.study-sync{font-size:13px;color:#526b61;overflow-wrap:anywhere}.study-lesson-tools,.study-photo-tools,.study-help-more,.study-choices{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:12px 0}.study-lesson-tools button,.study-photo-tools button,.study-resume button,.study-retry button,.study-help-more button,.study-choices button{min-height:44px;font:inherit;white-space:normal}.study-resume{padding:24px;border:2px solid #b7dc8a;background:#f3fbe9;border-radius:20px;margin:0 0 20px}.study-resume[hidden],.study-retry[hidden],.study-notice[hidden],.study-spoken[hidden]{display:none}.study-resume h3{margin:8px 0}.study-resume button{margin:5px 10px 0 0}.study-retry,.study-notice{padding:16px;background:#fff3d4;border:1px solid #e4cc83;border-radius:16px;margin:12px 0}.study-retry button,.study-notice button{margin:4px 8px 4px 0}.study-spoken{background:#e9edff;border-left:4px solid #7358cb;padding:12px 16px;line-height:1.6}.study-extra,.study-extra-help,.study-board-panel{border:1px solid var(--line);border-radius:14px;padding:14px;margin:14px 0}.study-extra summary,.study-extra-help summary,.study-board-panel summary{min-height:44px;display:list-item;align-content:center;cursor:pointer;font-weight:700}.study-extra>.toolbar{margin:10px 0}.study-label{display:block;font-weight:700;margin:18px 0 8px}.study-confirm{display:flex;gap:12px;align-items:center;padding:12px 0;min-height:44px;cursor:pointer}.study-confirm input{width:24px;height:24px;flex:0 0 24px}.study-file-input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}.study-photo-tools+.study-sync:empty{display:none}#hwAttempt{width:100%;min-height:100px;font:inherit;line-height:1.5;box-sizing:border-box}.study-board-panel select{margin:12px 0;font:inherit;min-height:44px;max-width:100%;padding:8px}.study-board{padding:4px 0}.study-board p{line-height:1.6}.study-fraction-row>span{display:block;margin:10px 0 6px}.study-strip{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));width:100%;max-width:480px;gap:3px}.study-strip>*{height:48px;min-width:0;border:2px solid #b1b8c4;background:#f4f5f8;border-radius:5px}.study-strip .filled{background:#b4df85;border-color:#527641}.study-strip button{color:#293f36;font:inherit;cursor:pointer}.study-strip button:focus-visible{outline:3px solid #6b44df;outline-offset:2px}.study-board>.btn{margin-top:16px}.study-board-message{line-height:1.6;color:#254d3a}.study-circuit{max-width:440px;margin:16px auto;color:#354840}.study-circuit svg{display:block;width:100%;height:auto}.study-dialog{border:1px solid #cdd8ce;border-radius:20px;padding:24px;max-width:620px;width:calc(100% - 32px);max-height:90dvh;overflow-y:auto;box-sizing:border-box;font:inherit;color:#263f35}.study-dialog::backdrop{background:#15332c99}.study-dialog label{display:block;margin:14px 0}.study-dialog input[type=text]{display:block;width:100%;font:inherit;min-height:44px;box-sizing:border-box;margin-top:8px}.study-dialog button{min-height:44px;margin:8px 8px 0 0}.study-crop-preview{position:relative;width:fit-content;max-width:100%;margin:auto}.study-crop-preview img{display:block;max-width:100%;max-height:43dvh;width:auto;height:auto}.study-crop-selection{position:absolute;inset:0;border:3px solid #7841df;box-sizing:border-box;background:#7841df22;pointer-events:none}.study-dialog input[type=range]{width:100%;min-height:44px}.study-focus #lessonHint,.study-focus #lesson .lesson-road{display:none}.study-focus #lesson:not([data-mode=daily]):not([data-mode=review])>#dailyBox,.study-focus #lesson:not([data-mode=daily]):not([data-mode=review])>#tomorrowBox,.study-focus #lesson:not([data-mode=daily]):not([data-mode=review])>#suggestBox{display:none}.study-focus #lesson .chat{min-height:220px}.help-prompts{flex-wrap:wrap!important}.help-prompts button{font-size:14px!important;min-height:44px;white-space:normal!important;padding:10px 14px!important;flex:0 1 auto!important}.study-lesson-tools .study-sync{flex-basis:100%}
@media(max-width:600px){.study-resume{padding:18px}.study-lesson-tools{gap:8px}.study-lesson-tools button{flex:1 1 calc(50% - 8px);padding:10px;font-size:14px}.help-prompts>span{flex-basis:100%}.help-prompts button{flex:1 1 calc(50% - 8px)!important;font-size:14px!important;min-width:0!important}.study-dialog{padding:18px}#hwNote,#hwAttempt,#input,.study-dialog input{font-size:16px!important}.study-extra{padding:10px}.study-spoken{font-size:16px}.study-strip>*{height:48px}.study-resume h3{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){.study-resume *,.study-board *{animation:none!important;transition:none!important}}

.study-lesson-tools button[hidden],.study-photo-tools [hidden],.study-file-input[hidden]{display:none!important}
.study-extra input[type=text]{font:inherit;font-size:16px;width:100%;min-height:44px;box-sizing:border-box;padding:8px;border:1px solid #bcc9c1;border-radius:8px}
.study-lesson-tools button:not(:disabled){color:#354d43;background:#eef4eb;border:1px solid #cad8c6}.study-lesson-tools button:disabled{opacity:.55}

.study-voice-controls{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}.study-voice-controls .chip{min-height:44px;white-space:normal;font-size:15px}