@font-face{font-family:'Tuna Study Sans';src:url('assets/fonts/tuna-study-regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Tuna Study Sans';src:url('assets/fonts/tuna-study-semibold.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Tuna Study Sans';src:url('assets/fonts/tuna-study-bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'Tuna Study English';src:url('assets/fonts/archivo-variable.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
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/* TUNA VOCA FLASH · learning first */
:root{--ink:#1d2344;--muted:#636d83;--accent:#252582;--soft:#efeffa;--line:#e3e5ee;--paper:#f7f8fc}
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@media(max-width:1060px){.app-shell{grid-template-columns:184px 1fr}.sidebar{padding:28px 16px}.brand-logo{width:150px}.nav-btn{font-size:13px;padding:13px 10px}.content{padding:26px}.app-topbar{padding:0 26px}.workspace-grid{grid-template-columns:1fr;gap:20px}.aside-panels{display:grid;grid-template-columns:1fr 1fr;gap:18px}.goal-panel{grid-row:span 2}.review-shortcut,.book-note{margin:0}.welcome h1{font-size:27px}.welcome-date{display:none}.secondary-modes .mode-btn{padding:14px 10px}.secondary-modes .mode-btn strong{font-size:13px}.secondary-modes .mode-btn small{font-size:10px}.secondary-modes .mode-icon{font-size:18px;width:20px}.learning-totals{gap:16px}.content .word-table td{padding:15px 18px}}
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h2{font-size:17px}.step-label{font-size:10px;margin-bottom:3px}.panel-head>span{font-size:11px}.panel-body{padding:18px}.course-nav{gap:5px}.course-btn{padding:10px 1px;border-radius:7px}.course-btn b{font-size:21px}.course-btn small{font-size:6.5px;margin-top:4px}.course-caption{font-size:12px;line-height:1.6;margin:12px 0 14px}.controls{grid-template-columns:1fr 1fr;gap:10px}.controls .control:first-child{grid-column:1/-1}.control label{font-size:11px;margin-bottom:4px}.control select{font-size:13px;min-height:43px;padding:8px 10px}.scope-summary{font-size:11px;margin-top:13px}.scope-progress{margin:7px 0 17px;height:4px}.start-section>.step-label{margin-bottom:8px}.start-primary{padding:16px 17px;gap:12px;border-radius:10px}.start-primary strong{font-size:17px}.start-primary small{font-size:11px;line-height:1.6}.start-symbol{font-size:27px;width:27px}.start-arrow{font-size:23px}.secondary-modes{gap:6px;margin-top:10px}.secondary-modes .mode-btn{display:block;text-align:center;padding:12px 3px;border-radius:8px}.secondary-modes .mode-icon{display:none}.secondary-modes .mode-btn strong{font-size:12px}.secondary-modes .mode-btn small{font-size:9px;line-height:1.7;white-space:nowrap}.study-micro{font-size:10px;line-height:1.8;margin-top:12px}.aside-panels{display:grid;grid-template-columns:1fr;gap:16px}.goal-panel{grid-row:auto;display:grid;grid-template-columns:1fr 108px;gap:8px;padding:20px}.goal-heading{grid-column:1}.goal-heading .eyebrow{font-size:9px}.goal-heading .text-btn{font-size:10px}.goal-panel h3{grid-column:1;margin-top:2px;font-size:17px}.goal-panel .goal-ring{grid-column:2;grid-row:1/5;align-items:center;justify-content:end;margin:0}.goal-panel .ring{width:100px;height:100px}.goal-panel .ring>div{width:86px;height:86px}.goal-panel .ring strong{font-size:27px}.goal-panel .ring strong small{font-size:10px}.goal-panel .ring small{font-size:8px}.goal-panel p{grid-column:1;text-align:left;font-size:10px}.goal-streak{grid-column:1;text-align:left;margin:2px 0 0;background:none;padding:0;font-size:11px}.review-shortcut{padding:20px;margin:0}.review-shortcut h3{font-size:16px}.review-counts{margin:12px 0 16px}.review-counts strong{font-size:28px}.review-counts span{font-size:12px}.review-shortcut p{font-size:11px}.book-note{margin:0;padding:20px}.book-note p{font-size:12px}.book-note .text-btn{font-size:12px}.library-panel{margin-top:18px}.library-panel .panel-head{flex-wrap:wrap}.word-table th{font-size:11px}.word-table th,.word-table td,.content .word-table td{padding:13px 12px}.word-table .word-button{font-size:16px}.word-table .word-sub{font-size:10px;line-height:1.6}.word-table .meaning{font-size:12px;line-height:1.8}.word-table th:first-child{width:38%}.word-table th:last-child{width:44px}.star-btn{font-size:20px;width:32px;padding:6px 0;min-height:36px}.learning-totals{flex-wrap:wrap;gap:8px 20px;font-size:11px;justify-content:flex-start;margin-top:20px;padding:16px 2px}.learning-totals b{font-size:14px}.small-note{font-size:11px;line-height:1.8;margin-top:4px}.page-heading{margin-bottom:20px}.page-heading h1{font-size:25px;margin-top:6px;line-height:1.5}.page-heading p{font-size:13px}.today-date{display:none}.eyebrow{font-size:10px}.search-field,.chip{font-size:12px;min-height:40px}.table-footer{font-size:11px;padding:12px}.table-footer button{font-size:11px;min-height:38px}.mobile-nav{padding:8px 8px max(8px,env(safe-area-inset-bottom));box-shadow:0 -5px 18px #25258204}.mobile-nav button{font-size:10px;min-height:46px;gap:5px;padding:5px;color:#636d83}.mobile-nav button span{font-size:19px}.mobile-nav button.active{background:#f4f4fc;border-radius:9px}.session-header h1{font-size:23px}.session-header>div>span{font-size:11px}.session-header>button{font-size:11px;min-height:40px;padding:8px 10px}.session-progress{margin:16px 0 17px;height:5px}.session-counter{font-size:10px;gap:10px;margin-bottom:13px}.session-counter b{font-size:13px;white-space:nowrap}.flash-card{padding:52px 23px 26px;min-height:360px;border-radius:15px}.flash-meta{font-size:10px;top:20px;left:22px}.flash-card>.star-btn{top:14px;right:16px}.word-front{font-size:39px;line-height:1.4;margin:0}.ipa{font-size:14px;margin-top:8px}.sound-button{font-size:11px;margin-top:12px}.recall-prompt{margin-top:21px;width:100%}.recall-prompt>p{font-size:12px}.meaning-blanks{gap:10px;margin-top:14px}.sense-number{font-size:20px}.blank-line{height:25px}.reveal-btn{font-size:13px;min-height:44px;margin-top:23px;padding:10px 18px}.reveal-btn small{font-size:9px}.meaning-answers{font-size:16px;gap:13px;line-height:1.85}.meaning-answers .sense-number{font-size:20px}.card-answer{margin-top:23px;padding-top:21px}.example .en{font-size:15px;line-height:1.8}.example .ko{font-size:12px;line-height:1.8}.card-tip,.card-extra{font-size:12px;line-height:1.8}.card-tip strong{font-size:10px}.source-note{font-size:10px;line-height:1.7}.grade-row{gap:10px;margin-top:14px}.grade-btn{font-size:14px;min-height:72px;padding:14px 8px;border-radius:10px}.grade-btn small{font-size:10px}.keyboard-note{font-size:11px;margin-top:14px;line-height:1.8}.quiz-prompt{font-size:12px;line-height:1.8}.question-word{font-size:36px;margin:22px 0}.question-meaning{font-size:18px;line-height:1.85}.option{font-size:14px;padding:15px;border-radius:9px;gap:12px;min-height:60px}.option span{font-size:11px;min-width:24px;height:24px}.options{grid-template-columns:1fr;gap:10px}.answer-form{flex-wrap:wrap}.answer-form input{font-size:18px;min-height:49px}.answer-form .btn{width:100%;font-size:13px;min-height:44px}.hint-row,.hint-row button{font-size:11px;line-height:1.8}.hint-row button{white-space:nowrap;min-height:40px}.feedback{padding:22px}.feedback>strong{font-size:15px}.feedback p{font-size:13px}.feedback .btn{font-size:13px}.result-panel{padding:32px 21px}.result-panel h2{font-size:23px}.result-panel>p,.finish-note,.result-stats span{font-size:12px}.result-actions .btn{font-size:12px;min-height:44px}.history-row h3{font-size:13px}.history-row p{font-size:11px}.stat>span,.stat p{font-size:11px}.stat strong small{font-size:12px}.weekly .day-bar b,.weekly .day-bar span{font-size:11px}.empty p{font-size:13px}#toast{bottom:84px;font-size:12px}}
@media(max-width:360px){.app-topbar{padding:0 14px}.mobile-brand img{width:72px}.mobile-brand>span{font-size:9px}.header-buy{font-size:10px}.top-badge{gap:8px}.content{padding-left:12px;padding-right:12px}.panel-body{padding:15px}.welcome h1{font-size:23px}.start-primary strong{font-size:16px}.start-primary small{font-size:10px}.secondary-modes .mode-btn small{font-size:8px}}
@media(min-width:761px){.app-topbar{height:64px}.content{padding-top:24px}.welcome{margin-bottom:20px}.welcome h1{font-size:28px;margin-top:5px}.welcome p:not(.eyebrow){font-size:13px;margin-top:5px}.learn-panel .panel-head{padding-top:16px;padding-bottom:16px}.learn-panel .panel-body{padding-top:20px}.learn-panel .course-btn{padding-top:10px;padding-bottom:10px}.learn-panel .scope-progress{margin-bottom:17px}.start-primary{padding-top:16px;padding-bottom:16px}}
/* Six course themes follow the accents on the original book covers. */
.course-btn[data-course="000"]{--course:#303541;--course-soft:#f1f2f5;--course-line:#cdd0d9}
.course-btn[data-course="111"]{--course:#303087;--course-soft:#ededfa;--course-line:#cccced}
.course-btn[data-course="222"]{--course:#146b70;--course-soft:#eaf6f5;--course-line:#b8deda}
.course-btn[data-course="333"]{--course:#995113;--course-soft:#fff3e5;--course-line:#f0d0a8}
.course-btn[data-course="444"]{--course:#69428b;--course-soft:#f3edf9;--course-line:#dbcaeb}
.course-btn[data-course="555"]{--course:#a23550;--course-soft:#fceff2;--course-line:#ecc5cf}
/* Quiet course tiles: one border, balanced numerals, consistent Korean labels. */
.course-nav{gap:8px}
.course-btn,.learn-panel .course-btn{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-width:0;min-height:84px;padding:14px 2px 16px;background:color-mix(in srgb,var(--course-soft) 65%,white);color:var(--course);border:1px solid color-mix(in srgb,var(--course-line) 60%,white);border-radius:12px;outline:none;transition:background .16s,border-color .16s,box-shadow .16s}
.course-btn b{font:600 27px/1 'Tuna Study Sans',sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.9px}
.course-btn small{color:var(--course);font:600 12px/1.2 'Tuna Study Sans',sans-serif;letter-spacing:-.2px;margin:0}
.course-name-en{display:none}.course-name-ko{display:inline}
.course-btn:hover{background:var(--course-soft);border-color:var(--course-line)}
.course-btn[aria-selected=true]{background:var(--course);border-color:var(--course);color:#fff;outline:none;box-shadow:0 3px 8px #19243912}
.course-btn[aria-selected=true] small{color:#fff}
.course-btn[aria-selected=true]::after{content:'';position:absolute;width:14px;height:2px;background:#fff;border-radius:2px;bottom:6px;left:50%;transform:translateX(-50%)}
.course-btn:focus-visible{outline:3px solid #ffb266;outline-offset:3px}
.course-btn[data-course="333"]{--course:#ae5b0f}
.nav-icon svg{width:20px;height:20px;display:block}.mobile-nav svg{width:21px;height:21px;display:block}
@media(max-width:760px){.course-nav{gap:6px}.course-btn,.learn-panel .course-btn{min-height:70px;padding:11px 1px 14px;gap:6px;border-radius:10px}.course-btn b{font-size:23px;letter-spacing:-.8px}.course-btn small{font-size:11px}}
@media(max-width:380px){.course-nav{gap:5px}.course-btn,.learn-panel .course-btn{min-height:64px;border-radius:9px;gap:5px}.course-btn b{font-size:20px;letter-spacing:-.7px}.course-btn small{font-size:10px}}
@media(max-width:760px) and (max-height:760px){.content{padding-top:16px}.welcome{margin-bottom:14px}.learn-panel .panel-head{padding-top:14px;padding-bottom:14px}.learn-panel .panel-body{padding-top:14px}.course-caption{margin-top:10px;margin-bottom:12px}.scope-progress{margin-bottom:12px}.start-section>.step-label{margin-bottom:6px}.start-primary{padding-top:13px;padding-bottom:13px}}

/* One-line program name with the supplied fonts. */
body{font-family:'Tuna Study Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;letter-spacing:-.15px}
.mobile-brand>span{max-width:none;white-space:nowrap;flex-shrink:0;font-size:11.5px;line-height:1;letter-spacing:1.1px;font-weight:700}
.logo small{white-space:nowrap;font-weight:700;letter-spacing:2px}
.word-front,.question-word{font-weight:600;letter-spacing:-.7px}.word-table .word-button{font-weight:600;letter-spacing:0}
.welcome h1,.page-heading h1{font-weight:700;letter-spacing:-1px}.start-primary strong{font-weight:700;letter-spacing:-.35px}
@media(max-width:420px){.mobile-brand{gap:9px}.mobile-brand img{width:72px}.mobile-brand>span{font-size:11px;letter-spacing:.8px}.top-badge{gap:9px}.app-topbar{gap:8px}}
@media(max-width:360px){.mobile-brand{gap:7px}.mobile-brand img{width:58px}.mobile-brand>span{font-size:10.5px;letter-spacing:.6px}.app-topbar{padding-left:14px;padding-right:14px}.header-buy{font-size:10px}.top-badge{gap:8px}}

.ipa{font-family:'Tuna Study Sans','Arial',sans-serif}
.lecture-banner{height:44px;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:0 36px;background:#fff7f7;border-bottom:1px solid #f0e1e4}
.lecture-banner>div{display:flex;align-items:center;gap:9px;min-width:0}.lecture-play{font-size:10px;color:#fff;background:#ce3131;border-radius:5px;display:grid;place-items:center;width:25px;height:18px;flex-shrink:0}
.lecture-banner strong{font-size:12px;font-weight:600;color:#4b3040}.lecture-banner a{display:inline-flex;align-items:center;gap:9px;min-height:40px;font-size:12px;font-weight:700;color:#b72d35;white-space:nowrap}.lecture-banner a:hover{text-decoration:underline}
@media(max-width:760px){.lecture-banner{padding:0 18px;gap:10px}.lecture-banner strong,.lecture-banner a{font-size:11px}.lecture-banner a{gap:6px}}
@media(max-width:360px){.lecture-banner{padding:0 14px;gap:8px}.lecture-banner>div{gap:7px}.lecture-banner strong,.lecture-banner a{font-size:10px}.lecture-play{width:22px;height:17px}}
@media(max-width:760px) and (max-height:760px){.welcome p:not(.eyebrow){display:none}.learn-panel .panel-head .step-label{display:none}}

/* Give the app name greater emphasis than the brand mark. */
.brand-logo{width:112px}.logo small{font-size:18px;line-height:1.15;letter-spacing:1px;margin-top:14px}
@media(max-width:760px){.mobile-brand{gap:10px}.mobile-brand img{width:64px;flex-shrink:0}.mobile-brand>span{font-size:16px;letter-spacing:.5px}}
@media(max-width:420px){.mobile-brand{gap:8px}.mobile-brand img{width:54px}.mobile-brand>span{font-size:14px;letter-spacing:.35px}}
@media(max-width:360px){.mobile-brand{gap:6px}.mobile-brand img{width:44px}.mobile-brand>span{font-size:13px;letter-spacing:.2px}}

/* Source usage cues support recall without revealing Korean answers. */
.sense-recall{flex:1;min-width:0;text-align:left}.sense-recall .blank-line{display:block;width:100%}.meaning-blanks li{align-items:flex-end}.sense-cue{display:block;font:600 16px/1.6 'Tuna Study English','Tuna Study Sans',sans-serif;color:#404568;overflow-wrap:anywhere;margin-bottom:3px}
.usage-context{text-align:left;border:1px solid #e5e7ef;background:#f8f9fc;border-radius:12px;padding:16px 18px;margin-top:22px}.usage-context>p{font-size:12px;font-weight:600;color:#4f5771}.usage-context>p span{display:block;font-size:11px;font-weight:400;color:#737d91;margin-top:2px}.usage-context ul{padding:0;margin:10px 0 0;list-style:none;display:grid;gap:8px}.usage-context li{font:400 15px/1.7 'Tuna Study English','Tuna Study Sans',sans-serif;color:#414b61;overflow-wrap:anywhere}.usage-context li+li{border-top:1px solid #e8ebf1;padding-top:8px}.recall-prompt:has(.usage-context){width:min(100%,580px)}
@media(max-width:760px){.sense-cue{font-size:14px}.usage-context{padding:14px;margin-top:18px}.usage-context li{font-size:14px}}

.usage-patterns{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}.usage-patterns>span{font:600 13px/1.5 'Tuna Study English','Tuna Study Sans',sans-serif;color:#414767;background:#eef0f8;border-radius:6px;padding:5px 9px;overflow-wrap:anywhere;max-width:100%}.usage-patterns+.usage-example-title{margin-top:16px}

.meaning-blanks li{align-items:flex-start}.meaning-blanks .sense-number{line-height:26px}.sense-cue{line-height:26px}