:root{--ink:#303e38;--muted:#68766e;--sage:#657f70;--sage-dark:#4b6858;--clay:#b88972;--mist:#8f9eac;--paper:#f5f4ef;--line:#dde2d9;--shadow:0 16px 34px #4a584617;--serif:Georgia,'Songti SC','SimSun',serif}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 3% 75%,#dbbea878,transparent 50%),radial-gradient(ellipse at 95% 8%,#c2d0be9c,transparent 55%),#edeee8;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;font-size:14px;line-height:1.6}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;border:0}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #af7657;outline-offset:3px}button:active:not(:disabled){transform:translateY(1px)}a{color:var(--sage-dark)}button svg{pointer-events:none}svg.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}h1,h2,h3,p{margin:0}h1{font-size:30px;letter-spacing:-1px;line-height:1.4}h2{font-size:21px;line-height:1.5}h3{font-size:16px}small,.small{font-size:12px}.muted{color:var(--muted)}.row{display:flex;align-items:center;gap:10px}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.stack{display:grid;gap:14px}.full{width:100%}.pill{border:1px solid #ffffff91;border-radius:99px;padding:5px 11px;font-size:11px;letter-spacing:.3px;background:#ffffff66;color:var(--sage-dark)}
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.minihead{font-size:13px;text-align:center}.minihead small{display:block;font-size:10px;font-weight:400;color:var(--muted)}.quizmeta{display:flex;align-items:center;justify-content:space-between;margin:24px 0 13px;font-size:12px}.badge{font-size:11px;background:#dfe7d8;color:#46613e;padding:4px 10px;border-radius:8px}.question{font-size:18px;line-height:1.9;font-weight:500;margin:18px 0 22px;overflow-wrap:anywhere}.option{display:flex;align-items:flex-start;text-align:left;gap:12px;min-height:57px;width:100%;padding:14px;margin:10px 0;border-radius:17px;border:1px solid #e1e4db;background:#ffffffa3;font-size:14px;line-height:1.7;box-shadow:0 3px 8px #6c776105}.letter{display:grid;place-items:center;border:1px solid #d6ddd0;border-radius:9px;min-width:26px;height:26px;font-size:12px;color:var(--muted);line-height:1}.option.selected{border-color:#7e9572;background:#e5ebde}.option.selected 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.round{margin:0 auto 18px;width:64px;height:64px;color:var(--sage)}.empty h3{font-weight:500;font-size:17px;margin-bottom:10px}.empty p{color:var(--muted);font-size:12px;line-height:1.9;margin-bottom:24px}.review-item{width:100%;display:block;text-align:left;padding:17px 18px;margin:12px 0;background:#ffffffa6;border-radius:18px;border:1px solid #fff}.review-item p{font-size:14px;margin:10px 0;line-height:1.8}.review-item small{color:var(--muted);font-size:11px}.search{display:flex;gap:9px;align-items:center;border:1px solid #fff;border-radius:14px;background:#ffffffa6;padding:0 12px;margin-bottom:15px}.search input{background:transparent;border:0;width:100%;padding:13px 0;font-size:16px;color:var(--ink);outline-offset:1px;min-width:0}.search .icon{width:18px;color:var(--muted)}.profile{display:flex;align-items:center;gap:14px;margin-bottom:24px}.avatar{width:57px;height:57px;border-radius:20px;background:linear-gradient(140deg,#dfe7d5,#aebe9e);display:grid;place-items:center;font-family:var(--serif);font-size:24px;color:var(--sage-dark);box-shadow:0 7px 10px #7a8f691a}.statgrid{display:grid;grid-template-columns:repeat(3,1fr);padding:21px 8px;text-align:center}.statgrid strong{display:block;font-family:var(--serif);font-size:25px;font-weight:400}.statgrid small{font-size:10px;color:var(--muted)}.setting{display:flex;justify-content:space-between;align-items:center;padding:17px 0;gap:12px;border-bottom:1px solid #e1e5db;font-size:13px;min-height:52px}.setting:last-child{border:0}.setting select{border:1px solid #d7dfd0;border-radius:9px;background:#f8faf5;padding:7px 8px;max-width:155px;color:var(--ink);font-size:14px}.examhero{padding:26px 24px;background:linear-gradient(130deg,#eee2d5,#d9cbbf);border:1px solid #fff;border-radius:24px;margin-bottom:22px;position:relative;overflow:hidden}.examhero h2{font-family:var(--serif);font-size:29px;font-weight:500;margin:8px 0}.examhero p{font-size:12px;max-width:220px;color:#706c5e}.examhero .orb{width:93px;height:93px;background:radial-gradient(circle at 25% 20%,#fcf6ec,#c6b5a1);right:-26px;top:10px;box-shadow:0 10px 20px #8b705324}.examsettings{padding:3px 20px;margin-bottom:22px;box-shadow:none}.resultscore{font-family:var(--serif);font-size:64px;color:var(--sage-dark);font-weight:400;margin-top:12px}.resulttitle{text-align:center;padding:26px 0}.resulttitle p{font-size:12px;color:var(--muted)}.gridnums{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin:17px 0}.num{height:45px;border:1px solid #dce3d4;border-radius:12px;background:#ffffff96;color:#63745c;display:grid;place-items:center;font-size:12px}.num.bad{background:#ecdccf;color:#8c624d;border-color:#dfbfaa}.num.good{background:#dce7d3;border-color:#b3c5a8}.backlink{padding:0;background:none;min-height:40px;color:var(--sage-dark);font-size:12px}.toast{position:absolute;left:24px;right:24px;bottom:95px;background:#34493bed;color:white;border-radius:15px;padding:13px 18px;font-size:12px;z-index:8;text-align:center;box-shadow:0 8px 20px #243c3924}.overlay{position:absolute;inset:0;background:#36463950;z-index:10;display:flex;align-items:flex-end}.sheet{background:#f4f5ee;width:100%;padding:24px;border-radius:28px 28px 0 0;box-shadow:0 -12px 30px #384a3321;max-height:85%;overflow:auto}.sheet h3{font-size:18px;margin-bottom:12px}.sheet p{font-size:12px;color:var(--muted);line-height:1.9;margin-bottom:17px}.sheet label{display:flex;align-items:center;gap:9px;padding:12px 0;font-size:14px}.sheet input[type=radio]{accent-color:var(--sage);width:18px;height:18px}.footer-note{max-width:1150px;margin:0 auto 30px;padding:0 36px;color:var(--muted);font-size:11px;line-height:2}
@media(max-width:1100px){.stage{grid-template-columns:1fr 408px;max-width:920px;gap:40px}.side{grid-column:1 / -1;display:flex;gap:30px;flex-wrap:wrap;padding-top:0}.side .rule{display:none}.side .flow-item{margin:0}.side .section{flex:1;min-width:160px}.intro h1{font-size:37px}}
@media(max-width:680px){body{background:#f1f3eb}.topbar,.intro,.side,.desktop-tag,.footer-note{display:none}.stage{display:block;padding:0;margin:0;max-width:none}.phone{border:0;border-radius:0;box-shadow:none;min-height:100dvh;max-width:480px;margin:auto}.status,.island{display:none}.prototype-label{padding-top:12px;margin-top:0;font-size:10px}.screen{min-height:calc(100dvh - 110px);padding-top:20px}.nav{padding-bottom:max(14px,env(safe-area-inset-bottom))}.question{font-size:18px}.toast{position:fixed;max-width:410px;margin:auto}.overlay{position:fixed;max-width:480px;margin:auto}.hero h2{font-size:27px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* Visual revision 02 — user-selected Neo-Brutalism reference. */
:root{--ink:#121212;--muted:#595953;--sage:#121212;--sage-dark:#121212;--clay:#f64d8c;--mist:#8663ef;--paper:#fcf9f3;--line:#121212;--shadow:4px 5px 0 #121212;--serif:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}
body{background:#ffd923}body:before{content:'';position:fixed;width:420px;height:420px;border-radius:50%;background:#f64d8c;left:-150px;top:190px;z-index:-1}body:after{content:'';position:fixed;inset:52% 0 0 35%;background:#8663ef;clip-path:polygon(100% 0,100% 100%,0 100%);z-index:-1}.topbar{padding-top:26px}.wordmark{font-weight:850;letter-spacing:1px}.brandmark{background:#fcf9f3;border:2px solid #121212;box-shadow:3px 3px 0 #121212;border-radius:8px;color:#121212;font-weight:900}.toplabel{letter-spacing:1px;font-weight:700;font-size:10px}.pill{border:2px solid #121212;border-radius:6px;background:#fcf9f3;color:#121212;box-shadow:2px 2px 0 #121212;font-weight:650}.intro{padding-top:85px}.intro h1{font-family:var(--serif);font-size:43px;font-weight:900;line-height:1.25;letter-spacing:-1.5px}.intro p{color:#242424;font-weight:500}.eyebrow{color:#121212;font-weight:750;letter-spacing:1px}.design-note{border-color:#121212;margin-top:28px}.intro .caption{font-weight:700;color:#121212}.colors span{border:2px solid #121212;box-shadow:2px 2px 0 #121212;border-radius:7px}.side{padding:26px 18px;background:#fcf9f3;border:2px solid #121212;box-shadow:6px 7px 0 #121212;border-radius:12px;margin-top:65px}.side h3{font-weight:800}.side p{color:#4c4c48}.side .rule{background:#121212}.side button{font-weight:750}.side a{color:#121212;font-weight:600}.flow-item b{color:#121212}.phone{border:3px solid #121212;border-radius:32px;background:#fcf9f3;box-shadow:13px 15px 0 #121212;backdrop-filter:none}.island{display:none}.status{padding:18px 23px 8px;font-size:13px}.prototype-label{color:#5c5c53;font-size:9px;letter-spacing:.1px;margin-top:0}.screen{padding:24px 20px 23px;min-height:686px}.screen header{margin-bottom:22px}.screen h1{font-size:33px;line-height:1.24;font-weight:900;letter-spacing:-1.2px}.top-actions{margin-bottom:23px}.round{border:2px solid #121212;background:#fffdf8;border-radius:8px;box-shadow:3px 4px 0 #121212;width:40px;height:40px;color:#121212}.round .icon{width:22px;height:22px;stroke-width:2}.icon{stroke-width:2!important}.greeting{font-size:11px;color:#575752}.continue-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#fcf9f3;padding:0;width:100%;border:0;text-align:left}.continue-bar>span:first-child{display:flex;gap:10px;align-items:center;min-height:49px;flex:1;border:2px solid #121212;box-shadow:4px 5px 0 #121212;border-radius:8px;font-size:12px;padding:10px 11px;min-width:0;background:#fff}.continue-bar b{font-size:22px}.plus{display:grid;place-items:center;width:49px;height:49px;flex-shrink:0;background:#ffd923;border:2px solid #121212;box-shadow:4px 5px 0 #121212;border-radius:8px;font-size:34px;line-height:1;font-weight:500}.section-label{margin-top:25px;margin-bottom:25px}.section-label h3{font-size:16px;font-weight:850}.section-label .small{font-size:10px}.bankgrid{gap:27px 15px}.bank{--folder:#ffd923;overflow:visible;min-height:124px;border:2px solid #121212;border-radius:10px;background:#fff;box-shadow:5px 6px 0 #121212;padding:12px 11px 11px}.bank:before{content:'';position:absolute;width:52%;height:14px;left:5px;top:-15px;border:2px solid #121212;border-bottom:0;border-radius:8px 10px 0 0;background:var(--folder);box-shadow:4px 0 0 #121212;z-index:0}.bank:nth-child(1){--folder:#ffd923}.bank:nth-child(2){--folder:#54c842}.bank:nth-child(3){--folder:#f64d8c}.bank:nth-child(4){--folder:#8663ef}.bank.selected{border:2px solid #121212;background:#fffcef}.bank .bank-icon{display:grid;place-items:center;background:var(--folder);border:2px solid #121212;border-radius:5px;width:37px;height:37px;color:#121212}.bank .banktop svg{width:22px;height:22px}.bank .check{font-size:10px;color:#121212;font-weight:600}.bank b{margin-top:12px;font-size:14px;font-weight:750}.bank small{font-size:9px;margin-top:4px;color:#585850}.shortcuts{gap:10px}.shortcut{border:2px solid #121212;box-shadow:4px 5px 0 #121212;border-radius:9px;min-height:80px;background:#ffd923;font-size:11px;padding:12px 3px;gap:8px}.shortcut:nth-child(2){background:#c1e73d}.shortcut:nth-child(3){background:#bca3ff}.shortcut svg{color:#121212}.quiet{color:#343430;font-size:11px;font-weight:550}.glass{background:#fffdf8;border:2px solid #121212;box-shadow:4px 5px 0 #121212;border-radius:12px;backdrop-filter:none}.daily{border:2px solid #121212}.meter{height:7px;background:#e3e2d9;border:1px solid #121212;border-radius:2px}.meter span{background:#b0d839;border-radius:0}.nav{background:#fcf9f3;border-top:2px solid #121212;padding:8px 14px 17px;backdrop-filter:none;gap:8px}.nav button{border:2px solid transparent;border-radius:7px;color:#55554f;font-size:10px;padding:7px 0;min-height:52px}.nav button.active{border-color:#121212;background:#ffd923;box-shadow:3px 3px 0 #121212;color:#121212}.nav button.active:after{display:none}.btn{border:2px solid #121212;background:#fffdf8;border-radius:8px;box-shadow:3px 4px 0 #121212;color:#121212;font-weight:700;font-size:13px}.btn.primary{background:#ffd923;border:2px solid #121212;color:#121212;box-shadow:4px 5px 0 #121212}.badge{border:1.5px solid #121212;border-radius:4px;background:#c1e73d;color:#121212;font-weight:700}.question{font-weight:650;line-height:1.8}.option{background:#fff;border:2px solid #121212;box-shadow:3px 4px 0 #121212;border-radius:9px;margin:13px 0}.letter{border:1.5px solid #121212;border-radius:4px;color:#121212}.option.selected{border-color:#121212;background:#fff0a0}.option.selected .letter{background:#ffd923;color:#121212;border-color:#121212}.option.correct{background:#dcf0af;border-color:#121212}.option.incorrect{background:#fbd4e0;border-color:#121212}.answer{background:#faf5d5;border:2px solid #121212;box-shadow:4px 5px 0 #121212;border-radius:10px}.answer .reference{border-color:#c6c2a9}.quizmeta{margin-top:22px}.minihead{font-weight:700}.tabs{background:none;border:2px solid #121212;border-radius:9px;padding:4px;box-shadow:3px 4px 0 #121212}.tabs button{border-radius:5px;font-weight:600}.tabs button.active{background:#ffd923;box-shadow:none;color:#121212}.review-item{border:2px solid #121212;border-radius:10px;box-shadow:4px 5px 0 #121212;background:#fff;margin:18px 0}.empty h3{font-weight:750}.empty .round{background:#c1e73d}.avatar{background:#8663ef;border:2px solid #121212;box-shadow:4px 5px 0 #121212;border-radius:10px;color:#121212;font-weight:850}.statgrid strong{font-weight:850;font-size:27px}.setting{border-bottom:1px solid #121212}.setting select{border:2px solid #121212;border-radius:5px;background:#fffef8;font-size:13px}.examhero{background:#bba2ff;border:2px solid #121212;border-radius:12px;box-shadow:5px 6px 0 #121212}.examhero .orb{background:#ffd923;border:2px solid #121212;box-shadow:4px 5px 0 #121212}.examhero h2{font-weight:850;color:#121212}.examhero p{color:#28252d}.examsettings{margin-top:28px}.resultscore{font-weight:900;color:#121212}.num{border:2px solid #121212;box-shadow:2px 3px 0 #121212;border-radius:5px;background:#fffdf8;color:#121212}.num.good{background:#c1e73d;border-color:#121212}.num.bad{background:#f69bc0;border-color:#121212}.sheet{background:#fcf9f3;border:3px solid #121212;border-radius:18px 18px 0 0;box-shadow:0 -5px 0 #121212}.sheet input[type=radio]{accent-color:#121212}.toast{background:#121212;border-radius:7px;border:2px solid #121212;box-shadow:4px 5px 0 #8663ef}.desktop-tag{color:#121212;font-weight:600;font-size:10px}.desktop-tag:before{background:#121212}.footer-note{color:#242424}.side .flow-item{gap:10px}
@media(max-width:1100px){.side{margin-top:0;grid-column:1 / -1}.stage{gap:36px}.intro h1{font-size:39px}}
@media(max-width:680px){body{background:#fcf9f3}body:before,body:after{display:none}.phone{border:0;border-radius:0;box-shadow:none}.screen{padding:22px 19px}.prototype-label{padding-top:9px;margin-left:19px;font-size:9px}.screen h1{font-size:34px}.nav{padding-bottom:max(14px,env(safe-area-inset-bottom))}.bankgrid{gap:25px 14px}.section-label{margin-top:25px}.side{display:none}}

/* UI 03: modes first, independent categories, confirmed selection and local import. */
.question-range-label{display:block;font-size:12px;font-weight:650;margin:16px 0 8px}.question-range-select{display:block;width:100%;min-height:44px;padding:10px;border:2px solid #121212;border-radius:7px;background:#fffdf8;color:#121212;font-size:16px}.question-nav-caption{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:9px;font-size:12px}.question-nav-paging{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin-top:20px}.question-nav-paging>span{font-size:11px;white-space:nowrap}.question-nav-paging .btn{padding:10px 8px;font-size:12px}.question-number-grid{gap:12px 9px}.question-number-grid .num{min-height:44px;font-variant-numeric:tabular-nums}.question-number-grid .current-question{outline:3px solid #ffd923;outline-offset:2px}.question-nav-legend{margin-top:18px!important;margin-bottom:0!important}.question-number-grid .num:focus-visible{outline:3px solid #8663ef;outline-offset:2px}
.mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.mode-card{border:2px solid #121212;box-shadow:5px 6px 0 #121212;border-radius:10px;background:#ffd923;text-align:left;padding:15px 13px;min-height:133px;min-width:0}
.mode-card:nth-child(2){background:#c1e73d}.mode-card:nth-child(3){background:#bca3ff}.mode-card:nth-child(4){background:#ffa6c8}
.mode-card h3{font-size:17px;font-weight:800;margin:13px 0 6px}.mode-card p{font-size:10px;color:#36352c;line-height:1.6}.mode-index{font-size:11px;font-weight:750}
.upload-link{border:2px solid #121212;box-shadow:2px 3px 0 #121212;border-radius:5px;background:#fffdf7;padding:8px 10px;min-height:42px;font-size:11px;font-weight:700}
.selected-bank-note{font-size:12px;line-height:1.8;background:#fff1a2;border:1.5px solid #121212;border-radius:7px;padding:11px 12px;margin:-5px 0 30px;overflow-wrap:anywhere}.selected-bank-note span{font-size:10px;color:#525048}
.bank b{overflow-wrap:anywhere}.bank small{line-height:1.6}.bank:nth-child(n):before{background:var(--folder)}.bank:nth-child(n) .bank-icon{background:var(--folder)}
.picker-grid{margin-top:30px;gap:28px 14px}.picker-grid .bank{min-height:119px}.picker-grid .bank b{font-size:13px}.picker-grid .bank small{font-size:10px}
.confirm-bank{border:2px solid #121212;border-radius:8px;box-shadow:4px 5px 0 #121212;background:#ffd923;display:flex;gap:14px;align-items:center;margin:22px 0;padding:19px 15px;font-size:20px;overflow-wrap:anywhere}.confirm-bank strong{min-width:0}.confirm-details{margin:18px 0}.confirm-details p{margin-bottom:8px;font-size:13px;color:#333}
.category-list{display:grid;gap:18px;margin-top:27px}.category-card{display:flex;align-items:center;gap:14px;border:2px solid #121212;border-radius:11px;box-shadow:5px 6px 0 #121212;text-align:left;background:#fff;padding:21px 15px;min-height:132px}.category-card:nth-child(1){background:#fff1a2}.category-card:nth-child(2){background:#d9f1a4}.category-card:nth-child(3){background:#e2d7ff}.category-card>div{flex:1;min-width:0}.category-card h3{font-size:20px;font-weight:850}.category-card p{font-size:11px;margin:7px 0;color:#47463e}.category-card b{font-size:12px}.category-number{font-size:24px;font-weight:900}.category-card>.icon{width:20px}
.upload-zone{border:2px dashed #121212;border-radius:13px;padding:26px 21px;background:#fff0a1;text-align:center}.upload-zone>.icon{width:34px;height:34px;margin-bottom:13px}.upload-zone h3{font-size:20px;font-weight:800}.upload-zone p{font-size:12px;color:#414139;margin:12px 0 21px}.file-input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}.import-guide{padding:17px;margin-top:25px;box-shadow:none}.import-guide pre{font-size:12px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;margin:12px 0;background:#f2f0e9;padding:12px;border-radius:6px}.import-error{border:2px solid #121212;border-radius:8px;padding:13px;background:#ffd3df;font-size:12px;margin:18px 0;overflow-wrap:anywhere}
.import-name{display:grid;gap:8px;font-size:13px;font-weight:700}.import-name input{border:2px solid #121212;border-radius:7px;background:#fff;padding:12px;color:#121212;font-size:16px;min-width:0;width:100%}.import-stats{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid #121212;border-radius:9px;box-shadow:4px 5px 0 #121212;margin:18px 0;padding:18px 8px;text-align:center;background:#fff}.import-stats b{display:block;font-size:26px;font-weight:850}.import-stats small{font-size:10px;color:#595950}.import-question{border:2px solid #121212;border-radius:10px;padding:14px;margin:18px 0;background:#fff}.import-question p{font-size:13px;line-height:1.8;margin-top:12px;overflow-wrap:anywhere}.import-question select{border:1.5px solid #121212;border-radius:5px;font-size:12px;padding:7px;color:#121212;background:#fffdf8;max-width:132px}.import-question summary{font-size:11px;margin-top:12px;color:#555;cursor:pointer}.import-question .badge{font-size:10px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.sheet{max-height:90dvh}.overlay{position:fixed;z-index:30;align-items:flex-end}.sheet .btn{min-height:46px}.round{min-width:44px;min-height:44px}.quizmeta{gap:10px}.quizmeta .badge{font-size:10px}.quizmeta>.muted{white-space:nowrap}.minihead{max-width:220px;overflow-wrap:anywhere}.section-label{gap:12px}
@media(min-width:681px){.overlay{inset:0;background:#12121255;align-items:center;justify-content:center}.sheet{width:min(450px,calc(100vw - 40px));border-radius:16px;box-shadow:8px 9px 0 #121212;max-height:88vh}}
@media(max-width:360px){.mode-card{padding:13px 10px;min-height:124px}.mode-card h3{font-size:16px}.mode-card p{font-size:9px}.mode-grid{gap:13px}.category-card{gap:10px;padding:18px 11px}.category-card h3{font-size:18px}.category-card p{font-size:10px}.category-number{font-size:22px}.sheet{padding:20px 16px}.bank b{font-size:13px}}

.mode-card:nth-child(5){grid-column:1 / -1;background:#fffdf8;min-height:110px}.mode-card:nth-child(5) h3{margin-top:9px}
.review-bank-picker{padding:15px;border:2px solid #121212;border-radius:10px;background:#fffdf8;box-shadow:4px 5px 0 #121212;margin:20px 0}.review-bank-picker label{display:block;font-size:12px;font-weight:750;margin-bottom:9px}.review-bank-picker select{width:100%;min-height:44px;border:2px solid #121212;border-radius:6px;padding:9px;background:#fff1a2;color:#121212;font-size:15px}.review-bank-picker p{font-size:11px;line-height:1.7;color:#595950;margin:10px 0 0}.review-category-filter{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:18px 0 23px}.review-category-filter button{border:1.5px solid #121212;border-radius:6px;padding:10px 8px;min-height:44px;background:#fffdf8;font-size:12px}.review-category-filter button.active{background:#c1e73d;box-shadow:2px 3px 0 #121212;font-weight:700}.review-category-filter span{margin-left:5px;font-variant-numeric:tabular-nums}


/* Approved visual language, with a single production app surface. */
body{background:#ffd923;min-height:100dvh}body:before{left:-230px;top:20vh}body:after{inset:55% 0 0 45%}
.app-brand{max-width:520px;margin:24px auto 18px;display:flex;align-items:center;gap:12px;font-size:22px;font-weight:850;letter-spacing:1px}.app-brand small{font-size:11px;font-weight:500;letter-spacing:0}.app-shell{max-width:520px;margin:0 auto 36px;padding:0 10px}.phone{border-radius:23px;min-height:calc(100dvh - 100px)}.screen{padding:25px 23px 112px;min-height:calc(100dvh - 100px)}
#nav{position:fixed;z-index:20;bottom:0;left:50%;transform:translateX(-50%);width:min(494px,100%);border:2px solid #121212;border-bottom:0;border-radius:12px 12px 0 0;padding:8px 14px max(12px,env(safe-area-inset-bottom));box-shadow:0 -3px 0 #12121214}
#save-status{position:sticky;top:0;background:#ffd3df;color:#121212;padding:12px 16px;border-bottom:2px solid #121212;font-size:12px;z-index:25}#save-status[hidden]{display:none}.resume-card{display:flex;align-items:center;justify-content:space-between;gap:15px;width:100%;padding:14px 16px;margin:20px 0 0;background:#fff1a2;border:2px solid #121212;border-radius:9px;box-shadow:4px 5px 0 #121212;text-align:left}.resume-card b{display:block;font-size:14px}.resume-card small{display:block;font-size:11px;margin-top:5px}
.review-open{width:100%;padding:0;background:none;text-align:left}.review-item{padding:17px}.master-button{margin-top:14px;border:1.5px solid #121212;background:#fff1a2;border-radius:6px;padding:9px 11px;min-height:42px;font-size:12px}.settings-list{padding:0 17px;box-shadow:none;margin-top:22px}.settings-list button.setting{background:none;text-align:left}.share-link{display:block;width:100%;font-size:16px;padding:13px;border:2px solid #121212;border-radius:7px;margin:18px 0;background:#fffdf7;min-width:0}
.toast{position:fixed;left:50%;right:auto;transform:translateX(-50%);width:calc(100% - 36px);max-width:450px;bottom:95px;z-index:40}.question{white-space:pre-wrap}.option span:last-child{white-space:pre-wrap;overflow-wrap:anywhere;min-width:0}.quizactions{position:sticky;bottom:88px;background:#fcf9f3;padding:12px 0 15px;z-index:5}.quizactions:before{content:'';position:absolute;inset:0 -24px;background:#fcf9f3;border-top:1px solid #deded6;z-index:-1}.quizmeta .badge{font-size:10px}.question-number-grid .num{font-size:12px}.answer .reference{font-size:11px}.empty p{font-size:13px}.bank small{font-size:10px}.mode-card p{font-size:11px}.mode-card h3{font-size:18px}
.sheet{padding-bottom:max(24px,env(safe-area-inset-bottom));overscroll-behavior:contain}.sheet h3{overflow-wrap:anywhere}.sheet .btn{margin-bottom:4px}body:has(.overlay){overflow:hidden}.history-date{font-size:12px}
@media(max-width:680px){body{background:#fcf9f3}.app-brand{display:none}.app-shell{padding:0;margin:0;max-width:520px}.phone{border:0;border-radius:0;box-shadow:none;min-height:100dvh}.screen{padding:24px 20px 116px;min-height:100dvh}#nav{width:min(520px,100%);border-left:0;border-right:0;border-radius:0}.screen h1{font-size:34px}}
@media(max-width:360px){.screen{padding-left:16px;padding-right:16px}.mode-card p{font-size:10px}.mode-card h3{font-size:16px}.question{font-size:18px}.quizmeta{align-items:flex-start;gap:7px}.quizmeta .badge{max-width:68%;white-space:normal}.quizactions:before{inset:0 -16px}.mode-grid{gap:13px}}