.exp-page{max-width:1380px}.exp-panel{background:#fff;border:1px solid #dfe7dc;border-radius:13px;padding:26px;min-width:0}.exp-panel h2,.teachback h2{font-size:23px;font-weight:600;letter-spacing:-.6px;line-height:1.4;margin:0 0 14px}.exp-panel h3{font-size:14px;margin:24px 0 10px}.exp-panel p,.teachback>p{font-size:13px;line-height:1.85;color:#73816c;white-space:pre-line}.exp-muted{font-size:11px!important;color:#8c9787!important;line-height:1.8!important}.exp-callout{display:flex;align-items:flex-start;gap:12px;padding:18px 20px;background:#edf4e6;border:1px solid #dce8d1;border-radius:10px;margin:20px 0;color:#58704b}.exp-callout>svg{flex-shrink:0;margin-top:3px}.exp-callout p{margin:0;font-size:12px;line-height:1.85}.exp-callout strong{font-size:13px}.exp-callout ol{padding-left:19px;font-size:12px;line-height:2}.exp-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;margin-top:22px}.exp-panel select{width:100%;border:1px solid #dce5d6;border-radius:8px;padding:12px;background:#fbfcf9;font-size:12px;color:#58704b;margin-bottom:18px}.exp-panel textarea{min-height:150px;margin:9px 0 16px}.exp-panel .field-label{display:block;font-size:11px}.xray-map{display:flex;align-items:center;gap:10px;margin:26px 0}.xray-node{flex:1;min-width:0;text-align:left;padding:19px 15px;border:1px solid #dce5d6;border-radius:11px;background:#fff;color:#68805a;align-self:stretch}.xray-node>span{display:block;font-size:10px;color:#96a785;margin-bottom:22px}.xray-node strong{display:block;font-size:14px;line-height:1.5}.xray-node small{display:block;font-size:10px;line-height:1.6;margin-top:7px;color:#91a080}.xray-node.selected{border-color:#73935f;background:#eff5e8;box-shadow:0 4px 15px #4a6d3510}.xray-arrow{color:#9aaf88}.xray-explainer{background:#f6f9f2}.xray-explainer h2{font-size:18px}.xray-explainer p{margin:0 0 10px}.xray-explainer summary{cursor:pointer;color:#71895d;font-size:12px;line-height:1.8}.xray-explainer details p{margin-top:12px}.exp-read{margin-top:16px;white-space:normal}.exp-read-result{margin-top:16px;font-size:12px;line-height:1.7;color:#5f7950}.exp-read-result pre{background:#f3f6ee;padding:12px;border-radius:7px;white-space:pre-wrap;overflow-wrap:anywhere;font:inherit}.exp-empty{padding:25px 0;font-size:12px;line-height:1.8;color:#9aa591}.exp-trace-title{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.exp-trace-title small{font-size:9px;color:#99a58c;overflow-wrap:anywhere}.exp-trace{list-style:none;padding:0;margin:20px 0}.exp-trace li{display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px solid #edf1e8;opacity:.3;transition:opacity .25s}.exp-trace li.visible-step{opacity:1}.exp-trace li>span{display:grid;place-items:center;background:#edf4e5;color:#7f9966;width:23px;height:23px;flex-shrink:0;border-radius:50%;font-size:10px}.exp-trace li strong{font-size:12px}.exp-trace li p{font-size:11px;line-height:1.7;margin:5px 0 0}.exp-trace li>small{margin-left:auto;font-size:9px;white-space:nowrap;color:#8b9b7b}.exp-footer{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;margin:25px 0}.exp-form-actions{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin:23px 0}.exp-form-actions>span,#quest-status{font-size:11px;line-height:1.7;color:#7f906f}.teachback>h2{margin-top:12px}.teachback .textarea{min-height:200px;font-size:14px;line-height:1.9}.teach-feedback{margin-top:28px}.teach-feedback h2{margin-top:18px}.exp-checklist{list-style:none;padding:0;margin:20px 0}.exp-checklist li{display:flex;gap:10px;font-size:12px;line-height:1.8;margin:12px 0;color:#738766}.exp-checklist li>span{color:#729756;flex-shrink:0}.exp-checklist li p{font-size:11px;margin:5px 0}.voice-controls{border:1px solid #dfe8d5;border-radius:10px;padding:18px;background:#f8faf4;margin-top:15px}.voice-title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#687f56}.voice-controls>p{font-size:11px;line-height:1.8;color:#8a987e;margin:10px 0}.voice-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.voice-actions .btn{font-size:10px;padding:9px 12px}.voice-file-label{position:relative;cursor:pointer}#voice-status{font-size:11px;line-height:1.8;color:#6d8559;white-space:pre-line}#voice-preview audio{width:100%;margin:12px 0}.quest-overview{display:flex;align-items:center;gap:16px;padding:20px;border:1px solid #dce6d2;background:#f2f6eb;border-radius:12px;margin-bottom:25px}.quest-overview>strong{font-size:23px;color:#5f7d49;white-space:nowrap}.quest-overview>span{font-size:11px;line-height:1.7;color:#879776}.quest-overview .btn{margin-left:auto}.quest-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:24px}.quest-stages{display:grid;gap:8px;align-content:start}.quest-stages button{display:flex;gap:12px;padding:16px;text-align:left;border:1px solid #e0e7db;border-radius:9px;background:white;color:#809172}.quest-stages button>span{font-size:11px;padding-top:2px;flex-shrink:0}.quest-stages strong{font-size:12px;line-height:1.6;display:block;font-weight:550}.quest-stages small{display:block;font-size:10px;margin-top:7px;color:#9caa90}.quest-stages button.active{border-color:#98af83;background:#edf4e5;color:#567242}.quest-layout .exp-panel>h2{margin-top:16px}.quest-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.quest-next{margin-top:25px}.help-quote{font-size:12px;line-height:1.85;color:#78876b;background:#f3f7ec;border-left:3px solid #a4b78c;margin:20px 0;padding:15px;max-height:150px;overflow:auto;white-space:pre-line}.help-explanation{margin-top:22px}.help-explanation h3{font-size:14px;margin-top:23px}.help-explanation p{font-size:13px;line-height:1.9;color:#6a7e5a;white-space:pre-line}.help-links{display:grid;gap:12px;margin:15px 0 24px}.section-help{display:flex;justify-content:flex-end;margin:15px 0 25px}.section-help button{font-size:11px;padding:8px 12px;color:#768c62;border:1px solid #dfe8d5;border-radius:7px;background:#f5f9ef}.section-help button:hover{border-color:#91a875;background:#edf4e5}.lesson-tools{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.lesson-tools a{font-size:10px;border:1px solid #e0e7da;padding:8px 11px;border-radius:7px;color:#758a63;background:#fff}.mechanics-banner{display:flex;align-items:center;gap:18px;background:#1f4435;color:#e5f0d8;padding:23px 25px;border-radius:12px;margin-bottom:24px}.mechanics-banner>div{flex:1}.mechanics-banner h2{font-size:19px;margin:0 0 8px;font-weight:550}.mechanics-banner p{font-size:11px;line-height:1.8;margin:0;color:#a8bea1}.mechanics-banner .btn{background:#dcebad;color:#2b4b2d;border:0}.lesson-tabs{overflow-x:auto}.lesson-tabs button{white-space:nowrap}
@media(max-width:1100px){.xray-map{gap:6px}.xray-node{padding:14px 10px}.xray-node strong{font-size:12px}.quest-layout{grid-template-columns:230px minmax(0,1fr)}.exp-columns{grid-template-columns:1fr}.exp-panel{padding:22px}}
@media(max-width:700px){.xray-map{display:grid;grid-template-columns:1fr;gap:6px}.xray-arrow{display:none}.xray-node{display:grid;grid-template-columns:26px 1fr;gap:4px 10px;padding:12px 15px}.xray-node>span{margin:0;grid-row:1/3;padding-top:3px}.xray-node small{margin:0}.xray-node strong{font-size:13px}.quest-layout{grid-template-columns:1fr}.quest-stages{grid-template-columns:1fr 1fr}.quest-stages button{padding:12px;gap:8px}.quest-stages small{display:none}.quest-overview{flex-wrap:wrap}.quest-overview .btn{margin-left:0}.quest-overview>span{flex:1}.exp-panel{padding:19px}.exp-panel h2,.teachback h2{font-size:21px}.voice-actions .btn{white-space:normal}.exp-form-actions .btn{white-space:normal}.exp-panel .btn.primary{white-space:normal}.mechanics-banner{align-items:flex-start;flex-wrap:wrap;padding:20px}.mechanics-banner h2{font-size:17px}.mechanics-banner>div{min-width:200px}.exp-trace li{gap:8px}}

.ai-setting-hint{font-size:11px!important;line-height:1.8!important;color:#7f8b76!important;margin:10px 0 16px!important}.ai-model-options{margin:20px 0}.ai-model-options summary{font-size:12px;color:#617c50;cursor:pointer;margin-bottom:18px}.ai-setting-actions{display:flex;flex-wrap:wrap;gap:10px}.ai-setting-actions .btn{white-space:normal}.ai-setting-status{font-size:12px!important;line-height:1.8!important;overflow-wrap:anywhere;color:#516d41!important;margin:15px 0!important}.ai-model-options input{max-width:100%;min-width:0}