.lp-player{--lp-paper:#f6f7f9;--lp-ink:#202531;--lp-muted:#7c8493;--lp-primary:#5366df;--lp-line:#e7e9ef;--lp-white:#ffffff;color:var(--lp-ink);width:100%;max-width:1520px;margin:0 auto;padding:4px 0 36px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;line-height:1.5}.lp-player *{box-sizing:border-box}.lp-player button,.lp-player input{font:inherit}.lp-player button{cursor:pointer}.lp-player button:disabled{cursor:default;opacity:.4}.lp-player button:focus-visible,.lp-player input:focus-visible,.lp-player summary:focus-visible{outline:3px solid #5366df99;outline-offset:4px}.lp-player [hidden]{display:none!important}.lp-topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px 0 22px;border-bottom:1px solid var(--lp-line)}.lp-back{display:inline-flex;align-items:center;gap:12px;background:transparent;border:0;padding:6px 0;min-height:40px;font-size:12px!important;color:var(--lp-muted)}.lp-back span{font-size:23px;color:var(--lp-ink)}.lp-back:hover{color:var(--lp-primary)}.lp-session-tag{font-size:9px;font-weight:600;letter-spacing:.18em}.lp-connection{display:flex;align-items:center;gap:7px;color:#64748b;font-size:10px}.lp-connection>span{width:6px;height:6px;background:#8292ad;border-radius:50%;box-shadow:0 0 0 4px #8292ad12}.lp-connection-offline{color:var(--lp-primary)}.lp-connection-offline>span{background:var(--lp-primary)}.lp-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:31px 0 27px}.lp-heading>div:first-child{min-width:0}.lp-eyebrow{font-size:9px;letter-spacing:.13em;line-height:1.8;text-transform:uppercase;color:var(--lp-muted)}.lp-heading h1{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:clamp(26px,2.7vw,36px);font-weight:550;letter-spacing:-.035em;line-height:1.2;margin:7px 0 0;overflow-wrap:anywhere}.lp-invite{display:flex;align-items:center;gap:23px;flex-shrink:0;position:relative}.lp-invite>div{display:flex;flex-direction:column;gap:3px}.lp-invite>div>span{font-size:8px;letter-spacing:.13em;color:var(--lp-muted)}.lp-invite strong{font-size:20px;letter-spacing:.18em;font-weight:500}.lp-icon-btn{display:inline-grid;place-items:center;min-height:41px;min-width:43px;padding:7px 12px;border:1px solid var(--lp-line);border-radius:5px;color:var(--lp-ink);background:transparent;font-size:21px!important;line-height:1.1}.lp-icon-btn:hover:not(:disabled){border-color:var(--lp-primary);color:var(--lp-primary)}.lp-pill{font-size:10px;border:1px solid var(--lp-line);padding:7px 12px;border-radius:25px;color:var(--lp-muted)}.lp-ended{background:#edf5f1;border:1px solid #d7e7df;padding:15px 19px;font-size:13px;color:#466d58;border-radius:6px;margin-bottom:20px}.lp-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:26px;align-items:start}.lp-workspace{min-width:0}.lp-canvas{min-height:505px;background:var(--lp-white);border:1px solid var(--lp-line);border-radius:9px;display:flex;flex-direction:column;box-shadow:0 2px 8px #20253102;overflow:hidden}.lp-slide-meta{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:19px 26px;border-bottom:1px solid #eceef3;font-size:10px}.lp-slide-type{display:flex;align-items:center;gap:10px;color:var(--lp-muted)}.lp-slide-type>span{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:18px;color:var(--lp-primary);line-height:1;min-width:18px;text-align:center}.lp-slide-points{white-space:nowrap;font-size:10px;color:#64748b;background:#f1f3f7;border-radius:30px;padding:4px 9px}.lp-slide-main{padding:31px 43px 29px;flex:1;min-width:0}.lp-slide-number{font-size:9px;letter-spacing:.17em;color:#9199a8;margin-bottom:16px}.lp-slide-main h2{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:clamp(24px,2.5vw,33px);font-weight:550;line-height:1.2;letter-spacing:-.035em;margin:0 0 25px;overflow-wrap:anywhere}.lp-slide-text{font-size:19px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;color:#465061;max-width:760px}.lp-slide-body{min-width:0}.lp-task-hint{font-size:12px;color:var(--lp-muted);margin:0 0 26px;line-height:1.7}.lp-gap-text{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:18px;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere;margin:12px 0 24px;color:#343b4b}.lp-gap-input{display:inline-block;width:120px;max-width:100%;height:34px;padding:1px 10px;border:0;border-bottom:1px solid #9da8ec;background:#f1f3fd;color:var(--lp-primary);border-radius:4px 4px 0 0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif!important;font-size:16px!important;line-height:1.5;vertical-align:baseline;text-align:center;margin:0 4px}.lp-gap-input::placeholder{color:#98a3bd;font-size:11px}.lp-gap-input:disabled{background:#f3f5f8;cursor:default;opacity:.75}.lp-match-intro{font-size:16px;margin:0 0 15px}.lp-match-board{display:grid;grid-template-columns:minmax(0,1fr) 38px minmax(0,1fr);gap:8px;margin:16px 0}.lp-match-column{display:flex;flex-direction:column;gap:10px}.lp-match-divider{align-self:center;text-align:center;color:#a4adbd;font-size:26px}.lp-match-choice{display:flex;align-items:center;gap:12px;text-align:left;padding:13px 12px;min-height:52px;border:1px solid #e1e5ec;background:#ffffff;border-radius:5px;color:var(--lp-ink);font-size:13px!important;line-height:1.4;transition:background .15s,border-color .15s;overflow-wrap:anywhere}.lp-match-choice>span:nth-child(2){min-width:0;flex:1}.lp-match-choice:hover:not(:disabled),.lp-match-available:hover:not(:disabled){border-color:#5366df70;background:#f5f6ff}.lp-match-letter{font-size:9px;color:#939cad;flex-shrink:0}.lp-match-link{font-size:9px;min-width:19px;min-height:19px;display:grid;place-items:center;border-radius:50%;flex-shrink:0;color:#5366a0}.lp-match-linked{background:#eef1fc;border-color:#c6d0f3}.lp-match-linked .lp-match-link{background:#dce3fa}.lp-match-selected{background:#eef1ff;border-color:var(--lp-primary);box-shadow:0 0 0 1px var(--lp-primary);color:var(--lp-primary)}.lp-match-status{font-size:11px;color:var(--lp-muted);min-height:20px;margin-top:15px}.lp-answer-area{border-top:1px solid #eceef3;padding:17px 25px}.lp-submit-row{display:flex;align-items:center;justify-content:space-between;gap:18px}.lp-submit-row>span{font-size:10px;line-height:1.6;color:var(--lp-muted);max-width:240px}.lp-button{min-height:43px;display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:11px 18px;border:1px solid var(--lp-line);background:transparent;border-radius:5px;color:var(--lp-ink);font-size:12px!important;line-height:1.4}.lp-button-primary{background:var(--lp-primary);color:#ffffff;border-color:var(--lp-primary)}.lp-button-primary:hover:not(:disabled){background:#4658cc}.lp-button>span{font-size:18px;line-height:1}.lp-feedback{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:4px;margin:0 0 16px;font-size:12px}.lp-feedback-success{background:#edf6f1;color:#397459}.lp-feedback-retry{background:#fff7e8;color:#926d31}.lp-feedback-icon{width:28px;height:28px;border-radius:50%;border:1px solid currentColor;display:grid;place-items:center;flex-shrink:0;font-size:15px}.lp-feedback strong{font-size:12px;font-weight:600}.lp-feedback p{margin:3px 0 0;font-size:11px;line-height:1.6}.lp-teacher-note{display:flex;align-items:center;gap:9px;font-size:10px;color:var(--lp-muted);line-height:1.7}.lp-teacher-note>span{color:#7d8db0}.lp-answer-key{margin-top:10px;color:var(--lp-muted);font-size:11px}.lp-answer-key summary{cursor:pointer;width:fit-content;min-height:30px;display:list-item;padding:5px 0}.lp-answer-key p{margin:6px 0 0;line-height:1.8}.lp-controls{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px 0 20px}.lp-progress-label{display:flex;align-items:center;gap:16px}.lp-progress-label>strong{font-size:16px;font-weight:500;white-space:nowrap}.lp-progress-label>strong>span{color:#929caf;font-size:12px}.lp-progress-label>span{font-size:10px;color:var(--lp-muted)}.lp-nav-buttons{display:flex;align-items:center;gap:8px}.lp-next{display:flex;align-items:center;gap:19px;min-height:41px;background:transparent;border:1px solid var(--lp-line);color:var(--lp-ink);padding:9px 14px;border-radius:5px;font-size:11px!important}.lp-next>span{font-size:21px;line-height:1}.lp-next:hover:not(:disabled){background:#eef1f7}.lp-filmstrip{display:flex;gap:11px;overflow-x:auto;padding:0 1px 8px;scrollbar-width:thin;scrollbar-color:#d6dce7 transparent}.lp-slide-thumb{position:relative;display:grid;grid-template-columns:1fr auto;gap:9px;text-align:left;flex:0 0 133px;min-height:91px;padding:12px 13px;background:#f5f6f9;border:1px solid var(--lp-line);border-radius:5px;color:var(--lp-muted)}.lp-player .lp-slide-thumb:disabled{opacity:.7}.lp-slide-thumb-active{border-color:var(--lp-primary);box-shadow:inset 0 0 0 1px var(--lp-primary);background:#eef1ff}.lp-player .lp-slide-thumb-active:disabled{opacity:1}.lp-thumb-icon{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:20px;line-height:1}.lp-thumb-number{font-size:8px;letter-spacing:.09em;color:#8c97ac}.lp-thumb-title{font-size:9px;line-height:1.45;grid-column:1/-1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;max-width:110px;overflow-wrap:anywhere}.lp-thumb-check{position:absolute;top:8px;right:9px;font-size:9px;color:#5f7094;background:#e1e7fa;width:17px;height:17px;border-radius:50%;display:grid;place-items:center}.lp-slide-thumb-done .lp-thumb-number{visibility:hidden}.lp-sidebar{min-width:0}.lp-side-card{padding:20px;background:#ffffff;border:1px solid var(--lp-line);border-radius:7px;margin-bottom:17px}.lp-side-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:11px}.lp-side-heading h3{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:13px;line-height:1.4;font-weight:500;letter-spacing:-.01em;margin:0}.lp-count{font-size:9px;color:var(--lp-muted);background:#f0f2f7;border-radius:20px;min-width:21px;padding:3px 6px;text-align:center;white-space:nowrap}.lp-side-caption{font-size:10px;color:var(--lp-muted);line-height:1.7;margin:10px 0 0;overflow-wrap:anywhere}.lp-waiting{text-align:center;padding:25px 2px 18px}.lp-waiting>span{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:43px;font-weight:400;line-height:1.2;color:#b5bed2;display:block;margin-bottom:12px}.lp-waiting p{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:18px;letter-spacing:-.035em;margin:0 0 8px}.lp-waiting small{font-size:10px;line-height:1.8;display:block;max-width:200px;margin:0 auto;color:var(--lp-muted)}.lp-answers-list{margin-top:17px;max-height:420px;overflow-y:auto}.lp-student-answer{padding:12px 0;border-top:1px solid var(--lp-line)}.lp-student-answer-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.lp-student-answer-head strong{font-size:11px;font-weight:600;overflow-wrap:anywhere;min-width:0}.lp-student-answer-head>span{font-size:8px;white-space:nowrap}.lp-answer-correct{color:#478163}.lp-answer-pending{color:#a48345}.lp-student-answer p{font-size:12px;margin:9px 0 4px;line-height:1.7;overflow-wrap:anywhere}.lp-student-answer small{font-size:9px;color:var(--lp-muted)}.lp-participant{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid #edf0f5}.lp-participant:last-child{border-bottom:0;padding-bottom:0}.lp-participant>div{min-width:0;flex:1;display:flex;flex-direction:column;gap:2px}.lp-participant strong{font-size:11px;font-weight:500;overflow-wrap:anywhere}.lp-participant small{font-size:9px;color:var(--lp-muted)}.lp-avatar{width:31px;height:31px;flex-shrink:0;display:grid;place-items:center;border-radius:50%;background:#eff2f7;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:14px}.lp-participant-teacher .lp-avatar{background:#e9edff;color:#5366df}.lp-online-dot{width:5px;height:5px;border-radius:50%;background:#889ab7;flex-shrink:0}.lp-end-room{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;background:transparent;border:1px solid #e0e4ed;padding:11px 16px;border-radius:5px;color:var(--lp-primary);font-size:11px!important;min-height:44px}.lp-end-room>span{font-size:20px}.lp-end-room:hover:not(:disabled){background:#f4f6fa}.lp-score-card{position:relative;overflow:hidden;padding:24px 23px 23px;background:#eff2fc;border:1px solid #e0e6f7;border-radius:7px;margin-bottom:17px;display:flex;flex-direction:column;align-items:flex-start}.lp-score-card .lp-eyebrow{font-size:8px;letter-spacing:.1em;color:#7c86a5}.lp-score-card>strong{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-weight:400;font-size:61px;letter-spacing:-.05em;line-height:1.1;margin-top:22px;color:#5366df}.lp-score-card>span:not(.lp-score-star):not(.lp-eyebrow){font-size:11px;color:#7a87ab;margin-top:5px}.lp-score-card>p{border-top:1px solid #dfe5f5;margin:21px 0 0;padding-top:15px;font-size:11px;line-height:1.8;color:#7a85a0;max-width:230px}.lp-score-star{position:absolute;right:21px;top:64px;font-size:55px;line-height:1;color:#bbc6ed;transform:rotate(15deg);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}.lp-progress-track{height:4px;background:#e9edf5;border-radius:5px;overflow:hidden;margin:18px 0 14px}.lp-progress-track>span{display:block;height:100%;background:#7b8be0;border-radius:5px;transition:width .3s}.lp-total-score{border-top:1px solid var(--lp-line);padding-top:14px;margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:9px;color:var(--lp-muted)}.lp-total-score strong{font-size:13px;font-weight:500;color:#6374a0}.lp-side-note{display:flex;gap:12px;padding:7px 3px;color:var(--lp-muted)}.lp-side-note>span{color:#97a3c7;font-size:25px;line-height:1.2}.lp-side-note strong{font-size:11px;font-weight:500;color:var(--lp-ink)}.lp-side-note p{font-size:10px;line-height:1.8;margin:7px 0 0}.lp-image{margin:0 0 24px;background:#f3f5f8;border-radius:5px;overflow:hidden}.lp-image img{max-height:480px;width:100%;display:block;object-fit:contain}.lp-audio{background:#f4f6fb;border:1px solid #e7ebf3;border-radius:7px;padding:25px;text-align:center;margin-bottom:24px}.lp-audio-art{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:42px;line-height:1;color:#7484bd}.lp-audio-wave{font-size:24px;letter-spacing:4px;line-height:1.8;color:#adbae4;margin-top:10px}.lp-audio p{font-size:15px;line-height:1.65;margin:17px 0}.lp-audio p>span{font-size:11px;color:var(--lp-muted)}.lp-audio audio{width:min(100%,400px);height:40px}.lp-video{border-radius:5px;overflow:hidden;background:#242a38;aspect-ratio:16/9;margin:0 0 24px}.lp-video video,.lp-video iframe{display:block;border:0;width:100%;height:100%;object-fit:contain}.lp-media-empty{background:#f4f6fa;padding:35px;text-align:center;margin:0 0 25px;border-radius:5px;color:var(--lp-muted)}.lp-media-empty>span{font-size:36px;color:#abb6ce}.lp-media-empty p{font-size:12px;margin:12px 0 0}.lp-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:65vh;text-align:center;padding:40px 25px}.lp-loading-mark{font-size:55px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--lp-primary);line-height:1;margin-bottom:30px}.lp-loading h2,.lp-empty-slide h2{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;letter-spacing:-.04em;font-size:35px;font-weight:400;margin:0 0 15px}.lp-loading p,.lp-empty-slide p{font-size:13px;line-height:1.8;color:var(--lp-muted);max-width:480px}.lp-loading>div{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:12px}.lp-empty-slide{padding:70px 30px;text-align:center}.lp-empty-slide>span{display:block;font-size:45px;color:var(--lp-primary);margin-bottom:24px}.lp-empty-slide p{margin:0 auto}.lp-live-message{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.lp-copy-fallback{position:absolute;right:0;top:calc(100% + 7px);width:260px;border:1px solid var(--lp-line);border-radius:5px;padding:10px;font-size:12px;z-index:5;background:var(--lp-white)}
@media(min-width:1400px){.lp-layout{grid-template-columns:minmax(0,1fr) 305px;gap:30px}.lp-canvas{min-height:555px}.lp-slide-main{padding:35px 53px}.lp-slide-main h2{font-size:34px}.lp-side-card{padding:23px}.lp-score-card{padding:25px}}
@media(max-width:1050px){.lp-layout{grid-template-columns:minmax(0,1fr) 240px;gap:18px}.lp-slide-main{padding:27px}.lp-slide-meta{padding:16px 20px}.lp-side-card{padding:17px}.lp-answer-area{padding:17px 20px}.lp-match-board{grid-template-columns:minmax(0,1fr) 16px minmax(0,1fr);gap:5px}.lp-match-choice{padding:11px 9px;gap:7px}.lp-match-divider{font-size:19px}.lp-progress-label>span{max-width:145px}.lp-submit-row>span{max-width:160px}.lp-score-card{padding:22px 18px}}
@media(max-width:800px){.lp-layout{grid-template-columns:1fr}.lp-sidebar>div{display:grid;grid-template-columns:1fr 1fr;gap:16px}.lp-side-card,.lp-score-card{margin-bottom:0}.lp-side-note{grid-column:1/-1;padding:2px 6px}.lp-score-card>strong{font-size:48px;margin-top:13px}.lp-score-star{top:43px;right:25px;font-size:48px}.lp-score-card>p{margin-top:13px;padding-top:13px;max-width:none}.lp-heading{padding:26px 0}.lp-canvas{min-height:470px}.lp-slide-main{padding:30px}.lp-connection{font-size:9px}.lp-session-tag{font-size:8px;letter-spacing:.12em}.lp-end-room{grid-column:1/-1;width:100%;margin-top:0}.lp-answers-list{max-height:250px}.lp-progress-label>span{max-width:none}.lp-submit-row>span{max-width:230px}.lp-match-board{grid-template-columns:minmax(0,1fr) 32px minmax(0,1fr);gap:8px}.lp-match-choice{padding:13px;gap:10px}.lp-waiting{padding:12px 0}.lp-waiting>span{font-size:33px}.lp-waiting small{max-width:none}}
@media(max-width:520px){.lp-player{padding-top:0}.lp-topbar{padding:5px 0 14px;gap:9px;flex-wrap:wrap}.lp-back{font-size:11px!important;min-height:36px}.lp-session-tag{display:none}.lp-connection{font-size:8px}.lp-heading{gap:14px;align-items:flex-start;padding:22px 0}.lp-heading h1{font-size:28px;margin-top:6px}.lp-heading .lp-eyebrow{font-size:8px;letter-spacing:.08em}.lp-invite{gap:9px;padding-top:1px}.lp-invite>div>span{font-size:7px}.lp-invite strong{font-size:14px;letter-spacing:.1em}.lp-invite .lp-icon-btn{min-width:34px;min-height:35px;padding:5px 8px;font-size:17px!important}.lp-invite .lp-pill{font-size:8px;padding:5px 8px;max-width:95px;text-align:center}.lp-slide-meta{padding:13px 16px;font-size:9px}.lp-slide-points{font-size:9px;padding:3px 7px}.lp-slide-main{padding:23px 20px 25px}.lp-slide-number{font-size:8px;margin-bottom:13px}.lp-slide-main h2{font-size:27px;margin-bottom:22px}.lp-slide-text{font-size:17px;line-height:1.8}.lp-task-hint{font-size:11px;margin-bottom:19px}.lp-gap-text{font-size:16px;line-height:1.85;margin-block:5px 16px}.lp-gap-input{width:110px;height:34px;font-size:16px!important;margin-inline:3px}.lp-canvas{min-height:450px;border-radius:7px}.lp-answer-area{padding:15px 16px}.lp-submit-row{gap:13px;flex-wrap:wrap}.lp-submit-row>span{font-size:9px;max-width:none}.lp-submit-row .lp-button{width:100%;justify-content:space-between;min-height:44px;padding:11px 14px;font-size:11px!important}.lp-controls{padding:15px 0 18px;gap:12px;align-items:center}.lp-progress-label{gap:10px}.lp-progress-label>strong{font-size:14px}.lp-progress-label>strong>span{font-size:10px}.lp-progress-label>span{font-size:8px;max-width:105px;line-height:1.6}.lp-next{font-size:10px!important;min-height:39px;padding:8px 11px;gap:11px}.lp-nav-buttons{gap:5px}.lp-nav-buttons .lp-icon-btn{min-height:39px;min-width:37px;padding:6px 9px;font-size:19px!important}.lp-filmstrip{gap:8px}.lp-slide-thumb{flex-basis:110px;min-height:82px;padding:10px;gap:7px}.lp-thumb-title{font-size:8px}.lp-thumb-icon{font-size:18px}.lp-sidebar>div{gap:12px}.lp-side-card,.lp-score-card{padding:16px 14px}.lp-side-heading{gap:6px;margin-bottom:10px}.lp-side-heading h3{font-size:11px}.lp-count{font-size:8px}.lp-score-card .lp-eyebrow{font-size:7px;letter-spacing:.055em}.lp-score-card>strong{font-size:45px;margin-top:14px}.lp-score-card>span:not(.lp-score-star):not(.lp-eyebrow){font-size:9px}.lp-score-star{font-size:33px;top:46px;right:14px}.lp-score-card>p{font-size:9px;line-height:1.7;margin-top:12px;padding-top:11px}.lp-side-caption{font-size:9px}.lp-total-score{gap:5px;flex-wrap:wrap;font-size:8px;padding-top:11px;margin-top:13px}.lp-total-score strong{font-size:11px}.lp-progress-track{margin:14px 0 12px}.lp-side-note p{font-size:10px}.lp-match-board{grid-template-columns:minmax(0,1fr) 14px minmax(0,1fr);gap:5px}.lp-match-choice{font-size:11px!important;padding:11px 8px;gap:7px;min-height:50px}.lp-match-letter{font-size:8px}.lp-match-link{font-size:8px;min-width:16px;min-height:16px}.lp-match-divider{font-size:18px}.lp-match-status{font-size:10px}.lp-student-answer-head{align-items:flex-start;flex-direction:column;gap:4px}.lp-student-answer p{font-size:10px}.lp-student-answer small{font-size:8px}.lp-waiting p{font-size:16px}.lp-waiting small{font-size:9px}.lp-participant{gap:7px}.lp-avatar{width:26px;height:26px;font-size:12px}.lp-participant strong{font-size:10px}.lp-participant small{font-size:8px}.lp-audio{padding:23px 13px}.lp-audio-wave{font-size:18px;letter-spacing:3px}.lp-audio p{font-size:13px}.lp-audio p>span{font-size:10px}.lp-ended{font-size:11px;padding:13px}.lp-feedback{font-size:11px;padding:10px;gap:9px}.lp-feedback strong{font-size:11px}.lp-feedback p{font-size:10px}.lp-loading h2{font-size:30px}.lp-loading p{font-size:12px}.lp-loading{min-height:55vh;padding:30px 14px}}
@media(prefers-reduced-motion:reduce){.lp-player *{transition:none!important}}
.lp-answer-drafting{color:#5366df;background:#eef1ff;padding:3px 6px;border-radius:4px}.lp-draft-blank{display:inline-block;min-width:30px;color:#a3acc2;border-bottom:1px solid #e1e6f2}.lp-draft-answer small{color:#8792ab}
/* Lesson structure, private teaching support, and item-level practice. */
.lp-section-nav{display:flex;gap:6px;align-items:stretch;overflow-x:auto;scrollbar-width:thin;padding:0 0 14px;margin:0 0 19px;border-bottom:1px solid var(--lp-line)}.lp-section-tab{display:flex;align-items:center;gap:9px;flex-shrink:0;border:1px solid transparent;border-radius:6px;padding:10px 12px;background:transparent;color:var(--lp-muted);font-size:12px!important;line-height:1.3;min-height:40px}.lp-section-tab small{font-size:9px;color:#9aa3b4;white-space:nowrap}.lp-section-tab:hover:not(:disabled){background:#eef1f7;color:var(--lp-ink)}.lp-section-tab-active{background:#edf0fd;color:#5366df;border-color:#e0e5fa}.lp-player .lp-section-tab:disabled{opacity:.8}.lp-player .lp-section-tab-active:disabled{opacity:1}.lp-preview-controls{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 22px}.lp-preview-controls>span{font-size:10px;color:var(--lp-muted)}.lp-preview-switch{display:flex;gap:3px;border:1px solid var(--lp-line);padding:3px;background:#eef0f5;border-radius:7px}.lp-preview-switch button{background:transparent;color:var(--lp-muted);font-size:11px!important;border:0;min-height:34px;padding:8px 12px;border-radius:5px;line-height:1.4}.lp-preview-switch button[aria-pressed=true]{background:white;color:#5366df;box-shadow:0 1px 3px #20253109}.lp-section-outline{display:flex;flex-direction:column;gap:3px;margin:12px -7px -6px}.lp-section-outline button{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 8px;background:transparent;border:0;border-radius:5px;color:#778297;text-align:left;font-size:11px!important}.lp-section-outline button small{font-size:9px;white-space:nowrap;color:#98a2b4}.lp-section-outline button[aria-current=step]{background:#f0f3ff;color:#5366df}.lp-slide-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}.lp-visibility-button{border:1px solid #e2e6ee;background:#f9fafc;padding:6px 9px;border-radius:5px;font-size:9px!important;line-height:1.4;color:#7b8597;min-height:31px}.lp-visibility-button:hover:not(:disabled){color:#5366df;border-color:#bcc6ee;background:#f4f6ff}.lp-hidden-label{font-size:9px;color:#8d96a6}.lp-slide-thumb-hidden{border-style:dashed}.lp-hidden-slide{padding:85px 32px;min-height:450px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.lp-hidden-slide>span{display:grid;place-items:center;width:60px;height:60px;border:1px solid #e2e7f1;color:#a3afc8;font-size:31px;border-radius:14px;background:#f6f8fc;margin-bottom:26px}.lp-hidden-slide h2{font-family:inherit;font-size:25px;font-weight:500;letter-spacing:-.03em;margin:0 0 13px;color:#556075}.lp-hidden-slide p{font-size:13px;line-height:1.8;color:#9099a9;max-width:320px;margin:0}.lp-teacher-notes{margin-top:28px;padding:18px 20px;background:#f6f7fa;border:1px solid #eceef3;border-radius:6px;color:#8590a0}.lp-teacher-notes>summary{display:block;font-size:9px;font-weight:600;letter-spacing:.035em;margin-bottom:8px;color:#8f98a6}.lp-teacher-notes>p{font-size:12px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.lp-inline-answer{display:inline-flex;align-items:baseline;gap:4px;max-width:100%;white-space:normal}.lp-inline-key{font-family:inherit;font-size:12px;line-height:1.5;color:#8f97a5;font-weight:400;max-width:210px;vertical-align:middle}.lp-inline-result{font-family:inherit;font-size:11px;line-height:1;font-weight:600;min-width:0}.lp-inline-result:empty{display:none}.lp-match-key{display:block;color:#9ba3b1;font-size:10px;line-height:1.6;font-weight:400;margin-top:6px}.lp-player[data-teacher-view=true] .lp-match-choice:disabled{opacity:1}.lp-exercise-intro{font-size:16px;margin:0 0 25px;line-height:1.8}.lp-exercise-items{list-style:none;padding:0;margin:0}.lp-exercise-item{padding:23px 0;border-bottom:1px solid #edf0f5}.lp-exercise-item:first-child{padding-top:0}.lp-exercise-item:last-child{border-bottom:0;padding-bottom:0}.lp-exercise-item-teacher{display:grid;grid-template-columns:minmax(0,1fr) 175px;gap:25px}.lp-item-main{min-width:0}.lp-item-prompt{display:flex;gap:12px;align-items:baseline;font-size:16px;font-weight:450;color:#3e495c;line-height:1.7;margin:0 0 13px;white-space:pre-wrap;overflow-wrap:anywhere}.lp-item-number{flex-shrink:0;font-size:10px;color:#a4adbc;font-weight:400;line-height:1.6;min-width:14px}.lp-item-key{border-left:1px solid #e8ebf1;padding:0 0 0 17px;min-width:0;align-self:start}.lp-item-key>span{font-size:9px;color:#a5adba;letter-spacing:.03em;display:block;margin:2px 0 6px}.lp-item-key>p{font-size:12px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere;color:#8993a4;margin:0}.lp-item-key>small{font-size:10px;line-height:1.7;color:#a1a9b7;display:block;margin-top:10px;white-space:pre-wrap;overflow-wrap:anywhere}.lp-long-answer{display:block;width:100%;min-height:78px;padding:12px 14px;border:1px solid #dfe4ee;border-radius:6px;background:#fbfcfe;color:#374257;font-family:inherit;font-size:14px;line-height:1.65;resize:vertical;transition:border-color .15s,background .15s}.lp-long-answer::placeholder{color:#aab2c0;font-size:12px}.lp-long-answer:disabled{background:#f7f8fa;opacity:.8;cursor:default}.lp-choice-options{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px;min-width:0}.lp-choice-option{display:flex;align-items:center;gap:8px;padding:10px 12px;min-height:42px;border:1px solid #e1e6f0;border-radius:6px;font-size:13px;line-height:1.5;color:#657087;background:#fbfcfe;cursor:pointer;overflow-wrap:anywhere;max-width:100%}.lp-choice-option input{width:14px;height:14px;flex-shrink:0;margin:0;accent-color:#5366df}.lp-choice-letter{font-size:9px;color:#a2abc0}.lp-choice-option:has(input:checked){background:#f0f3ff;border-color:#aab9ef;color:#4c60b8}.lp-choice-option:has(input:disabled){cursor:default}.lp-choice-option:has(input:focus-visible){outline:3px solid #5366df55;outline-offset:3px}.lp-choice-option:has(input:focus-visible) input{outline:0}.lp-field-feedback{display:block;min-height:0;margin-top:7px;font-size:10px;line-height:1.5}.lp-field-feedback:empty{display:none}.lp-field-correct .lp-field-feedback,.lp-field-correct .lp-inline-result{color:#368761}.lp-field-wrong .lp-field-feedback,.lp-field-wrong .lp-inline-result{color:#c36267}.lp-field-correct .lp-gap-input,.lp-field-correct .lp-long-answer{border-color:#9dcdb4;background:#f1f9f4;color:#367953}.lp-field-wrong .lp-gap-input,.lp-field-wrong .lp-long-answer{border-color:#dfa8ac;background:#fff5f5;color:#a65158}.lp-field-correct .lp-choice-option:has(input:checked){border-color:#a2ccb6;background:#f0f8f4;color:#478464}.lp-field-wrong .lp-choice-option:has(input:checked){border-color:#dfa9ae;background:#fff4f5;color:#b4646d}.lp-match-choice.lp-field-correct{border-color:#a4cdb7;background:#eff8f3;color:#478464}.lp-match-choice.lp-field-wrong{border-color:#dfa9ae;background:#fff4f5;color:#b4646d}.lp-player .lp-match-choice:disabled.lp-field-correct,.lp-player .lp-match-choice:disabled.lp-field-wrong{opacity:1}
@media(max-width:1150px){.lp-exercise-item-teacher{grid-template-columns:minmax(0,1fr);gap:14px}.lp-item-key{border-left:2px solid #e8ebf1;padding-left:13px}.lp-item-key>span{display:inline;margin-right:10px}.lp-item-key>p{display:inline;font-size:11px}.lp-item-key>small{margin-top:5px}.lp-slide-meta{gap:10px;align-items:flex-start}.lp-slide-tools{gap:7px}.lp-section-tab{padding:9px 10px;gap:7px;font-size:11px!important}.lp-section-tab small{font-size:8px}}
@media(max-width:800px){.lp-preview-controls{margin-bottom:18px}.lp-section-nav{margin-bottom:16px;padding-bottom:12px}.lp-section-outline{display:grid;grid-template-columns:1fr 1fr;gap:3px 10px}.lp-exercise-item-teacher{grid-template-columns:minmax(0,1fr) 175px;gap:18px}.lp-item-key{border-left:1px solid #e8ebf1}.lp-item-key>span{display:block;margin:2px 0 6px}.lp-item-key>p{display:block}.lp-item-key>small{margin-top:8px}}
@media(max-width:560px){.lp-preview-controls{align-items:flex-start;flex-direction:column;gap:9px;margin-top:-3px}.lp-preview-controls>span{font-size:9px}.lp-preview-switch button{font-size:10px!important;padding:7px 10px;min-height:33px}.lp-section-tab{font-size:10px!important;padding:8px 9px;min-height:36px;gap:6px}.lp-section-tab small{font-size:8px}.lp-slide-tools{gap:6px}.lp-slide-meta{flex-wrap:wrap;gap:8px}.lp-slide-type{font-size:9px}.lp-visibility-button{font-size:8px!important;padding:5px 7px;min-height:28px}.lp-hidden-label{font-size:8px}.lp-slide-number{line-height:1.7}.lp-hidden-slide{min-height:360px;padding:55px 22px}.lp-hidden-slide h2{font-size:22px}.lp-hidden-slide p{font-size:11px}.lp-teacher-notes{padding:15px;margin-top:23px}.lp-teacher-notes>summary{font-size:8px}.lp-teacher-notes>p{font-size:11px}.lp-inline-key{font-size:10px;max-width:120px}.lp-exercise-intro{font-size:14px;margin-bottom:22px}.lp-exercise-item{padding-block:21px}.lp-exercise-item-teacher{grid-template-columns:minmax(0,1fr);gap:13px}.lp-item-prompt{font-size:14px;gap:9px;margin-bottom:12px}.lp-item-number{font-size:9px;min-width:12px}.lp-item-key{border-left:2px solid #e8ebf1;padding-left:12px}.lp-item-key>span{display:inline;margin-right:9px}.lp-item-key>p{display:inline;font-size:11px}.lp-item-key>small{margin-top:6px;font-size:10px}.lp-long-answer{min-height:85px;font-size:16px;padding:11px 12px}.lp-long-answer::placeholder{font-size:11px}.lp-choice-options{gap:7px}.lp-choice-option{font-size:12px;padding:9px 11px;gap:7px;min-height:43px}.lp-choice-letter{font-size:8px}.lp-match-key{font-size:9px}.lp-section-outline{display:flex}.lp-section-outline button{font-size:10px!important;padding:7px}.lp-section-outline button small{font-size:8px}}

.lp-teacher-notes>summary{cursor:pointer;min-height:25px;display:list-item;list-style-position:inside;margin-bottom:0}.lp-teacher-notes[open]>summary{margin-bottom:10px}.lp-teacher-notes{padding-block:13px}
/* A word picker grades only the learner's selected answer. Other options remain neutral. */
.lp-gap-select{appearance:auto;cursor:pointer;width:165px;max-width:100%;height:40px;padding:4px 9px;border:1px solid #d5dcec;border-radius:5px;background:#f6f8fd;font-size:15px!important;text-align:left;vertical-align:baseline;color:#5c6b8d}.lp-gap-select:disabled{cursor:default}.lp-gap-select option{background:#ffffff;color:#374257}.lp-field-correct .lp-gap-input{background:#eaf6ef;border-color:#6fab89;color:#286546}.lp-field-wrong .lp-gap-input{background:#fdeced;border-color:#d28891;color:#a4404f}.lp-field-correct .lp-gap-input:focus-visible{outline-color:#6fab89}.lp-field-wrong .lp-gap-input:focus-visible{outline-color:#d28891}.lp-player select:focus-visible{outline:3px solid #5366df99;outline-offset:4px}.lp-player .lp-field-correct select:focus-visible{outline-color:#6fab89}.lp-player .lp-field-wrong select:focus-visible{outline-color:#d28891}
@media(max-width:520px){.lp-gap-select{width:145px;height:38px;font-size:16px!important;padding:3px 7px}}
/* The word menu stays neutral; correctness belongs only to the selected field. */
.lp-picker-trigger{display:inline-flex;align-items:center;justify-content:space-between;gap:13px;width:auto;min-width:146px;max-width:100%;height:40px;padding:5px 11px;border:1px solid #d9dfed;border-radius:7px;background:#f7f9fd;color:#536381;text-align:left;vertical-align:baseline;font-size:15px!important;line-height:1.5;cursor:pointer}.lp-picker-trigger>[data-picker-value]{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lp-picker-chevron{font-size:15px;line-height:1;color:#929db3;flex-shrink:0;transition:transform .12s}.lp-picker-trigger[aria-expanded=true]{border-color:#9baae9;box-shadow:0 0 0 3px #5366df0d}.lp-picker-trigger[aria-expanded=true] .lp-picker-chevron{transform:rotate(180deg)}.lp-picker-empty{color:#9aa5bb}.lp-picker-trigger:hover:not(:disabled){border-color:#a9b5db}.lp-player .lp-picker-trigger:disabled{opacity:.7}.lp-picker-popover{position:fixed;z-index:210;overflow-y:auto;overscroll-behavior:contain;padding:6px;background:#ffffff;border:1px solid #e4e8f1;border-radius:11px;box-shadow:0 8px 28px #2334581a,0 2px 6px #23345808;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;line-height:1.4;scrollbar-width:thin;scrollbar-color:#d8deed transparent}.lp-picker-option{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:10px 11px;min-height:39px;background:transparent;border:0;border-radius:6px;color:#59657c;font-size:13px!important;text-align:left;line-height:1.5;overflow-wrap:anywhere;cursor:pointer}.lp-picker-option:hover,.lp-picker-option:focus{outline:0!important;outline-offset:0;background:#f0f3ff;color:#5366df}.lp-picker-option-selected{color:#5366df;background:#f7f8ff}.lp-picker-option-selected:hover,.lp-picker-option-selected:focus{background:#edf1ff}.lp-picker-check{min-width:14px;text-align:center;color:#6377dc;font-size:12px}.lp-picker-clear{margin-top:5px;border-top:1px solid #edf0f5;border-radius:0 0 6px 6px;color:#9aa4b8;font-size:11px!important;padding-top:11px}.lp-field-correct .lp-picker-trigger,.lp-field-correct .lp-picker-trigger[aria-expanded=true]{background:#eaf6ef;border-color:#6fab89;color:#286546}.lp-field-wrong .lp-picker-trigger,.lp-field-wrong .lp-picker-trigger[aria-expanded=true]{background:#fdeced;border-color:#d28891;color:#a4404f}.lp-field-correct .lp-picker-trigger .lp-picker-chevron{color:#6f9b81}.lp-field-wrong .lp-picker-trigger .lp-picker-chevron{color:#b97c86}.lp-player .lp-field-correct .lp-picker-trigger:focus-visible{outline-color:#6fab89}.lp-player .lp-field-wrong .lp-picker-trigger:focus-visible{outline-color:#d28891}.lp-instant-status{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:24px;color:#8a94a7;font-size:11px;line-height:1.6}.lp-instant-earned{color:#589875;white-space:nowrap;font-size:11px}.lp-instant-error{color:#a27378}.lp-retry-check{background:#fff7f7;border:1px solid #eddadd;border-radius:5px;color:#a36873;font-size:10px!important;padding:7px 10px;min-height:34px;white-space:nowrap}.lp-retry-check:hover{background:#ffeff1}
@media(max-width:520px){.lp-picker-trigger{min-width:132px;max-width:100%;height:38px;padding:4px 9px;gap:9px;font-size:15px!important}.lp-picker-option{font-size:14px!important;min-height:44px;padding:10px 11px}.lp-picker-clear{font-size:11px!important}.lp-picker-popover{border-radius:10px}.lp-instant-status{font-size:10px;gap:9px;flex-wrap:wrap}.lp-instant-earned{font-size:10px}.lp-retry-check{min-height:36px}}
/* Empty feedback leaves the slide uncluttered; lesson stats share one card. */
.lp-answer-area:empty{display:none}.lp-submit-row{justify-content:flex-end}.lp-sidebar>div:has(>.lp-lesson-progress){display:block}.lp-layout:has(>.lp-sidebar[hidden]){grid-template-columns:minmax(0,1fr)}.lp-topbar{padding-block:4px 10px}.lp-heading{padding-block:20px}.lp-lesson-progress .lp-total-score{font-size:11px}.lp-lesson-progress .lp-total-score strong{font-size:18px}
/* A teacher follows one learner directly on the exercise, without editing it. */
.lp-observed-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 26px;background:#f6f8fd;border-bottom:1px solid #e8edf5}.lp-observed-label{display:flex;align-items:center;gap:8px;min-width:0;font-size:11px;color:#8b96a9}.lp-observed-label strong{font-size:12px;color:#58657b;font-weight:500;overflow-wrap:anywhere}.lp-learner-select{font:inherit;font-size:12px;color:#5366b1;border:1px solid #dce3f3;border-radius:5px;background:#fff;padding:6px 28px 6px 9px;max-width:240px;min-width:0;cursor:pointer}.lp-observed-status{font-size:10px;line-height:1.6;color:#8e99ad;text-align:right;max-width:260px}.lp-player[data-observing-learner=true] .lp-gap-input:disabled,.lp-player[data-observing-learner=true] .lp-long-answer:disabled{opacity:1}.lp-player[data-observing-learner=true] .lp-choice-option:has(input:checked){background:#f0f3ff;border-color:#aab9ef;color:#4c60b8}.lp-player[data-observing-learner=true] .lp-field-correct .lp-choice-option:has(input:checked){border-color:#a2ccb6;background:#edf8f1;color:#39805a}.lp-player[data-observing-learner=true] .lp-field-wrong .lp-choice-option:has(input:checked){border-color:#dfa9ae;background:#fff0f2;color:#ad5361}.lp-player[data-observing-learner=true] .lp-choice-option input:disabled{opacity:1}
@media(max-width:800px){.lp-observed-bar{padding:12px 20px;gap:12px}.lp-observed-status{font-size:9px;max-width:190px}}
@media(max-width:520px){.lp-observed-bar{padding:11px 16px;align-items:flex-start;flex-direction:column;gap:5px}.lp-observed-label{font-size:10px;width:100%}.lp-observed-label strong{font-size:11px}.lp-learner-select{font-size:12px;max-width:calc(100% - 55px);padding-block:6px}.lp-observed-status{font-size:9px;text-align:left;max-width:none}}
/* Independent learning positions and teacher-guided navigation. */
.lp-room-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 21px;padding:13px 16px;border:1px solid #e4e9f3;border-radius:8px;background:#fbfcff}.lp-navigation-setting{display:flex;align-items:center;gap:12px}.lp-navigation-setting>span{font-size:10px;color:#929daf}.lp-navigation-switch{display:flex;gap:3px;padding:3px;background:#eff2f8;border:1px solid #e5e9f1;border-radius:6px}.lp-navigation-switch button{border:0;border-radius:4px;padding:8px 10px;min-height:32px;background:transparent;font-size:10px!important;line-height:1.35;color:#7b89a0}.lp-navigation-switch button[aria-pressed=true]{background:#fff;color:#5366bf;box-shadow:0 1px 3px #2938520a}.lp-pull-control{display:flex;align-items:center;gap:12px;min-width:0}.lp-pull-control>span{font-size:10px;line-height:1.5;color:#8c97ab;overflow-wrap:anywhere}.lp-pull-button{display:inline-flex;align-items:center;gap:17px;flex-shrink:0;background:#f0f3ff;border:1px solid #dce3fa;border-radius:5px;padding:8px 12px;min-height:35px;color:#586cbf;font-size:11px!important;line-height:1.4}.lp-pull-button:hover:not(:disabled){background:#e9eeff;border-color:#c1cdee}.lp-pull-button>span{font-size:17px;line-height:1}.lp-room-student-mode{font-size:11px;color:#8490a7;padding:12px 15px;background:#f9fbff}.lp-lesson-map{margin-bottom:17px}.lp-map-scroll{max-height:330px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#dfe5f1 transparent;margin:0 -8px;padding:0 3px}.lp-map-section{padding:12px 7px 5px;font-size:8px;text-transform:uppercase;letter-spacing:.08em;color:#a0aabb}.lp-map-section:first-child{padding-top:4px}.lp-map-slide{display:flex;align-items:flex-start;gap:8px;width:100%;padding:9px 7px;border:1px solid transparent;border-radius:5px;background:transparent;color:#808da3;text-align:left;font-size:10px!important;line-height:1.5;min-height:35px}.lp-map-slide:hover:not(:disabled){background:#f3f6fc;color:#5c70a0}.lp-map-number{flex-shrink:0;font-size:9px;color:#a8b2c3;min-width:17px;line-height:1.7}.lp-map-copy{min-width:0;overflow-wrap:anywhere}.lp-map-copy>span{display:block}.lp-map-copy>small{display:block;font-size:9px;line-height:1.5;margin-top:4px;color:#6479c3}.lp-map-current{background:#f2f5ff;border-color:#e1e7fc;color:#596fab}.lp-map-observed .lp-map-copy>small{font-weight:600;color:#566dd2}.lp-map-observed .lp-map-number{color:#697fd2}.lp-map-caption{font-size:9px;line-height:1.6;color:#a3adbe;margin:13px 0 0;border-top:1px solid #edf0f6;padding-top:11px}.lp-picker-readonly{padding:7px 10px 9px;margin:0 0 4px;border-bottom:1px solid #edf0f5;font-size:10px;line-height:1.5;color:#9ca7b8}.lp-picker-popover[aria-readonly=true] .lp-picker-option{cursor:default}.lp-picker-trigger[data-picker-readonly=true]{cursor:pointer}
@media(max-width:1100px){.lp-room-controls{gap:12px;padding:12px}.lp-navigation-setting{gap:8px}.lp-navigation-setting>span{display:none}.lp-navigation-switch button{font-size:9px!important;padding:8px}.lp-pull-control{gap:9px}.lp-pull-control>span{font-size:9px;max-width:155px}}
@media(max-width:800px){.lp-lesson-map{margin-bottom:16px}.lp-map-scroll{max-height:225px}.lp-map-slide{font-size:11px!important}.lp-map-copy>small{font-size:10px}.lp-room-controls{margin-bottom:17px}.lp-pull-control>span{max-width:190px}}
@media(max-width:560px){.lp-room-controls{flex-wrap:wrap;padding:11px;gap:11px}.lp-navigation-setting{width:100%}.lp-navigation-switch{width:100%}.lp-navigation-switch button{flex:1;font-size:10px!important;padding:8px 9px}.lp-pull-control{width:100%;justify-content:space-between;padding-inline:3px}.lp-pull-control>span{max-width:none;font-size:10px}.lp-pull-button{font-size:10px!important;min-height:35px;padding:7px 12px}.lp-room-student-mode{font-size:10px;line-height:1.6}.lp-map-scroll{max-height:220px}.lp-map-slide{padding:9px;font-size:11px!important}.lp-map-caption{font-size:9px}.lp-picker-readonly{font-size:10px}}
.lp-player [data-locked=true]:disabled{opacity:1;-webkit-text-fill-color:currentColor}.lp-player .lp-picker-trigger[data-locked=true]:disabled .lp-picker-chevron{visibility:hidden}
/* First-attempt lesson results replace the compact progress card at the end. */
.lp-sidebar>div:has(>.lp-final-result){display:flex;flex-direction:column;gap:17px}.lp-sidebar>div:has(>.lp-final-result)>.lp-side-card{margin-bottom:0}.lp-final-result{background:#f7f9ff;border-color:#dce3f5}.lp-result-learner{font-size:12px;color:#6e7c96;margin:0 0 16px;overflow-wrap:anywhere}.lp-result-headline{display:flex;align-items:center;gap:15px;margin:20px 0 23px}.lp-result-emoji{font-size:43px;line-height:1;flex-shrink:0}.lp-result-headline>div{min-width:0}.lp-result-headline strong{display:block;font-size:36px;font-weight:600;line-height:1.1;letter-spacing:-.04em;color:#5366df}.lp-result-headline div>span{display:block;margin-top:7px;font-size:10px;color:#7c88a1;line-height:1.5}.lp-result-details{margin:0;display:flex;flex-direction:column;gap:13px;padding-top:17px;border-top:1px solid #e1e6f2}.lp-result-details>div{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:12px}.lp-result-details dt{color:#77849b}.lp-result-details dd{margin:0;text-align:right;color:#536381}.lp-result-details strong{font-weight:550}.lp-result-details small{display:block;font-size:10px;color:#909aaf;margin-top:3px}.lp-result-note{margin:15px 0 0;font-size:10px;color:#8791a7;line-height:1.6}
@media(max-width:520px){.lp-result-headline{margin:16px 0 20px}.lp-result-emoji{font-size:40px}.lp-result-headline strong{font-size:34px}.lp-result-details>div{font-size:12px}}

.lp-survey-note{font-size:12px;line-height:1.7;color:#8792a5;margin:0}.lp-slide-text strong,.lp-item-prompt strong,.lp-gap-text strong{font-weight:650;color:inherit}.lp-match-choice.lp-field-wrong .lp-match-link{background:#f4d7db;color:#a64d5d}.lp-match-choice.lp-field-correct .lp-match-link{background:#d7ecdf;color:#32704b}

.lp-item-text{min-width:0}

.lp-translation-hint{font-size:11px;line-height:1.6;color:#8995a9;margin:0 0 15px}

.lp-confirm-dialog{width:min(440px,calc(100vw - 32px));border:1px solid #e2e6ef;border-radius:12px;padding:28px;background:#fff;color:#3d4960;box-shadow:0 24px 90px #17203b33}.lp-confirm-dialog::backdrop{background:#25304755;backdrop-filter:blur(3px)}.lp-confirm-dialog h2{font-family:inherit;font-size:24px;line-height:1.3;letter-spacing:-.025em;margin:0 0 14px}.lp-confirm-dialog p{font-size:13px;line-height:1.7;color:#79869c;margin:0 0 24px}.lp-confirm-actions{display:flex;justify-content:flex-end;gap:12px}.lp-confirm-actions .lp-button{min-height:42px;font-size:12px!important;padding:10px 18px}.lp-confirm-actions .lp-button:not(.lp-button-primary){background:#f3f5fa;color:#6e7b94}@media(max-width:400px){.lp-confirm-dialog{padding:23px}.lp-confirm-actions .lp-button{flex:1}}

.lp-player .lesson-markdown{white-space:normal}.lp-player .lesson-markdown>p{margin:0 0 1em}.lp-player .lesson-markdown>p:last-child{margin-bottom:0}.lp-player .lesson-markdown h2{font-size:1.35em;letter-spacing:0;line-height:1.35}.lp-player .lp-teacher-notes>.lesson-markdown{font-size:12px;line-height:1.8;color:#677387}.lp-player .lp-illustrations{display:flex;flex-wrap:wrap;justify-content:center;gap:20px;margin:0 0 28px}.lp-illustrations figure{margin:0;flex:1 1 220px;max-width:420px;min-width:0}.lp-illustrations img{display:block;width:100%;height:230px;object-fit:contain;background:#f5f7f9;border:1px solid #e7e9ef;border-radius:9px}.lp-illustrations figcaption{margin-top:7px;font-size:11px;line-height:1.5;color:#7c8493}.lp-gap-text.lesson-markdown ol,.lp-gap-text.lesson-markdown ul{padding-left:1.6em}.lp-gap-text.lesson-markdown li{margin:.5em 0}@media(max-width:560px){.lp-player .lp-illustrations{gap:13px;margin-bottom:22px}.lp-illustrations figure{flex-basis:140px}.lp-illustrations img{height:180px}.lp-illustrations figcaption{font-size:10px}}
.lp-worksheet-block{padding:30px 0;border-top:1px solid var(--lp-line)}.lp-worksheet-block:first-child{border-top:0;padding-top:0}.lp-worksheet-block:last-child{padding-bottom:0}.lp-worksheet-block>h3{font-size:21px;font-weight:600;line-height:1.4;margin:0 0 18px;color:var(--lp-ink)}.lp-block-check{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-top:22px}.lp-block-check>span{font-size:12px;color:#49745c}.lp-block-check .lp-button{font-size:12px!important;padding:11px 16px}.lp-worksheet-block .lp-exercise-items{margin-bottom:0}.lp-canvas{scroll-margin-top:16px;overflow-anchor:none}@media(max-width:560px){.lp-worksheet-block{padding:25px 0}.lp-worksheet-block>h3{font-size:18px}.lp-block-check{gap:10px}.lp-worksheet-block .lp-slide-text{font-size:16px}}
.lp-worksheet-contents{border:1px solid var(--lp-line);border-radius:7px;padding:11px 14px;margin:0 0 26px;background:#f8f9fc;font-size:12px}.lp-worksheet-contents>summary{cursor:pointer;color:#536178;font-weight:500;min-height:24px;line-height:24px}.lp-worksheet-contents>summary>span{font-size:10px;font-weight:400;color:var(--lp-muted);margin-left:8px}.lp-worksheet-contents nav{display:flex;flex-wrap:wrap;gap:7px;padding-top:12px}.lp-worksheet-contents nav button{color:#5366df;background:white;border:1px solid #e0e5f1;border-radius:5px;padding:8px 10px;font-size:11px!important;text-align:left;line-height:1.4}.lp-worksheet-contents nav button:hover{background:#eef1fe}.lp-block-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin:0 0 18px}.lp-block-heading h3{font-size:21px;font-weight:600;line-height:1.4;margin:0;color:var(--lp-ink)}.lp-block-jump{flex-shrink:0;background:#eef1fc;color:#5366df;font-size:11px!important;line-height:1.4;min-height:33px;padding:7px 10px;border-radius:5px}.lp-block-jump:hover{background:#e3e8fe}.lp-block-jump>span{padding-left:3px}.lp-worksheet-block{scroll-margin-top:16px}@media(max-width:560px){.lp-block-heading{flex-wrap:wrap;gap:10px}.lp-block-heading h3{font-size:18px;flex:1 1 190px}.lp-block-jump{font-size:10px!important;min-height:32px}.lp-worksheet-contents nav{display:grid;grid-template-columns:1fr}.lp-worksheet-contents nav button{font-size:11px!important}.lp-worksheet-contents{margin-bottom:21px}}

/* Pair feedback stays local, so other pairs remain usable during a check. */
.lp-player .lp-match-choice:disabled.lp-match-pending{opacity:1;background:#f2f4fa;border-color:#abb7d0;color:#67738d}
.lp-match-pending .lp-match-link{background:#e2e7f2}
.lp-match-shake{animation:lp-match-shake .42s ease-in-out}
@keyframes lp-match-shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-5px)}40%,80%{transform:translateX(5px)}}
@media(prefers-reduced-motion:reduce){.lp-match-shake{animation:none}}
.lp-match-status .lp-retry-check{margin-left:8px}
.lesson-source-notice.lesson-source-imported{background:#f3f8f5;border-color:#dce8df;color:#587563}.lesson-source-notice.lesson-source-imported strong,.lesson-source-notice.lesson-source-imported>a{color:#587563}
.lesson-source-notice{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:15px 17px;margin:0 0 20px;border:1px solid #e7d9bd;border-radius:8px;background:#fffaf0;color:#776041;font-size:12px;line-height:1.6}.lesson-source-notice>div{min-width:0}.lesson-source-notice strong{display:block;font-size:12px;font-weight:600;color:#776041}.lesson-source-notice span{display:block;margin-top:3px;font-size:11px;color:#8a7354}.lesson-source-notice p{font-size:12px;line-height:1.6;margin:7px 0 0;color:#88745a}.lesson-source-notice>a{flex-shrink:0;font-size:11px;color:#776041;text-decoration:underline;text-underline-offset:3px}.lesson-source-compact{padding:10px 12px;gap:8px;margin:10px 0;flex-wrap:wrap}.lesson-source-compact strong{font-size:11px}.lesson-source-compact span{font-size:10px}.lesson-source-compact>a{font-size:10px}@media(max-width:560px){.lesson-source-notice{flex-wrap:wrap;gap:8px;padding:12px 14px}.lesson-source-notice p{font-size:11px}.lesson-source-notice>a{min-height:28px;display:inline-flex;align-items:center}}
.lp-board-canvas .lp-slide-main{padding:25px 20px 18px}.lp-board-canvas .lp-slide-main>h2{font-size:25px;margin-bottom:18px}.lp-board-canvas .lp-slide-body>.lp-slide-text{margin-bottom:18px;font-size:16px}.lp-board-status{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:30px;margin-top:12px;font-size:11px;color:#7c8493;line-height:1.5}.lp-board-status[data-state=error]{color:#a4404f}.lp-board-canvas .lp-answer-area:empty{display:none}@media(max-width:560px){.lp-board-canvas .lp-slide-main{padding:18px 10px 13px}.lp-board-canvas .lp-slide-main>h2{font-size:22px}.lp-board-status{font-size:10px;align-items:flex-start}}
.lp-task-instruction{padding:12px 15px;margin:0 0 20px;border-left:3px solid #acb9eb;border-radius:0 6px 6px 0;background:#f4f6fd;color:#4d5a76;font-size:14px;line-height:1.6}
.lp-instruction-label{display:block;margin-bottom:4px;font-size:10px;font-weight:650;color:#65769c;letter-spacing:.04em;text-transform:uppercase}
.lp-task-instruction .lesson-markdown>:first-child{margin-top:0}.lp-task-instruction .lesson-markdown>:last-child{margin-bottom:0}

/* Confirm typed answers where they are entered; the same control works by touch. */
.lp-field-check{display:inline-grid;place-items:center;flex:0 0 36px;width:36px;min-height:36px;align-self:center;padding:0;border:1px solid #dce2f4;border-radius:6px;background:#f1f4ff;color:#5366df;font-size:19px!important;line-height:1;touch-action:manipulation}
.lp-field-check[data-suppressed=true]{visibility:hidden;pointer-events:none}
.lp-field-check:hover:not(:disabled){border-color:#a5b2e9;background:#e9eeff}
.lp-field-check[aria-busy=true]{color:#8b96ad;background:#f5f7fb}
.lp-field-check-hint{font-size:12px;color:var(--lp-muted);line-height:1.7;margin:0 0 18px}
.lp-long-answer-wrap{position:relative;display:flex;align-items:flex-end;gap:8px}
.lp-long-answer-wrap .lp-long-answer{min-width:0;flex:1}
.lp-long-answer-wrap .lp-field-check{align-self:flex-end;margin-bottom:2px}
.lp-block-progress{font-size:11px;line-height:1.5;color:#49745c;margin:15px 0 0}
.lp-block-progress:empty{display:none}
@media(max-width:560px){.lp-field-check{flex-basis:42px;width:42px;min-height:44px}.lp-field-check-hint{font-size:11px}.lp-inline-answer:has(.lp-field-check) .lp-gap-input{max-width:calc(100% - 50px)}.lp-long-answer-wrap .lp-long-answer{font-size:16px}}

/* One lesson navigator: sidebar on desktop, the same map in a mobile dialog. */
.lp-navigator-toggle,.lp-navigator-close{display:none}
.lp-navigator-dialog:not([open]){display:none}
.lp-lesson-map{margin-bottom:17px}
.lp-map-scroll{max-height:min(55vh,470px)}
.lp-map-section{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;border:0;background:transparent;text-align:left;padding:15px 8px 7px;font-size:11px!important;font-weight:600;text-transform:none;letter-spacing:0;color:#67758c;line-height:1.5;min-height:36px}
.lp-map-section:first-child{padding-top:7px}
.lp-map-section small{font-size:10px;font-weight:400;white-space:nowrap;color:#919db0}
.lp-map-section:hover:not(:disabled),.lp-map-section[aria-current=step]{color:#5366df}
.lp-map-slide{font-size:12px!important;padding:10px 8px;min-height:42px;align-items:center;gap:10px}
.lp-map-copy{flex:1}
.lp-map-number{font-size:10px;min-width:19px}
.lp-map-check{color:#478464;font-size:12px}
.lp-map-current{background:#eef1ff;border-color:#dbe2fb;color:#5366bf}
.lp-player .lp-map-slide:disabled{opacity:.7}
.lp-player .lp-map-current:disabled{opacity:1}
@media(min-width:801px){.lp-sidebar{position:sticky;top:18px;max-height:calc(100dvh - 36px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:#dfe5f1 transparent}.lp-sidebar:has(>[data-slot=sidebar]:empty){overflow:visible}}
@media(max-width:800px){
  .lp-sidebar{position:static;max-height:none;overflow:visible}
  .lp-sidebar>.lp-lesson-map{display:none}
  .lp-sidebar:has(>[data-slot=sidebar]:empty){display:none}
  .lp-navigator-toggle{display:flex;align-items:center;gap:12px;width:100%;min-height:44px;padding:11px 14px;margin:0 0 16px;border:1px solid #e1e6f0;border-radius:7px;background:#fff;color:#596a89;font-size:12px!important;text-align:left;touch-action:manipulation}
  .lp-navigator-toggle>span:first-child{flex:1}
  .lp-navigator-toggle small{font-size:10px;color:#929db1}
  .lp-navigator-toggle>span:last-child{font-size:17px;line-height:1}
  .lp-navigator-dialog{position:fixed;inset:12px 12px auto auto;margin:0;width:min(390px,calc(100vw - 24px));max-width:none;max-height:calc(100dvh - 24px);padding:0;border:1px solid #dfe5ef;border-radius:12px;background:#fff;color:var(--lp-ink);box-shadow:0 16px 70px #26315033;overflow:hidden}
  .lp-navigator-dialog::backdrop{background:#25304766;backdrop-filter:blur(2px)}
  .lp-navigator-dialog .lp-lesson-map{display:block;margin:0;padding:18px 16px 15px;border:0;border-radius:0;background:#fff}
  .lp-navigator-dialog .lp-side-heading{margin-bottom:12px;gap:12px}
  .lp-navigator-dialog .lp-side-heading h3{flex:1;font-size:15px}
  .lp-navigator-dialog .lp-side-heading .lp-count{font-size:10px}
  .lp-navigator-close{display:inline-grid;place-items:center;width:40px;min-height:40px;padding:0;border:1px solid #e4e8f0;border-radius:7px;background:#f7f8fb;color:#6d7890;font-size:24px!important;line-height:1;touch-action:manipulation}
  .lp-navigator-dialog .lp-map-scroll{max-height:calc(100dvh - 135px);margin-inline:-5px;padding-inline:5px;overflow-y:auto}
  .lp-navigator-dialog .lp-map-slide{min-height:46px;font-size:13px!important}
  .lp-navigator-dialog .lp-map-section{min-height:44px;font-size:12px!important}
  .lp-navigator-dialog .lp-map-caption{font-size:11px;margin-top:10px;padding-top:10px}
}
.lp-player .native-term{display:inline;border:0;border-bottom:1px dotted #6473c5;border-radius:2px;padding:0;background:#eef0ff80;color:inherit;font:inherit;line-height:inherit;letter-spacing:inherit;text-align:inherit;white-space:normal;overflow-wrap:anywhere;text-decoration:none}
.lp-player .native-term:hover,.lp-player .native-term[aria-expanded=true]{background:#e4e8ff;color:#4050b4}
.lp-player .lp-match-choice{font-size:15px!important;line-height:1.5}
.native-vocabulary-list{margin:18px 0 4px;padding:12px 14px;border:1px solid #e3e7f1;border-radius:7px;color:#606d83;font-size:13px}.native-vocabulary-list summary{cursor:pointer;min-height:24px}.native-vocabulary-list>div{display:flex;flex-wrap:wrap;gap:10px 16px;padding-top:12px}.lp-player .native-vocabulary-list .native-term{padding:3px 5px}
.native-definition{position:fixed;z-index:260;width:340px;padding:17px 19px;background:#fff;border:1px solid #d9dff0;border-radius:12px;box-shadow:0 12px 40px #202d522b;color:#30384a;font:15px/1.55 system-ui,sans-serif;overflow:auto;overflow-wrap:anywhere}
.native-definition header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.native-definition strong{font-size:17px}.native-definition p{margin:10px 0 0;white-space:pre-wrap}.native-definition button{flex-shrink:0;border:0;background:transparent;color:#657088;font-size:24px;line-height:1;min-width:28px;min-height:28px;padding:0}.lp-video.lp-video-file{aspect-ratio:auto}.lp-video-file video{height:auto;max-height:min(70vh,640px);object-fit:contain}
/* Lesson background belongs to the material, independently of its library cover. */
.lp-player .lp-canvas{background:var(--lesson-background,#fff)}
.lp-edit-content{font:inherit;font-size:12px!important;padding:7px 10px;border:1px solid #dce1ef;border-radius:6px;background:#fff;color:#5366bf;white-space:nowrap}
.lp-block-heading{flex-wrap:wrap;gap:10px}.lp-block-heading .lp-edit-content{margin-left:auto}
.lp-slide-tools{flex-wrap:wrap}
.lesson-text-editor{width:min(720px,calc(100vw - 24px));max-height:calc(100dvh - 24px);padding:24px;border:1px solid #dce1ef;border-radius:14px;color:#202531;background:#fff;overflow:auto;box-shadow:0 20px 80px #20253133}
.lesson-text-editor::backdrop{background:#20253166}
.lesson-text-editor form{display:grid;gap:16px}.lesson-text-editor h2{margin:0;font-size:23px}.lesson-text-editor .field{margin:0}.lesson-text-editor textarea{width:100%;min-height:90px;resize:vertical;line-height:1.5}.lesson-text-editor fieldset{min-width:0;border:1px solid #e4e8f0;border-radius:8px;display:grid;gap:12px;padding:14px}
.lesson-edit-format,.lesson-edit-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.lesson-edit-format small{color:#778193}.lesson-edit-format button,.lesson-edit-actions button{border:1px solid #dce1ef;border-radius:7px;background:#f8f9fc;color:#33405b;padding:8px 14px;min-height:40px;font:inherit;cursor:pointer}
.lesson-edit-actions{justify-content:flex-end;position:sticky;bottom:-24px;background:#fff;padding:12px 0}.lesson-edit-actions button[type=submit]{color:#fff;background:#5366df;border-color:#5366df}.lesson-edit-error{padding:12px;background:#fff1ed;color:#973a29;border-radius:8px}.lesson-text-editor [hidden]{display:none!important}
@media(max-width:480px){.lesson-text-editor{padding:16px}.lesson-edit-actions{bottom:-16px}.lp-slide-tools{max-width:100%}}