.trainer{--ink:#242522;--muted:#85877e;--paper:#fff;--canvas:#f6f7f2;--line:#e7e9e2;--green:#416c44;--accent:#d9edbd;--radius:20px;z-index:60;background:var(--canvas);min-width:320px;color:var(--ink);font-family:inherit;position:fixed;inset:0;overflow:auto}.practice-head{max-width:760px;padding:20px max(20px, env(safe-area-inset-right)) 12px;justify-content:space-between;align-items:center;gap:14px;margin:auto;display:flex}.practice-head div{justify-items:center;line-height:1.2;display:grid}.practice-head small,.practice-audio-note{color:var(--muted);font-size:13px}.practice-close{border:1px solid var(--line);background:var(--paper);width:42px;height:42px;color:var(--ink);border-radius:50%;place-items:center;display:grid}.practice-close svg{width:19px}.practice-head progress{width:92px;height:4px;accent-color:var(--green);margin-top:6px}.practice-sound{color:var(--muted);white-space:nowrap;font-size:13px}.practice-sound input{accent-color:var(--green)}.practice-modes{scrollbar-width:none;gap:7px;max-width:760px;margin:0 auto;padding:0 20px;display:flex;overflow-x:auto}.practice-modes button{border:1px solid var(--line);color:var(--muted);background:0 0;border-radius:999px;flex:none;padding:8px 13px;font-size:13px}.practice-modes .active{border-color:var(--green);color:var(--green);background:var(--accent)}.practice-audio-note{max-width:720px;margin:12px auto 0;padding:0 20px}.practice-body{flex-direction:column;justify-content:center;gap:18px;width:min(100% - 40px,620px);min-height:calc(100dvh - 158px);margin:20px auto 0;padding-bottom:36px;display:flex}.practice-flash,.practice-question,.practice-result,.practice-summary{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:0 18px 45px #30372a0f}.practice-flash{cursor:pointer;-webkit-user-select:none;user-select:none;min-height:370px;overflow:hidden}.practice-card-face{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:370px;padding:34px;display:flex}.practice-card-face span,.practice-question>span{color:var(--green);letter-spacing:.09em;text-transform:uppercase;font-size:12px;font-weight:700}.practice-card-face h1,.practice-question h1{letter-spacing:-.04em;margin:14px 0 8px;font-size:clamp(29px,7vw,48px);line-height:1.06}.practice-card-face p{max-width:420px;color:var(--muted);margin:0}.practice-card-face img{object-fit:cover;border-radius:16px;width:112px;height:112px;margin:12px 0}.practice-flash.is-flipped{background:linear-gradient(145deg,#fff,#f6faef)}.practice-question{text-align:center;padding:clamp(24px,7vw,48px)}.practice-question h1{font-size:clamp(25px,6.5vw,42px)}.practice-options{text-align:left;gap:10px;margin-top:25px;display:grid}.practice-options button{border:1px solid var(--line);text-align:left;background:var(--paper);color:var(--ink);border-radius:13px;padding:14px 16px;font-size:16px}.practice-options .selected{border-color:var(--green);background:var(--accent)}.practice-question form{gap:12px;margin-top:28px;display:grid}.practice-question input{border:1px solid var(--line);min-height:52px;font:inherit;color:var(--ink);border-radius:13px;outline:none;padding:0 15px}.practice-question input:focus{border-color:var(--green);box-shadow:0 0 0 3px #416c4426}.practice-primary,.practice-grade button,.practice-audio-actions button,.practice-error button{background:var(--green);color:#fff;cursor:pointer;border:0;border-radius:13px;justify-content:center;align-items:center;gap:8px;padding:13px 18px;font:600 15px inherit;display:inline-flex}.practice-primary:disabled{opacity:.55;cursor:default}.practice-grade{grid-template-columns:1fr 1fr;gap:12px;display:grid}.practice-grade button:first-child{background:var(--paper);color:var(--ink);border:1px solid var(--line)}.practice-audio-actions{justify-content:center;gap:8px;margin:22px 0;display:flex}.practice-audio-actions button:last-child{background:var(--paper);border:1px solid var(--line);color:var(--ink)}.practice-result{text-align:center;padding:21px;animation:.24s ease-out practice-in}.practice-result.correct{border-color:#a9cda7}.practice-result.incorrect{border-color:#e5c9b9;animation:.35s ease-in-out practice-shake}.practice-result p{color:var(--muted);font-size:14px}.practice-result .practice-primary{margin-top:8px}.practice-error{color:#7b4029;background:#fff5ed;border-radius:13px;padding:12px 15px;font-size:14px}.practice-error button{background:#7b4029;margin-left:8px;padding:5px 9px;font-size:13px}.practice-summary{text-align:center;max-width:470px;margin:20vh auto;padding:50px 30px}.practice-summary h2{letter-spacing:-.04em;margin:9px 0;font-size:34px}.practice-summary p{color:var(--muted)}.practice-summary strong{color:var(--green);margin-bottom:27px;font-size:21px;display:block}.practice-confetti{color:#7ea65b;letter-spacing:12px;font-size:25px;animation:.5s ease-out practice-in;display:block}.trainer button:focus-visible{outline-offset:2px;outline:3px solid #91b786}@keyframes practice-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes practice-shake{25%{transform:translate(-5px)}70%{transform:translate(4px)}}@media (prefers-reduced-motion:reduce){.trainer *{scroll-behavior:auto!important;animation:none!important}}@media (max-width:440px){.practice-head{padding-top:14px}.practice-sound{font-size:0}.practice-sound input{width:18px;height:18px}.practice-body{width:min(100% - 28px,620px);min-height:calc(100dvh - 135px)}.practice-flash,.practice-card-face{min-height:330px}}.practice-options .practice-option{justify-content:space-between;align-items:center;gap:14px;transition:background-color .18s,border-color .18s,color .18s;display:flex}.practice-options .selected{background:#f0f2ec;border-color:#9ba391}.practice-options .practice-option:disabled{opacity:1;cursor:default}.practice-options .is-correct,.practice-question input.is-correct{color:#2d642f;background:#eaf5e5;border-color:#79a96f}.practice-options .is-incorrect,.practice-question input.is-incorrect{color:#a32f28;background:#fff0ed;border-color:#ce8177}.practice-options .practice-option.is-correct,.practice-options .practice-option.is-incorrect{transition:none}.practice-options .is-correct svg,.practice-options .is-incorrect svg{stroke-width:2.2px;flex-shrink:0}.practice-question input:disabled{opacity:1;-webkit-text-fill-color:currentColor}.practice-result.correct{background:#f2f8ed;border-color:#a0c696}.practice-result.incorrect{background:#fff7f5;border-color:#dfa399}.practice-result.correct .practice-feedback-title,.practice-expected-answer{color:#2d642f;font-weight:600}.practice-result.incorrect .practice-feedback-title,.practice-result.incorrect .practice-submitted-answer{color:#a32f28}.practice-head .practice-feedback-controls{justify-content:flex-end;align-items:center;gap:12px;display:flex}.practice-feedback-controls label{color:var(--muted);white-space:nowrap;cursor:pointer;align-items:center;gap:6px;font-size:12px;display:flex}.practice-feedback-controls input{accent-color:var(--green);width:15px;height:15px;margin:0}.practice-summary-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:24px;display:flex}.practice-summary-actions button{width:100%;min-height:52px;font-size:15px}.practice-finish{color:#416c44;cursor:pointer;background:#f6f9f1;border:1px solid #b7c9aa;border-radius:13px;justify-content:center;align-items:center;padding:13px 18px;display:flex}.practice-finish:hover{background:#eaf2e1;border-color:#92b17e}.practice-loading{min-height:90dvh;color:var(--muted);justify-content:center;align-items:center;font-size:15px;display:flex}.practice-batch-status{font-size:13px;line-height:1.7}.practice-summary strong{margin-bottom:14px}.practice-preview-note{color:#416c44;text-align:center;max-width:720px;margin:0 auto 14px;padding:8px 20px;font-size:12px;line-height:1.5}.practice-summary .practice-preview-note{color:#416c44;margin-bottom:18px;padding:0}@media (max-width:600px){.practice-feedback-controls label{min-height:40px;padding:4px}.practice-feedback-controls label span{display:none}.practice-head .practice-feedback-controls{gap:4px}}.practice-option-forms{font-size:17px;font-weight:600;display:block}.practice-option-gloss{color:var(--muted);margin-top:5px;font-size:13px;font-weight:400;display:block}.practice-card-face .practice-form-translation{color:var(--ink);margin:5px 0 14px;font-size:19px}.practice-form-hint{color:var(--muted);font-size:13px;line-height:1.6}.practice-inline-success{color:#2d642f;justify-content:center;align-items:center;gap:7px;margin:0;font-size:14px;display:flex}.practice-result.incorrect .practice-primary{margin:16px auto 0;display:flex}.guided-path{text-align:center;max-width:760px;margin:0 auto;padding:0 20px}.guided-path p{color:var(--muted);margin:4px 0 10px;font-size:13px}.guided-skills{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.guided-skills button{border:1px solid var(--line);font:inherit;color:var(--muted);cursor:pointer;background:0 0;border-radius:999px;padding:7px 10px;font-size:12px}.guided-skills button.active{background:var(--accent);color:var(--green);border-color:#b7c9aa}.guided-skills b{margin-left:3px;font-weight:600}.guided-free{color:var(--muted);text-underline-offset:3px;font:inherit;cursor:pointer;background:0 0;border:0;padding:12px;font-size:12px;text-decoration:underline}.guided-notice{max-width:720px;color:var(--green);text-align:center;margin:0 auto;padding:5px 20px;font-size:13px}.guided-intro-note{text-align:center;color:var(--muted);margin:0;font-size:13px}.trainer-guided .practice-body{min-height:calc(100dvh - 235px);margin-top:12px}.guided-open-error{gap:16px;max-width:480px;padding:20px;display:grid}.guided-mode-complete p{color:var(--muted);line-height:1.6}@media (max-width:440px){.guided-path{padding:0 14px}.guided-skills{gap:4px}.guided-skills button{padding:7px 9px;font-size:11px}.trainer-guided .practice-body{min-height:calc(100dvh - 250px)}.trainer-guided .practice-card-face{padding:26px}}.set-delete-action{flex-direction:column;align-items:flex-start;gap:6px;display:inline-flex}.set-delete-button{color:#984d44;border-color:#e5cbc4}.set-delete-button:hover{background:#fff5f1}.set-delete-error{color:#984d44;max-width:320px;font-size:11px;line-height:1.5}.editor-footer>.set-delete-action{margin-right:auto}.teacher-board-index-students{margin:34px 0 38px}.teacher-board-index-heading,.teacher-board-index-private-heading{justify-content:space-between;align-items:end;gap:16px;margin-bottom:17px;display:flex}.teacher-board-index-heading h2,.teacher-board-index-private-heading h2{color:#566d46;letter-spacing:-.4px;margin-top:5px;font-size:21px;font-weight:550}.teacher-board-index-heading>span{color:#829370;background:#edf2e5;border-radius:9px;place-items:center;min-width:29px;height:29px;font-size:10px;display:grid}.teacher-board-index-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;display:grid}.teacher-board-index-student{text-align:left;color:#536849;background:#fffefa;border:1px solid #e4eadb;border-radius:13px;align-items:center;gap:14px;min-width:0;min-height:98px;padding:17px;transition:transform .18s,box-shadow .18s,border-color .18s;display:flex;box-shadow:0 5px 19px #53683905}.teacher-board-index-student:hover{border-color:#cbd9bc;transform:translateY(-2px);box-shadow:0 9px 25px #53683910}.teacher-board-index-student:focus-visible{outline-offset:3px;outline:3px solid #a5bb89}.teacher-board-index-avatar{color:#698154;background:#e8efdb;border-radius:15px;flex:none;place-items:center;width:49px;height:49px;font-family:Georgia,serif;font-size:18px;display:grid}.teacher-board-index-copy{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.teacher-board-index-copy>small{color:#9ba98d;letter-spacing:1px;align-items:center;gap:5px;font-size:7px;display:flex}.teacher-board-index-copy>b{color:#4d6342;overflow-wrap:anywhere;font-size:13px;font-weight:550}.teacher-board-index-copy>span{color:#9da991;font-size:9px}.teacher-board-index-student>svg{color:#a2b290;flex:none}.teacher-board-index-empty{color:#98a58b;background:#fbfcf8;border:1px dashed #dce5d3;border-radius:12px;padding:22px;font-size:11px;line-height:1.8}.teacher-board-index-private-heading,.teacher-board-index-private-heading h2{margin-bottom:0}@media (max-width:1050px){.teacher-board-index-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:600px){.teacher-board-index-students{margin:27px 0 31px}.teacher-board-index-grid{grid-template-columns:1fr;gap:10px}.teacher-board-index-student{min-height:78px;padding:13px}.teacher-board-index-avatar{width:44px;height:44px}.teacher-board-index-heading h2,.teacher-board-index-private-heading h2{font-size:19px}.teacher-board-index-private-heading{margin-bottom:7px}}.grammar-space{--grammar-ink:#344a39;--grammar-muted:#687665;--grammar-line:#dfe5d9;--grammar-canvas:#f6f7f2;--grammar-sage:#eaf0e3;color:var(--grammar-ink);min-width:0;padding-bottom:24px;font-size:16px;line-height:1.6}.grammar-space button,.grammar-space input,.grammar-space select,.grammar-space textarea,.grammar-modal button,.grammar-modal input,.grammar-modal select,.grammar-modal textarea{font:inherit}.grammar-space button,.grammar-modal button{cursor:pointer}.grammar-space button:disabled,.grammar-modal button:disabled{cursor:wait;opacity:.65}:is(.grammar-space :focus-visible,.grammar-modal :focus-visible){outline-offset:4px;outline:3px solid #849d70}.grammar-heading{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:28px;display:flex}.grammar-heading h1{letter-spacing:-1.3px;margin:12px 0;font-size:38px;font-weight:600;line-height:1.15}.grammar-heading-dot{color:#9cb67e}.grammar-heading p{max-width:640px;color:var(--grammar-muted);font-size:15px;line-height:1.8}.grammar-eyebrow{letter-spacing:1.7px;color:#71865d;align-items:center;gap:9px;font-size:11px;font-weight:600;display:flex}.grammar-button{white-space:normal;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:9px;min-height:46px;padding:12px 17px;font-weight:550;line-height:1.4;text-decoration:none;display:inline-flex;font-size:14px!important}.grammar-heading>.grammar-button{flex-shrink:0;margin-top:25px}.grammar-primary{color:#fff;background:#3e5842;border-color:#3e5842}.grammar-primary:hover{background:#2f4634}.grammar-secondary{color:#456040;background:#fff;border-color:#d8e1ce}.grammar-secondary:hover{background:#f0f4e9}.grammar-student-choice{align-items:center;gap:14px;margin-bottom:22px;font-size:14px;font-weight:550;display:flex}.grammar-student-choice select,.grammar-category-filter select{border:1px solid var(--grammar-line);color:#41543b;background:#fff;border-radius:9px;max-width:100%;min-height:44px;padding:11px 36px 11px 13px}.grammar-student-choice select{min-width:220px}.grammar-overview{background:linear-gradient(115deg,#eaf0e2,#f0f3e9 62%,#efedf4);border:1px solid #e0e7d6;border-radius:17px;grid-template-columns:minmax(0,1.5fr) minmax(120px,.65fr) minmax(120px,.65fr);align-items:center;gap:25px;margin-bottom:32px;padding:29px;display:grid}.grammar-small-label{letter-spacing:1.1px;text-transform:uppercase;color:#718068;font-size:11px;font-weight:600;line-height:1.6}.grammar-overview h2{letter-spacing:-.5px;margin:7px 0 6px;font-size:23px;font-weight:550;line-height:1.4}.grammar-overview p{color:#69765e;max-width:360px;font-size:14px;line-height:1.8}.grammar-stat{border-left:1px solid #dbe3d0;padding-left:24px}.grammar-stat>strong{letter-spacing:-1px;font-size:35px;font-weight:550;line-height:1.4}.grammar-stat small{color:#7c8b6e;font-size:18px;font-weight:400}.grammar-stat>span{color:#617451;align-items:center;gap:6px;margin-top:5px;font-size:13px;display:flex}.grammar-stat-review>span{color:#bf2f2f}.grammar-revisit{margin-bottom:34px}.grammar-section-title{color:#bd3030;align-items:center;gap:10px;display:flex}.grammar-section-title h2{letter-spacing:-.3px;color:#43553e;font-size:20px;font-weight:550}.grammar-section-title>span{background:#ffe0dc;border-radius:6px;padding:1px 9px;font-size:12px}.grammar-revisit>p{color:#737b68;margin-top:7px;font-size:14px}.grammar-review-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:17px;display:grid}.grammar-review-card{text-align:left;border:1px solid #f1cfca;border-left:5px solid var(--topic-color);color:#633b37;background:#fff2ef;border-radius:11px;flex-direction:column;align-items:flex-start;gap:10px;padding:18px;display:flex;position:relative}.grammar-review-card:hover{box-shadow:0 5px 18px #314a2c0d}.grammar-review-card>strong{font-size:16px;font-weight:550;line-height:1.5}.grammar-review-card .grammar-card-status{color:#bd3030;margin-top:auto}.grammar-review-card .grammar-card-status svg:last-child{margin-left:auto}.grammar-level-badge{letter-spacing:.35px;color:#657556;background:#edf1e6;border:1px solid #e0e6d5;border-radius:5px;padding:4px 7px;font-size:11px;font-weight:600;line-height:1.3}.grammar-map-title{margin:0 0 20px}.grammar-map-title h2{letter-spacing:-.6px;font-size:23px;font-weight:550}.grammar-map-title p{color:#74806b;max-width:750px;margin-top:7px;font-size:13px;line-height:1.8}.grammar-filters{border:1px solid var(--grammar-line);background:#fff;border-radius:13px;flex-direction:column;gap:17px;padding:20px;display:flex}.grammar-level-tabs{flex-wrap:wrap;gap:7px;display:flex}.grammar-level-tabs button{color:#758267;white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:8px;min-height:42px;padding:9px 17px;font-size:14px}.grammar-level-tabs button.active{color:#45613a;background:#eaf0df;border-color:#d6e0c7;font-weight:600}.grammar-level-tabs button:hover{background:#f0f3e9}.grammar-filter-row{justify-content:space-between;align-items:center;gap:20px;display:flex}.grammar-category-filter select{min-width:200px;max-width:380px;font-size:14px}.grammar-check{cursor:pointer;color:#58694e;align-items:center;gap:9px;font-size:14px;line-height:1.5;display:inline-flex}.grammar-check input{accent-color:#61814f;cursor:pointer;flex-shrink:0;width:18px;height:18px}.grammar-legend{color:#7a846e;flex-wrap:wrap;gap:22px;padding:20px 3px;font-size:12px;display:flex}.grammar-legend>span{align-items:center;gap:7px;display:flex}.grammar-legend>span:nth-child(2){color:#56774d}.grammar-legend>span:nth-child(3){color:#bd3030}.grammar-level-list{flex-direction:column;gap:20px;display:flex}.grammar-level-section{border:1px solid var(--grammar-line);background:#fff;border-radius:14px;overflow:hidden}.grammar-level-section>summary{cursor:pointer;background:#fbfcf8;align-items:center;gap:15px;min-height:87px;padding:19px 23px;list-style:none;display:flex}.grammar-level-section>summary::-webkit-details-marker{display:none}.grammar-level-section>summary>svg{color:#8b997c;margin-left:auto;transition:transform .2s}.grammar-level-section:not([open])>summary>svg{transform:rotate(-90deg)}.grammar-level-marker{color:#637954;background:#edf1e5;border-radius:11px;flex-shrink:0;justify-content:center;align-items:center;width:47px;height:47px;font-size:19px;font-weight:600;display:flex}.grammar-level-section>summary h3{font-size:16px;font-weight:550}.grammar-level-section>summary p{color:#839075;margin-top:3px;font-size:12px}.grammar-level-body{border-top:1px solid #edf0e7;padding:0 23px 25px}.grammar-category-group{padding-top:22px}.grammar-category-group h4{color:#7c8971;margin-bottom:11px;font-size:12px;font-weight:550}.grammar-topic-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.grammar-topic-card{text-align:left;border:1px solid #e4e8de;border-left:4px solid var(--topic-color);color:#506047;background:#fcfdf9;border-radius:9px;flex-direction:column;min-width:0;min-height:155px;padding:14px 15px;transition:box-shadow .15s,transform .15s;display:flex}.grammar-topic-card:hover{transform:translateY(-2px);box-shadow:0 5px 18px #314a2c0b}.grammar-topic-card.is-covered{background:#f7faf2}.grammar-topic-card.is-review{background:#fff0ed;border-color:#edc2bc}.grammar-card-top{align-items:center;gap:8px;width:100%;margin-bottom:12px;display:flex}.grammar-card-top>svg{color:#91a184;margin-left:auto}.grammar-card-top .grammar-level-badge{padding:3px 6px;font-size:9px}.grammar-material-tag{color:#7b8e6b;align-items:center;gap:4px;font-size:10px;display:flex}.grammar-topic-card h5{overflow-wrap:anywhere;font-size:16px;font-weight:550;line-height:1.5}.grammar-english-title{color:#89937c;margin-top:4px;margin-bottom:12px;font-size:12px;line-height:1.6}.grammar-card-status{color:#8a9380;align-items:center;gap:6px;width:100%;margin-top:auto;padding-top:13px;font-size:12px;line-height:1.5;display:flex}.is-covered .grammar-card-status{color:#58734c}.is-review .grammar-card-status{color:#bd3030}.grammar-empty{text-align:center;color:#839276;background:#fbfcf8;border:1px dashed #d5deca;border-radius:13px;padding:42px 24px}.grammar-empty>svg{margin:0 auto 14px}.grammar-empty h2{color:#53664a;font-size:20px;font-weight:500}.grammar-empty p{max-width:470px;margin:10px auto 0;font-size:14px;line-height:1.8}.grammar-loading{color:#758565;justify-content:center;align-items:center;gap:12px;padding:90px 20px;font-size:15px;display:flex}.grammar-error{color:#9d5239;background:#fff3ed;border:1px solid #e8c8ba;border-radius:9px;padding:15px;font-size:14px;line-height:1.7}.grammar-error>.grammar-button{margin-top:12px}.grammar-spin{animation:1s linear infinite grammar-spin}@keyframes grammar-spin{to{transform:rotate(360deg)}}.grammar-sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.grammar-backdrop{z-index:110;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#26372760;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.grammar-modal{color:#3f5239;overscroll-behavior:contain;background:#fff;border:1px solid #e1e6d9;border-radius:17px;outline:none;width:100%;max-width:670px;max-height:92dvh;font-size:15px;line-height:1.65;overflow:auto;box-shadow:0 24px 100px #20301c2a}.grammar-modal-header{border-bottom:1px solid #e5eadd;justify-content:space-between;align-items:flex-start;gap:18px;padding:27px 28px 22px;display:flex}.grammar-modal-header h2{letter-spacing:-.5px;overflow-wrap:anywhere;margin-top:7px;font-size:26px;font-weight:550;line-height:1.35}.grammar-modal-header p{color:#7e8972;margin-top:8px;font-size:14px}.grammar-icon-button{color:#7a8a6c;background:#f9fbf5;border:1px solid #e6ebdf;border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;min-width:40px;min-height:40px;display:flex}.grammar-detail-intro{padding:24px 28px 0}.grammar-detail-intro>p{color:#6c7a60;font-size:15px;line-height:1.9}.grammar-detail-status{color:#667858;background:#fafcf6;border:1px solid;border-left-width:4px;border-radius:7px;align-items:center;gap:8px;margin-top:17px;padding:7px 11px;font-size:13px;display:inline-flex}.grammar-linked-lesson{background:#f2f5eb;border:1px solid #e0e7d5;border-radius:11px;flex-direction:column;align-items:flex-start;gap:12px;margin:24px 28px 0;padding:18px;display:flex}.grammar-linked-lesson>p{color:#617552;font-size:14px}.grammar-linked-lesson .grammar-button{width:100%}.grammar-student-detail{padding:24px 28px 30px}.grammar-student-detail h3{margin-bottom:8px;font-size:15px;font-weight:550}.grammar-student-detail section>p{white-space:pre-wrap;color:#6b7a5f;font-size:15px;line-height:1.9}.grammar-student-detail>.grammar-help{margin-top:20px}.grammar-detail-form{flex-direction:column;gap:20px;padding:25px 28px 28px;display:flex}.grammar-form-section-heading{justify-content:space-between;align-items:center;gap:12px;padding-top:4px;display:flex}.grammar-form-section-heading h3{font-size:16px;font-weight:550}.grammar-form-section-heading>span{color:#849276;font-size:13px}.grammar-form-section-heading>svg{color:#9aa88c}.grammar-status-options{grid-template-columns:1fr 1fr;gap:12px;display:grid}.grammar-status-options>.grammar-check{background:#f6f9f1;border:1px solid #e0e7d6;border-radius:10px;gap:8px;min-height:58px;padding:13px;font-size:14px}.grammar-status-options>.grammar-check:nth-child(2){background:#fdf9ee;border-color:#eee4cc}.grammar-colors{border:0;min-width:0;margin:0;padding:0}.grammar-colors>legend{color:#647757;margin-bottom:10px;font-size:14px;font-weight:550}.grammar-colors>div{flex-wrap:wrap;align-items:center;gap:9px;display:flex}.grammar-auto-color{color:#7b8b6b;background:#f8faf4;border:1px solid #e0e6d8;border-radius:7px;min-height:37px;padding:8px 11px;font-size:12px!important}.grammar-auto-color.active{color:#526f42;border-color:#8da67b}.grammar-color-chip{color:#fff;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:35px;height:35px;display:flex;box-shadow:0 0 0 1px #e1e5da}.grammar-color-chip[aria-pressed=true]{box-shadow:0 0 0 2px #526c43}.grammar-hex-field{color:#7a8b6a;align-items:center;gap:12px;margin-top:12px;font-size:12px;display:flex}.grammar-hex-field input{color:#5b704d;background:#fcfdf9;border:1px solid #dfe6d6;border-radius:7px;max-width:120px;padding:7px 10px;font-family:ui-monospace,monospace;font-size:13px}.grammar-field{color:#637657;flex-direction:column;gap:8px;min-width:0;font-size:14px;display:flex}.grammar-field>span{font-weight:550}.grammar-field input,.grammar-field textarea,.grammar-field select{color:#485e3e;background:#fcfdf9;border:1px solid #dce4d1;border-radius:8px;width:100%;min-width:0;max-width:100%;min-height:44px;padding:11px 12px;font-size:14px}.grammar-field input::placeholder,.grammar-field textarea::placeholder{color:#a1ac94}.grammar-field textarea{resize:vertical;line-height:1.8}.grammar-field small{color:#8c9980;font-size:12px;line-height:1.7}.grammar-help{color:#879378;align-items:center;gap:7px;font-size:13px;line-height:1.8;display:flex}.grammar-reference-error{color:#92784b;background:#fefaf1;border:1px solid #e9dcc4;border-radius:8px;padding:13px;font-size:12px;line-height:1.8}.grammar-reference-error>p+p{color:#a58b65;margin-top:4px;font-size:11px}.grammar-text-button{color:#789260;text-align:left;text-underline-offset:3px;background:0 0;border:0;align-items:center;gap:7px;padding:5px 0;text-decoration:underline;display:inline-flex;font-size:13px!important}.grammar-form-footer{border-top:1px solid #e7ecdf;justify-content:space-between;align-items:center;gap:16px;margin-top:3px;padding-top:20px;display:flex}.grammar-form-grid{grid-template-columns:.6fr 1.4fr;gap:15px;display:grid}@media (min-width:1500px){.grammar-topic-grid,.grammar-review-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.grammar-heading h1{font-size:42px}}@media (max-width:1100px){.grammar-topic-grid,.grammar-review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grammar-overview{grid-template-columns:minmax(0,1.3fr) 1fr 1fr;gap:15px;padding:23px}.grammar-stat{padding-left:15px}.grammar-stat strong{font-size:29px}.grammar-stat>span{font-size:12px}.grammar-heading h1{font-size:34px}.grammar-heading p{font-size:14px}.grammar-heading>.grammar-button{max-width:160px;font-size:12px!important}.grammar-filter-row{align-items:flex-start}.grammar-check{font-size:13px}.grammar-overview h2{font-size:21px}}@media (max-width:760px){.grammar-heading{gap:15px;margin-bottom:22px}.grammar-heading h1{font-size:34px}.grammar-heading p{font-size:14px}.grammar-eyebrow{letter-spacing:1.1px;font-size:9px}.grammar-heading>.grammar-button{min-width:98px;max-width:130px;margin-top:25px;padding:10px;font-size:11px!important}.grammar-overview{grid-template-columns:1fr 1fr;gap:20px;margin-bottom:27px;padding:22px}.grammar-overview-copy{grid-column:1/-1}.grammar-overview h2{font-size:23px}.grammar-overview p{max-width:100%;font-size:14px}.grammar-stat{border-top:1px solid #dce4d2;border-left:0;padding-top:13px;padding-left:0}.grammar-stat>span{font-size:13px}.grammar-stat strong{font-size:31px}.grammar-student-choice{flex-direction:column;align-items:stretch;gap:7px;font-size:13px}.grammar-student-choice select{width:100%;font-size:16px}.grammar-filters{padding:15px}.grammar-filter-row{flex-direction:column;gap:15px}.grammar-category-filter{width:100%}.grammar-category-filter select{width:100%;max-width:100%;font-size:16px}.grammar-level-tabs{gap:5px}.grammar-level-tabs button{padding:8px 13px;font-size:13px}.grammar-legend{gap:14px;font-size:11px}.grammar-level-section>summary{padding:16px}.grammar-level-body{padding:0 16px 19px}.grammar-topic-card{min-height:160px;padding:13px}.grammar-topic-card h5{font-size:15px}.grammar-english-title{font-size:11px}.grammar-card-status{gap:5px;font-size:11px}.grammar-category-group h4{font-size:12px}.grammar-topic-grid,.grammar-review-grid{gap:10px}.grammar-modal-header,.grammar-detail-form,.grammar-student-detail{padding:22px}.grammar-detail-intro{padding:22px 22px 0}.grammar-linked-lesson{margin:22px 22px 0}.grammar-backdrop{padding:15px}.grammar-modal{max-height:92dvh}.grammar-modal-header h2{font-size:24px}.grammar-field input,.grammar-field select,.grammar-field textarea{font-size:16px}.grammar-status-options>.grammar-check{font-size:13px}.grammar-form-grid{grid-template-columns:1fr}.grammar-hex-field input{max-width:135px;font-size:16px}}@media (max-width:440px){.grammar-heading{flex-wrap:wrap;gap:12px}.grammar-heading>.grammar-button{max-width:100%;min-height:42px;margin-top:0;padding:10px 13px;font-size:13px!important}.grammar-heading h1{font-size:32px}.grammar-heading p{font-size:14px}.grammar-topic-grid,.grammar-review-grid{grid-template-columns:1fr}.grammar-level-tabs{gap:4px}.grammar-level-tabs button{padding:8px 10px;font-size:12px}.grammar-level-tabs button:first-child{text-align:center;width:100%}.grammar-topic-card{min-height:145px}.grammar-topic-card h5{font-size:16px}.grammar-english-title,.grammar-card-status{font-size:12px}.grammar-legend{gap:8px 12px}.grammar-overview{gap:16px;padding:19px}.grammar-overview h2{font-size:21px}.grammar-stat small{font-size:16px}.grammar-stat>span{align-items:flex-start;font-size:12px}.grammar-map-title h2{font-size:22px}.grammar-section-title h2{font-size:20px}.grammar-level-section>summary h3{font-size:14px}.grammar-level-marker{width:42px;height:42px;font-size:18px}.grammar-backdrop{padding:8px}.grammar-modal{border-radius:12px;max-height:95dvh}.grammar-modal-header,.grammar-detail-form,.grammar-student-detail{padding:18px}.grammar-detail-intro{padding:19px 18px 0}.grammar-linked-lesson{margin:20px 18px 0;padding:14px}.grammar-modal-header h2{font-size:22px}.grammar-status-options{grid-template-columns:1fr}.grammar-form-footer{flex-wrap:wrap}.grammar-form-footer>.grammar-button{flex:1}.grammar-form-footer>.grammar-text-button{width:100%;margin-bottom:5px}.grammar-help{font-size:12px}.grammar-colors>div{gap:8px}.grammar-color-chip{width:32px;height:32px}.grammar-auto-color{padding:8px;font-size:11px!important}}@media (prefers-reduced-motion:reduce){.grammar-space *,.grammar-modal *{transition-duration:.01ms!important;animation-duration:.01ms!important}}.grammar-heading-actions{flex:none;align-items:center;gap:8px;margin-top:25px;display:flex}.grammar-heading-actions>.grammar-button{min-height:44px;padding:9px 13px}.grammar-course-choice{color:#667858;flex-wrap:wrap;align-items:center;gap:12px;margin:0 0 20px;font-size:13px;font-weight:550;display:flex}.grammar-course-choice>select{color:#42573d;min-width:250px;max-width:min(100%,460px);min-height:44px;font:inherit;background:#fff;border:1px solid #dfe5d9;border-radius:9px;padding:10px 36px 10px 12px}.grammar-course-choice .grammar-text-button{margin-left:auto}.grammar-course-section{background:linear-gradient(135deg,#f6f8f1,#fff 72%);border:1px solid #dfe6d7;border-radius:15px;margin-top:20px;padding:22px}.grammar-course-heading{justify-content:space-between;align-items:center;gap:18px;margin-bottom:20px;display:flex}.grammar-course-heading h2{letter-spacing:-.4px;color:#42583a;margin:5px 0;font-size:24px;font-weight:550}.grammar-course-heading p{color:#839075;font-size:12px}.grammar-course-heading>.grammar-button{flex:none}.grammar-unit-section{background:#fff;border:1px solid #e4e9de;border-radius:12px;margin-top:16px;padding:17px 18px 19px}.grammar-unit-section>header{justify-content:space-between;align-items:center;gap:14px;margin-bottom:15px;display:flex}.grammar-unit-section>header>div:first-child>span{letter-spacing:1.15px;color:#8b9b79;font-size:9px;font-weight:600}.grammar-unit-section>header h3{color:#53674a;margin-top:3px;font-size:16px;font-weight:550}.grammar-unit-actions{flex-wrap:wrap;align-items:center;gap:13px;display:flex}.grammar-unit-actions .grammar-text-button{font-size:11px!important}.grammar-unit-section .grammar-topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}@media (max-width:760px){.grammar-heading-actions{flex-wrap:wrap;margin-top:0}.grammar-heading-actions>.grammar-button{padding:9px 11px;font-size:12px!important}.grammar-course-choice{flex-direction:column;align-items:flex-start;gap:6px}.grammar-course-choice>select{width:100%;max-width:none;font-size:16px}.grammar-course-choice .grammar-text-button{margin-left:0}.grammar-course-section{padding:17px}.grammar-course-heading{flex-direction:column;align-items:flex-start;gap:12px}.grammar-course-heading>.grammar-button{min-height:42px}.grammar-unit-section{padding:14px}.grammar-unit-section>header{flex-direction:column;align-items:flex-start}.grammar-unit-actions{gap:9px}.grammar-unit-section .grammar-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:440px){.grammar-heading-actions{width:100%}.grammar-heading-actions>.grammar-button{flex:1}.grammar-course-heading h2{font-size:21px}.grammar-unit-section .grammar-topic-grid{grid-template-columns:1fr}}.grammar-unit-topic-editor{background:#fbfcf8;border:1px solid #e3e8dc;border-radius:11px;padding:15px}.grammar-unit-topic-editor>header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;display:flex}.grammar-unit-topic-editor>header>div{color:#75856a;letter-spacing:1px;align-items:center;gap:9px;font-size:10px;display:flex}.grammar-unit-topic-editor>header>div>b{letter-spacing:0;background:#edf2e7;border-radius:6px;padding:2px 7px;font-size:11px}.grammar-unit-topic-editor>header>.grammar-button{min-height:38px;padding:7px 11px;font-size:11px!important}.grammar-unit-topic-editor>p{color:#929c88;padding:12px;font-size:12px}.grammar-unit-topic-editor>div{flex-direction:column;gap:7px;display:flex}.grammar-unit-topic{background:#fff;border:1px solid #e8ece3;border-radius:8px;justify-content:space-between;align-items:center;gap:12px;padding:10px 11px;display:flex}.grammar-unit-topic>div:first-child{flex-direction:column;gap:3px;min-width:0;display:flex}.grammar-unit-topic strong{color:#4f6247;overflow-wrap:anywhere;font-size:12px}.grammar-unit-topic small{color:#919b86;font-size:9px}.grammar-unit-topic-actions{flex:none;align-items:center;gap:5px;display:flex}.grammar-unit-topic-actions .grammar-icon-button{width:30px;min-width:30px;height:30px;min-height:30px}.grammar-unit-topic-actions .grammar-text-button{font-size:10px!important}.grammar-unit-topic.is-archived{background:#f1f2ef;border-color:#e2e4e0}.grammar-unit-topic.is-archived strong,.grammar-unit-topic.is-archived small{color:#90958d}.grammar-topic-archive-button{color:#ad4540;background:#fff5f3;border:1px solid #e7c9c5;border-radius:8px;align-items:center;gap:7px;min-height:40px;margin-right:auto;padding:9px 12px;font-size:11px;display:flex}.grammar-topic-archive-button:hover{background:#ffe9e5}.grammar-topic-card.is-archived{color:#7e847b;background:#f1f2ef;border-color:#dfe2dc}.grammar-topic-card.is-archived h5,.grammar-topic-card.is-archived .grammar-english-title{color:#777e75}.grammar-topic-card.is-archived .grammar-card-status{color:#7d837a}.grammar-archived-filter{margin-left:auto}@media (max-width:600px){.grammar-unit-topic{flex-direction:column;align-items:flex-start}.grammar-unit-topic-actions{justify-content:flex-end;width:100%}.grammar-archived-filter{margin-left:0}}.grammar-course-heading-actions{flex:none;align-items:center;gap:14px;display:flex}@media (max-width:760px){.grammar-course-heading-actions{justify-content:space-between;width:100%}}.grammar-course-heading .grammar-course-description,.grammar-unit-description{white-space:pre-line;color:#737f69;max-width:760px;margin:8px 0 10px;font-size:13px;line-height:1.7}.grammar-unit-section>header>div{min-width:0}.grammar-unit-description{margin:6px 0 0;font-size:12px}.grammar-topic-group{flex-direction:column;min-width:0;display:flex}.grammar-topic-children{border-left:2px solid #e5eadf;grid-template-columns:1fr;gap:7px;margin:7px 0 0 13px;padding-left:10px;display:grid}.grammar-topic-card.is-subtopic{background:#fff;border-style:dashed;min-height:95px;padding:10px 12px}.grammar-topic-card.is-subtopic h5{font-size:13px}.grammar-topic-card.is-subtopic .grammar-card-top{margin-bottom:5px}.grammar-topic-card.is-subtopic .grammar-card-status{padding-top:7px}.grammar-topic-card.is-lesson{background:#f5f8ef}.grammar-detail-intro>p{white-space:pre-line}.grammar-related-topics{background:#fbfcf8;border:1px solid #e3e9dc;border-radius:10px;margin:20px 28px 0;padding:16px}.grammar-related-topics summary{color:#506248;cursor:pointer;align-items:center;gap:9px;font-size:14px;list-style:none;display:flex}.grammar-related-topics summary::-webkit-details-marker{display:none}.grammar-related-topics summary span{background:#edf2e7;border-radius:6px;padding:2px 7px;font-size:11px}.grammar-related-topics details>p{color:#7d8874;margin:8px 0 11px;font-size:12px}.grammar-related-topics details>div{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.grammar-related-topics button{color:#52644a;text-align:left;background:#fff;border:1px solid #dfe6d7;border-radius:7px;align-items:center;gap:8px;padding:8px 10px;font-size:12px;display:flex}.grammar-related-topics button:hover{background:#f1f5eb}.grammar-topic-context{text-align:left;color:#63745a;background:0 0;border:0;padding:6px 4px;font-size:13px;font-weight:550;line-height:1.5}.grammar-topic-context:hover{text-decoration:underline}.grammar-field select[multiple]{min-height:110px;padding:8px}.grammar-field select[multiple] option{padding:5px}@media (max-width:760px){.grammar-related-topics{margin:18px 20px 0}.grammar-course-heading .grammar-course-description{font-size:12px}}.iv-space{--iv-ink:#344a39;--iv-muted:#6d7b67;--iv-line:#dfe6d8;--iv-sage:#edf2e6;color:var(--iv-ink);min-width:0;padding-bottom:24px;font-size:15px;line-height:1.65}.iv-space *{box-sizing:border-box}.iv-space h1,.iv-space h2,.iv-space p{margin:0}.iv-space button,.iv-space input{font:inherit}.iv-space button{cursor:pointer}.iv-space button:disabled{cursor:default;opacity:.58}.iv-space :focus-visible{outline-offset:4px;outline:3px solid #7f986b}.iv-space svg{flex-shrink:0}.iv-space button{touch-action:manipulation}.iv-eyebrow{letter-spacing:1.5px;color:#71845f;align-items:center;gap:9px;font-size:11px;font-weight:600;line-height:1.6;display:flex}.iv-heading h1{letter-spacing:-1.1px;margin:12px 0;font-size:37px;font-weight:600;line-height:1.2}.iv-heading h1>span{color:#9cb67e}.iv-heading>p{max-width:700px;color:var(--iv-muted);line-height:1.85}.iv-heading{margin-bottom:27px}.iv-intro{background:linear-gradient(115deg,#eaf0e2,#f3f5ed);border:1px solid #e0e7d6;border-radius:17px;grid-template-columns:minmax(0,1.3fr) minmax(0,.8fr);gap:36px;margin-bottom:26px;padding:27px 29px;display:grid}.iv-intro h2{letter-spacing:-.4px;margin:7px 0;font-size:23px;font-weight:550}.iv-intro p{color:#63735a;max-width:530px;font-size:14px;line-height:1.85}.iv-intro-note{color:#7c936b;border-left:1px solid #d8e2cc;align-items:center;gap:14px;padding-left:26px;display:flex}.iv-intro-note small{color:#7b886f;margin-top:8px;font-size:11px;display:block}.iv-toolbar{border:1px solid var(--iv-line);background:#fff;border-radius:13px;justify-content:space-between;align-items:center;gap:16px;padding:13px;display:flex}.iv-levels{flex-wrap:wrap;gap:5px;display:flex}.iv-levels button{color:#74816a;background:0 0;border:1px solid #0000;border-radius:9px;flex-direction:column;align-items:flex-start;min-height:59px;padding:9px 12px;display:flex}.iv-levels button strong{font-size:14px;font-weight:600}.iv-levels button span{letter-spacing:.15px;font-size:10px}.iv-levels button.active{color:#48613e;background:#eaf0df;border-color:#d7e1c9}.iv-levels button:hover{background:#f0f4e9}.iv-search{color:#8a987c;background:#fbfcf8;border:1px solid #e0e7d9;border-radius:9px;flex:1;align-items:center;gap:9px;min-width:170px;max-width:290px;min-height:46px;padding:0 12px;display:flex}.iv-search input{color:var(--iv-ink);background:0 0;border:0;outline:none;width:100%;min-width:0;min-height:44px;font-size:14px}.iv-search:focus-within{outline-offset:3px;outline:3px solid #7f986b}.iv-search input:focus-visible{outline:0}.iv-search input::placeholder{color:#8c9881}.iv-catalogue-note{color:#74816a;justify-content:space-between;gap:18px;padding:14px 3px 21px;font-size:12px;display:flex}.iv-catalogue-note>span{white-space:nowrap}.iv-groups{flex-direction:column;gap:18px;display:flex}.iv-group{border:1px solid var(--iv-line);background:#fff;border-radius:13px;min-width:0;overflow:hidden}.iv-group>summary{cursor:pointer;background:#fafcf6;align-items:center;gap:15px;min-height:94px;padding:20px 23px;list-style:none;display:flex}.iv-group>summary::-webkit-details-marker{display:none}.iv-group-number{color:#819371;letter-spacing:1px;background:#eff4e7;border:1px solid #dce5cf;border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:12px;font-weight:600;display:flex}.iv-group summary h2{letter-spacing:-.3px;font-size:18px;font-weight:550;line-height:1.5}.iv-group summary p{color:#7b8871;margin-top:4px;font-size:12px;line-height:1.7}.iv-group summary>div{flex:1;min-width:0}.iv-group summary>svg{color:#8b9b7d;transition:transform .2s}.iv-group:not([open]) summary>svg{transform:rotate(-90deg)}.iv-group-count{color:#829276;text-align:center;background:#edf2e6;border:1px solid #e1e7d8;border-radius:6px;min-width:27px;padding:1px 7px;font-size:12px}.iv-group-body{border-top:1px solid #e6ebdf}.iv-table-wrap{max-width:100%;overflow:auto}.iv-space table{border-collapse:collapse;text-align:left;table-layout:fixed;width:100%}.iv-space th{color:#627554;vertical-align:top;background:#fff;border-bottom:1px solid #e8ede2;padding:15px 18px 12px;font-size:12px;font-weight:600}.iv-space th>span{color:#89967f;margin-top:2px;font-size:10px;font-weight:400;display:block}.iv-space td{vertical-align:top;border-bottom:1px solid #edf1e7;padding:7px 10px}.iv-space tr:last-child td{border-bottom:0}.iv-space td:last-child{color:#6b7a60;padding:16px 18px;font-size:13px}.iv-space th:nth-child(4){width:28%}.iv-form-audio{color:#3e583c;text-align:left;background:0 0;border:1px solid #0000;border-radius:8px;flex-direction:column;align-items:flex-start;gap:1px;min-width:44px;max-width:100%;min-height:54px;padding:6px 8px;line-height:1.6;display:flex}.iv-form-audio:hover:enabled{background:#edf3e5;border-color:#e0e8d5}.iv-form-audio:disabled{opacity:1}.iv-form-audio:disabled .iv-phonetic{color:#8c9684}.iv-form-audio:disabled .iv-phonetic>svg{opacity:.28}.iv-form-word{overflow-wrap:anywhere;font-size:16px;font-weight:550}.iv-phonetic{color:#7c8e6c;overflow-wrap:anywhere;align-items:center;gap:7px;font-size:12px;line-height:1.6;display:flex}.iv-verb-level{color:#8c9b80;vertical-align:middle;border:1px solid #e6ebdf;border-radius:4px;margin-left:7px;padding:0 4px;font-size:9px;display:inline-block}.iv-meaning>small{color:#819074;overflow-wrap:anywhere;margin-top:5px;font-size:10px;line-height:1.7;display:block}.iv-mobile-meaning{display:none}.iv-group-footer{background:#fcfdf9;border-top:1px solid #e8eddf;justify-content:space-between;align-items:center;gap:16px;padding:16px 22px;display:flex}.iv-group-footer>span{color:#849276;font-size:11px}.iv-button{color:#5b754a;text-align:center;background:#fff;border:1px solid #d7e1cd;border-radius:9px;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:11px 17px;font-weight:550;line-height:1.5;display:inline-flex;font-size:13px!important}.iv-button:hover:enabled{background:#f0f4e9}.iv-primary{color:#fff;background:#405c44;border-color:#405c44}.iv-primary:hover:enabled{background:#304a35}.iv-bottom-note{color:#87947b;max-width:800px;font-size:11px;line-height:1.8;margin:23px 3px 0!important}.iv-alert{color:#7d6a41;background:#fffaf0;border:1px solid #e8dfc8;border-radius:9px;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;padding:12px 15px;font-size:13px;display:flex}.iv-alert>button{color:#8b7849;background:0 0;border:0;justify-content:center;align-items:center;min-width:44px;min-height:44px;display:flex}.iv-error{color:#984d37;background:#fff4ef;border:1px solid #e8d0c1;border-radius:10px;padding:17px;font-size:14px;line-height:1.8}.iv-error>.iv-button{margin-top:12px}.iv-loading{color:#7a8a6c;justify-content:center;align-items:center;gap:13px;padding:75px 20px;display:flex}.iv-loading>svg{animation:1s linear infinite iv-spin}@keyframes iv-spin{to{transform:rotate(360deg)}}.iv-empty{text-align:center;color:#829373;background:#fbfcf7;border:1px dashed #d8e1cc;border-radius:13px;padding:44px 22px}.iv-empty>svg{margin:0 auto 14px}.iv-empty h2{color:#5a704d;font-size:20px;font-weight:500}.iv-empty p{margin:9px 0 19px;font-size:14px;line-height:1.8}.iv-sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.iv-practice{outline:none}.iv-practice-header{justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px;display:flex}.iv-practice-header>span{color:#7a8a6b;text-align:right;font-size:13px}.iv-practice-progress{max-width:670px;margin:0 auto 17px}.iv-practice-progress>div{color:#7a8a6c;justify-content:space-between;align-items:center;gap:20px;font-size:13px;display:flex}.iv-practice-progress strong{color:#5d794b;font-size:16px;font-weight:550}.iv-practice-progress progress{-webkit-appearance:none;appearance:none;accent-color:#8da575;background:#e8eede;border:0;border-radius:99px;width:100%;height:6px;margin:10px 0;display:block;overflow:hidden}.iv-practice-progress progress::-webkit-progress-bar{background:#e8eede;border-radius:99px}.iv-practice-progress progress::-webkit-progress-value{background:#8da575;border-radius:99px}.iv-practice-progress progress::-moz-progress-bar{background:#8da575;border-radius:99px}.iv-practice-progress>p{color:#87947a;font-size:12px;line-height:1.8}.iv-preferences{flex-wrap:wrap;justify-content:flex-end;gap:18px;max-width:670px;margin:0 auto 22px;display:flex}.iv-preferences label{color:#819371;cursor:pointer;align-items:center;gap:6px;min-height:36px;font-size:11px;display:flex}.iv-preferences input{accent-color:#6c8a55;width:16px;height:16px;margin:0}.iv-question{border:1px solid var(--iv-line);background:#fff;border-radius:17px;max-width:670px;margin:0 auto;padding:35px}.iv-question>.iv-eyebrow{text-align:center;justify-content:center}.iv-question>h1{letter-spacing:-1px;text-align:center;margin:14px 0 5px;font-size:46px;font-weight:550;line-height:1.3}.iv-question>p{text-align:center;color:#7b8a6c;font-size:15px}.iv-question>.iv-form-audio{align-items:center;margin:10px auto 22px}.iv-question>.iv-form-audio .iv-form-word{display:none}.iv-answer-grid{grid-template-columns:1fr 1fr;gap:17px;display:grid}.iv-answer{color:#839176;flex-direction:column;gap:9px;min-width:0;font-size:12px;display:flex}.iv-answer>span:first-child{align-items:center;gap:8px;display:flex}.iv-answer strong{color:#597448;font-size:14px;font-weight:600}.iv-answer input{color:#3e5939;background:#fcfdf9;border:1px solid #dce5d1;border-radius:9px;width:100%;min-width:0;min-height:54px;padding:12px 14px;font-size:20px;line-height:1.4}.iv-answer input::placeholder{color:#a0ad94;font-size:14px}.iv-answer input:disabled{opacity:1;-webkit-text-fill-color:currentColor}.iv-answer.is-correct input{color:#3c632c;background:#f1f7ec;border:2px solid #749a5d;padding:11px 13px}.iv-answer.is-incorrect input{color:#914936;background:#fff3ef;border:2px solid #bb7765;padding:11px 13px}.iv-field-feedback{overflow-wrap:anywhere;align-items:flex-start;gap:5px;font-size:12px;line-height:1.7;display:flex}.iv-answer.is-correct .iv-field-feedback{color:#587c43}.iv-answer.is-incorrect .iv-field-feedback{color:#a15a45}.iv-field-feedback svg{margin-top:2px}.iv-check{width:100%;min-height:51px;margin-top:23px;display:flex}.iv-feedback{background:#f8fbf3;border:1px solid #e3e9da;border-radius:11px;margin-top:24px;padding:20px}.iv-feedback.is-incorrect{background:#fffaf6;border-color:#ecdccf}.iv-feedback h2{font-size:17px;font-weight:550;line-height:1.6}.iv-feedback.is-correct h2{color:#527740}.iv-feedback.is-incorrect h2{color:#975a43}.iv-revealed{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin:13px -8px 11px;display:grid}.iv-revealed .iv-form-audio{padding:6px}.iv-feedback>p{color:#738265;margin:8px 0;font-size:13px;line-height:1.85}.iv-feedback>small{color:#8c947d;margin-top:10px;font-size:11px;line-height:1.8;display:block}.iv-feedback>.iv-button{width:100%;margin-top:18px}.iv-question>.iv-error{margin-top:18px;font-size:12px}.iv-question>.iv-alert{text-align:left;margin-top:18px;font-size:12px}.iv-summary{text-align:center;border:1px solid var(--iv-line);background:#fff;border-radius:17px;flex-direction:column;align-items:center;max-width:680px;margin:50px auto 0;padding:38px 30px;display:flex}.iv-summary>svg{color:#9bb582;margin-bottom:22px}.iv-summary>.iv-eyebrow{justify-content:center}.iv-summary h1{letter-spacing:-.7px;margin:9px 0 16px;font-size:30px;font-weight:550;line-height:1.4}.iv-summary>strong{color:#658052;font-size:19px;font-weight:550}.iv-summary>p{color:#819172;max-width:450px;margin-top:13px;font-size:14px;line-height:1.85}.iv-summary-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:11px;margin-top:26px;display:flex}.iv-summary-actions>.iv-button{min-height:50px}@media (max-width:1050px){.iv-toolbar{flex-direction:column;align-items:stretch}.iv-search{flex:initial;max-width:100%}.iv-levels{justify-content:space-between}.iv-levels button{flex:1}.iv-intro{gap:22px;padding:25px}.iv-intro-note{padding-left:20px}.iv-space th,.iv-space td:last-child{padding-left:12px;padding-right:12px}.iv-space td{padding-left:4px;padding-right:4px}.iv-group>summary{padding:18px}.iv-heading h1{font-size:33px}}@media (max-width:650px){.iv-heading h1{letter-spacing:-.8px;font-size:31px}.iv-heading>p{font-size:14px}.iv-heading{margin-bottom:22px}.iv-eyebrow{letter-spacing:1px;font-size:10px}.iv-intro{grid-template-columns:1fr;gap:20px;padding:22px}.iv-intro h2{font-size:22px}.iv-intro-note{border-top:1px solid #d8e2cc;border-left:0;align-items:flex-start;gap:12px;padding:16px 0 0}.iv-intro-note svg{margin-top:5px}.iv-intro p{font-size:13px}.iv-levels{gap:4px}.iv-levels button{padding:9px 7px}.iv-levels button span{font-size:9px}.iv-toolbar{gap:12px;padding:11px}.iv-search input{font-size:16px}.iv-catalogue-note{padding:13px 2px 18px;font-size:11px}.iv-catalogue-note>p{max-width:235px}.iv-group>summary{gap:10px;padding:16px 13px}.iv-group-number{border-radius:7px;width:33px;height:36px;font-size:10px}.iv-group summary h2{font-size:16px}.iv-group summary p{font-size:11px}.iv-group-count{min-width:24px;padding:1px 5px;font-size:10px}.iv-group summary>svg{width:16px}.iv-space th:nth-child(4),.iv-space td.iv-meaning{display:none}.iv-space th{padding:12px 9px;font-size:11px}.iv-space th>span{font-size:9px;line-height:1.6}.iv-space td,.iv-space td:nth-child(3){padding:6px 3px}.iv-form-audio{gap:1px;min-height:52px;padding:6px 5px}.iv-form-word{font-size:15px}.iv-phonetic{flex-wrap:wrap;gap:4px;font-size:10px}.iv-phonetic svg{width:11px}.iv-mobile-meaning{color:#8b987f;overflow-wrap:anywhere;padding:0 5px 5px;font-size:10px;line-height:1.6;display:block}.iv-group-footer{flex-direction:column;align-items:stretch;gap:11px;padding:15px}.iv-group-footer>.iv-button{width:100%}.iv-group-footer>span{text-align:center}.iv-bottom-note{font-size:10px}.iv-practice-header{align-items:flex-start;gap:12px;margin-bottom:24px}.iv-practice-header>.iv-button{min-width:145px;padding:10px 12px;font-size:12px!important}.iv-practice-header>span{padding-top:4px;font-size:11px;line-height:1.8}.iv-practice-progress>p{font-size:11px}.iv-preferences{margin-bottom:16px}.iv-question{border-radius:13px;padding:24px 18px}.iv-question>h1{font-size:40px}.iv-answer-grid{gap:12px}.iv-answer{font-size:10px}.iv-answer>span:first-child{flex-direction:column;align-items:flex-start;gap:2px}.iv-answer input{min-height:52px;padding:11px 10px;font-size:18px}.iv-answer input::placeholder{font-size:12px}.iv-answer.is-correct input,.iv-answer.is-incorrect input{padding:10px 9px}.iv-field-feedback{font-size:11px}.iv-feedback{padding:16px 12px}.iv-feedback h2{font-size:15px}.iv-feedback .iv-form-word{font-size:14px}.iv-feedback .iv-phonetic{font-size:10px}.iv-feedback .iv-form-audio{padding:6px 3px}.iv-revealed{gap:2px;margin-left:-3px;margin-right:-3px}.iv-summary{margin-top:25px;padding:30px 20px}.iv-summary h1{font-size:26px}.iv-summary>strong{font-size:17px}.iv-summary-actions{width:100%}.iv-summary-actions>.iv-button{width:100%;min-height:49px}.iv-summary>p{font-size:13px}}.iv-mixed-practice{justify-content:space-between;align-items:center;gap:18px;padding:18px 3px 4px;display:flex}.iv-mixed-practice>p{color:#74816a;font-size:13px;line-height:1.8}.iv-mixed-practice>.iv-button{flex-shrink:0;min-height:50px}@media (max-width:650px){.iv-mixed-practice{flex-direction:column;align-items:stretch;gap:11px;padding:17px 2px 4px}.iv-mixed-practice>p{font-size:12px}.iv-mixed-practice>.iv-button{width:100%}}@media (prefers-reduced-motion:reduce){.iv-space *{transition:none!important;animation:none!important}}.editor-backdrop{z-index:90;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#26331d60;justify-content:center;align-items:center;padding:25px;display:flex;position:fixed;inset:0}.editor-modal{background:var(--paper);width:min(100%,540px);max-height:91dvh;color:var(--ink);border:1px solid #e3e8d9;border-radius:20px;outline:none;overflow:auto;box-shadow:0 25px 90px #22371d25}.editor-modal.editor-wide{width:min(100%,1010px)}.editor-modal>header{border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:5;background:#fffffffa;justify-content:space-between;align-items:center;padding:22px 29px;display:flex;position:sticky;top:0}.editor-modal header h2{margin-top:4px;font-size:21px}.editor-modal>header .tiny-label{font-size:7px}.editor-body{flex-direction:column;gap:20px;padding:25px 29px;display:flex}.editor-body label{color:#7a8868;flex-direction:column;gap:7px;min-width:0;font-size:10px;font-weight:500;display:flex}.editor-body input:not([type=checkbox]):not([type=file]),.editor-body textarea,.editor-body select{box-sizing:border-box;color:#58654c;width:100%;font:inherit;background:#fcfdf9;border:1px solid #e1e7d6;border-radius:8px;padding:11px 12px;font-size:12px}.editor-body input::placeholder,.editor-body textarea::placeholder{color:#b1bba0}.editor-body textarea{resize:vertical;min-height:75px;line-height:1.7}.editor-body input[type=file][hidden]{display:none}.editor-body .btn{width:max-content;font-size:10px}.editor-body label.btn{color:#5d6d52;cursor:pointer;flex-direction:row;align-items:center;display:inline-flex}.editor-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;display:grid}.editor-metadata{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:28px;display:grid}.editor-metadata>div{flex-direction:column;gap:17px;display:flex}.editor-assignment{background:#f8faf3;border:1px solid #ebefdf;border-radius:12px;padding:18px}.editor-assignment>img{object-fit:contain;mix-blend-mode:multiply;width:100%;height:136px}.editor-body fieldset{border:0;flex-direction:column;gap:7px;min-width:0;margin:0;padding:0;display:flex}.editor-body legend{color:#65774f;margin-bottom:12px;font-size:11px;font-weight:550}.editor-body .editor-check{color:#849374;flex-direction:row;align-items:center;gap:10px;padding:7px 0;font-size:11px;font-weight:400;display:flex}.editor-check input{accent-color:#819f64;width:14px;height:14px}.editor-check>small{margin-left:auto;font-size:8px}.editor-intro{align-items:center;gap:13px;margin-bottom:2px;display:flex}.editor-intro .soft-icon{width:35px;height:35px}.editor-intro>p{color:#9aa789;max-width:590px;font-size:10px;line-height:1.8}.editor-import{background:#f7f8f2;border:1px dashed #d9e1c9;border-radius:12px;padding:22px}.editor-import .section-heading{margin-bottom:14px}.editor-import .section-heading p{color:#9eaa8e;margin-top:7px;font-size:9px}.editor-import h3{font-size:13px}.editor-import textarea{background:#fff;min-height:140px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px}.editor-import .btn{margin-top:13px}.editor-import>small{color:#a5af96;margin-top:10px;font-size:8px;display:block}.editor-cards-heading{margin:2px 0 -9px}.editor-cards-heading h3{font-size:14px}.editor-cards-heading h3>span{color:#849971;background:#edf2e3;border-radius:5px;margin-left:7px;padding:3px 7px;font-size:9px;font-weight:400}.editor-cards details{background:#fff;border:1px solid #e7ecdd;border-radius:10px;margin:10px 0;overflow:hidden}.editor-cards summary{cursor:pointer;align-items:center;gap:13px;padding:13px 15px;list-style:none;display:flex}.editor-cards summary::-webkit-details-marker{display:none}.editor-cards summary:before{content:"›";color:#b0bea0;font-size:19px;transition:transform .2s}.editor-cards details[open]>summary:before{transform:rotate(90deg)}.editor-cards summary .card-index{color:#b3bea3;font-size:8px}.editor-cards summary>b{font-size:12px;font-weight:550}.editor-cards summary>small{color:#a8b394;text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:10px;overflow:hidden}.editor-cards summary>button{margin-left:auto}.editor-cards .icon-btn{width:27px;height:27px}.editor-card-content{border-top:1px solid #eff2e6;grid-template-columns:minmax(0,1fr) 210px;gap:24px;padding:20px;display:grid}.editor-card-fields{flex-direction:column;gap:14px;display:flex}.editor-card-fields>.text-btn{margin-top:7px}.editor-card-fields textarea{min-height:63px}.editor-card-picture{flex-direction:column;gap:13px;display:flex}.editor-card-picture>img,.picture-placeholder{aspect-ratio:1.35;object-fit:cover;background:#f6f8ef;border:1px solid #e8ecdf;border-radius:10px;width:100%}.picture-placeholder{color:#bbc8a8;justify-content:center;align-items:center;display:flex}.editor-card-picture>small{color:#a9b497;overflow-wrap:anywhere;font-size:8px}.editor-card-picture label{font-size:8px}.editor-card-picture input{padding:9px!important;font-size:9px!important}.editor-card-picture>.text-btn{font-size:8px}.editor-card-picture>.btn{justify-content:center;width:100%;font-size:9px}.editor-notice{color:#8ba171;background:#f1f6e8;border:1px solid #e4edd7;border-radius:8px;align-items:center;gap:8px;padding:11px 14px;font-size:10px;line-height:1.6;display:flex}.editor-error{color:#b1825c;background:#fcf0e9;border:1px solid #f3dfd1;border-radius:9px;margin:0;padding:12px 15px;font-size:11px;line-height:1.7}.editor-empty{text-align:center;color:#acb69d;padding:15px;font-size:11px;line-height:1.8}.editor-footer{border-top:1px solid var(--line);justify-content:flex-end;align-items:flex-end;gap:12px;margin-top:6px;padding-top:20px;display:flex}.editor-footer>.editor-status{max-width:330px;margin-right:auto}.editor-status select{padding:9px;font-size:10px}.editor-footer .btn{min-height:38px}.editor-student-form{flex-direction:column;gap:19px;display:flex}.editor-student-form>footer{border-top:1px solid var(--line);justify-content:flex-end;gap:12px;margin-top:5px;padding-top:22px;display:flex}.editor-subtitle{color:#a4af96;margin-bottom:5px;font-size:11px;line-height:1.8}.editor-credentials{text-align:center;flex-direction:column;align-items:center;gap:18px;padding:13px 15px;display:flex}.editor-credentials>h3{letter-spacing:-.5px;font-size:21px}.editor-credentials>p{color:#9ba88a;max-width:300px;font-size:11px;line-height:1.8}.editor-credentials>div{text-align:left;background:#f4f8eb;border:1px solid #e3ebd4;border-radius:12px;flex-direction:column;gap:8px;width:100%;padding:18px 24px;display:flex}.editor-credentials>div>span{color:#a1ae8e;font-size:9px}.editor-credentials>div>b{-webkit-user-select:all;user-select:all;overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,monospace;font-size:15px;font-weight:500}.editor-credentials>div>b+span{margin-top:8px}.editor-audio{background:#f7f9f0;border:1px solid #e7eddc;border-radius:12px;flex-direction:column;gap:14px;padding:18px;display:flex}.editor-audio>h3{color:#7e9366;align-items:center;gap:8px;font-size:12px;display:flex}.editor-audio>p{color:#a1b08d;font-size:10px;line-height:1.7}.editor-audio>audio{width:100%;height:37px}.editor-body .text-btn:disabled{opacity:.4}.editor-body .caption{margin-top:0;font-size:9px}@media (max-width:760px){.editor-backdrop{padding:12px}.editor-modal{border-radius:15px;max-height:94dvh}.editor-modal>header{padding:18px 20px}.editor-modal header h2{font-size:19px}.editor-body{gap:18px;padding:20px}.editor-body input:not([type=checkbox]):not([type=file]),.editor-body textarea,.editor-body select{font-size:16px}.editor-body label{font-size:11px}.editor-metadata{grid-template-columns:1fr;gap:20px}.editor-assignment>img{height:100px}.editor-metadata .editor-assignment{gap:13px}.editor-card-content{grid-template-columns:1fr}.editor-card-picture{grid-template-columns:120px 1fr;align-items:start;gap:12px;display:grid}.editor-card-picture>img,.picture-placeholder{aspect-ratio:1.1;grid-row:span 3}.editor-card-picture>label:first-of-type{grid-column:2}.editor-card-picture>label{grid-column:2;font-size:10px}.editor-card-picture>label input{font-size:13px!important}.editor-card-picture>.text-btn,.editor-card-picture>.btn{font-size:10px}.editor-footer{flex-wrap:wrap}.editor-footer>.editor-status{flex-basis:100%;width:100%;max-width:none}.editor-import{padding:17px}.editor-import textarea{min-height:160px;font-size:12px}.editor-cards summary{gap:8px;padding:11px}.editor-cards summary>small{font-size:9px}.editor-cards summary>b{font-size:11px}.editor-intro>p,.editor-import .section-heading p{font-size:10px}.editor-body .btn{font-size:11px}.editor-modal .editor-grid{grid-template-columns:1fr 1fr}.editor-check{font-size:12px!important}.editor-check input{width:17px;height:17px}.editor-student-form .editor-grid{grid-template-columns:1fr}.editor-student-form .btn{font-size:12px}.editor-audio>p{font-size:11px}}@media (max-width:440px){.editor-modal{max-height:96dvh}.editor-backdrop{padding:7px}.editor-body{padding:18px}.editor-modal>header{padding:17px 18px}.editor-modal .editor-grid{grid-template-columns:1fr}.editor-card-content{padding:15px}.editor-cards summary>small{max-width:100px}.editor-card-picture{grid-template-columns:100px 1fr}.editor-import .section-heading h3{font-size:13px}.editor-footer .btn{flex:1}.editor-body .caption{font-size:10px}}.student-access{background:#fff;border:1px solid #e5eadc;border-radius:13px;flex-direction:column;gap:16px;padding:20px;display:flex}.student-access>header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.student-access>header>svg{color:#8b9b76;flex:none;margin-top:7px}.student-access>header h3{margin:4px 0;font-size:15px}.student-access>header p{color:#98a38a;max-width:560px;font-size:10px;line-height:1.65}.student-access-levels{flex-wrap:wrap;gap:7px;display:flex}.student-access-levels button{color:#7d896f;background:#fff;border:1px solid #e4e9dc;border-radius:8px;justify-content:center;align-items:center;gap:6px;min-width:54px;min-height:38px;padding:6px 10px;font-size:10px;display:flex}.student-access-levels button.active{color:#536b42;background:#edf3e4;border-color:#cddbbd}.student-access-levels button small{color:#97a487;font-size:8px}.student-access-group{flex-direction:column;gap:6px;display:flex}.student-access-group h4{color:#839271;margin:2px 0;font-size:10px;font-weight:600}.student-access-row{cursor:pointer;border:1px solid #edf0e8;border-radius:9px;align-items:center;gap:11px;min-height:52px;padding:8px 10px;display:flex}.student-access-row:has(input:disabled){cursor:default}.student-access-row>input{accent-color:#718d59;flex:none;width:17px;height:17px}.student-access-copy{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.student-access-copy>b{color:#53634a;overflow-wrap:anywhere;font-size:11px}.student-access-copy>small{color:#a0aa94;font-size:9px}.student-access-state{color:#a0a994;white-space:nowrap;align-items:center;gap:5px;font-size:9px;display:flex}.student-access-state.is-open{color:#66894d}.student-access-fixed{color:#98a88a;flex:none}.student-access-empty{color:#9aa58d;background:#f7f8f3;border-radius:9px;padding:13px;font-size:10px;line-height:1.7}.student-access-error{color:#a97055;background:#fcf0e9;border-radius:8px;padding:10px 12px;font-size:10px;line-height:1.6}.student-access-sr{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (max-width:760px){.student-access{padding:16px}.student-access-levels{grid-template-columns:repeat(5,minmax(0,1fr));display:grid}.student-access-levels button{flex-direction:column;gap:2px;min-width:0;min-height:44px;padding:5px 3px}.student-access-row{gap:9px;min-height:58px;padding:8px}.student-access-state{font-size:0}.student-access-state svg{width:17px;height:17px}}