.exercise-alternatives-editor{margin-top:12px;border-top:1px solid var(--border,#343c3a);padding-top:10px;min-width:0}
.exercise-alternatives-editor>summary,.exercise-alternatives-choice>summary{cursor:pointer;font-size:13px;color:var(--muted,#acb8b3);padding:10px 0;min-height:44px;box-sizing:border-box}
.exercise-alternatives-editor .alternative-fields{padding:12px;margin:8px 0;background:rgba(0,0,0,.13);border:1px solid var(--border,#343c3a);border-radius:12px;min-width:0}
.alternative-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.alternative-heading button{background:#252d2b;color:#dce5e0;border:1px solid #3b4842;border-radius:10px;width:44px;min-height:44px;padding:0;font-size:22px}
.alternative-fields label{display:flex;flex-direction:column;gap:6px;min-width:0;margin:8px 0;font-size:12px}
.alternative-fields input,.alternative-fields select,.alternative-fields textarea{width:100%;min-width:0;max-width:100%;box-sizing:border-box;font-size:16px!important}
.alternative-fields textarea{resize:vertical}
.alternative-grid{display:flex;flex-wrap:wrap;gap:10px}.alternative-grid>label{flex:1 1 80px}
.alternative-fields [hidden]{display:none!important}
.exercise-alternatives-editor [data-add-alternative]{background:#252d2b;color:#dce5e0;border:1px solid #3b4842;border-radius:10px;padding:8px 12px;min-height:44px;font-size:13px;margin:6px 0}
.exercise-alternatives-choice{margin:2px 0 8px;min-width:0}
.exercise-alternatives-choice>summary{display:list-item;width:fit-content;padding-right:12px;color:#22d480}
.exercise-alternatives-choice>div{display:grid;gap:6px;margin-bottom:12px}
.exercise-alternatives-choice button{text-align:left;display:flex;flex-direction:column;gap:4px;white-space:normal;overflow-wrap:anywhere;min-height:44px;padding:10px 12px;border-radius:10px;background:#202826;border:1px solid #39443f}
.exercise-alternatives-choice button[aria-pressed=true]{border-color:#20cb79;background:#123526}
.exercise-alternatives-choice small{font-size:12px;font-weight:400;color:#b1beb8}
.exercise-substitution{font-size:12px!important;color:#a8b8af!important;margin:4px 0 8px!important;font-weight:400!important;overflow-wrap:anywhere}
#trainer-app .exercise-alternatives-preview{display:grid;gap:6px;margin:5px 0 8px;padding-left:10px;border-left:2px solid var(--line);min-width:0}
#trainer-app .alternative-preview-line{display:flex;align-items:baseline;flex-wrap:wrap;gap:3px 6px;font-size:13px;line-height:1.5;color:var(--muted);overflow-wrap:anywhere}
#trainer-app .alternative-preview-line strong{font-size:13px;font-weight:600;color:var(--text);min-width:0}
#trainer-app .alternative-preview-label{color:var(--green)}
#trainer-app .alternative-preview-video{display:inline-flex;align-items:center;min-height:32px;padding:0 4px;color:var(--green);font-size:12px;text-decoration:none}
#trainer-app .alternative-preview-note{margin:3px 0 0;font-size:12px;line-height:1.5;color:var(--muted);overflow-wrap:anywhere;white-space:pre-wrap}