.download-btn{align-items:center;background:linear-gradient(135deg,#2c5aaa,#2c5aaa);border:none;border-radius:8px;box-shadow:0 4px 15px rgba(102,126,234,.2);color:#fff;cursor:pointer;display:inline-flex;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;font-size:14px;font-weight:500;gap:8px;height:44px;justify-content:center;letter-spacing:.3px;min-width:120px;overflow:hidden;padding:10px 24px;position:relative;text-decoration:none;transition:all .3s ease}.download-btn:hover{background:linear-gradient(135deg,#207edc,#207edc);box-shadow:0 6px 20px rgba(102,126,234,.3);transform:translateY(-2px)}.download-btn:active{box-shadow:0 2px 10px rgba(102,126,234,.2);transform:translateY(0)}.download-btn:focus{box-shadow:0 0 0 3px rgba(102,126,234,.3);outline:none}.download-btn:disabled{cursor:not-allowed}.download-btn:disabled,.download-btn:disabled:hover{background:linear-gradient(135deg,#ccc,#999);box-shadow:none;transform:none}.download-btn .icon{display:inline-block;font-size:16px;transition:transform .3s ease}.download-btn:hover .icon{transform:translateY(1px)}.download-btn.minimal{background:#fff;border:2px solid #667eea;box-shadow:none;color:#667eea}.download-btn.minimal:hover{background:#667eea;border-color:#667eea;color:#fff}.download-btn.small{font-size:13px;height:36px;min-width:100px;padding:6px 16px}.download-btn.small .icon{font-size:14px}.download-btn.large{font-size:16px;height:52px;min-width:140px;padding:14px 32px}.download-btn.large .icon{font-size:18px}.download-btn.rounded{border-radius:24px}.download-btn.loading{color:transparent;position:relative}.download-btn.loading:after{animation:spin 1s linear infinite;border:2px solid hsla(0,0%,100%,.3);border-radius:50%;border-top-color:#fff;content:"";height:16px;position:absolute;width:16px}.button-container{align-items:center;display:flex;flex-direction:column}.button-group{display:flex;gap:30px;margin-bottom:1px}.file-name{color:#666;font-size:14px;margin-top:0;min-height:18px;padding-top:2px}@keyframes spin{to{transform:rotate(1turn)}}@media (prefers-color-scheme:dark){.download-btn{background:linear-gradient(135deg,#4f5bd5,#5c2d91);box-shadow:0 4px 15px rgba(79,91,213,.3)}.download-btn:hover{background:linear-gradient(135deg,#434ec4,#4a2177);box-shadow:0 6px 20px rgba(79,91,213,.4)}}@media (max-width:768px){.button-group{align-items:stretch;flex-direction:column;gap:8px;padding:0 15px}.download-btn{font-size:13px;height:40px;min-width:110px;padding:8px 20px;width:100%}.download-btn .icon{font-size:14px}}@media (min-width:769px) and (max-width:1024px){.button-group{flex-wrap:wrap;gap:12px;justify-content:center}.download-btn{flex:0 1 calc(33.333% - 8px);min-width:140px}}@media (min-width:1025px){.button-group{gap:15px;justify-content:flex-start}.download-btn{flex:0 1 auto}}