.enlarge-diagram{display:block;margin:15px auto;min-height:46px}.note-status{display:block;margin-top:9px}.diagram-dialog{width:calc(100% - 24px);max-width:1050px;max-height:92dvh;padding:20px;overflow:hidden;background:#f7f8f0}.diagram-dialog-head{display:flex;align-items:center;gap:15px;justify-content:space-between}.diagram-dialog-head h2{font-size:19px;margin:0;line-height:1.5}.diagram-dialog-head button{flex:none;min-height:44px}.diagram-tools{display:flex;justify-content:center;align-items:center;gap:18px;margin:15px 0 5px}.diagram-tools button{font-size:22px;min-width:48px;min-height:48px;padding:3px 12px}.diagram-tools output{font-size:16px;min-width:55px;text-align:center}.diagram-help{font-size:13px;color:#5a705e;margin:5px 0 12px;text-align:center}.diagram-scroll{overflow:auto;max-height:60dvh;border:1px solid #d8e1ce;border-radius:10px;background:#f0f4e7;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.diagram-scroll .concept-svg{max-height:none;max-width:none;height:auto;overflow:hidden;margin:15px auto;flex:none}.diagram-scroll[data-zoom="50"] .concept-svg{width:280px}.diagram-scroll[data-zoom="75"] .concept-svg{width:420px}.diagram-scroll[data-zoom="100"] .concept-svg{width:560px}.diagram-scroll[data-zoom="125"] .concept-svg{width:700px}.diagram-scroll[data-zoom="150"] .concept-svg{width:840px}.diagram-scroll[data-zoom="175"] .concept-svg{width:980px}.diagram-scroll[data-zoom="200"] .concept-svg{width:1120px}body:has(.diagram-dialog[open]){overflow:hidden}@media(max-width:640px){.article p,.article li{font-size:16px;line-height:1.9}.article .formula{font-size:15px;overflow-wrap:anywhere}input.search,textarea#import,textarea#note,input.file{font-size:16px}.article textarea{font-size:16px;min-height:150px}.quiz-option{font-size:16px;min-height:54px;padding:14px 15px}.actions{gap:12px}.actions>*{flex:1 1 100%;min-height:48px}.answer>summary,details>summary{min-height:44px;padding:10px 0}.lesson-pagination{flex-direction:column;gap:12px}.lesson-pagination>a{max-width:none;min-height:44px;border:1px solid #d3ddcb;border-radius:9px;padding:12px 15px;font-size:14px}.enlarge-diagram{width:100%;font-size:15px}.diagram-dialog{padding:15px;width:calc(100% - 16px)}.diagram-dialog-head h2{font-size:16px}.diagram-scroll{max-height:55dvh}.session-plan{font-size:12px}.lesson-terms small{font-size:12px}.term-mini p{font-size:14px}.term-mini>a{display:inline-flex;align-items:center;min-height:44px}.explorer p{font-size:14px!important}.header-meta{flex-wrap:wrap;justify-content:flex-end;max-width:145px}.header-meta #connection{max-width:110px;text-align:right}.settings-block button{min-height:48px}}