:root{font-family:"DM Sans","Noto Sans JP",sans-serif;color:#202b3c;background:#f6f8fb;font-synthesis:none;text-rendering:optimizeLegibility;--muted:#8993a3;--line:#e9edf3;--blue:#5375ee;--navy:#18243b}*{box-sizing:border-box}body{margin:0;min-width:360px;min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:248px;background:#fff;border-right:1px solid var(--line);padding:25px 17px 16px;display:flex;flex-direction:column;z-index:3}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:-.5px;color:#202b3c;text-decoration:none;margin:0 0 42px 4px}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:#5978ef;color:white;font-family:Georgia,serif;font-size:22px;font-style:italic;box-shadow:0 4px 9px #5877ef3b}.brand-light{font-weight:400;color:#697587}.side-label{color:#a1a9b6;font-size:10px;font-weight:700;letter-spacing:1.5px;margin:0 9px 12px}.side-nav{display:grid;gap:4px}.nav-item{display:flex;align-items:center;gap:12px;border:0;background:transparent;color:#677386;text-align:left;padding:11px 12px;border-radius:8px;font-size:12px;font-weight:600}.nav-item.active{background:#f0f3ff;color:#5271e6}.nav-icon{font-family:Arial,sans-serif;font-size:17px;width:19px;text-align:center}.nav-count{margin-left:auto;border-radius:10px;background:#fff;padding:3px 8px;font-size:10px;color:#7280a0}.deck-label{display:flex;align-items:center;justify-content:space-between;margin-top:35px}.side-plus{font-size:16px;letter-spacing:0;cursor:pointer;color:#929aab}.deck-nav{display:grid;gap:3px;overflow:auto}.deck-link{display:flex;gap:10px;align-items:center;padding:10px 11px;border-radius:8px;color:#647084;font-size:12px;min-width:0;cursor:pointer}.deck-link:hover{background:#f7f8fb}.deck-link .deck-color{width:8px;height:8px;border-radius:3px;flex:none}.deck-link .deck-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.deck-link .deck-n{margin-left:auto;color:#9aa3b2;font-size:10px}.sidebar-bottom{margin-top:auto}.sync-card{display:flex;align-items:flex-start;gap:10px;padding:13px 9px;border-top:1px solid var(--line);margin-bottom:10px}.sync-dot{width:8px;height:8px;border-radius:50%;background:#54c79d;margin-top:5px;box-shadow:0 0 0 3px #54c79d1f}.sync-card strong,.sync-card small{display:block}.sync-card strong{font-size:11px;font-weight:600}.sync-card small{font-size:9px;color:#9aa3b0;margin-top:4px}.import-button{width:100%;background:#fff;border:1px dashed #cfd7e5;border-radius:8px;color:#596a87;padding:10px 7px;font-size:10px;font-weight:600}.import-button span{font-size:15px;color:#6481e9;margin-right:4px}.sidebar-foot{display:flex;align-items:center;gap:9px;margin-top:18px;padding:12px 7px 2px;border-top:1px solid var(--line);font-size:10px;color:#768194}.avatar,.profile-button{display:grid;place-items:center;width:25px;height:25px;background:#ffeadb;border-radius:50%;color:#a75c29;font-size:10px;font-weight:700}.more{margin-left:auto;font-size:18px}.main{margin-left:248px;min-height:100vh;display:flex;flex-direction:column}.topbar{height:62px;border-bottom:1px solid var(--line);background:#ffffffb8;display:flex;align-items:center;justify-content:space-between;padding:0 44px}.breadcrumbs{display:flex;gap:10px;align-items:center;font-size:10px;color:#9aa3b1}.breadcrumbs strong{font-size:10px;color:#566174;font-weight:600}.crumb-divider{color:#d0d5df}.top-actions{display:flex;align-items:center;gap:17px}.save-indicator{display:flex;align-items:center;gap:6px;color:#929baa;font-size:9px}.save-indicator i{display:block;width:6px;height:6px;border-radius:50%;background:#61c99f}.icon-button{border:1px solid 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41px}.stat-card{padding:18px 19px 16px;background:#fff;border:1px solid #edf0f5;border-radius:10px;min-height:112px;box-shadow:0 2px 5px #26395806}.stat-top{display:flex;justify-content:space-between;align-items:center;color:#7f8999;font-size:10px;font-weight:500}.stat-symbol{display:grid;place-items:center;width:25px;height:25px;border-radius:8px;font-size:14px}.blue{background:#edf2ff;color:#6483ee}.violet{background:#f2efff;color:#9778e8}.amber{background:#fff5e7;color:#e3a542}.stat-number{font-size:26px;font-weight:700;letter-spacing:-1px;margin-top:7px}.stat-number small{font-size:11px;color:#9aa3b1;font-weight:400;letter-spacing:0}.stat-foot{font-size:9px;color:#a1a9b6;margin-top:2px}.streak-dots{display:flex;align-items:center;gap:4px;margin-top:9px}.streak-dots i{width:7px;height:7px;border-radius:50%;background:#eceff4}.streak-dots i.done{background:#f0b54c}.streak-dots 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15px}.card-row:hover{border-color:#dce3f4}.card-content{min-width:0;cursor:pointer}.card-front{font-size:11px;color:#354157;line-height:1.6;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-back{font-size:9px;color:#8a95a5;line-height:1.6;margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-tag{display:inline-flex;align-items:center;gap:5px;color:#8290aa;font-size:8px;margin-top:8px}.card-tag i{width:6px;height:6px;border-radius:2px;background:#8ba0ef}.row-actions{display:flex;align-items:center;gap:7px}.row-action{background:#fff;border:1px solid #e9edf3;border-radius:5px;color:#8290a4;padding:6px 8px;font-size:9px}.row-action:hover{background:#f3f5ff;color:#5774e3}.pagination{display:flex;justify-content:space-between;align-items:center;margin-top:13px;color:#9ba4b1;font-size:9px}.pagination>div{display:flex;gap:5px}.page-arrow{border:1px solid #e9edf3;background:white;border-radius:5px;color:#7f899a;width:27px;height:26px}.empty-state{text-align:center;background:white;border:1px dashed #dfe4ed;border-radius:10px;padding:48px 20px;color:#8e99a9;font-size:11px}.empty-state .empty-icon{font-size:27px;color:#8295e7;margin-bottom:10px}.empty-state h3{color:#455269;font-size:13px;margin:2px 0 6px}.empty-state p{margin:0 0 15px;font-size:9px}.study-wrap{max-width:590px;margin:10px auto}.study-progress{font-size:9px;color:#9aa4b2;margin-bottom:10px}.study-track{height:4px;background:#e8ecf4;border-radius:5px;margin-bottom:14px;overflow:hidden}.study-track span{display:block;height:100%;background:#6a83ee}.study-card{min-height:245px;background:#fff;border:1px solid #e9edf3;border-radius:12px;padding:35px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:0 6px 20px #28395b08}.study-deck{font-size:9px;color:#8995a8;margin-bottom:18px}.study-front{font-size:20px;font-weight:600;line-height:1.6;color:#26334a}.study-back{border-top:1px solid #edf0f4;margin-top:24px;padding-top:19px;color:#637087;font-size:13px;line-height:1.8;max-width:100%;white-space:pre-wrap}.study-hint{font-size:9px;color:#a2abba;margin-top:22px}.study-controls{display:flex;justify-content:center;gap:8px;margin-top:12px}.study-controls button{border:0;border-radius:7px;padding:11px 20px;background:#eef2ff;color:#546fda;font-size:10px;font-weight:600}.study-controls button.flip{background:#5978ee;color:white}.study-controls button.good{background:#e9f7ef;color:#42956b}.study-controls button.easy{background:#f1edff;color:#8469d6}.study-complete{text-align:center;padding:50px 20px;background:#fff;border:1px solid #edf0f5;border-radius:12px}.study-complete .celebrate{font-size:30px;color:#e4b04e}.study-complete h2{font-size:18px}.study-complete p{font-size:10px;color:#929baa}.hidden{display:none!important}dialog{border:0;border-radius:13px;padding:0;width:min(500px,calc(100vw - 28px));box-shadow:0 24px 70px #24324a35;color:#243047}dialog::backdrop{background:#18243b55;backdrop-filter:blur(2px)}dialog form{padding:24px}.dialog-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:21px}.dialog-head h2{font-size:20px;margin:9px 0 0}.close-button{font-size:18px;width:29px;height:29px}.field-label{display:block;font-size:10px;font-weight:600;margin:14px 0;color:#647086}.field-label>span{float:right;font-size:8px;letter-spacing:1px;color:#a6aebb}.field-label textarea,.field-label select{display:block;width:100%;margin-top:7px;border:1px solid #e7ebf1;border-radius:7px;outline:0;padding:10px 11px;color:#38455b;font-size:11px;font-weight:400;resize:vertical}.field-label textarea:focus,.field-label select:focus{border-color:#92a6f3;box-shadow:0 0 0 3px #718bef1a}.field-label select{height:39px}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.secondary-button{border:1px solid #e6eaf0;background:white;color:#788396;border-radius:7px;padding:10px 14px;font-size:10px}.toast{position:fixed;bottom:23px;left:50%;transform:translate(-50%,12px);background:#26334a;color:#fff;padding:11px 17px;border-radius:7px;font-size:10px;opacity:0;pointer-events:none;transition:.2s;z-index:9;box-shadow:0 6px 24px #202e483b}.toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:1000px){.sidebar{width:210px}.main{margin-left:210px}.content{padding:35px 30px 20px}.topbar,.footer{padding-left:30px;padding-right:30px}}@media(max-width:720px){.sidebar{position:static;width:auto;height:auto;padding:12px 16px;border-right:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto;align-items:center}.brand{margin:0;font-size:16px}.sidebar>.side-label,.deck-label,.deck-nav,.sidebar-bottom{display:none}.side-nav{display:flex;gap:1px;grid-column:1/-1;margin-top:12px}.nav-item{padding:8px 11px}.main{margin:0}.topbar{height:48px;padding:0 17px}.content{padding:28px 17px 17px}.welcome-row{align-items:flex-end}.welcome-row .primary-button{padding:10px 11px;font-size:9px}.stats-grid{gap:7px;margin:24px 0 30px}.stat-card{min-height:100px;padding:13px 11px}.stat-number{font-size:22px}.stat-top{font-size:8px}.stat-symbol{width:22px;height:22px}.deck-grid{gap:8px}.deck-card{padding:12px;min-height:105px}.deck-card h3{font-size:10px}.footer{padding:0 17px}.page-heading{align-items:flex-end}.toolbar{flex-wrap:wrap}.search-box{flex-basis:100%}.toolbar select{flex:1}.card-row{padding:11px;gap:6px}.row-actions{gap:4px}.row-action{padding:6px;font-size:8px}.row-action .action-label{display:none}h1{font-size:25px}.bottom-note{line-height:1.7}}@media(max-width:430px){.stats-grid{grid-template-columns:1fr 1fr}.streak-card{grid-column:1/-1;min-height:88px}.streak-dots{margin-top:5px}.deck-grid{grid-template-columns:1fr}.welcome-row{align-items:flex-start;gap:9px;flex-direction:column}.welcome-row .primary-button{align-self:flex-end;margin-top:-33px}.footer{font-size:8px}.card-front{max-width:205px}}
:is(.card-front,.card-back,.study-front,.study-back) img{display:block;max-width:100%;max-height:340px;object-fit:contain;margin:8px auto;border-radius:5px}
.card-front img,.card-back img{max-height:140px;margin:5px 0}
.study-card img{max-height:420px}
.media-missing{display:inline-block;color:#a16d62;background:#fff4f1;border-radius:4px;padding:3px 6px;font-size:9px}
.study-setup{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap;padding:16px;background:#fff;border:1px solid var(--line);border-radius:10px;margin:0 0 8px}
.study-setup label{display:grid;gap:6px;min-width:210px;color:#69768b;font-size:11px;font-weight:600}
.study-setup select{height:42px;padding:0 32px 0 12px;border:1px solid #e3e8f0;border-radius:7px;background:#fff;color:#344157;font-size:13px}
.study-setup .primary-button{height:42px;font-size:12px}
.study-howto{margin:0 0 16px;color:#8994a5;font-size:11px;line-height:1.7}
.study-wrap{max-width:900px;margin:12px auto}
.study-progress{display:flex;justify-content:space-between;font-size:12px}
.study-card{min-height:58vh;padding:clamp(24px,5vw,56px);}
.study-deck{font-size:12px;margin-bottom:24px}
.study-front{font-size:clamp(25px,3vw,38px);line-height:1.65}
.study-back{font-size:clamp(21px,2.3vw,29px);line-height:1.8;border-top:1px solid #edf0f4;margin-top:0;padding-top:0;color:#344157;white-space:normal}
.study-card img{display:block;width:min(100%,820px);height:min(62vh,680px);max-height:68vh;object-fit:contain;margin:14px auto;border-radius:8px;cursor:zoom-in}
.card-front img,.card-back img{max-width:min(100%,560px);max-height:250px;margin:8px 0;cursor:zoom-in}
.study-controls button{font-size:14px;padding:14px 24px}
.image-dialog{position:fixed;inset:2vh 2vw;width:96vw;height:96vh;max-width:none;max-height:none;padding:46px 16px 16px;border:0;border-radius:12px;background:#101521;overflow:hidden}
.image-dialog::backdrop{background:#070a10e8;backdrop-filter:blur(4px)}
.image-dialog img{display:block;width:100%;height:100%;object-fit:contain}
.image-dialog-close{position:absolute;top:10px;right:12px;width:38px;height:38px;border:1px solid #ffffff55;border-radius:50%;background:#ffffff18;color:#fff;font-size:25px;line-height:1}
@media(max-width:720px){.study-setup{align-items:stretch}.study-setup label{min-width:100%;}.study-setup .primary-button{width:100%}.study-card{min-height:58vh;padding:24px 16px}.study-front{font-size:25px}.study-back{font-size:21px}.study-card img{max-height:62vh}.image-dialog{inset:1vh 1vw;width:98vw;height:98vh;padding:48px 8px 8px}}
@media(max-width:720px){.sidebar-bottom{display:block;grid-column:1/-1;margin-top:10px}.sidebar-bottom .sync-card,.sidebar-bottom .sidebar-foot{display:none}.import-button{max-width:100%}}

/* Keep long URLs and other unbroken strings inside card content. */
.card-front,.card-back,.study-front,.study-back{min-width:0;max-width:100%;overflow-wrap:anywhere;word-break:break-word}
.card-front,.card-back{white-space:normal;overflow:visible;text-overflow:clip}
.study-front,.study-back{white-space:normal}
.study-wrap{padding-bottom:104px}
.study-controls{position:fixed;z-index:6;left:248px;right:0;bottom:0;display:flex;justify-content:center;gap:12px;padding:14px 20px calc(14px + env(safe-area-inset-bottom));background:#ffffffed;border-top:1px solid #e5eaf2;box-shadow:0 -8px 24px #24395812;backdrop-filter:blur(10px)}
.study-controls button{min-width:130px}
@media(max-width:1000px){.study-controls{left:210px}}
@media(max-width:720px){.study-controls{left:0;gap:8px;padding:11px 12px calc(11px + env(safe-area-inset-bottom))}.study-controls button{flex:1;min-width:0;padding:13px 8px;font-size:13px}}
.study-front{font-size:clamp(18px,2.1vw,27px)}
.study-back{font-size:clamp(15px,1.6vw,20px)}
@media(max-width:720px){.study-front{font-size:18px}.study-back{font-size:15px}}

.tags{font-size:11px;color:#6976a0;margin-top:8px}.deck-actions{display:flex;justify-content:flex-end;margin-top:8px}.field-label input{display:block;width:100%;padding:10px;border:1px solid var(--line);border-radius:7px;margin-top:7px}.image-tools{display:flex;gap:12px;font-size:11px}.image-tools label{flex:1;min-width:0}.image-tools input{max-width:100%;display:block;margin-top:6px}.editor-help{font-size:11px;line-height:1.7;color:#788396}.card-front p,.card-back p{white-space:pre-wrap}#exportScope{font-size:11px;padding:5px;border:1px solid var(--line);border-radius:6px}.toast{max-width:calc(100vw - 30px);font-size:12px}.toolbar{flex-wrap:wrap}#exitFocus{display:none;position:fixed;right:18px;top:16px;z-index:8}.focus .sidebar,.focus .topbar,.focus .footer,.focus .page-heading,.focus .study-setup,.focus .study-howto{display:none}.focus .main{margin-left:0}.focus .content{width:100%;padding-top:65px}.focus .study-controls{left:0}.focus #exitFocus{display:block}.study-card{cursor:pointer}.study-front,.study-back{white-space:pre-wrap}.streak-dots i{width:10px;height:10px}button:focus-visible,a:focus-visible{outline:2px solid #5375ee;outline-offset:3px}

[hidden]{display:none!important}.cloud-dialog{padding:24px;max-height:85vh;overflow:auto}.cloud-dialog p{font-size:12px;line-height:1.8;color:#647086}.cloud-dialog h2{font-size:20px}.cloud-dialog input{width:100%;padding:10px;border:1px solid var(--line);border-radius:7px}.account-actions{display:flex;gap:8px;flex-wrap:wrap}.cloud-bar{margin:0 44px 12px;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;color:#647086}.share-row{display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line);padding:10px 0}.share-row span{flex:1;font-size:12px}#sharedPreview{max-height:35vh;overflow:auto}.focus .cloud-bar{display:none}@media(max-width:720px){.cloud-bar{margin:0 17px 12px;flex-wrap:wrap}.top-actions{gap:8px}.top-actions .secondary-button{padding:6px 10px}}

#cardDialog{width:min(900px,calc(100vw - 28px));max-height:92vh;overflow:auto}#cardForm{padding:24px}.block-side{margin:20px 0}.block-side h3{font-size:15px;color:#344157}.block-editor{display:grid;gap:6px}.editor-block{padding:12px;background:#f8faff;border:1px solid #e0e6f1;border-radius:9px;min-width:0}.block-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-bottom:10px}.block-toolbar strong{font-size:12px;margin-right:auto}.block-button,.block-image-picker{display:inline-flex;align-items:center;justify-content:center;border:1px solid #dce3ef;border-radius:6px;padding:7px 10px;color:#526583;background:white;font:inherit;font-size:11px;cursor:pointer}.block-button:hover,.block-image-picker:hover{background:#eef2ff}.block-button:disabled{opacity:.4;cursor:default}.block-gap{display:flex;gap:8px;padding:5px 8px;border:1px dashed transparent;border-radius:7px}.block-gap:hover,.block-gap.drag-over{border-color:#a9b9ef;background:#f1f4ff}.block-image-picker{position:relative}.block-image-picker input{position:absolute;inset:0;width:100%;opacity:0;cursor:pointer}.block-text{display:block;width:100%;min-height:90px;max-height:50vh;overflow:auto;padding:12px;border:1px solid #dce3ef;background:white;border-radius:7px;font:inherit;font-size:14px;color:#344157;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;resize:vertical;margin-bottom:8px}.block-text:focus{outline:2px solid #a1b4f3;outline-offset:1px}.block-text p{margin:0 0 8px}.block-image-preview{display:block;max-width:100%;max-height:260px;object-fit:contain;margin:8px auto 12px}.editor-block>input{display:block;width:100%;padding:10px;border:1px solid #dce3ef;background:white;border-radius:6px;font-size:13px}#cardDialog .dialog-actions{position:sticky;bottom:-24px;padding:14px 0;margin-top:12px;background:#ffffffed;border-top:1px solid #edf0f4;backdrop-filter:blur(8px)}@media(max-width:600px){#cardForm{padding:16px}.block-toolbar{gap:4px}.block-button{padding:7px 8px}.editor-block{padding:9px}#cardDialog .dialog-actions{bottom:-16px}.block-text{font-size:16px}}
#googleSignIn.google-sign-in{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;min-height:44px;padding:11px 16px;border:1px solid #747775;border-radius:6px;background:white;color:#1f1f1f;font-size:14px;font-weight:500;cursor:pointer}#googleSignIn:hover{background:#f6f8fa}#googleSignIn:disabled{opacity:.5;cursor:default}.google-login-note{text-align:center}#emailLogin{margin-top:22px;border-top:1px solid #e9edf3;padding-top:16px}#emailLogin summary{font-size:12px;color:#657186;cursor:pointer}
.block-toolbar{justify-content:flex-end}.block-side{padding:16px;border-radius:10px}.block-side:has(#frontBlocks){background:white}.block-side:has(#backBlocks){border-top:2px solid #dce1e8;background:#f3f4f6;padding-top:22px}.block-text[contenteditable=true]:empty::before{content:'テキストを入力';color:#929baa;pointer-events:none}
.deck-grid{display:flex;flex-direction:column;gap:7px}
.deck-card{display:flex;align-items:center;min-height:56px;padding:0 8px 0 0;cursor:default;min-width:0;transition:border-color .15s}
.deck-card:hover{transform:none;border-color:#c9d4f5}
.deck-study{border:0;background:transparent;display:flex;align-items:center;gap:12px;min-width:0;flex:1;text-align:left;padding:13px 16px;align-self:stretch;color:inherit;border-radius:9px}
.deck-row-color{width:9px;height:24px;border-radius:4px;flex:none}
.deck-card h3{font-size:13px;margin:0;flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-weight:600}
.deck-meta{font-size:11px;color:#8993a3;gap:16px;white-space:nowrap;flex:none}
.deck-meta .due{font-weight:400}
.deck-actions{margin:0;gap:3px;flex:none}
.deck-action{display:grid;place-items:center;width:34px;height:34px;border:0;border-radius:7px;background:transparent;color:#8995a9;padding:0}
.deck-action:hover{background:#eff3ff;color:#5375ee}.deck-action-delete:hover{background:#fff0f0;color:#c95d62}
.deck-link{border:0;background:transparent;text-align:left;width:100%}
.sidebar{height:100dvh}.deck-nav{min-height:0;flex:1;display:flex;flex-direction:column}.deck-link{flex:none}
.browse-deck-heading{display:flex;align-items:center;gap:10px;min-width:0}.browse-deck-heading h1{overflow-wrap:anywhere}
.browse-actions{display:flex;align-items:center;gap:8px;flex:none}.page-heading>div{min-width:0}
@media(max-width:720px){.sidebar{height:auto}.deck-nav{display:none}.deck-card{min-height:54px;padding-right:5px}.deck-study{gap:9px;padding:12px 10px}.deck-card h3{font-size:12px}.deck-meta{font-size:10px;gap:0}.deck-meta .due{display:none}.deck-action{width:30px;height:34px}.deck-actions{gap:0}.browse-actions{flex-wrap:wrap;justify-content:flex-end}.page-heading{gap:10px}.browse-deck-heading h1{font-size:23px}}
.quiz-editor{padding:16px;background:#f8faff;border:1px solid #dfe6f2;border-radius:9px;margin:18px 0}.quiz-editor h3{font-size:15px;margin-top:0}.quiz-editor p{font-size:12px;color:#647086;line-height:1.7}.quiz-editor textarea{width:100%;padding:12px;border:1px solid #dce3ef;border-radius:7px;font-size:14px;line-height:1.8;resize:vertical}.choice-card{cursor:default;align-items:stretch}.choice-card .study-front{font-size:19px}.study-choices{display:grid;gap:10px;width:100%;margin-top:24px}.study-choice{border:1px solid #dce3ef;border-radius:9px;background:white;text-align:left;padding:14px 16px;font-size:15px;color:#344157;line-height:1.6;overflow-wrap:anywhere}.study-choice:hover{background:#eff3ff;border-color:#8ea6ee}.quiz-result{font-size:23px;font-weight:700;margin-bottom:18px}.quiz-result.correct{color:#288456}.quiz-result.incorrect{color:#b94545}.quiz-feedback{margin-top:20px;text-align:left;padding:12px 16px;border-radius:8px;background:#f3f5fa;font-size:14px;line-height:1.8;overflow-wrap:anywhere}.choice-card .study-back{margin-top:0;border-top:0;padding-top:0;font-size:16px}@media(max-width:600px){.choice-card{padding:24px 18px}.study-choice{padding:12px;font-size:16px}.choice-card .study-front{font-size:18px}}

.sample-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid #e9edf3;font-size:13px}.sample-row span{flex:1}