/* NUANCE — a quiet artist's edition, made for the hand. */
:root {
  color-scheme: light;
  --paper:#f5f3eb; --surface:#fbfaf4; --ink:#181918; --muted:#64665d; --line:#d6d7cc;
  --accent:#d9f64d; --accent-ink:#202509; --art-bg:#e4e4da; --inverse:#f7f5ed;
  --error:#9f301f; --error-bg:#fae9df; --success:#526e22; --overlay:rgba(19,21,17,.48);
  --font:-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
  --safe-bottom:env(safe-area-inset-bottom,0px);
}
:root[data-theme="dark"] {
  color-scheme:dark; --paper:#1b1d19; --surface:#24261f; --ink:#f1f1e7; --muted:#b1b6a5; --line:#44483b;
  --accent:#d4eb58; --accent-ink:#202509; --art-bg:#30352a; --inverse:#202219;
  --error:#ffb99d; --error-bg:#452a20; --success:#b2d66c; --overlay:rgba(0,0,0,.65);
}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--paper:#1b1d19;--surface:#24261f;--ink:#f1f1e7;--muted:#b1b6a5;--line:#44483b;--accent:#d4eb58;--accent-ink:#202509;--art-bg:#30352a;--inverse:#202219;--error:#ffb99d;--error-bg:#452a20;--success:#b2d66c;--overlay:rgba(0,0,0,.65);}}
*{box-sizing:border-box}
html{scroll-behavior:auto;scroll-padding-top:28px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.5 var(--font);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit}
button,a,select{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:disabled{cursor:default;opacity:.6}
button,a,input,select,summary{touch-action:manipulation}
a{color:inherit;text-underline-offset:4px}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--ink);outline-offset:4px}
button{color:var(--ink)}
[hidden]{display:none!important}
img{display:block;max-width:100%}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-weight:600}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:16px;top:-100px;z-index:100;background:var(--accent);color:var(--accent-ink);padding:12px 20px}
.skip-link:focus{top:12px}
#app-shell{max-width:1280px;margin:0 auto;padding:0 48px}
.site-header{height:100px;display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--line)}
.brand{font-size:32px;line-height:1;font-weight:700;letter-spacing:-1.8px;text-decoration:none}
.edition-label{font:400 11px/1.4 var(--mono);letter-spacing:1px;color:var(--muted);margin-right:auto}
.offline-indicator{display:flex;align-items:center;gap:8px;background:none;border:0;padding:12px 0 12px 12px;font-size:12px;min-height:44px;white-space:nowrap}
.status-dot{height:7px;width:7px;display:inline-block;border:1px solid var(--muted);border-radius:50%;flex-shrink:0}
.offline-indicator.is-ready .status-dot{background:var(--success);border-color:var(--success)}
.offline-indicator.is-downloading .status-dot{background:var(--accent);border-color:var(--accent-ink)}
.main-nav{display:flex;align-items:center;gap:32px;min-height:66px;border-bottom:1px solid var(--line)}
.main-nav a{font-size:14px;text-decoration:none;padding:20px 0 17px;border-bottom:3px solid transparent;color:var(--muted)}
.main-nav a[aria-current="page"]{border-bottom-color:var(--ink);color:var(--ink)}
.main-content{min-height:55vh;outline:none}
.site-footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:72px;padding:20px 0 28px;border-top:1px solid var(--line);font:400 11px/1.4 var(--mono);letter-spacing:.8px;color:var(--muted)}
.eyebrow{display:block;font:400 11px/1.5 var(--mono);letter-spacing:1px;text-transform:uppercase;color:var(--muted)}
.section-title{font-size:clamp(38px,5vw,68px);line-height:1.04;letter-spacing:-.06em;margin:15px 0 22px;overflow-wrap:anywhere}
.page-intro{max-width:660px;margin:0 0 32px;color:var(--muted);font-size:17px;line-height:1.6}
.page-head{padding:44px 0 8px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:12px;min-height:50px;padding:13px 20px;background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:2px;text-decoration:none;font-size:15px;line-height:1.4}
.btn:hover:not(:disabled){border-color:var(--ink)}
.btn-primary{background:var(--ink);border-color:var(--ink);color:var(--inverse)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn-quiet{border:0;padding:11px 0;justify-content:flex-start;background:none;min-height:44px}
.btn-small{min-height:44px;font-size:13px;padding:10px 15px}
.btn-danger{border-color:var(--error);color:var(--error)}
.btn-block{width:100%}
.button-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.arrow{font-size:23px;line-height:1;font-weight:400}
.btn-primary .arrow{margin-left:auto}
.subtle-link{font-size:13px;color:var(--muted)}
.inline-link{border:0;background:transparent;text-decoration:underline;padding:8px 0;min-height:44px;color:var(--ink);font-size:14px}
.home-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:80px;align-items:start;padding:50px 0 0}
.home-headline{font-size:clamp(56px,6.4vw,87px);line-height:.98;letter-spacing:-.072em;margin:25px 0 34px;font-weight:650}
.home-headline span{white-space:nowrap}
.home-copy{max-width:380px;font-size:17px;color:var(--muted);margin-bottom:30px}
.learning-start{max-width:410px}
.field-label{display:block;font-size:12px;color:var(--muted);margin-bottom:9px}
.segmented{display:flex;border:1px solid var(--line);padding:3px;gap:3px;margin-bottom:14px}
.segmented button{min-height:45px;padding:10px 9px;flex:1;border:0;background:transparent;color:var(--muted);font-size:12px;line-height:1.4}
.segmented button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.start-button{font-size:17px;min-height:58px;text-align:left;justify-content:space-between;padding:16px 20px}
.round-note{font-size:12px;color:var(--muted);line-height:1.6;margin:12px 0 0}
.resume-note{border-left:3px solid var(--accent);padding:3px 0 3px 14px;margin:0 0 20px;font-size:14px;color:var(--muted)}
.hero-word{margin:0;padding-top:0;position:relative}
.hero-word a{text-decoration:none}
.artwork{position:relative;overflow:hidden;background:var(--art-bg);aspect-ratio:1;isolation:isolate}
.artwork>img{height:100%;width:100%;object-fit:cover;display:block}
.artwork.artwork-grid>img{position:absolute;width:calc(var(--cols)*100%);height:calc(var(--rows)*100%);max-width:none;left:calc(var(--col)*-100%);top:calc(var(--row)*-100%);object-fit:fill}
.artwork-fallback{display:none;position:absolute;inset:0;padding:24px;align-items:center;justify-content:center;text-align:center;background:var(--art-bg);color:var(--muted);font-size:13px}
.artwork.has-error>img{visibility:hidden}
.artwork.has-error .artwork-fallback{display:flex}
.hero-caption{display:flex;align-items:flex-start;gap:16px;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--line)}
.hero-caption .number{font:400 11px/1.5 var(--mono);color:var(--muted);display:block;margin-top:4px;white-space:nowrap}
.hero-caption .hero-word-name{font-size:26px;line-height:1.1;letter-spacing:-.9px;overflow-wrap:anywhere}
.hero-caption small{font-size:12px;display:block;margin-top:8px;color:var(--muted)}
.hero-caption .arrow{margin-left:auto;margin-top:2px}
.home-bottom{margin-top:48px;border-top:1px solid var(--line);padding-top:20px;display:flex;gap:28px;justify-content:space-between;align-items:center}
.home-bottom p{margin:0;font-size:13px;color:var(--muted);max-width:580px}
.collection-tools{margin:18px 0 28px}
.search-box{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--ink);max-width:620px;margin-bottom:18px}
.search-box input{width:100%;min-height:54px;background:transparent;color:var(--ink);border:0;padding:12px 0;font-size:18px;border-radius:0;outline-offset:2px}
.search-mark{font-size:24px;line-height:1;flex-shrink:0}
.filter-toggle{margin-right:12px}
.filter-row{display:flex;flex-wrap:wrap;gap:12px;align-items:end;padding:12px 0 4px}
.select-field{display:flex;flex-direction:column;gap:5px;min-width:155px;flex:1;max-width:260px;font-size:12px;color:var(--muted)}
.select-field select{min-height:45px;border:1px solid var(--line);color:var(--ink);background:var(--surface);padding:9px 30px 9px 12px;border-radius:2px;font-size:14px;max-width:100%}
.filter-checkbox{display:inline-flex;gap:8px;align-items:center;min-height:44px;font-size:13px;color:var(--muted)}
.filter-checkbox input{height:18px;width:18px;accent-color:var(--ink)}
.collection-count{font:400 11px/1.5 var(--mono);letter-spacing:.4px;color:var(--muted);padding:13px 0;border-top:1px solid var(--line)}
.word-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px 22px}
.collection-card{min-width:0;position:relative}
.collection-card>a{display:block;text-decoration:none}
.collection-card .artwork{transition:filter .15s}
.collection-card>a:hover .artwork{filter:brightness(1.04)}
.collection-card-caption{padding:12px 28px 0 0}
.collection-card h2{margin:0;font-size:20px;font-weight:500;letter-spacing:-.5px;line-height:1.2;overflow-wrap:anywhere}
.collection-card .word-meta{font-size:11px;color:var(--muted);margin-top:6px}
.favorite-button{background:var(--paper);border:1px solid var(--line);min-height:40px;min-width:40px;display:flex;align-items:center;justify-content:center;font-size:25px;line-height:1;border-radius:0;padding:5px;color:var(--ink)}
.collection-card .favorite-button{position:absolute;right:8px;top:8px;min-height:36px;min-width:36px;font-size:21px;opacity:.94}
.favorite-button[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.collection-more{margin-top:36px;display:flex;justify-content:center}
.empty-state{padding:44px 0;border-top:1px solid var(--line);max-width:630px}
.empty-state h2{font-size:28px;letter-spacing:-1px;line-height:1.2;margin-bottom:14px}
.empty-state p{color:var(--muted);margin-bottom:22px}
.word-detail-header{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 0}
.back-link{text-decoration:none;font-size:13px;display:inline-flex;align-items:center;gap:10px;min-height:44px}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding-top:10px}
.word-detail-title{font-size:clamp(40px,5.2vw,72px);line-height:1.03;letter-spacing:-.05em;margin:15px 0 24px;overflow-wrap:anywhere;hyphens:auto}
.article{font-size:.5em;font-weight:400;letter-spacing:-.02em;color:var(--muted)}
.word-meaning{font-size:24px;line-height:1.4;letter-spacing:-.5px;margin:0 0 22px}
.word-example{font-size:16px;color:var(--muted);border-left:2px solid var(--line);padding-left:18px;line-height:1.65;margin:0 0 28px}
.word-facts{display:grid;gap:16px;margin:0}
.word-facts>div{padding-top:15px;border-top:1px solid var(--line)}
.word-facts dt{font:400 10px/1.5 var(--mono);letter-spacing:.7px;color:var(--muted);text-transform:uppercase;margin-bottom:5px}
.word-facts dd{margin:0;font-size:15px;line-height:1.6}
.source-link{font-size:12px;min-height:44px;display:inline-flex;align-items:center;margin-top:15px;color:var(--muted)}
.source-link[aria-disabled="true"]{opacity:.65}
.detail-metadata{display:flex;gap:8px 20px;flex-wrap:wrap;margin-top:18px;font-size:12px;color:var(--muted)}
.detail-progress{display:flex;flex-wrap:wrap;gap:12px 24px;margin:24px 0 0;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.is-study .main-nav,.is-study .site-footer{display:none}
.is-study .site-header{height:76px}
.is-study .edition-label{display:none}
.is-study .brand{font-size:25px;margin-right:auto}
.is-study .offline-indicator{font-size:11px}
.study-wrap{max-width:690px;margin:0 auto;padding-bottom:calc(22px + var(--safe-bottom))}
.study-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:13px 0 15px}
.study-toolbar button{background:none;border:0;font-size:13px;padding:10px 0;min-height:44px;color:var(--muted)}
.study-count{font:400 12px/1.5 var(--mono);color:var(--muted);white-space:nowrap}
.study-progress{height:3px;background:var(--line);margin-bottom:28px}
.study-progress>span{display:block;height:3px;background:var(--ink);transition:width .2s}
.study-direction{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:0;font:400 11px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.7px;color:var(--muted)}
.study-front{padding:0 0 26px;min-height:340px;display:flex;flex-direction:column}
.study-word{font-size:clamp(38px,calc(11vw * var(--word-scale,1)),88px);line-height:1.03;letter-spacing:-.06em;font-weight:650;margin:66px 0 42px;overflow-wrap:anywhere;hyphens:auto}
.study-word .article{display:block;margin-bottom:10px}
.study-definition{font-size:clamp(28px,4.8vw,43px);line-height:1.2;letter-spacing:-.04em;font-weight:500;margin:46px 0 32px}
.study-prompt{font-size:14px;color:var(--muted);margin-top:auto;margin-bottom:24px}
.study-hint{max-width:250px;margin:0 0 26px}
.study-hint-button{font-size:12px;color:var(--muted);background:none;border:0;min-height:44px;text-decoration:underline;text-underline-offset:3px;align-self:flex-start;padding:10px 0}
.study-flip{min-height:58px;width:100%;font-size:17px}
.study-back{padding-top:25px;animation:card-appear .18s ease-out}
.study-back .artwork{max-width:380px;margin:0 auto 30px}
.study-answer-heading{display:flex;gap:18px;justify-content:space-between;align-items:start}
.study-back h1{font-size:clamp(36px,6vw,57px);line-height:1.05;letter-spacing:-.05em;margin:0 0 18px;overflow-wrap:anywhere;hyphens:auto}
.study-back .word-meaning{font-size:22px;max-width:630px;margin-bottom:18px}
.study-back .word-example{font-size:15px;line-height:1.65;margin-bottom:18px}
.word-extra{border-top:1px solid var(--line);margin:22px 0 12px}
.word-extra summary{padding:16px 0;min-height:48px;font-size:13px;cursor:pointer;color:var(--muted)}
.word-extra .word-facts{padding-bottom:15px}
.rating-area{position:sticky;bottom:0;background:var(--paper);padding:15px 0 calc(14px + var(--safe-bottom));border-top:1px solid var(--line);margin-top:22px;z-index:3}
.rating-question{font-size:12px;color:var(--muted);margin:0 0 10px;text-align:center}
.ratings{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.ratings button{min-height:55px;padding:12px 5px;font-size:14px;border:1px solid var(--line);border-radius:2px;background:var(--paper);color:var(--ink)}
.ratings button:last-child{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.hint-note{font-size:12px;color:var(--muted);margin:5px 0 15px}
.round-summary{padding:60px 0 15px;max-width:700px;margin:0 auto}
.round-summary h1{font-size:clamp(49px,8vw,83px);line-height:.98;letter-spacing:-.065em;margin:25px 0 30px}
.summary-copy{font-size:18px;line-height:1.6;color:var(--muted);max-width:540px;margin-bottom:35px}
.summary-numbers{display:flex;gap:40px;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin:0 0 34px}
.summary-numbers strong{display:block;font-size:36px;letter-spacing:-1.5px;font-weight:500;line-height:1.1}
.summary-numbers span{font-size:12px;color:var(--muted)}
.progress-top{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:end;margin:20px 0 45px}
.large-number{font-size:clamp(80px,11vw,150px);letter-spacing:-.075em;line-height:.95;font-weight:600}
.large-number small{font-size:25px;letter-spacing:-1px;font-weight:400;color:var(--muted)}
.progress-caption{margin:18px 0 16px;color:var(--muted);font-size:14px}
.track{height:6px;background:var(--line)}
.track>span{display:block;height:6px;background:var(--ink)}
.progress-aside{padding:0 0 3px;max-width:420px}
.progress-aside p{font-size:17px;line-height:1.65;margin:0;color:var(--muted)}
.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin-bottom:40px}
.stat strong{display:block;font-size:35px;letter-spacing:-1.4px;font-weight:500}
.stat span{font-size:12px;color:var(--muted)}
.progress-sections{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.subheading{font-size:20px;letter-spacing:-.6px;font-weight:500;margin-bottom:23px}
.direction-table{border-collapse:collapse;width:100%;font-size:13px}
.direction-table th{text-align:left;font-weight:400;color:var(--muted);font-size:11px;border-bottom:1px solid var(--line);padding:0 0 10px}
.direction-table td{padding:15px 0;border-bottom:1px solid var(--line)}
.direction-table td:not(:first-child),.direction-table th:not(:first-child){text-align:right;padding-left:14px;font-variant-numeric:tabular-nums}
.small-note{font-size:12px;color:var(--muted);line-height:1.6;margin:15px 0 0}
.week-bars{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:14px;align-items:end;height:180px;margin-top:28px}
.week-day{display:flex;flex-direction:column;justify-content:end;align-items:center;height:100%;min-width:0}
.week-value{font:400 11px/1.5 var(--mono);color:var(--muted);margin-bottom:9px}
.week-bar{width:100%;max-width:36px;min-height:2px;background:var(--ink);height:var(--bar-height)}
.week-day.is-today .week-bar{background:var(--accent)}
.week-label{font-size:11px;color:var(--muted);margin-top:12px}
.settings-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:70px;padding-top:8px}
.settings-section{border-top:1px solid var(--line);padding:24px 0 28px}
.settings-section h2{font-size:21px;letter-spacing:-.6px;font-weight:500;margin-bottom:18px}
.settings-section p{font-size:14px;color:var(--muted);line-height:1.65}
.settings-field{display:flex;align-items:center;gap:25px;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.settings-field select{max-width:55%;min-height:43px;padding:8px 30px 8px 10px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:2px;font-size:13px}
.settings-field span small{display:block;font-size:11px;color:var(--muted);margin-top:3px}
.settings-buttons{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0}
.install-steps{padding-left:22px;margin:18px 0 20px;color:var(--muted);font-size:14px;line-height:1.8}
.install-steps li{padding-left:5px;margin-bottom:6px}
.about-note{font-size:12px!important;line-height:1.7!important}
.offline-layout{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding-top:15px}
.offline-panel{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0}
.offline-panel h2{font-size:28px;line-height:1.15;letter-spacing:-1px;margin:0 0 16px}
.offline-size{font-size:14px;color:var(--muted);margin-bottom:24px}
.offline-meter{margin:18px 0 24px}
.offline-meter-head{display:flex;justify-content:space-between;gap:20px;font:400 12px/1.5 var(--mono);color:var(--muted);margin-bottom:12px}
.offline-track{height:7px;background:var(--line)}
.offline-track>span{height:7px;display:block;background:var(--ink);width:0;transition:width .2s}
.offline-facts{list-style:none;margin:24px 0;padding:0}
.offline-facts li{display:flex;gap:15px;font-size:14px;line-height:1.6;padding:10px 0;border-bottom:1px solid var(--line)}
.offline-facts li span:first-child{color:var(--muted);font:400 11px/1.6 var(--mono);margin-top:2px;min-width:25px}
.offline-error{font-size:13px;color:var(--error);background:var(--error-bg);padding:14px 16px;line-height:1.6;margin:15px 0}
.offline-explainer{padding:0 0 20px}
.offline-explainer h2{font-size:23px;line-height:1.3;letter-spacing:-.6px}
.offline-explainer p{color:var(--muted);font-size:15px;line-height:1.7}
.is-installed-note{display:flex;align-items:center;gap:8px;color:var(--success);font-size:13px;margin:10px 0}
.loading-view,.error-view{padding:75px 0;max-width:650px}
.loading-view h1,.error-view h1{font-size:clamp(45px,7vw,78px);line-height:1.05;letter-spacing:-.06em;margin:22px 0}
.loading-view p,.error-view p{font-size:17px;color:var(--muted);line-height:1.6}
.loading-line{height:3px;max-width:180px;background:var(--line);position:relative;overflow:hidden;margin-top:35px}
.loading-line::after{content:'';position:absolute;width:60%;height:100%;background:var(--ink);animation:loading 1.4s ease-in-out infinite}
.persistent-warning{background:var(--error-bg);color:var(--error);font-size:13px;padding:14px 16px;line-height:1.6;margin-top:14px}
.persistent-warning button{font:inherit;text-decoration:underline;min-height:35px;margin-left:12px;padding:0;background:none;border:0;color:inherit}
.update-banner{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:12px 16px;margin-top:14px;background:var(--accent);color:var(--accent-ink);font-size:13px}
.update-banner button{background:none;border:0;color:inherit;text-decoration:underline;min-height:36px;font-size:13px}
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--inverse);padding:14px 20px;max-width:min(560px,calc(100vw - 32px));width:max-content;font-size:13px;line-height:1.6;z-index:25;box-shadow:0 6px 35px rgba(0,0,0,.12)}
dialog{color:var(--ink);background:var(--paper);border:1px solid var(--line);width:min(510px,calc(100vw - 28px));max-height:calc(100dvh - 44px);overflow:auto;border-radius:3px;padding:30px;box-shadow:0 25px 100px rgba(0,0,0,.2)}
dialog::backdrop{background:var(--overlay)}
dialog h2{font-size:29px;line-height:1.15;letter-spacing:-1.1px;margin:6px 0 20px}
dialog p{font-size:14px;color:var(--muted);line-height:1.65}
dialog .dialog-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;margin-top:24px}
dialog .dialog-input{width:100%;min-height:47px;font-size:16px;padding:10px 12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:2px;margin-top:8px}
dialog .dialog-checkbox{display:flex;gap:9px;align-items:center;font-size:13px;color:var(--muted);min-height:44px}
dialog .dialog-checkbox input{width:18px;height:18px;accent-color:var(--ink)}
dialog .import-preview{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;display:flex;gap:25px;margin:20px 0}
dialog .import-preview strong{font-size:25px;font-weight:500;display:block;letter-spacing:-1px}
dialog .import-preview span{font-size:12px;color:var(--muted)}
.noscript-message{padding:40px;margin:20px;border:1px solid var(--line);font-size:18px}
@keyframes loading{0%{transform:translateX(-110%)}100%{transform:translateX(180%)}}
@keyframes card-appear{from{opacity:.4;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1550px){#app-shell{max-width:1370px}.home-grid{gap:100px}.home-headline{font-size:98px}}
@media(max-width:1000px){#app-shell{padding:0 30px}.home-grid{gap:40px}.home-headline{font-size:clamp(50px,6.8vw,76px)}.word-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.detail-grid{gap:35px}.settings-layout,.offline-layout{gap:40px}.progress-sections{gap:35px}.edition-label{font-size:10px}}
@media(max-width:760px){
  #app-shell{padding:0 22px}.site-header{height:78px;gap:15px}.brand{font-size:28px}.edition-label{display:none}.offline-indicator{margin-left:auto;font-size:11px}
  .main-nav{position:fixed;z-index:15;bottom:0;left:0;right:0;justify-content:space-around;gap:0;min-height:64px;padding:0 12px var(--safe-bottom);border-top:1px solid var(--line);border-bottom:0;background:var(--paper)}
  .main-nav a{padding:18px 8px 14px;min-height:60px;text-align:center;font-size:12px;border-bottom:0;border-top:3px solid transparent;min-width:60px}
  .main-nav a[aria-current="page"]{border-top-color:var(--ink);border-bottom:0}
  .main-content{padding-bottom:0}.site-footer{margin-top:46px;padding-bottom:calc(93px + var(--safe-bottom));font-size:11px;letter-spacing:.3px;gap:10px}
  .home-grid{grid-template-columns:1fr;gap:37px;padding-top:30px}.home-headline{font-size:clamp(52px,12.6vw,79px);margin:20px 0 23px;line-height:1.01}.home-copy{font-size:16px;margin-bottom:23px;max-width:490px}.learning-start{max-width:none}.segmented button{font-size:12px;padding:10px 8px}.hero-word{max-width:none}.hero-caption .hero-word-name{font-size:25px}.home-bottom{margin-top:30px;display:block}.home-bottom .btn{margin-top:9px}.home-bottom p{font-size:13px}
  .page-head{padding-top:32px}.section-title{font-size:47px;margin-top:15px}.page-intro{font-size:15px;line-height:1.7;margin-bottom:23px}.word-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 15px}.collection-card h2{font-size:19px}.collection-card-caption{padding-top:10px}.collection-card .word-meta{font-size:11px}.collection-card .favorite-button{min-height:38px;min-width:38px;right:6px;top:6px}.search-box input{font-size:17px}.filter-row{gap:10px}.select-field{max-width:none;min-width:calc(50% - 5px)}.select-field select{font-size:13px;padding-left:9px}.collection-tools{margin-bottom:17px}.collection-count{font-size:10px}.collection-more{margin-top:29px}
  .detail-grid{grid-template-columns:1fr;gap:27px;padding-top:0}.word-detail-header{padding-top:12px;padding-bottom:14px}.word-detail-title{font-size:46px;line-height:1.05;margin:15px 0 22px}.word-meaning{font-size:23px}.word-example{font-size:15px}.detail-metadata{font-size:11px;gap:8px 15px}
  .is-study .site-header{height:65px}.is-study .brand{font-size:24px}.study-toolbar{padding:8px 0 12px}.study-progress{margin-bottom:22px}.study-front{min-height:360px;padding-bottom:20px}.study-direction{font-size:10px;gap:12px}.study-word{margin:65px 0 45px;font-size:clamp(38px,calc(13.7vw * var(--word-scale,1)),70px)}.study-definition{font-size:32px;margin:45px 0 30px}.study-back{padding-top:20px}.study-back .artwork{max-width:340px;margin-bottom:27px}.study-back h1{font-size:43px}.study-back .word-meaning{font-size:21px}.ratings{gap:8px}.ratings button{min-height:53px;font-size:13px}.rating-area{padding-top:13px;padding-bottom:calc(13px + var(--safe-bottom))}.study-wrap{padding-bottom:0}.study-count{font-size:11px}.study-toolbar button{font-size:12px}.round-summary{padding-top:38px}.round-summary h1{font-size:60px}.summary-copy{font-size:16px}.summary-numbers{gap:30px}.summary-numbers strong{font-size:31px}
  .progress-top{grid-template-columns:1fr;gap:24px;margin-bottom:29px}.large-number{font-size:116px}.large-number small{font-size:23px}.progress-aside p{font-size:15px}.stats-grid{gap:20px;margin-bottom:29px}.stat strong{font-size:31px}.stat span{font-size:11px}.progress-sections{grid-template-columns:1fr;gap:38px}.week-bars{height:160px;gap:18px}.progress-caption{font-size:13px}.subheading{font-size:20px;margin-bottom:18px}
  .settings-layout,.offline-layout{grid-template-columns:1fr;gap:8px}.settings-field{font-size:13px;gap:15px}.settings-field select{font-size:12px;max-width:58%}.settings-section{padding-top:22px;padding-bottom:25px}.settings-buttons .btn{font-size:13px;padding-left:14px;padding-right:14px}.offline-layout{padding-top:4px}.offline-explainer{padding-top:24px}.offline-panel h2{font-size:27px}.offline-facts li{font-size:13px}.offline-size{font-size:13px}.offline-explainer p{font-size:14px}
  .toast{bottom:calc(80px + var(--safe-bottom));font-size:12px;padding:12px 16px}.is-study .toast{bottom:calc(15px + var(--safe-bottom))}.persistent-warning{font-size:12px;padding:12px}.persistent-warning button{margin-left:0;display:block}.update-banner{font-size:12px;padding:10px 12px}.update-banner button{font-size:12px;flex-shrink:0}.loading-view,.error-view{padding:55px 0}.loading-view p,.error-view p{font-size:15px}
  dialog{padding:24px;max-height:calc(100dvh - 34px)}dialog h2{font-size:28px}dialog .dialog-actions .btn{flex:1;min-width:110px;padding-left:12px;padding-right:12px;font-size:13px}
}
@media(max-width:365px){#app-shell{padding:0 16px}.brand{font-size:26px}.home-headline{font-size:49px}.segmented button{font-size:11px;padding:10px 5px}.section-title{font-size:41px}.word-grid{gap:24px 11px}.collection-card h2{font-size:17px}.collection-card .word-meta{font-size:11px}.word-detail-title{font-size:40px}.study-word{font-size:clamp(34px,calc(13.5vw * var(--word-scale,1)),56px)}.study-back h1{font-size:38px}.study-definition{font-size:29px}.study-back .word-meaning{font-size:20px}.offline-indicator{font-size:10px}.large-number{font-size:99px}.settings-field{font-size:12px}.main-nav a{font-size:11px;padding-left:6px;padding-right:6px}.summary-numbers{gap:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}