.mrs-library{--mrs-ink:#23314a;--mrs-muted:#756f65;color:var(--mrs-ink);background:#fffcf4;border-radius:22px;min-width:0;margin:28px 0 48px;padding:28px;scroll-margin-top:24px;box-shadow:0 8px 32px #4c3b1710}.mrs-library *{box-sizing:border-box}.mrs-library button,.mrs-library select,.mrs-library input{font:inherit}.mrs-library button,.mrs-library select{min-height:44px}.mrs-library button{cursor:pointer}.mrs-library button:disabled{opacity:.45;cursor:default}:is(.mrs-library button:focus-visible,.mrs-library a:focus-visible,.mrs-library summary:focus-visible){outline-offset:4px;outline:3px solid #d79910}.mrs-library p{line-height:1.75}.mrs-heading{justify-content:space-between;align-items:center;gap:18px;margin-bottom:28px;display:flex}.mrs-heading small{letter-spacing:2px;color:#8e7545;font-size:10px;font-weight:700}.mrs-heading h2{letter-spacing:-.8px;color:var(--mrs-ink);margin:10px 0;font-size:clamp(23px,3vw,34px);line-height:1.25}.mrs-heading p{color:var(--mrs-muted);margin:0;font-size:13px}.mrs-series-badge{background:#f6eacb;border-radius:24px;flex-shrink:0;align-items:center;gap:8px;padding:10px 14px;font-size:12px;font-weight:700;display:flex}.mrs-bookshelf{background:linear-gradient(#eee2cc80,#f8f0df 70%);border-radius:14px;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;padding:30px 32px 0;display:grid;box-shadow:inset 0 2px 15px #80633b0c}.mrs-book{text-align:center;min-width:0;padding-bottom:24px;position:relative}.mrs-book:after{content:"";z-index:0;background:linear-gradient(#d9b887,#ba955f);border-radius:2px;height:12px;position:absolute;bottom:0;left:-16px;right:-16px;box-shadow:0 7px 8px #73552e24}.mrs-book-cover{aspect-ratio:.7;background:#fff;border:0;border-radius:3px 7px 7px 3px;width:100%;max-width:206px;margin:0 auto;padding:0;transition:transform .2s;display:block;position:relative;overflow:hidden;box-shadow:4px 1px #ece5d6,7px 3px #d9cfbd,10px 10px 15px #66513024}.mrs-book-cover:hover{background:#fff;transform:translateY(-6px)rotate(-1deg)}.mrs-book-cover img{object-fit:cover;width:100%;height:100%;display:block}.mrs-book-spine{pointer-events:none;background:linear-gradient(90deg,#0002,#fff3,#0001);width:9px;position:absolute;inset:0 auto 0 0}.mrs-title-cover{text-align:left;border-left:13px solid var(--mrs-book-color);color:#316184;background:linear-gradient(115deg,#fff,#faf8f2);flex-direction:column;align-items:flex-start;width:100%;height:100%;padding:20px 18px 18px 25px;display:flex}.mrs-title-cover>small{color:#8a887e;letter-spacing:.8px;font-size:7px;line-height:1.5}.mrs-title-cover>strong{letter-spacing:-.8px;margin-top:19px;font-size:clamp(15px,2.1vw,27px);font-style:italic;line-height:1.15}.mrs-title-cover>b{color:var(--mrs-book-color);margin-top:8px;font-size:clamp(30px,4vw,50px);line-height:1.1}.mrs-title-cover>span{letter-spacing:2px;color:#8e8576;margin-top:auto;font-size:9px}.mrs-book-caption{margin-top:21px}.mrs-book-caption h3{color:var(--mrs-ink);margin:0 0 6px;font-size:16px}.mrs-book-caption span{color:#7f6e50;font-size:11px}.mrs-shelf-note{color:#8d754b;justify-content:center;align-items:center;gap:9px;margin-top:23px;font-size:12px;line-height:1.7;display:flex}.mrs-study{scroll-margin-top:20px}.mrs-study-heading{align-items:center;gap:14px;padding:4px 0 18px;display:flex}.mrs-study-heading h3{margin:0;font-size:24px}.mrs-study-heading>span{color:var(--mrs-muted);font-size:12px}.mrs-back{color:var(--mrs-ink);background:0 0;border:0;align-items:center;gap:8px;padding:9px 12px 9px 0;font-size:13px;display:inline-flex}.mrs-unit-navigation{justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:14px;display:flex}.mrs-unit-navigation>label{flex:1;gap:7px;max-width:420px;font-size:12px;display:grid}.mrs-unit-navigation select{width:100%;color:var(--mrs-ink);background:#fff;border:0;border-radius:9px;padding:9px 14px;box-shadow:0 2px 6px #604b1c10}.mrs-unit-navigation>div{align-items:center;gap:10px;display:flex}.mrs-unit-navigation button{width:44px;color:var(--mrs-ink);background:#f0e8d8;border:0;border-radius:10px;place-items:center;padding:0;display:grid}.mrs-unit-navigation b{text-align:center;min-width:46px;font-size:13px}.mrs-unit-list{margin:0 0 18px}.mrs-unit-list summary{cursor:pointer;min-height:44px;padding:10px 0;font-size:13px}.mrs-unit-list>div{grid-template-columns:repeat(auto-fill,minmax(81px,1fr));gap:7px;padding:8px 0 16px;display:grid}.mrs-unit-list button{color:var(--mrs-ink);background:#fff;border:0;border-radius:8px;padding:10px 7px;font-size:12px;box-shadow:0 1px 5px #59430d0a}.mrs-unit-list button[aria-current=true]{background:#f7ce35;font-weight:800}.mrs-player{color:#fff;background:#24334a;border-radius:15px;margin:10px 0 24px;padding:20px 24px;box-shadow:0 5px 18px #24334a14}.mrs-player-title{justify-content:space-between;align-items:center;gap:12px;margin-bottom:17px;display:flex}.mrs-player-title>span{align-items:center;gap:10px;font-size:15px;display:flex}.mrs-player-title small{color:#c9d1df;font-size:12px}.mrs-player-controls{align-items:center;gap:12px;display:flex}.mrs-player-controls button{color:#fff;background:#ffffff13;border:0;border-radius:10px;justify-content:center;align-items:center;gap:8px;min-width:68px;padding:12px;display:flex}.mrs-player-controls .mrs-play{color:#24334a;background:#f7ce35;min-width:110px;font-weight:700}.mrs-player-controls label{color:#c9d1df;align-items:center;gap:8px;margin-left:auto;font-size:12px;display:flex}.mrs-player-controls select{color:#24334a;background:#fff;border:0;border-radius:8px;width:84px;margin:0;padding:8px}.mrs-timeline{font-variant-numeric:tabular-nums;color:#dfe5ef;align-items:center;gap:12px;margin-top:18px;font-size:12px;display:flex}.mrs-timeline input[type=range]{accent-color:#f7ce35;background:0 0;border:0;flex:1;min-width:0;min-height:24px;margin:0;padding:0}.mrs-timeline>span{min-width:32px}.mrs-audio-status{color:#ffdd7a;margin:9px 0 0;font-size:12px}.mrs-audio-status button{color:#24334a;background:#fff;border:0;border-radius:8px;margin-left:8px;padding:7px 10px}.mrs-page-heading{justify-content:space-between;align-items:center;gap:12px;margin:10px 0 16px;display:flex}.mrs-page-heading h4{margin:0;font-size:18px}.mrs-page-heading a{color:#826935;padding:12px 0;font-size:12px}.mrs-pages{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:18px;display:grid}.mrs-pages figure{min-width:0;margin:0}.mrs-pages figcaption{color:#9a8760;letter-spacing:1px;margin-bottom:10px;font-size:10px}.mrs-pages img{border-radius:3px;width:100%;height:auto;display:block;box-shadow:0 3px 16px #51442712}.mrs-page-hint{color:var(--mrs-muted);margin:16px 0;font-size:11px}.mrs-pdf-page canvas{background:#fff;width:100%;height:auto}.mrs-pdf-page{margin-bottom:16px}.mrs-bottom-navigation{justify-content:space-between;gap:14px;margin-top:22px;display:flex}.mrs-bottom-navigation button,.mrs-coming-soon button{color:var(--mrs-ink);background:#f3e6c3;border:0;border-radius:10px;padding:12px 18px}.mrs-coming-soon{text-align:center;background:#f8f1e2;border-radius:14px;padding:50px 20px}.mrs-coming-soon svg{color:#a58a52}.mrs-coming-soon h4{margin:16px 0 10px;font-size:21px}.mrs-coming-soon p{color:var(--mrs-muted);font-size:13px}.mrs-image-error{background:#fff;padding:40px 15px;font-size:13px}.mrs-image-error button{margin:10px auto;display:block}.mrs-config-error{font-size:12px}.mrs-student-link{text-align:right;margin-top:22px;font-size:12px}.mrs-student-link a{color:#806739}@media (max-width:1000px){.mrs-bookshelf{gap:23px;padding:25px 22px 0}.mrs-title-cover{border-left-width:9px;padding:15px 12px 14px 15px}.mrs-title-cover>small{font-size:6px}.mrs-title-cover>strong{margin-top:12px}.mrs-book:after{left:-12px;right:-12px}.mrs-player-controls{gap:8px}}@media (max-width:650px){.mrs-library{border-radius:16px;margin:20px 0 32px;padding:20px 14px}.mrs-heading{align-items:flex-start;margin-bottom:22px}.mrs-heading h2{font-size:24px}.mrs-heading p{font-size:12px}.mrs-series-badge{display:none}.mrs-bookshelf{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 24px;padding:24px 20px 0}.mrs-book{padding-bottom:22px}.mrs-book-cover{max-width:190px}.mrs-title-cover>strong{font-size:clamp(19px,5.4vw,28px)}.mrs-title-cover>small{font-size:7px}.mrs-title-cover>b{font-size:40px}.mrs-book-caption{margin-top:17px}.mrs-book-caption span{font-size:10px}.mrs-shelf-note{align-items:flex-start;font-size:11px}.mrs-shelf-note svg{flex-shrink:0;margin-top:2px}.mrs-study-heading{gap:10px}.mrs-study-heading h3{font-size:22px}.mrs-unit-navigation{gap:9px}.mrs-unit-navigation>div{gap:4px}.mrs-unit-navigation select{padding:8px;font-size:12px}.mrs-unit-navigation b{min-width:38px;font-size:11px}.mrs-player{padding:17px 14px}.mrs-player-title{flex-wrap:wrap;gap:8px}.mrs-player-title>span{font-size:14px}.mrs-player-title small{font-size:11px}.mrs-player-controls{grid-template-columns:1.35fr 1fr 1fr;gap:8px;display:grid}.mrs-player-controls .mrs-play{min-width:0}.mrs-player-controls button{min-width:0;padding:11px 7px;font-size:12px}.mrs-player-controls label{grid-column:1/-1;justify-content:flex-end;margin:0}.mrs-player-controls select{width:90px;min-height:44px}.mrs-pages{grid-template-columns:1fr;gap:24px}.mrs-page-heading h4{font-size:17px}.mrs-page-heading a{font-size:11px}.mrs-admin-fields{grid-template-columns:1fr}.mrs-student-page{padding:14px!important}.mrs-student-brand>a{max-width:75px;font-size:10px}.mrs-student-brand span{font-size:10px}}@media (prefers-reduced-motion:reduce){.mrs-book-cover{transition:none}.mrs-library{scroll-behavior:auto}}.mrs-pages.mrs-pages-single{grid-template-columns:minmax(0,1fr);max-width:760px;margin:0 auto}.mrs-book>h3{margin:21px 0 6px;font-size:16px}.mrs-book>p{color:#7f6e50;margin:0;font-size:11px}.mrs-heading>span{white-space:nowrap;color:#8d754b;font-size:12px}.mrs-modal{max-width:1100px;max-height:92vh;overscroll-behavior:contain;min-width:0;max-height:92dvh}.mrs-modal>header{align-items:center}.mrs-modal>header small{letter-spacing:1px;font-size:10px}.mrs-modal>header h2{margin:7px 0}.mrs-modal>header>button{flex-shrink:0}.mrs-modal .mrs-unit-navigation>label,.mrs-modal .mrs-unit-navigation select{min-width:0}.mrs-unit-navigation>div>span{white-space:nowrap;font-size:12px}.mrs-page-heading{margin-top:26px}.mrs-page-heading h3{margin:0;font-size:18px}.mrs-recordings summary{cursor:pointer;min-height:44px;padding:12px 0;font-size:13px}.mrs-recording-dock{z-index:90;left:50%;bottom:calc(12px + env(safe-area-inset-bottom));color:#fff;background:#26354a;border-radius:16px;justify-content:space-between;align-items:center;gap:12px;width:460px;max-width:calc(100% - 24px);padding:12px 16px;display:flex;position:fixed;transform:translate(-50%);box-shadow:0 8px 34px #0003}.mrs-recording-dock strong{font-variant-numeric:tabular-nums;font-size:14px}.mrs-recording-dock button{color:#26354a;white-space:nowrap;background:#f7ce35}.mrs-modal:has(.mrs-recording-dock){padding-bottom:100px}.mrs-player p{color:#ffdd7a}.mrs-modal .reading-audio-preview audio{width:100%;max-width:500px}.mrs-modal .reading-audio-preview .button{font-size:12px}@media (max-width:650px){.mrs-heading>span{display:none}.mrs-modal>header h2{font-size:20px}.mrs-modal>header>button{padding:10px;font-size:12px}.mrs-unit-navigation{flex-wrap:wrap}.mrs-unit-navigation>label{flex-basis:100%;max-width:none}.mrs-unit-navigation>div{margin-left:auto}.mrs-player-controls select{width:90px}.mrs-book>p{font-size:10px}.mrs-recording-dock{padding:10px 12px}.mrs-modal .reading-voice-recorder{padding:18px 14px}}.mrs-unit-content{overflow-anchor:none;min-width:0}@font-face{font-family:Pretendard;src:url(/fonts/PretendardVariable.woff2)format("woff2");font-display:swap}*{box-sizing:border-box}body{color:#333020;background:#fffdf7;margin:0;font-family:Pretendard,Arial,sans-serif}button,input,select{font:inherit}button,.button{cursor:pointer;color:#51462c;background:#f4efdf;border:0;border-radius:12px;min-height:44px;padding:12px 18px;font-weight:600;text-decoration:none}button:hover,.button:hover{background:#eee1ba}button:disabled{opacity:.5;cursor:default}:is(button:focus-visible,a:focus-visible){outline-offset:3px;outline:3px solid #9b7417}.primary{color:#362f18;background:#f5cd3d}.primary:hover{background:#edbe20}input,select{background:#fff;border:1px solid #e1dbcd;border-radius:10px;width:100%;min-height:46px;padding:13px}label{gap:8px;font-size:14px;font-weight:600;display:grid}h1,h2,h3,p{margin-top:0}p{color:#7d7462;line-height:1.65}small{color:#8e8269;line-height:1.5}a{color:#84601d}img{max-width:100%}.welcome{grid-template-columns:1fr 450px;align-items:center;gap:80px;max-width:1180px;min-height:100vh;margin:auto;padding:60px 40px;display:grid}.welcome-copy>img{border-radius:24px;width:82px;margin-bottom:34px;display:block}.welcome-copy>small{letter-spacing:2px;font-size:11px}.welcome h1{letter-spacing:-2px;margin-top:20px;font-size:48px;line-height:1.25}.welcome-icons{letter-spacing:16px;margin-top:35px;font-size:62px}.welcome-icons span{display:inline-block;transform:rotate(-10deg)}.login{background:#fff;border-radius:28px;gap:20px;padding:40px;display:grid;box-shadow:0 18px 70px #59491d0d}.login h2{margin:0;font-size:30px}.login p{margin:0}.eyebrow{letter-spacing:2px;color:#ab9047;font-size:10px}.login small{font-size:12px}.login details{color:#85785e;font-size:12px}.error{color:#a33d2c;background:#fff0ea;border-radius:12px;padding:12px 16px}.loading{text-align:center;padding:15vh}.study{max-width:1240px;margin:auto;padding:0 40px}.top{justify-content:space-between;align-items:center;gap:20px;padding:24px 0;display:flex}.brand{color:#403924;align-items:center;gap:10px;text-decoration:none;display:flex}.brand img{border-radius:14px;width:46px}.brand b{font-size:19px}.brand span{color:#968870;font-size:11px;font-weight:400;display:block}.top>div{gap:6px;display:flex}.top button{background:0 0;font-size:12px}.greeting{background:#f8e6a0;border-radius:28px;justify-content:space-between;align-items:center;margin:14px 0 24px;padding:38px 50px;display:flex;overflow:hidden}.greeting small{letter-spacing:2px;color:#968039;font-size:11px}.greeting h1{letter-spacing:-1px;margin:12px 0;font-size:35px;line-height:1.3}.greeting p{margin:0}.greeting-art{padding-right:55px;font-size:112px;position:relative;transform:rotate(-8deg)}.greeting-art span{color:#fffdf0;font-size:56px;position:absolute;top:-20px;right:5px}.tabs{gap:8px;margin:30px 0;display:flex}.tabs button{color:#92876f;background:0 0;border-radius:0}.tabs [aria-pressed=true]{color:#493a1a;box-shadow:inset 0 -3px #efc335}.section-title{justify-content:space-between;align-items:center;gap:20px;margin:30px 0 20px;display:flex}.section-title h2{margin:0;font-size:24px}.section-title>span{color:#a39881;font-size:13px}.app-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px;margin-bottom:38px;display:grid}.app-card{background:#fff;border-radius:20px;flex-direction:column;align-items:flex-start;padding:24px;display:flex;box-shadow:0 6px 32px #5a4e2610}.app-card h3{margin:18px 0 9px}.app-card p{flex:1;font-size:13px}.app-card>.primary,.app-card>.button{text-align:center;width:100%}.app-cover{background:#f7f0dc;border-radius:14px;justify-content:center;align-self:stretch;align-items:center;height:150px;display:flex}.app-cover span{font-size:70px}.app-cover img{object-fit:contain;height:100%}.filters{flex-wrap:wrap;gap:8px;margin-bottom:24px;display:flex}.filters button{background:0 0;font-size:13px}.filters [aria-pressed=true]{background:#f4d97b}.filters select{width:auto}.series-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:28px;display:grid}.series-card{min-width:0}.cover-button{text-align:left;background:0 0;border-radius:16px;flex-direction:column;align-items:flex-start;gap:8px;width:100%;padding:12px;display:flex}.cover-button img{object-fit:contain;filter:drop-shadow(3px 6px 5px #3d321a22);width:100%;height:170px}.cover-button h3{margin:4px 0 0;font-size:16px}.cover-button small,.cover-button span{color:#8b7954;font-size:11px}.rating{text-align:center;padding:10px 0 20px}.rating button{color:#d8d3c6;background:0 0;min-width:30px;min-height:40px;padding:0 3px;font-size:27px}.rating button.gold{color:#dfa81a}.rating small{font-size:10px}.book-grid{grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:24px;margin-top:28px;display:grid}.book-card{text-align:left;background:0 0;flex-direction:column;gap:7px;padding:10px;display:flex}.book-card img{object-fit:contain;width:100%;height:185px;margin-bottom:10px}.book-card h3{margin:0;font-size:14px;line-height:1.45}.book-card small,.book-card span{font-size:11px}.search{max-width:400px}.record{background:#fff;border-radius:18px;margin:16px 0;padding:24px;box-shadow:0 5px 28px #5a4e2610}.record h3{font-size:17px}.record audio{width:min(100%,480px);margin:16px 0;display:block}.record p{font-size:13px}.empty{text-align:center;padding:60px}.overlay{z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#25211180;justify-content:center;align-items:center;padding:22px;display:flex;position:fixed;inset:0}.modal{background:#fffdf7;border-radius:24px;width:100%;max-width:920px;max-height:92vh;padding:28px;overflow:auto;box-shadow:0 18px 70px #0003}.modal>header{justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px;display:flex}.modal>header h2{margin:0;font-size:22px}.modal.small{gap:18px;max-width:450px;display:grid}.lesson-controls,.lesson-nav{justify-content:space-between;gap:12px;display:flex}.lesson-controls select{width:auto;max-width:60%}.sentence{text-align:center;background:#fff;border-radius:16px;margin:20px 0;padding:35px 24px}.sentence h2{letter-spacing:-.4px;margin:15px 0;font-size:32px;line-height:1.4}.sentence .question{color:#978349;margin:20px 0 0;font-size:20px}.sentence .word{margin:12px 0;font-size:13px;display:block}.sentence button{margin:5px}.reading-voice-recorder{background:#fff2c8;border-radius:18px;margin-top:25px;padding:22px}.reading-voice-recorder h3{font-size:18px}.reading-voice-recorder p{font-size:13px}.button-wrap{flex-wrap:wrap;gap:10px;display:flex}.reading-audio-preview{flex-wrap:wrap;align-items:center;gap:10px;margin:15px 0;display:flex}.reading-audio-preview audio{max-width:100%}.reading-voice-recorder small,.hint{font-size:12px}.book-video-frame{aspect-ratio:16/9;background:#f0e6cc;border-radius:14px;width:100%;overflow:hidden}.book-video-frame iframe{border:0;width:100%;height:100%}.book-video-actions{flex-wrap:wrap;gap:10px;margin:12px 0;display:flex}.book-video-actions a{background:#f0e6cc;border-radius:10px;padding:10px}.book-video-fallback{text-align:center;background:#f8efd7;border-radius:16px;padding:28px}.book-video-fallback a{margin:10px;display:inline-block}.book-video iframe{border:0;width:100%;min-height:360px}.book-video-note{color:#827456;font-size:13px}footer{text-align:center;color:#a99d83;padding:55px 0 30px;font-size:11px}fieldset{border:0;padding:0}button,select{-webkit-tap-highlight-color:transparent}@media (max-width:760px){.welcome{grid-template-columns:1fr;gap:25px;padding:28px 24px}.welcome-copy>img{width:55px;margin-bottom:20px}.welcome h1{font-size:32px}.welcome-copy p,.welcome-icons{display:none}.login{gap:16px;padding:28px}.study{padding:0 20px}.greeting{padding:26px}.greeting h1{font-size:26px}.greeting-art{padding-right:18px;font-size:72px}.greeting-art span{font-size:32px}.series-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.cover-button{padding:4px}.cover-button img{height:140px}.cover-button h3{font-size:13px}.rating button{min-width:24px;font-size:24px}.book-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.book-card img{height:150px}.modal{padding:20px}.sentence h2{font-size:26px}}@media (max-width:440px){.brand b{font-size:16px}.top{gap:6px}.top button{padding:8px;font-size:11px}.tabs button{padding:12px 10px;font-size:13px}.series-grid,.book-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.greeting-art{display:none}.overlay{padding:10px}.lesson-controls{flex-wrap:wrap}.lesson-controls select{max-width:100%}.sentence{padding:22px 14px}.sentence h2{font-size:24px}.section-title>span{display:none}}.happy-modal{width:min(940px,96vw);max-width:940px}.happy-modal>header{align-items:flex-start}.happy-modal>header h2{margin:7px 0;font-size:30px}.happy-modal>header p{color:#817862;margin:0}.happy-modal>header small{letter-spacing:2px;color:#857840;font-size:10px}.happy-banner{background:#fff3b5;border-radius:20px;justify-content:space-between;align-items:center;gap:18px;margin:24px 0;padding:24px;display:flex}.happy-banner b{font-size:20px}.happy-banner p{color:#73652f;margin:8px 0 0}.happy-banner>span{white-space:nowrap;font-size:24px}.happy-units{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.happy-unit{text-align:left;white-space:normal;background:#faf8f1!important;padding:22px!important}.happy-unit.achieved{background:#fff1a5!important}.happy-unit .unit-icon{margin-bottom:16px;font-size:32px;display:block}.happy-unit small{letter-spacing:2px;color:#887637}.happy-unit h3{min-height:54px;font-size:18px;line-height:1.5}.happy-unit p{color:#7f7866;font-size:12px}.happy-unit progress{accent-color:#e8b923;width:100%;height:6px;margin:16px 0;display:block}.happy-unit strong{font-size:13px}.happy-stamps{text-align:center;background:#faf8f1;border-radius:20px;padding:24px}.happy-stamps>div{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.happy-stamps span{color:#999380;background:#eae7dc;border-radius:50%;place-items:center;width:42px;height:42px;display:grid}.happy-stamps .filled{color:#645018;background:#f8d448}.happy-stamps p{color:#82785c;font-size:13px}.happy-guide{color:#797058;font-size:14px;line-height:1.8}.happy-dialogue{margin:24px 0;padding:0;list-style:none}.happy-dialogue li{background:#faf9f4;border-radius:14px;align-items:baseline;gap:20px;margin:4px 0;padding:20px 18px;display:flex}.happy-dialogue li:nth-child(2n){background:#f1f6ef}.happy-dialogue li>span{color:#97917c;font-size:12px}.happy-dialogue p{word-break:keep-all;margin:0;font-size:22px;line-height:1.7}.happy-modal .reading-voice-recorder{z-index:3;background:#fffdf6;border-radius:18px;padding:18px;position:sticky;top:0;box-shadow:0 8px 24px #66552212}.happy-modal .reading-voice-recorder>p{font-size:13px}.happy-modal .reading-voice-recorder h3{margin:0 0 8px}.happy-modal .reading-audio-preview label{align-items:center;gap:8px;display:flex}.happy-modal input[type=checkbox]{flex-shrink:0;width:20px;height:20px}.happy-celebration{text-align:center;background:#fff1a0;border-radius:24px;margin:20px 0;padding:30px;animation:.5s ease-out happy-pop}.happy-celebration>span{font-size:42px}.happy-celebration h2{font-size:26px}@keyframes happy-pop{0%{opacity:0;transform:scale(.93)}to{opacity:1;transform:scale(1)}}@media (max-width:650px){.happy-units{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.happy-unit{padding:16px!important}.happy-unit h3{font-size:15px}.happy-banner{padding:18px}.happy-banner b{font-size:16px}.happy-banner>span,.happy-dialogue p{font-size:19px}.happy-modal .reading-voice-recorder>p{display:none}.happy-stamps span{width:28px;height:28px}.happy-stamps>div{gap:4px}.happy-modal>header h2{font-size:26px}}@media (prefers-reduced-motion:reduce){.happy-celebration{animation:none}}.happy-steps{flex-wrap:wrap;gap:8px;margin:20px 0;display:flex}.happy-steps button{color:#706456;background:#fff;border:1px solid #e5dfd3;border-radius:12px;flex:1;min-width:155px;padding:14px 10px;font-weight:700}.happy-steps button.active,.happy-line-dots button.active{color:#fff;background:#6653a3;border-color:#6653a3}.happy-listen{background:#f5f1fc;border-radius:18px;margin-bottom:20px;padding:24px}.happy-listen h3{margin:10px 0;font-size:23px}.happy-listen audio{width:100%;margin:16px 0}.happy-listen label{align-items:center;gap:8px;display:flex}.happy-listen select{border:1px solid #ddd;border-radius:8px;padding:8px}.happy-listen>button{margin-top:15px}.happy-english{color:#6653a3;font-weight:600}.happy-line-progress{align-items:center;gap:16px;margin:24px 0 14px;font-weight:700;display:flex}.happy-line-progress progress{accent-color:#8f78be;flex:1;height:8px}.happy-sentence{text-align:center;background:#fffaf0;border:1px solid #eee3cc;border-radius:22px;padding:32px 26px}.happy-sentence>small:first-child,.happy-listen>small{letter-spacing:2px;color:#9a8152;font-size:11px;font-weight:800}.happy-prompt{color:#3e3747;word-break:keep-all;margin:28px 0;font-size:clamp(23px,4vw,34px);font-weight:750;line-height:1.6}.happy-sentence .button-wrap{justify-content:center;margin:22px 0}.happy-answer{color:#9a8e7c;background:#f1ede5;border-radius:14px;flex-direction:column;justify-content:center;min-height:130px;margin-bottom:16px;padding:22px;display:flex}.happy-answer.revealed{color:#483676;background:#eee8fa}.happy-answer p[lang=en]{margin:8px 0;font-size:clamp(22px,4vw,30px);font-weight:650;line-height:1.5}.happy-line-nav{justify-content:space-between;gap:12px;margin:18px 0;display:flex}.happy-line-dots{flex-wrap:wrap;justify-content:center;gap:7px;margin:24px 0;display:flex}.happy-line-dots button{border:1px solid #dfd7e8;border-radius:50%;width:38px;height:38px;padding:0}.happy-line-nav button:disabled{opacity:.4;cursor:default}@media (max-width:600px){.happy-steps{gap:5px}.happy-steps button{min-width:0;padding:12px 6px;font-size:12px}.happy-sentence{padding:24px 16px}.happy-listen{padding:20px 16px}.happy-line-progress{font-size:13px}}.nuance-modal{background:#fcfbf7;width:calc(100% - 24px);max-width:900px;padding:32px}.nuance-header{border-bottom:0;justify-content:space-between;align-items:flex-start;gap:20px;display:flex}.nuance-header small{letter-spacing:2px;color:#9a803f;font-size:10px;font-weight:800}.nuance-header h2{color:#252e40;margin:10px 0 6px;font-size:30px}.nuance-header p{color:#8c8478}.nuance-intro{background:#f5e9bb;border-radius:22px;align-items:center;gap:28px;margin:24px 0;padding:26px;display:flex}.nuance-intro img{border-radius:3px;width:95px;box-shadow:4px 8px 18px #644f3e22}.nuance-intro h3{margin:0 0 12px;font-size:23px}.nuance-intro p{line-height:1.8}.nuance-intro span{color:#7b6834;font-size:12px}.nuance-filters{gap:8px;margin:24px 0;display:flex}.nuance-filters button,.vocabulary-filters button{background:#eeeae0;border:0;border-radius:30px;padding:10px 20px}.nuance-filters button.active,.vocabulary-filters button.active{color:#fff;background:#253449}.nuance-unit-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.nuance-unit-grid>button{text-align:left;background:#fff;border:0;border-radius:15px;padding:22px 18px;transition:transform .15s;box-shadow:0 4px 16px #28314b07}.nuance-unit-grid>button:hover{background:#fff8df;transform:translateY(-3px)}.nuance-unit-grid small{letter-spacing:1px;color:#ab8a34;font-size:10px;font-weight:800}.nuance-unit-grid h3{margin:14px 0 9px;font-size:18px}.nuance-unit-grid p{color:#8a8b8e;min-height:42px;font-size:12px;line-height:1.8}.nuance-unit-grid span{color:#92908a;justify-content:space-between;margin-top:18px;font-size:11px;display:flex}.nuance-unit-grid b{color:#334359}.nuance-unit-top{justify-content:space-between;align-items:center;gap:12px;margin-top:20px;display:flex}.nuance-unit-top span{color:#8e877b;font-size:12px}.nuance-unit-title{margin:22px 0;font-size:28px}.nuance-player{z-index:2;background:#fff2bd;border-radius:18px;padding:22px;position:sticky;top:-1px;box-shadow:0 4px 20px #4b3a2410}.nuance-player>div:first-child{align-items:center;gap:14px;font-size:13px;display:flex}.nuance-status{color:#817140;background:#fff8df;border-radius:20px;padding:6px 10px;font-size:11px}.nuance-status.playing{color:#fff;background:#24364b}.nuance-player audio{width:100%;height:40px;margin:14px 0}.nuance-controls,.nuance-options{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.nuance-options{gap:24px;margin-top:14px;font-size:12px}.nuance-options label{align-items:center;gap:8px;display:flex}.nuance-options select{border:0;border-radius:7px;padding:6px}.nuance-words{gap:18px;margin:24px 0;padding:0;list-style:none;display:grid}.nuance-words>li{background:#fff;border-radius:18px;padding:25px;box-shadow:0 5px 20px #28314b05}.nuance-words>li.current{background:#fffaf0;box-shadow:inset 4px 0 #e3b842}.nuance-word-heading{align-items:center;gap:15px;display:flex}.nuance-word-heading>span{color:#bba664;font-size:12px}.nuance-word-heading>div{flex:1}.nuance-word-heading h4{color:#24334a;margin:0;font-size:28px}.nuance-word-heading p{color:#898276;margin:5px 0;font-size:13px}.nuance-word-heading button{font-size:12px}.nuance-definition{color:#64748b;font-size:16px;line-height:1.6}.nuance-example{background:#f6f7f8;border-radius:12px;margin-top:18px;padding:18px 20px}.nuance-example small{letter-spacing:2px;color:#a5a9af;font-size:9px;font-weight:800}.nuance-example p{margin:10px 0;font-size:17px;line-height:1.8}.nuance-example button{color:#897137;background:0 0;border:0;padding-left:0;font-size:11px}.nuance-disclosure{color:#99918a;text-align:center;margin:28px 0 0;font-size:11px}.vocabulary-filters{gap:8px;margin:0 0 22px;display:flex}@media (max-width:650px){.nuance-modal{padding:20px 15px}.nuance-header h2{font-size:24px}.nuance-intro{gap:17px;padding:20px 16px}.nuance-intro img{width:72px}.nuance-intro h3{font-size:18px}.nuance-intro p{font-size:12px}.nuance-unit-grid{grid-template-columns:repeat(2,1fr);gap:10px}.nuance-unit-grid>button{padding:18px 13px}.nuance-unit-grid h3{font-size:16px}.nuance-words>li{padding:18px 16px}.nuance-word-heading h4{font-size:24px}.nuance-player{padding:16px 12px}.nuance-controls button{padding:10px;font-size:12px}.nuance-unit-top span{font-size:10px}.nuance-example{padding:15px}.nuance-example p{font-size:16px}}.password-field{gap:8px;display:grid}.password-control{align-items:center;display:flex;position:relative}.password-control input{min-width:0;padding-right:94px}.password-control button{color:#72603c;background:0 0;border-radius:8px;justify-content:center;align-items:center;gap:5px;min-height:38px;padding:4px 10px;font-size:12px;display:flex;position:absolute;top:4px;bottom:4px;right:4px}.password-control button:hover{background:#f6efda}.password-control input:focus-visible{outline-offset:2px;outline:3px solid #d7ab2b}.nuance-player-help{color:#817140;margin:12px 0 0;font-size:11px;line-height:1.6}.nuance-example-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.nuance-example .nuance-example-play{color:#304a64;background:#e9eef4;border-radius:8px;min-height:44px;padding:10px 13px;font-size:12px;font-weight:700}.nuance-player>div:first-child{flex-wrap:wrap}.nuance-player>div:first-child b{overflow-wrap:anywhere}