.etb-header{margin:0 auto 48px;max-width:720px;text-align:center}.etb-heading{margin:0 0 16px}.etb-subheading p{font-size:1.125rem;line-height:1.6;margin-bottom:0}.etb-card{border:2px dashed;border-radius:16px;box-shadow:0 1px 3px rgba(0,0,0,.05);margin:0 auto;max-width:760px;overflow:hidden}.etb-toolbar{align-items:center;background-color:rgba(0,0,0,.02);border-bottom:1px solid rgba(0,0,0,.08);display:flex;gap:16px;justify-content:space-between;padding:16px 24px}.etb-subject{align-items:baseline;display:flex;flex:1;gap:8px;min-width:0}.etb-subject__label{color:#888;flex-shrink:0;font-size:.8125rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.etb-subject__text{font-size:.9375rem;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.etb-copy-btn{align-items:center;border:none;border-radius:8px;cursor:pointer;display:inline-flex;flex-shrink:0;font-size:.875rem;font-weight:600;gap:8px;line-height:1.2;padding:10px 20px;transition:opacity .2s ease,box-shadow .2s ease,transform .15s ease}.etb-copy-btn:hover{box-shadow:0 4px 12px rgba(0,0,0,.15);opacity:.9}.etb-copy-btn:active{transform:scale(.97)}.etb-copy-btn__icon{flex-shrink:0}.etb-copy-btn--copied{pointer-events:none}.etb-copy-btn--copied .etb-copy-btn__icon{display:none}.etb-copy-btn__check{display:none;flex-shrink:0}.etb-copy-btn--copied .etb-copy-btn__check{display:inline-block}.etb-body{font-family:Courier New,Courier,monospace;font-size:.9375rem;line-height:1.7;padding:32px 24px;white-space:pre-wrap;word-wrap:break-word}.etb-body p{margin-bottom:16px}.etb-body p:last-child{margin-bottom:0}@media only screen and (max-width:991px){.etb-toolbar{padding:14px 20px}.etb-body{padding:24px 20px}}@media only screen and (max-width:767px){.etb-header{margin-bottom:32px}.etb-toolbar{align-items:flex-start;flex-direction:column;gap:12px;padding:14px 16px}.etb-subject__text{white-space:normal}.etb-copy-btn{justify-content:center;width:100%}.etb-body{font-size:.875rem;line-height:1.6;padding:20px 16px}}@media only screen and (max-width:480px){.etb-card{border-radius:12px}.etb-body{font-size:.8125rem;padding:16px 14px}}