/* Selected concept 3: a quiet filter rail and a compact vocabulary list. */
body.discovery-active{background:#fff;color:#202d40}
.discovery-active .topbar{height:84px;padding-inline:40px;border-bottom:1px solid #e8ebef;box-shadow:none;grid-template-columns:1fr auto}
.discovery-active .header-standard,.discovery-active #guide-button{display:none}.discovery-home{display:none}
.discovery-active .discovery-home{display:block;min-height:44px;padding:0;border:0;background:transparent;color:#59616c;font-size:15px}
.discovery-active .brand-name{font-size:22px;font-weight:650;letter-spacing:-.045em}.discovery-active .brand-name strong{color:inherit;font-weight:650}.discovery-active .kns-logo{width:68px}.discovery-active .brand-divider{height:23px;background:#dce1e7}
.discovery-active .app-footer{padding:30px 20px;font-size:11px;color:#79818b}
.discovery-page{--discovery-ink:#202d40;--discovery-line:#e5e8ec;display:grid;grid-template-columns:212px minmax(0,1fr);gap:48px;max-width:1600px;padding:48px 40px 16px;margin:0 auto;align-items:start}.discovery-main{min-width:0}
.discovery-main>h1{font-size:32px;font-weight:700;line-height:40px;letter-spacing:-.045em;margin:0 0 28px;color:var(--discovery-ink)}
.discovery-sidebar{border-right:1px solid var(--discovery-line);padding:2px 28px 0 0;min-width:0}.filter-group{display:flex;flex-direction:column}.filter-group+.filter-group{border-top:1px solid #e5e8ec;margin-top:24px;padding-top:24px}
.filter-group h2{font-size:15px;line-height:24px;font-weight:700;color:#273345;letter-spacing:-.025em;margin:0 0 10px;padding-left:12px}
.filter-option{display:block;position:relative;min-height:48px;width:100%;border:0;border-left:2px solid transparent;border-radius:0;background:transparent;padding:10px 10px;text-align:left;font-size:16px;line-height:24px;font-weight:450;letter-spacing:-.025em;color:#656d79}.filter-option:hover{color:#253751;background:#f7f8fa}.filter-option[aria-pressed=true]{border-left-color:#285bb1;color:#285bb1;font-weight:650}
.science-option{display:flex;align-items:stretch}.science-option>.filter-option{min-width:0;flex:1;padding-right:0}.science-disclosure{display:grid;place-items:center;min-width:44px;border:0;padding:0;background:transparent;color:#67717e}.science-disclosure img{width:16px;height:16px;opacity:.6}.science-disclosure[aria-expanded=true] img{transform:rotate(90deg)}.science-submenu{padding-left:16px}.science-submenu .filter-option{font-size:14px;min-height:44px}
.sidebar-footer{display:flex;justify-content:space-between;gap:8px;border-top:1px solid var(--discovery-line);margin-top:24px;padding-top:12px}.quiet-button{min-height:44px;padding:6px 0;border:0;background:transparent;color:#69727e;font-size:13px;font-weight:450;text-decoration:underline;text-decoration-color:#bac0c8;text-underline-offset:4px}.quiet-button:hover{color:#244f92}
.discovery-search{display:flex;align-items:center;gap:12px;height:64px;border:1px solid #dce1e7;border-radius:6px;padding:0 18px;background:#fff}.discovery-search>img{width:22px;height:22px;opacity:.55;flex-shrink:0}.discovery-search input{width:100%;min-width:0;flex:1;height:100%;padding:0;background:transparent;border:0!important;outline:0!important;box-shadow:none!important;font-family:inherit;font-size:17px;color:#263447}.discovery-search input::placeholder{color:#7b828c;opacity:1}.discovery-search input::-webkit-search-cancel-button{display:none}.discovery-search:focus-within{outline:2px solid #7b9bcd;outline-offset:2px;border-color:#7b9bcd}.discovery-search button{display:grid;place-items:center;flex-shrink:0;min-width:44px;min-height:44px;margin-right:-8px;border:0;background:transparent;opacity:.65}
.discovery-toolbar{display:flex;align-items:center;gap:26px;min-height:80px;border-bottom:1px solid #dce1e7}.search-count{margin-right:auto;font-size:15px;color:#5b6573;font-variant-numeric:tabular-nums;white-space:nowrap}.discovery-toolbar select{width:auto;max-width:140px;min-height:44px;border:0;border-radius:0;background-color:transparent;padding:0 4px;font:inherit;font-size:14px;color:#5b6573;cursor:pointer}
.meaning-switch{display:flex;align-items:center;position:relative;gap:10px;min-height:44px;font-size:14px;color:#5b6573;cursor:pointer;white-space:nowrap}.meaning-switch input{position:absolute;right:0;opacity:0;width:36px;height:44px;margin:0;cursor:pointer}.switch-track{position:relative;display:block;width:34px;height:20px;border-radius:20px;background:#cdd2d9;pointer-events:none}.switch-track::after{content:'';position:absolute;left:3px;top:3px;width:14px;height:14px;border-radius:50%;background:white}.meaning-switch input:checked+.switch-track{background:#285bb1}.meaning-switch input:checked+.switch-track::after{transform:translateX(14px)}.meaning-switch input:focus-visible+.switch-track{outline:2px solid #285bb1;outline-offset:4px}
.discovery-wordrow{border-bottom:1px solid var(--discovery-line)}.discovery-wordline{display:grid;grid-template-columns:160px 44px minmax(0,1fr) 44px;align-items:center;column-gap:14px;min-height:62px;padding:6px 0 6px 12px}.discovery-wordline h2{font-size:22px;line-height:1.3;letter-spacing:-.015em;font-weight:650;margin:0;color:#223149;overflow-wrap:anywhere}
.discovery-audio.audio-button{display:grid;place-items:center;width:44px;height:44px;min-height:44px;min-width:44px;border:0;border-radius:4px;background:transparent;padding:12px;margin:0;font-size:0}.discovery-audio.audio-button img{width:19px;height:19px;opacity:.55}.discovery-audio.audio-button:hover{background:#f3f5f8}.discovery-audio.audio-button[aria-busy=true]{background:#eef3fb}
.discovery-meaning{min-width:0;padding-left:76px}.discovery-meaning p{font-size:17px;line-height:1.5;letter-spacing:-.02em;font-weight:400;color:#475361;margin:0;padding:8px 0;overflow-wrap:anywhere}.meaning-recall{min-height:44px;border:0;background:transparent;padding:0;color:#6c7888;font-size:14px;text-decoration:underline;text-decoration-color:#c2c9d2;text-underline-offset:4px}
.word-expand{display:grid;place-items:center;align-self:stretch;min-height:44px;width:44px;border:0;border-radius:4px;background:transparent;padding:0}.word-expand img{width:17px;height:17px;opacity:.45}.word-expand:hover{background:#f6f7f9}.word-expand[aria-expanded=true] img{transform:rotate(90deg);opacity:.75}
.discovery-word-detail{margin:0 44px 0 12px;padding:12px 0 24px;display:grid;grid-template-columns:1fr minmax(210px,30%);gap:30px;border-top:1px solid #f0f1f4}.discovery-senses{display:flex;flex-direction:column;gap:14px;font-size:15px;color:#475361}.discovery-senses>div{display:flex;gap:14px;align-items:baseline}.discovery-pos{color:#77808b;font-size:12px;min-width:34px}.discovery-senses ol{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:5px}.discovery-senses li{padding-left:3px}.discovery-facts{margin:0;font-size:12px;line-height:1.7;color:#697585}.discovery-facts>div{display:flex;gap:12px;margin-bottom:8px}.discovery-facts dt{color:#89909a;flex-shrink:0}.discovery-facts dd{margin:0}
.discovery-pagination{display:flex;align-items:center;justify-content:center;gap:4px;margin-top:22px}.discovery-pagination button{display:grid;place-items:center;min-width:40px;height:44px;padding:0 5px;border:0;border-radius:4px;background:transparent;font-size:14px;font-weight:450;color:#6c7684;font-variant-numeric:tabular-nums}.discovery-pagination button:hover{background:#f5f7fa}.discovery-pagination button[aria-current=page]{color:#285bb1;background:#f0f4fa;font-weight:700}.discovery-pagination button:disabled{opacity:.25;cursor:default}.discovery-pagination img{width:17px;height:17px;opacity:.6}.discovery-pagination>span{width:20px;text-align:center;color:#9aa1ab}
.discovery-mobile-filters{display:none}.discovery-empty{padding:64px 12px 80px;text-align:center}.discovery-empty h2{font-size:20px;font-weight:600;color:#30415a;margin:0 0 10px}.discovery-empty p{font-size:15px;color:#75808e;margin:0}.discovery-empty>div{display:flex;justify-content:center;gap:24px;margin-top:12px}
.discovery-dialog{box-sizing:border-box;width:min(560px,calc(100vw - 40px));max-height:88dvh;padding:0;border:1px solid #e0e4e9;border-radius:10px;background:#fff;color:#243249;overflow:hidden}.discovery-dialog[open]{display:flex;flex-direction:column}.discovery-dialog::backdrop{background:#17263e55}.topic-dialog-head{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid #e8ebef;flex-shrink:0}.topic-dialog-head h2{margin:0;font-size:22px;font-weight:650}.topic-dialog-head>button{display:grid;place-items:center;min-width:44px;min-height:44px;background:transparent;border:0;padding:0}.topic-dialog-head>button img{opacity:.6}.topic-dialog-content{overflow-y:auto;overscroll-behavior:contain;padding:24px}.topic-dialog-footer{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:16px 24px;border-top:1px solid #e8ebef;background:#fff;flex-shrink:0}.filter-apply{min-width:160px;min-height:48px;border:0;border-radius:6px;background:#263c5d;color:white;font-size:16px;font-weight:600}.basis-copy{font-size:14px;line-height:1.8;color:#697585}.basis-copy dl{margin:0 0 24px}.basis-copy dt{color:#30415a;font-weight:650;margin-top:16px}.basis-copy dd{margin:4px 0 0}.basis-copy p{margin:20px 0 0}.discovery-modal-open{overflow:hidden}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.discovery-page [hidden],.discovery-dialog [hidden]{display:none!important}.discovery-page button:focus-visible,.discovery-dialog button:focus-visible,.discovery-page select:focus-visible,.discovery-home:focus-visible{outline:2px solid #285bb1;outline-offset:2px}
/* Desktop type scale follows the selected full-size reference. */
.discovery-active .kns-logo{width:86px}.discovery-active .brand{gap:18px}.discovery-active .brand-name{font-size:28px}.discovery-active .brand-name strong{color:#285bb1}.discovery-active .brand-divider{height:32px}
.discovery-active .discovery-home{font-size:17px;color:#30445f}
.discovery-main>h1{font-size:40px;line-height:48px;color:#142a4c}.discovery-main>h1:focus{outline:none}
.filter-group h2{font-size:18px;color:#5b6c83}.filter-option{font-size:18px;min-height:50px;color:#435471}
.discovery-search{border-color:#c7d0dc}.discovery-search input{font-size:20px}.discovery-search>img{width:24px;height:24px;opacity:.8}
.discovery-toolbar{min-height:84px}.search-count{font-size:17px;font-weight:600;color:#30445f}.discovery-toolbar select,.meaning-switch{font-size:16px;color:#435471}
.discovery-wordline h2{font-size:28px;color:#142a4c}.discovery-meaning p{font-size:20px;color:#354862}.discovery-audio.audio-button img{width:22px;height:22px;opacity:.7}.word-expand img{opacity:.65}
.discovery-wordline h2.long-word{font-size:22px}.discovery-wordline h2.very-long-word{font-size:19px}
@media(max-width:1200px){.discovery-page{grid-template-columns:192px minmax(0,1fr);gap:32px;padding-inline:32px}.discovery-sidebar{padding-right:20px}.discovery-meaning{padding-left:20px}.discovery-wordline{grid-template-columns:160px 44px minmax(0,1fr) 44px;column-gap:8px}.discovery-wordline h2{font-size:24px}.discovery-wordline h2.long-word{font-size:22px}.discovery-wordline h2.very-long-word{font-size:19px}.discovery-meaning p{font-size:18px}.discovery-word-detail{grid-template-columns:1fr}}
@media(max-width:800px){
 .discovery-active .topbar{height:64px;padding-inline:20px}.discovery-active .kns-logo{width:54px}.discovery-active .brand{gap:10px}.discovery-active .brand-name{font-size:19px}.discovery-active .discovery-home{font-size:13px}
 .discovery-page{display:block;padding:28px 20px 12px}.discovery-sidebar{display:none}.discovery-main>h1{font-size:28px;line-height:36px;margin-bottom:20px}.discovery-search{height:54px;padding:0 12px;gap:10px}.discovery-search input{font-size:16px}.discovery-search>img{width:20px;height:20px}
 .discovery-mobile-filters{display:flex;align-items:center;gap:16px;min-height:60px;border-bottom:1px solid #eef0f3;padding:8px 0}.discovery-mobile-filters>button{display:flex;align-items:center;gap:7px;flex-shrink:0;min-height:44px;border:0;background:transparent;padding:0;color:#445369;font-size:14px}.discovery-mobile-filters>button img{width:17px;height:17px;opacity:.6}.discovery-mobile-filters>button>span{font-size:12px;color:#285bb1;font-weight:650}.mobile-filter-summary{font-size:12px;line-height:1.6;color:#7c8591;overflow-wrap:anywhere}
 .discovery-toolbar{min-height:60px;gap:14px}.search-count{font-size:13px}.discovery-toolbar select{font-size:12px;max-width:110px}.meaning-switch{font-size:12px;gap:7px}
 .discovery-wordline{grid-template-columns:minmax(0,1fr) 44px 36px;column-gap:4px;row-gap:0;min-height:86px;padding:10px 0}.discovery-wordline h2{grid-column:1;grid-row:1;align-self:end;font-size:21px;line-height:28px;padding-top:3px}.discovery-audio.audio-button{grid-column:2;grid-row:1 / 3;align-self:center}.discovery-meaning{grid-column:1;grid-row:2;padding:0;align-self:start}.discovery-meaning p{font-size:15px;line-height:22px;padding:2px 0 3px}.word-expand{grid-column:3;grid-row:1 / 3;width:36px;align-self:stretch}.meaning-recall{min-height:28px;font-size:13px;line-height:22px;padding:2px 0 3px;text-align:left}
 .discovery-wordline h2.long-word,.discovery-wordline h2.very-long-word{font-size:21px}.discovery-word-detail{margin:0;padding:16px 0 22px;gap:18px}.discovery-senses{font-size:14px}.discovery-senses>div{gap:10px}.discovery-facts{font-size:12px;padding-top:6px}.discovery-facts>div{margin-bottom:5px}
 .discovery-pagination{gap:0;margin-top:20px}.discovery-pagination button{min-width:32px;padding:0 3px;font-size:13px}.discovery-pagination>span{width:14px}
 .discovery-dialog{width:100%;max-width:100%;max-height:90dvh;margin:auto 0 0;border-radius:12px 12px 0 0;border-bottom:0}.topic-dialog-head{padding:12px 20px}.topic-dialog-head h2{font-size:21px}.topic-dialog-content{padding:20px}.topic-dialog-footer{padding:12px 20px max(12px,env(safe-area-inset-bottom))}.dialog-filter-options .filter-group:first-child{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.dialog-filter-options .filter-group h2{grid-column:1 / -1;padding-left:10px}.dialog-filter-options .filter-group+.filter-group{margin-top:16px;padding-top:20px}.dialog-filter-options .filter-option{min-height:44px;font-size:15px}.dialog-filter-options .science-submenu .filter-option{font-size:14px}
}
@media(max-width:360px){.discovery-active .topbar{padding-inline:16px}.discovery-page{padding-inline:16px}.discovery-toolbar{gap:8px}.discovery-pagination button{min-width:28px}.discovery-pagination>span{width:12px}}