:root{--paper:#f5f4ed;--white:#fffefa;--ink:#27362c;--muted:#748075;--green:#37583e;--soft:#e8ede3;--line:#dfe3d8;--gold:#946528;--blue:#536d93;--rose:#9a6555;--font:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Noto Sans CJK SC",sans-serif;--ko:"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",sans-serif}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--font);font-size:14px;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.35}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #91ab77;outline-offset:3px}button{border:0}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}[lang=ko]{font-family:var(--ko);word-break:keep-all}.header{height:94px;max-width:1440px;margin:auto;padding:0 56px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:20px;font-weight:650;letter-spacing:1px}.brand-mark{display:grid;place-items:center;background:var(--green);color:#fffefa;width:39px;height:39px;border-radius:12px;font-size:38px;font-weight:400;line-height:1}.brand-ko{font-size:13px;letter-spacing:0;color:var(--muted);margin-left:11px;font-weight:400}.edition{color:var(--muted);font-size:12px;letter-spacing:2px}.edition-dot{margin:0 12px}.text-button{padding:10px 0;background:transparent;font-size:12px;display:flex;gap:14px;align-items:center}.text-button span{font-size:18px}main{max-width:1440px;padding:0 56px;margin:auto}.intro{display:flex;align-items:center;justify-content:space-between;padding:43px 0 34px;gap:25px}.eyebrow{color:var(--green);font-size:11px;font-weight:600;letter-spacing:2px;display:flex;align-items:center;gap:9px}.tiny-line{width:22px;height:1px;background:var(--green)}h1{font-size:36px;font-weight:550;letter-spacing:-1px;margin:14px 0 12px;line-height:1.35}h1 [lang=ko]{font-size:39px;letter-spacing:-2px}.intro p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}.age-card{padding-left:35px;border-left:1px solid var(--line);min-width:215px;display:flex;flex-direction:column;gap:8px}.age-number{font-family:Georgia,serif;font-size:55px;line-height:1;font-style:italic;color:var(--green)}.age-number span{font-family:var(--font);font-style:normal;font-size:16px;margin-left:12px;font-weight:500}.age-caption{color:var(--muted);font-size:11px}.study{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,1fr);gap:28px;align-items:start}.library{min-width:0;background:var(--white);border:1px solid var(--line);border-radius:16px;overflow:hidden}.library-heading{display:flex;align-items:center;justify-content:space-between;padding:23px 24px 18px}.library-heading h2{font-size:16px;font-weight:550;margin:0}.library-heading>span{font-size:12px;color:var(--muted)}.search-wrap{display:flex;align-items:center;margin:0 24px;gap:10px;padding:0 13px;background:#f3f4ee;border:1px solid transparent;border-radius:8px;color:var(--muted)}.search-wrap:focus-within{border-color:#94a68e}.search-wrap svg{width:17px;height:17px}.search-wrap input{height:42px;border:0;outline:0;background:transparent;width:100%;font-size:12px;color:var(--ink)}.search-wrap input:focus-visible{outline:0}.search-wrap input::placeholder{color:#8c9589}.filters{display:flex;gap:8px;padding:14px 24px 18px;flex-wrap:wrap}.filters select,.filter-save{border:1px solid var(--line);background:var(--white);border-radius:6px;min-height:32px;font-size:11px;padding:5px 8px}.filters select{max-width:45%;color:#65715f}.filter-save{margin-left:auto;color:#65715f}.filter-save span{display:inline-block;margin-left:5px;font-size:10px}.filter-save[aria-pressed=true]{color:var(--green);background:var(--soft);border-color:#a4b49b}.list-head{display:grid;grid-template-columns:1fr 86px 28px;padding:9px 30px;background:#f7f7f2;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:10px;color:#83907f;gap:10px}.list-head span:last-child{text-align:center}.word-list{height:476px;overflow:auto;scrollbar-width:thin;scrollbar-color:#cbd4c6 transparent}.word-row{display:grid;grid-template-columns:minmax(0,1fr) 86px 34px;align-items:center;gap:10px;padding:0 24px;border-bottom:1px solid #eeeee7;min-height:72px;position:relative}.word-row.selected{background:var(--soft)}.word-row.selected:before{content:"";height:24px;width:3px;background:var(--green);position:absolute;left:0;border-radius:0 2px 2px 0}.word-select{display:flex;align-items:center;gap:16px;background:transparent;min-width:0;text-align:left;padding:12px 0;align-self:stretch}.word-ko{font-size:23px;font-weight:600;line-height:1.35;min-width:74px}.word-zh{font-size:11px;color:var(--muted);line-height:1.6;min-width:0}.source{display:inline-flex;align-items:center;gap:5px;font-size:10px;line-height:1.6;color:var(--green);white-space:nowrap}.source:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;flex-shrink:0}.source.sino{color:var(--gold)}.source.english{color:var(--blue)}.source.other,.source.uncertain{color:var(--rose)}.icon-button{display:inline-flex;align-items:center;justify-content:center;background:transparent;width:34px;height:34px;border-radius:50%;padding:0}.icon-button:hover{background:#e2e7db}.play-small{color:#789071}.play-small svg{width:17px;height:17px}.empty{padding:70px 28px;text-align:center;color:var(--muted);line-height:1.9}.empty b{font-size:16px;display:block;color:var(--ink);font-weight:500}.empty button{padding:8px 18px;background:var(--soft);border-radius:6px;margin-top:14px}.library-footer{display:flex;align-items:center;gap:7px;padding:13px 24px;color:var(--muted);font-size:10px}.small-dot{width:4px;height:4px;background:#91a780;border-radius:50%}.detail{border-radius:16px;border:1px solid var(--line);background:var(--white);overflow:hidden;min-width:0}.detail-top{padding:19px 26px 0;display:flex;justify-content:space-between;align-items:center}.detail-category{font-size:10px;letter-spacing:1px;color:var(--muted)}.detail-tools{display:flex;gap:6px;align-items:center}.detail-tools button{width:28px;height:28px}.detail-tools svg{width:16px;height:16px}.bookmark.is-saved svg{fill:var(--green);stroke:var(--green)}.mobile-close{display:none}.word-hero{padding:11px 30px 24px}.word-hero-line{display:flex;align-items:center;justify-content:space-between;gap:20px}.word-hero h2{font-size:57px;line-height:1.2;letter-spacing:-2px;font-weight:600;margin:0 0 10px}.hero-meaning{color:#6a7866;font-size:15px;line-height:1.65;margin:0}.play-main{display:flex;align-items:center;justify-content:center;width:55px;height:55px;border-radius:50%;background:var(--green);color:var(--white);flex-shrink:0;transition:transform .15s}.play-main:hover{transform:scale(1.06);background:#28462f}.play-main svg{width:23px;height:23px}.play-main.speaking{animation:pulse 1s infinite}.audio-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:17px}.audio-status{color:var(--muted);font-size:10px;line-height:1.5;max-width:70%}.slow-button{padding:5px 9px;border-radius:5px;background:#f0f2eb;font-size:10px;color:#65775d}.slow-button[aria-pressed=true]{background:var(--green);color:white}.detail-section{padding:20px 30px;border-top:1px solid var(--line)}.section-label{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.section-label h3{margin:0;color:#707e6b;font-size:11px;font-weight:500;letter-spacing:1px}.source-tag{padding:3px 8px;background:#edf0e8;border-radius:4px}.source-tag.sino{background:#f7efde}.source-tag.english{background:#eaf0f8}.source-tag.other,.source-tag.uncertain{background:#f8eee7}.roots{font-size:19px;font-weight:500;line-height:1.6;margin:0 0 9px;word-break:break-word}.explanation{font-size:12px;color:#5e6c5a;line-height:1.95;margin:0}.word-note{font-size:11px;color:#77826e;line-height:1.85;margin-top:10px}.root-tip{font-size:10px;color:#87907f;line-height:1.8;margin-top:8px}.example-box{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:14px 16px;background:#f2f4ec;border-radius:8px}.example-ko{font-size:19px;line-height:1.55;margin:0 0 5px;color:var(--green);font-weight:500}.example-zh{font-size:11px;line-height:1.65;color:var(--muted);margin:0}.example-kind{font-size:9px;letter-spacing:0;color:#8c957f}.spoken{margin:11px 0 0;font-size:11px;color:#788570;line-height:1.8}.spoken [lang=ko]{font-size:13px;color:#405d3a}.video-status{color:#9b805b;font-size:9px;background:#f7f0e4;padding:3px 7px;border-radius:4px;white-space:nowrap}.video-card{display:flex;gap:12px;align-items:center;border:1px solid var(--line);padding:14px;border-radius:8px;text-decoration:none;transition:background .15s}.video-card:hover{background:#f7f7f0}.video-icon{height:36px;width:43px;border-radius:6px;display:flex;align-items:center;justify-content:center;background:#f5e7de;color:#ba6e56;flex-shrink:0}.video-icon svg{width:17px;height:17px;fill:currentColor;stroke:none}.video-card-body{min-width:0;flex:1}.video-card b{font-size:12px;font-weight:500;display:block;line-height:1.65}.video-card small{font-size:10px;color:var(--muted);line-height:1.6;display:block;margin-top:3px}.video-arrow{color:#9aa391}.video-note{color:#8d9487;font-size:10px;line-height:1.8;margin:10px 0 0}.detail-bottom{padding:12px 30px;display:flex;align-items:center;justify-content:space-between;background:#f9f9f4;border-top:1px solid var(--line);gap:10px}.reference-link{font-size:10px;color:#728366;text-decoration:none}.reference-link:hover{text-decoration:underline}.word-position{font-size:10px;color:#8b9586}.page-footer{display:flex;justify-content:space-between;gap:20px;padding:21px 0 32px;color:#929b8b;font-size:10px;line-height:1.8}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,12px);background:#293e2d;color:#fff;padding:12px 20px;border-radius:9px;font-size:12px;max-width:min(90vw,460px);text-align:center;opacity:0;pointer-events:none;transition:.2s;z-index:30;line-height:1.7}.toast.show{opacity:1;transform:translate(-50%,0)}dialog{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:28px;max-width:560px;width:calc(100% - 36px);color:var(--ink);max-height:85dvh;line-height:1.9}dialog::backdrop{background:#15291860;backdrop-filter:blur(3px)}.dialog-top{display:flex;justify-content:space-between;align-items:center}dialog h2{font-size:24px;font-weight:550;line-height:1.5;margin:18px 0}dialog h3{font-size:13px;margin-bottom:5px}dialog p{font-size:12px;color:#677462;margin-top:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@keyframes pulse{50%{box-shadow:0 0 0 7px #37583e19}}
@media(min-width:1450px){.word-list{height:540px}}
@media(max-width:1100px){.header{padding:0 30px}main{padding:0 30px}.study{gap:18px}.word-select{gap:10px;flex-direction:column;align-items:flex-start;justify-content:center}.word-ko{font-size:22px}.word-zh{font-size:10px}.word-row{min-height:76px}.word-hero,.detail-section{padding-left:23px;padding-right:23px}.word-hero h2{font-size:51px}.filters{padding-left:20px;padding-right:20px}.filter-save{margin-left:0}.age-card{min-width:185px}}
@media(max-width:760px){.header{height:74px;padding:0 21px}.brand{font-size:17px;gap:9px}.brand-mark{width:33px;height:33px;font-size:33px;border-radius:10px}.brand-ko{font-size:11px}.edition{display:none}.text-button{font-size:11px}main{padding:0 20px}.intro{padding:31px 0 26px;display:block}.eyebrow{font-size:10px}h1{font-size:28px;margin:13px 0 10px}h1 [lang=ko]{font-size:32px}.intro p{font-size:11px}.age-card{border:0;padding:16px 0 0;flex-direction:row;align-items:center;gap:15px}.age-number{font-size:29px}.age-number span{font-size:12px;margin-left:7px}.age-caption{font-size:10px}.study{display:block}.library{border-radius:12px}.library-heading{padding:20px 18px 16px}.library-heading h2{font-size:15px}.search-wrap{margin:0 18px}.filters{padding:12px 18px 16px}.filter-save{margin-left:auto}.word-list{height:470px}.word-row{padding:0 18px;grid-template-columns:minmax(0,1fr) 74px 30px;min-height:74px}.word-select{flex-direction:row;align-items:center;gap:13px}.word-ko{font-size:22px;min-width:66px}.word-zh{font-size:10px}.list-head{padding:9px 22px;grid-template-columns:1fr 74px 28px}.source{font-size:9px}.library-footer{padding:13px 18px;font-size:9px}.detail{display:none;position:fixed;inset:14px 10px 10px;z-index:20;overflow-y:auto;box-shadow:0 0 0 100vmax #172b216b;border-radius:15px}.detail.open{display:block}.detail-top{padding:17px 21px 0}.detail-tools button{height:32px;width:32px}.mobile-close{display:inline-flex;margin-left:9px}.word-hero{padding:17px 23px 24px}.word-hero h2{font-size:52px}.detail-section{padding:19px 23px}.page-footer{padding:19px 0 26px;font-size:9px}.page-footer>span:last-child{display:none}body.detail-open{overflow:hidden}.dialog-top .eyebrow{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:760px){.word-select{justify-content:flex-start}.word-ko{flex-shrink:0}}
.audio-example-section{padding-bottom:25px}.example-play{display:flex;flex-direction:column;align-items:center;gap:6px;background:transparent;color:var(--green);padding:8px 4px;min-width:49px;flex-shrink:0}.example-play span{font-size:10px}.example-play:hover{color:#132d1a}.example-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px}.example-source{color:#8c9685;font-size:10px}.example-slow{color:#6f8363;font-size:10px;padding:3px 0}.example-slow span{font-size:13px}
.examples-guide{font-size:11px;line-height:1.9;color:#79846f;margin:0 0 16px}.examples-list{margin-top:17px;display:flex;flex-direction:column;gap:20px}.example-card{background:#f8f9f3;border:1px solid #e0e6d6;border-radius:10px;padding:19px 18px 0;min-width:0;transition:border-color .15s}.example-card.speaking{border-color:#7d9c6d}.example-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}.example-number{font-size:10px;font-weight:600;letter-spacing:1px;color:#6b805d}.example-voice{color:#8a9680;font-size:9px;line-height:1.7;text-align:right}.example-voice[data-state=playing]{color:var(--green)}.example-card .example-ko{font-size:22px;font-weight:550;line-height:1.6;margin-bottom:5px;overflow-wrap:anywhere}.example-card .example-zh{font-size:12px;line-height:1.8}.example-actions{display:flex;align-items:center;gap:11px;margin-top:14px;flex-wrap:wrap}.sentence-listen{background:#e6eddf;color:var(--green);border-radius:6px;display:flex;align-items:center;justify-content:center;gap:6px;padding:8px 11px;font-size:11px;min-height:34px}.sentence-listen svg{width:15px;height:15px}.sentence-listen:hover{background:#dbe5d1}.sentence-slow,.sentence-stop{background:transparent;color:#65795b;font-size:11px;padding:8px 3px;min-height:34px}.sentence-stop{color:#966049}.example-register{color:#7b876f;font-size:10px;line-height:1.9;margin:13px 0 14px}.sentence-analysis{border-top:1px solid #e2e7d9;margin-top:9px}.sentence-analysis>summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0;color:#57704e;font-size:11px;line-height:1.7;min-height:44px}.sentence-analysis>summary::-webkit-details-marker{display:none}.sentence-analysis>summary:focus-visible{outline:3px solid #91ab77;outline-offset:1px}.analysis-toggle:after{content:'+';font-size:18px;color:#819175}.sentence-analysis[open]>summary .analysis-toggle:after{content:'−'}.analysis-content{padding:0 0 7px}.analysis-section{padding:17px 0;border-top:1px solid #e6eadf}.analysis-section h4{margin:0 0 12px;font-size:12px;font-weight:600;color:#405d35;display:flex;align-items:center;gap:8px}.analysis-step{font-size:9px;font-weight:500;letter-spacing:.5px;color:#8b9c80}.reading-line{display:flex;flex-direction:column;gap:4px;margin-bottom:12px;background:#eef2e7;border-radius:6px;padding:10px 12px}.reading-line>span:first-child{font-size:9px;color:#829175;letter-spacing:.5px}.reading-line [lang=ko]{font-size:17px;line-height:1.8;color:#47663d;overflow-wrap:anywhere}.pronunciation-notes{padding-left:16px;margin:0;color:#64735b;font-size:12px;line-height:1.95}.pronunciation-notes li+li{margin-top:8px}.pronunciation-notes li::marker{color:#a1b095}.grammar-list{margin:0}.grammar-list>div+div{margin-top:13px}.grammar-list dt{font-size:14px;font-weight:600;line-height:1.75;color:#48623e;overflow-wrap:anywhere}.grammar-list dd{font-size:12px;line-height:1.95;color:#64735b;margin:3px 0 0}.related-words{list-style:none;padding:0;margin:0}.related-words li+li{margin-top:12px}.related-word-line{display:flex;gap:9px;align-items:center;min-width:0}.related-word-line [lang=ko]{font-size:15px;font-weight:550;color:#405d35}.related-word-line>span:nth-child(2){font-size:11px;color:#64735b;flex:1}.related-listen{width:29px;height:29px;flex-shrink:0;color:#77906a}.related-listen svg{width:15px;height:15px}.related-words p{margin:1px 0 0;font-size:11px;line-height:1.9;color:#7a8671}.detail{scroll-margin-top:20px}.detail-top{position:sticky;top:0;background:var(--white);z-index:2;padding-bottom:12px;border-bottom:1px solid #eef0e8}.detail-section .spoken{margin-top:0;margin-bottom:12px}
@media(min-width:761px){.library{position:sticky;top:20px}.word-list{height:clamp(250px,calc(100dvh - 282px),540px)}}
@media(max-width:760px){.example-card{padding:16px 14px 0}.example-card .example-ko{font-size:22px}.example-actions{gap:13px}.sentence-listen,.sentence-slow,.sentence-stop{min-height:40px}.sentence-analysis>summary{min-height:48px}.detail-section{padding-left:19px;padding-right:19px}.example-kind{font-size:9px}.detail-tools button{min-width:32px}.detail-top{padding-bottom:11px}.pronunciation-notes,.grammar-list dd{font-size:12px}.related-word-line{flex-wrap:wrap;gap:7px}.related-listen{width:34px;height:34px}}
.example-jumps{display:flex;gap:8px;margin:14px 0 3px}.example-jumps button{flex:1;display:flex;justify-content:space-between;align-items:center;gap:8px;border:1px solid var(--line);background:transparent;border-radius:5px;padding:9px 11px;font-size:10px;color:#6a7c5e}.example-jumps button:hover{background:var(--soft)}.example-jumps span{color:#93a388}.example-card{scroll-margin-top:80px}
/* Age navigation shares the existing quiet green-and-cream palette. */
.age-number b{font-weight:inherit}.age-navigation{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:0 0 25px}.age-switcher{display:flex;background:#ecefe5;border:1px solid var(--line);padding:5px;gap:5px;border-radius:12px}.age-switcher button{display:flex;align-items:center;gap:10px;background:transparent;border:1px solid transparent;padding:11px 18px;border-radius:8px;color:#77836e;transition:background .15s,color .15s}.age-switcher button strong{font-size:15px;font-weight:600;white-space:nowrap}.age-switcher button span{font-size:11px;white-space:nowrap}.age-switcher button[aria-pressed=true]{background:var(--white);border-color:#c8d4bd;color:var(--green);box-shadow:0 2px 5px #34482c08}.age-switcher button:hover{color:var(--green);background:#f6f7f0}.age-switcher button[aria-pressed=true]:hover{background:var(--white)}.age-focus{font-size:11px;line-height:1.8;letter-spacing:.5px;color:#7c896f;text-align:right;margin:0}.source.mixed{color:#7c6490}.source-tag.mixed{background:#f0eaf4}.detail-category{line-height:1.7;letter-spacing:.4px}.detail-tools{flex-shrink:0}
@media(min-width:761px){.detail{overflow:clip}}
@media(max-width:950px){.age-navigation{align-items:flex-start;flex-direction:column;gap:10px}.age-focus{text-align:left}.age-switcher{width:100%}.age-switcher button{justify-content:center;flex:1}}
@media(max-width:760px){.age-navigation{margin-bottom:20px;gap:9px}.age-switcher{padding:4px;gap:3px;border-radius:10px}.age-switcher button{padding:10px 7px;flex-direction:column;gap:4px}.age-switcher button strong{font-size:14px}.age-switcher button span{font-size:10px}.age-focus{font-size:10px}.detail-category{font-size:9px;letter-spacing:0;max-width:48%}.library-heading h2{font-size:14px}}
.hero-reading{font-size:10px;color:#819078;line-height:1.8;margin:8px 0 0}.hero-reading [lang=ko]{font-size:13px;color:#647b58;margin-left:5px}
.header-meta{display:flex;align-items:center;gap:24px}.podcast-card{background:#f2f4ec;border:1px solid #dfe6d8;border-radius:12px;padding:18px;margin:20px 0 16px}.podcast-now{font-size:16px;font-weight:550;color:#405d35;line-height:1.6;min-height:28px}.podcast-progress{display:flex;justify-content:space-between;gap:12px;margin-top:7px;color:#7d8b76;font-size:10px;line-height:1.7}.podcast-controls{display:flex;align-items:center;gap:10px;margin-top:17px}.podcast-primary,.podcast-secondary{border-radius:7px;padding:9px 15px;font-size:11px;min-height:36px}.podcast-primary{background:var(--green);color:var(--white)}.podcast-primary:hover{background:#28462f}.podcast-secondary{background:var(--white);border:1px solid var(--line);color:#6c7a68}.podcast-rate{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;color:#71806b;font-size:10px}.podcast-rate select{border:1px solid var(--line);background:var(--white);border-radius:5px;padding:5px 7px;color:#64745f;font-size:10px}.podcast-note{font-size:10px;color:#8a9583;line-height:1.8}.podcast-player{display:none}
@media(max-width:760px){.header-meta{gap:11px}.header-meta .edition{display:none}.header-meta .text-button{gap:6px;padding:8px 0}.header-meta .text-button span{font-size:15px}.podcast-card{padding:16px}.podcast-now{font-size:15px}}