}.app-shell{background:var(--paper);max-width:900px;min-height:100dvh;color:var(--ink);margin:auto;padding-bottom:95px;position:relative;overflow:hidden}main{max-width:820px;margin:auto;padding:36px 42px 20px}.brand{justify-content:space-between;align-items:center;display:flex}.eyebrow{color:#978471;letter-spacing:3px;font-size:13px}.brand h1{letter-spacing:6px;font-size:42px;font-weight:900;line-height:1.6}.brand-dot{color:#88bea3;vertical-align:top;font-size:24px;display:inline-block;transform:rotate(13deg)}.brand p{color:#64615a;font-size:16px}.avatar{color:#7f7467;justify-items:center;gap:6px;font-size:12px;display:grid}.avatar>svg{background:#f4e6d1;border:4px solid #fff;border-radius:50%;width:50px;height:50px;padding:12px}.welcome{background:linear-gradient(115deg,#f5edd4,#eef2dc);border-radius:32px;align-items:center;min-height:235px;margin:28px 0;padding:30px;display:flex;position:relative;overflow:hidden}.welcome:after{content:"";background:#cde4c85e;border-radius:50%;width:220px;height:100px;position:absolute;bottom:-65px;right:-70px}.welcome h2{letter-spacing:1px;margin:12px 0 9px;font-size:29px;line-height:1.55}.welcome p{color:#7b806e;font-size:14px;line-height:1.8}.pill{color:#8a7651;background:#fff9e9;border-radius:20px;padding:6px 12px;font-size:12px;display:inline-block}.companion{flex-shrink:0;width:235px}.welcome>.companion{width:260px;position:absolute;bottom:8px;right:18px}.small{width:150px}.section-title{justify-content:space-between;align-items:center;margin:26px 0 15px;display:flex}.section-title h2{font-size:22px}.section-title>span{color:#9a8d7e;font-size:13px}.subject-list{gap:15px;display:grid}.subject-card{text-align:left;min-height:118px;box-shadow:var(--shadow);border:1px solid #fff8;border-radius:24px;align-items:center;gap:22px;padding:20px 26px;display:flex}.subject-card.math{color:#ab345a;background:linear-gradient(115deg,#ffe2e6,#ffd3dd)}.subject-card.chinese{color:#976017;background:linear-gradient(115deg,#fff0ca,#ffe5b9)}.subject-card.english{color:#29658c;background:linear-gradient(115deg,#e0f3fb,#cdeaf9)}.subject-symbol{letter-spacing:-3px;background:#fff9;border-radius:21px;place-items:center;width:72px;height:72px;font-size:30px;font-weight:900;display:grid;transform:rotate(-6deg);box-shadow:0 3px #fff5,inset 0 0 0 3px #fff6}.english .subject-symbol{letter-spacing:-1px;font-size:23px}.card-copy{gap:7px;display:grid}.card-copy strong{letter-spacing:2px;font-size:28px;font-weight:850}.card-copy>span{color:#685b53;font-size:15px}.card-end{justify-items:center;gap:6px;margin-left:auto;display:grid}.math .card-end{color:#fff;background:#eb5b86;border-radius:50%;padding:10px;box-shadow:0 3px #d84e77}.card-end small{white-space:nowrap;font-size:12px}.gentle-note{color:#8c806f;justify-content:center;align-items:center;gap:10px;padding:24px 0 5px;font-size:14px;display:flex}.gentle-note svg{color:#dda94e}.bottom-nav{z-index:5;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border-top:1px solid var(--line);width:100%;max-width:900px;padding:10px 18px calc(10px + env(safe-area-inset-bottom));background:#fffdf8f5;justify-content:space-around;height:85px;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottom-nav button{color:#98958e;background:0 0;border:0;justify-items:center;gap:5px;min-width:80px;font-size:12px;display:grid}.bottom-nav button.active{color:var(--pink)}.page-header{align-items:center;gap:10px;min-height:48px;margin-bottom:24px;display:flex}.page-header h1{font-size:28px}.icon-button{background:0 0;border:0;border-radius:16px;place-items:center;min-width:48px;min-height:48px;display:grid}.empty-state{text-align:center;justify-items:center;gap:20px;padding:50px 10px;display:grid}.empty-state p{color:var(--muted);line-height:1.8}.primary{background:var(--pink);color:#fff;border:0;border-radius:22px;justify-content:center;align-items:center;gap:12px;min-height:56px;padding:14px 24px;font-size:20px;font-weight:700;display:flex;box-shadow:inset 0 2px #ffffff45}.secondary{border:1px solid var(--line);background:#fffdf8;border-radius:20px;min-height:52px;padding:12px 20px;font-size:17px}.primary:hover{filter:brightness(1.04)}button:active:not(:disabled){transform:translateY(1px)}@media (min-width:1024px){.app-shell{border-radius:36px;min-height:calc(100dvh - 48px);margin:24px auto;box-shadow:0 12px 70px #9c815e15}.bottom-nav{border-radius:0 0 36px 36px;bottom:24px}}@media (max-width:600px){main{padding:24px 20px 16px}.brand h1{letter-spacing:4px;font-size:32px}.eyebrow{letter-spacing:2px;font-size:11px}.brand p{font-size:13px}.welcome{min-height:215px;margin:22px 0;padding:22px}.welcome h2{font-size:24px}.welcome>.companion{width:172px;bottom:5px;right:-7px}.welcome p{font-size:12px}.subject-card{gap:16px;min-height:104px;padding:16px}.subject-symbol{width:58px;height:58px;font-size:26px}.card-copy strong{font-size:26px}.card-copy>span,.section-title>span,.gentle-note{font-size:12px}.page-header{margin-bottom:18px}.page-header h1{font-size:25px}}.theme-make-ten{--accent:#d94673;--tint:#ffe1e9;--wash:#fff3f5}.theme-break-ten{--accent:#b86b25;--tint:#ffebc9;--wash:#fff8e9}.theme-flatten-ten{--accent:#237fa7;--tint:#d5eefb;--wash:#eff9ff}.theme-borrow-ten{--accent:#ad588e;--tint:#f5ddec;--wash:#fff2fa}.math-heading{justify-content:space-between;align-items:center;margin:0 0 20px;display:flex}.math-heading h1{letter-spacing:5px;margin-bottom:10px;font-size:40px}.math-heading p{font-size:17px}.math-heading small{color:var(--muted);margin-top:9px;font-size:12px;display:block}.math-heading .companion{width:150px;height:140px}.method-list{gap:18px;display:grid}.method-card{background:var(--tint);text-align:left;min-height:136px;color:var(--accent);border:1px solid #fff;border-radius:25px;align-items:center;gap:24px;padding:22px 24px;display:flex}.method-card .card-copy strong{font-size:29px}.method-card .card-copy small{color:var(--accent);background:#fff9;border-radius:15px;width:fit-content;padding:5px 10px;font-size:12px}.method-art{flex-shrink:0;width:84px;height:84px;position:relative}.method-art>span{background:var(--accent);color:#fff;border:3px solid #fff;border-radius:20px;place-items:center;width:62px;height:70px;font-size:33px;font-weight:850;display:grid;position:absolute;top:0;left:0;transform:rotate(-8deg);box-shadow:inset 0 0 0 3px #ffffff40}.method-art>b{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#fff8;border:3px solid #fff;border-radius:17px;place-items:center;width:45px;height:47px;font-size:24px;display:grid;position:absolute;bottom:0;right:0;transform:rotate(9deg)}.method-end{justify-items:end;gap:18px;margin-left:auto;display:grid}.method-end>svg{box-sizing:content-box;background:#fffb;border-radius:50%;padding:6px}.method-end>b{white-space:nowrap;background:#fff9;border-radius:10px;padding:6px 9px;font-size:18px}.lesson-banner{background:var(--tint);border-radius:28px;justify-content:space-between;align-items:center;min-height:175px;padding:22px 28px;display:flex}.lesson-banner h2{margin:8px 0;font-size:25px;line-height:1.5}.lesson-banner p{color:#756967;font-size:14px}.lesson-content{border:1px solid var(--line);background:#fffdf9;border-radius:26px;margin:22px 0;padding:25px}.lesson-content h2{font-size:23px}.method-steps{counter-reset:step;flex-wrap:wrap;gap:14px;margin:22px 0;padding:0;list-style:none;display:flex}.method-steps li{counter-increment:step;align-items:center;gap:8px;font-size:15px;display:flex}.method-steps li:before{content:counter(step);background:var(--accent);color:#fff;border-radius:50%;place-items:center;width:26px;height:26px;display:grid}.muted{color:var(--muted)}@media (max-width:600px){.math-heading h1{font-size:34px}.math-heading p{font-size:14px}.math-heading .companion{width:110px;height:120px}.method-card{gap:14px;min-height:126px;padding:18px 15px}.method-art{width:61px;height:75px}.method-art>span{width:49px;height:62px;font-size:27px}.method-art>b{width:34px;height:38px;font-size:19px}.method-card .card-copy strong{font-size:25px}.method-card .card-copy>span{font-size:12px}.method-card .card-copy small{padding:4px 7px;font-size:10px}.method-end>b{padding:5px;font-size:14px}.method-end{gap:16px}.lesson-banner{min-height:140px;padding:18px}.lesson-banner .companion{width:100px}.lesson-banner h2{font-size:21px}.lesson-banner p{font-size:12px}.lesson-content{padding:20px}.method-steps{gap:10px}.method-steps li{font-size:13px}}.math-diagram{width:100%;max-width:350px;margin:0 auto;display:block;overflow:visible}.diagram-reveal{animation:.2s ease-out reveal}.diagram-node.current rect{stroke-width:2.5px}.lesson-example{grid-template-columns:1.1fr 1fr;align-items:center;gap:22px;display:grid}.example-equation{text-align:center;letter-spacing:1px;margin:8px 0 0;font-size:30px;font-weight:850}.example-equation b{background:#ffebc9;border-radius:9px;padding:3px 7px}.lesson-example aside{border-left:1px solid var(--line);padding-left:25px}.lesson-example aside h3{color:var(--accent);margin-bottom:12px;font-size:17px}.lesson-example aside p{color:#756b60;font-size:16px;line-height:1.9}.lesson-example aside .companion{margin-top:20px}.lesson-start{gap:15px;display:grid}.lesson-start label{color:var(--muted);justify-content:space-between;align-items:center;font-size:14px;display:flex}select{border:1px solid var(--line);min-height:48px;color:var(--ink);background:#fffdf9;border-radius:15px;padding:10px}.lesson-start .primary,.practice-page .primary{background:var(--accent)}.lesson-start small{text-align:center;color:#8c8175;font-size:12px}.practice-shell{padding-bottom:0}.practice-shell main{max-width:none;padding:26px 32px 20px}.practice-header{gap:8px;margin-bottom:14px}.practice-header h1{color:var(--accent);font-size:25px}.question-count{white-space:nowrap;margin-left:18px;font-size:19px}.question-count small{color:#8c877f;font-size:15px}.star-counter{border:1px solid var(--line);background:#fffdf8;border-radius:23px;justify-content:center;align-items:center;gap:8px;min-width:77px;margin-left:auto;padding:10px 12px;font-size:18px;display:flex}.star-counter svg{color:#f0b642;stroke:#dda323}.session-progress{background:#eee9df;border-radius:20px;height:10px;margin-bottom:22px;overflow:hidden}.session-progress>span{background:#83caa2;border-radius:20px;height:100%;transition:width .2s;display:block}.practice-workspace{gap:18px;display:grid}.math-work{border:1px solid var(--line);text-align:center;background:#fffdf9;border-radius:28px;padding:20px 20px 0;position:relative;overflow:hidden}.practice-caption{color:#8e8171;margin-bottom:17px;font-size:14px}.equation{font-variant-numeric:tabular-nums;justify-content:center;align-items:center;gap:15px;font-size:64px;font-weight:850;line-height:1.25;display:flex}.equation .operator,.equation .operand{color:var(--accent)}.answer-box{background:#dff1fa;border-radius:15px;min-width:69px;padding:2px 13px}.answer-box.solved{color:#217754;background:#dff2df}.answer-companion{justify-content:center;align-items:center;gap:22px;margin:20px 0 6px;display:flex}.answer-companion>span{color:#8c8173;text-align:left;font-size:16px;line-height:1.8}.answer-companion .companion{width:120px;height:115px}.practice-controls{width:100%;max-width:500px;margin:auto}.practice-controls form{grid-template-columns:1fr 110px;align-items:center;gap:14px;display:grid}.answer-label{font-size:21px;font-weight:700}.practice-controls input{border:2px solid var(--tint);text-align:center;width:110px;height:62px;color:var(--accent);background:#fffdf9;border-radius:16px;font-size:32px;font-weight:800}.number-pad{grid-column:1/-1;grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.number-pad button{background:#fffdf9;border:1px solid #e7e5dc;border-radius:16px;min-height:60px;font-size:29px;font-weight:750;box-shadow:0 3px #ede6d9}.number-pad button:nth-child(3n+1){background:#fff0cf}.number-pad button:nth-child(3n+2){background:#e3f2fd}.number-pad button:nth-child(3n){background:#e4f2df}.number-pad button.pad-word{color:#7c756a;background:#f1ece3;font-size:16px}.practice-controls form>.primary{grid-column:1/-1;margin-top:6px}.primary:disabled{opacity:.5;cursor:default}.has-diagram .math-work{padding-bottom:8px}.has-diagram .math-diagram{max-width:340px}.guide-controls,.review-controls{text-align:center}.step-label{color:var(--accent);background:var(--tint);border-radius:15px;margin-bottom:12px;padding:6px 12px;font-size:13px;display:inline-block}.guide-controls h2,.review-controls h2{font-size:22px;line-height:1.6}.guide-hint{color:#827565;margin:7px 0 0;font-size:15px;line-height:1.7}.number-choices{justify-content:center;gap:10px;margin:20px 0 12px;display:flex}.number-choices button{background:#ffebc3;border:1px solid #fff;border-radius:16px;flex:1;min-width:58px;max-width:75px;min-height:62px;font-size:29px;font-weight:800;box-shadow:0 3px #e8dfd0}.number-choices button:nth-child(2){background:#d8efff}.number-choices button:nth-child(3){background:#ddf3d6}.number-choices button:nth-child(4){background:#ebdefa}.number-choices button:nth-child(5){background:#f9dce8}.guide-feedback{color:#8c705b;min-height:26px;font-size:14px;line-height:1.7}.success-art{padding:30px 0 12px}.success-art>svg:first-child{color:#f5c356;filter:drop-shadow(0 4px #f1dfaf)}.success-art h2{letter-spacing:4px;color:var(--accent);margin:10px 0;font-size:45px}.success-art p{font-size:20px}.success-art p span{color:#b78523}.success-art .companion{width:170px;margin:15px auto 0;display:block}.result-actions{text-align:center;gap:14px;display:grid}.result-actions p{color:var(--muted);margin:0 0 10px}.review-controls .primary{width:100%;margin-top:22px}.review-equation{color:#3c6b79;margin:13px 0;font-size:26px;font-weight:700}.session-summary{text-align:center;justify-items:center;gap:20px;max-width:520px;margin:45px auto;display:grid}.big-star{color:#efbf4f}.session-summary h1{font-size:35px}.session-summary>p{color:#817465}.session-summary>.primary{width:100%}.summary-numbers{gap:45px;margin:10px 0;display:flex}.summary-numbers>div{gap:7px;display:grid}.summary-numbers strong{color:var(--accent);font-size:40px}.summary-numbers span{color:#8c8277;font-size:14px}.session-note{font-size:12px}.exit-confirm{background:#fff0d4;border:1px solid #ead7b3;border-radius:20px;margin-bottom:15px;padding:15px}.exit-confirm p{font-size:14px;line-height:1.8}.exit-confirm>div{gap:10px;margin-top:10px;display:flex}.exit-confirm button{min-height:48px;font-size:14px}.is-correct .math-work{border-color:#e0edda}@keyframes reveal{0%{opacity:0}to{opacity:1}}@media (min-width:900px) and (min-aspect-ratio:6/5){.practice-shell{max-width:1100px}.practice-workspace{grid-template-columns:1.15fr 1fr;align-items:center;gap:30px;min-height:570px}.practice-shell main{padding:25px 40px}.practice-workspace .math-work{flex-direction:column;justify-content:center;min-height:500px;display:flex}.has-diagram .math-work{justify-content:flex-start;padding-top:20px}.has-diagram .math-diagram{max-width:320px}.answer-companion{margin-top:50px}.answer-companion .companion{width:165px;height:160px}.practice-controls{padding:0 10px}.equation{gap:10px;font-size:52px}.has-diagram .practice-caption{margin-bottom:12px}.lesson-content{margin-bottom:16px}}@media (max-width:600px){.lesson-example{grid-template-columns:1fr}.lesson-example aside{display:none}.lesson-example .math-diagram{max-width:280px}.example-equation{font-size:29px}.lesson-banner .eyebrow{font-size:10px}.practice-shell main{padding:14px 16px}.practice-header h1{font-size:23px}.practice-header .icon-button{min-width:38px}.question-count{margin-left:8px;font-size:17px}.star-counter{min-width:65px;padding:9px 10px;font-size:16px}.practice-caption{margin-bottom:14px;font-size:12px}.session-progress{height:9px;margin-bottom:16px}.math-work{border-radius:23px;padding:16px 10px 0}.equation{gap:10px;font-size:44px}.answer-box{border-radius:12px;min-width:54px;padding:3px 9px}.answer-companion{gap:17px;margin-top:12px}.answer-companion .companion{width:95px;height:94px}.answer-companion>span{font-size:14px}.practice-workspace{gap:16px}.practice-controls form{grid-template-columns:1fr 95px;gap:10px}.answer-label{font-size:19px}.practice-controls input{width:95px;height:54px;font-size:30px}.number-pad{gap:9px}.number-pad button{border-radius:13px;min-height:52px;font-size:26px}.practice-controls .primary{min-height:52px;font-size:18px}.has-diagram .math-diagram{max-width:260px}.has-diagram .practice-caption{margin-bottom:8px}.has-diagram .equation{font-size:38px}.guide-controls h2,.review-controls h2{font-size:18px}.step-label{margin-bottom:8px;padding:5px 10px;font-size:12px}.guide-hint{font-size:13px}.number-choices{gap:8px;margin:13px 0 10px}.number-choices button{border-radius:13px;min-width:0;min-height:56px;font-size:26px}.guide-feedback{font-size:12px}.review-equation{margin:8px 0;font-size:21px}.review-controls .primary{margin-top:14px}.success-art{padding-top:20px}.success-art>svg:first-child{width:72px;height:72px}.success-art h2{font-size:36px}.success-art .companion{width:140px}.session-summary{margin:30px auto}.session-summary h1{font-size:29px}}@media (max-height:750px) and (max-width:600px){.has-diagram .math-diagram{max-width:220px}.practice-shell main{padding-top:8px}.practice-header{margin-bottom:7px}.session-progress{margin-bottom:10px}.practice-workspace{gap:10px}.answer-companion{display:none}.math-work{padding-top:12px}.guide-hint{margin-top:2px}.number-choices{margin-top:9px}}.math-work:focus{outline:none}.math-work:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.lesson-example .math-diagram{max-width:280px}.lesson-banner{min-height:145px;padding-top:14px;padding-bottom:14px}.lesson-banner .companion{height:120px}.lesson-content{margin-top:18px}.lesson-start{gap:10px}.theme-within-20{--accent:#35836a;--tint:#dcf0e3;--wash:#f2faf4}.theme-within-50{--accent:#5a74b4;--tint:#e2e9fc;--wash:#f5f7ff}.range-message{color:#8c705b;grid-column:1/-1;min-height:22px;font-size:14px}.range-intro{color:var(--muted);margin-top:18px;line-height:1.9}.range-practice .practice-header h1{font-size:23px}@media (max-width:600px){.range-practice .practice-header{flex-wrap:wrap;gap:4px}.range-practice .practice-header h1{font-size:19px}.range-practice .question-count{margin-left:auto;font-size:15px}.range-practice .star-counter{gap:4px;min-width:49px;margin-left:5px;padding:8px 7px;font-size:14px}.range-practice .equation{gap:8px;font-size:38px}.method-card.theme-within-20 .card-copy strong,.method-card.theme-within-50 .card-copy strong{letter-spacing:0;font-size:19px}.method-card.theme-within-20,.method-card.theme-within-50{gap:10px}}.record-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;padding:18px 0;display:flex}.record-row:last-child{border-bottom:0}.record-row p{color:var(--muted);margin-top:7px;font-size:12px}.record-row>span{text-align:right;font-size:14px;line-height:1.8}.record-row button:disabled{opacity:.45}.record-row strong{font-size:16px}.session-summary>.secondary{width:100%}.session-summary .primary:disabled{opacity:.45}@media (max-width:600px){.math-heading h1{letter-spacing:1px;font-size:29px}.subject-card .card-copy>span{line-height:1.6}.record-row{gap:10px}}.wrong-details{margin-top:12px;font-size:13px}.wrong-details summary{cursor:pointer;color:#a45673;align-items:center;min-height:44px;display:flex}.wrong-details ul{margin:6px 0;padding:0;list-style:none}.wrong-details li{padding:8px 0;line-height:1.7}.wrong-details li span{color:var(--muted);font-size:12px;display:block}.difficulty-description{color:var(--muted);margin:0;font-size:13px;line-height:1.7}.range-levels{grid-template-columns:1fr 1fr;gap:14px;margin-top:20px;display:grid}.level-card{text-align:left;border:1px solid color-mix(in srgb,var(--accent) 24%,white);background:var(--wash);color:#273d4a;border-radius:20px;gap:7px;min-height:132px;padding:18px;display:grid;position:relative}.level-card strong{color:var(--accent);font-size:23px}.level-card span{font-weight:750}.level-card small{color:var(--muted)}.level-card svg{color:var(--accent);position:absolute;top:16px;right:15px}.subtraction-special{background:linear-gradient(135deg,var(--wash),#fff8ee);justify-content:space-between;align-items:center;gap:18px;display:flex}.subtraction-special h2{margin:7px 0}.subtraction-special p{color:var(--muted);margin:0;line-height:1.7}.subtraction-special .primary{flex-shrink:0;width:auto;min-width:130px;margin:0}@media (max-width:600px){.range-levels{grid-template-columns:1fr}.level-card{min-height:112px}.subtraction-special{flex-direction:column;align-items:stretch}.subtraction-special .primary{width:100%}}.settings-intro{background:#f8efdf;border-radius:24px;justify-content:space-between;align-items:center;padding:22px 26px;display:flex}.settings-intro h2{font-size:24px}.settings-intro p,.backup-card p{color:var(--muted);margin-top:8px;font-size:13px;line-height:1.7}.settings-intro .companion{width:110px}.backup-card{border:1px solid var(--line);background:#fff;border-radius:24px;gap:12px;margin-top:18px;padding:22px;display:grid}.backup-card .primary,.backup-card .secondary{width:100%}.visually-hidden{clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.update-notice{z-index:7;left:50%;bottom:calc(96px + env(safe-area-inset-bottom,0px));background:#fffdf8;border:1px solid #e8d8bd;border-radius:18px;align-items:center;gap:16px;width:min(100% - 32px,620px);padding:14px 16px;display:flex;position:fixed;transform:translate(-50%);box-shadow:0 8px 28px #4d372326}.update-notice span{gap:4px;display:grid}.update-notice small{color:var(--muted);line-height:1.5}.update-notice button{background:var(--pink);color:#fff;border:0;border-radius:14px;flex-shrink:0;margin-left:auto;padding:10px 15px}@media (max-width:600px){.update-notice{align-items:flex-start}.update-notice small{font-size:11px}}
