.file-settings{display:flex;gap:16px;margin-bottom:24px;flex-wrap:wrap}.file-name-group{flex:1;min-width:200px}.file-name-group label{display:block;font-size:14px;font-weight:600;color:#2d2a26;margin-bottom:8px}.file-name-wrapper{display:flex;align-items:stretch}.file-name-wrapper input{flex:1;padding:12px 16px;font-size:15px;color:#2d2a26;background:#faf9f7;border:1px solid #e8e4dc;border-radius:12px 0 0 12px;transition:border-color 0.2s,box-shadow 0.2s}.file-name-wrapper input:focus{outline:none;border-color:#d4af37;box-shadow:0 0 0 3px rgba(212,175,55,.15);z-index:1}.file-extension{display:flex;align-items:center;padding:0 16px;background:#f0ede8;border:1px solid #e8e4dc;border-left:none;border-radius:0 12px 12px 0;font-size:14px;font-weight:600;color:#8c8579}.txt-input-section{position:relative;margin-bottom:24px}.txt-input-section textarea{width:100%;min-height:300px;padding:20px;font-size:15px;font-family:'Consolas','Monaco','Courier New',monospace;line-height:1.7;color:#2d2a26;background:#faf9f7;border:1px solid #e8e4dc;border-radius:12px;transition:border-color 0.2s,box-shadow 0.2s;resize:vertical}.txt-input-section textarea:focus{outline:none;border-color:#d4af37;box-shadow:0 0 0 3px rgba(212,175,55,.15)}.txt-input-section textarea::placeholder{color:#8c8579;font-family:inherit}.input-info-bar{display:flex;justify-content:space-between;align-items:center;margin-top:8px;padding:8px 16px;background:#f0ede8;border-radius:8px;font-size:13px;color:#8c8579}.input-info-bar .stats{display:flex;gap:24px}.input-info-bar .stats span{display:flex;align-items:center;gap:4px}.input-info-bar .stats .value{font-weight:600;color:#d4af37}.file-preview-info{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.preview-card{background:#faf9f7;border-radius:12px;padding:20px;text-align:center;transition:transform 0.2s,box-shadow 0.2s}.preview-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.08)}.preview-card.highlight{background:linear-gradient(135deg,rgba(212,175,55,.1) 0%,rgba(184,134,11,.1) 100%);border:1px solid rgba(212,175,55,.3)}.preview-card .icon{width:40px;height:40px;margin:0 auto 8px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);border-radius:12px;color:#fff;font-size:18px}.preview-card .value{display:block;font-size:20px;font-weight:700;color:#2d2a26;margin-bottom:4px}.preview-card.highlight .value{color:#b8860b}.preview-card .label{font-size:13px;color:#8c8579}.txt-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.txt-actions .tool-btn{min-width:160px;padding:14px 24px;font-size:15px;font-weight:600}.txt-actions .tool-btn i{font-size:18px}.txt-actions .tool-btn-primary{background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);color:#fff;border:none;box-shadow:0 2px 6px rgba(212,175,55,.25)}.txt-actions .tool-btn-primary:hover{background:linear-gradient(135deg,#b8860b 0%,#9a7209 100%);transform:translateY(-1px);box-shadow:0 4px 12px rgba(212,175,55,.3)}.txt-actions .tool-btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.download-success{display:none;align-items:center;justify-content:center;gap:8px;padding:16px 20px;background:linear-gradient(135deg,rgba(34,197,94,.1) 0%,rgba(22,163,74,.1) 100%);border:1px solid rgba(34,197,94,.3);border-radius:12px;color:#16a34a;font-size:14px;font-weight:500;margin-top:24px}.download-success.show{display:flex;animation:fadeIn 0.3s ease}.download-success i{font-size:18px}@keyframes fadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.file-settings{flex-direction:column}.file-preview-info{grid-template-columns:1fr}.txt-input-section textarea{min-height:250px}.txt-actions{flex-direction:column}.txt-actions .tool-btn{width:100%}.input-info-bar{flex-direction:column;gap:4px;align-items:flex-start}.input-info-bar .stats{flex-wrap:wrap;gap:16px}}@media (max-width:480px){.preview-card{padding:16px}.preview-card .value{font-size:18px}.txt-input-section textarea{min-height:200px;padding:16px;font-size:14px}}