.ffmpeg-status{background:linear-gradient(135deg, #f8fafc, #fff);border-radius:24px;padding:40px;text-align:center;margin-bottom:24px;border:1px solid var(--gray-200)}.status-loading .spinner{width:48px;height:48px;border:3px solid var(--gray-200);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 16px}.status-loading span{display:block;font-size:1rem;font-weight:500;color:var(--gray-700);margin-bottom:8px}.status-loading small{font-size:0.75rem;color:var(--gray-400)}.status-success{background:linear-gradient(135deg, #d1fae5, #a7f3d0);color:#065f46;padding:16px;border-radius:16px;text-align:center}.status-error{background:linear-gradient(135deg, #fee2e2, #fecaca);color:#991b1b;padding:16px;border-radius:16px;text-align:center}@keyframes spin{to{transform:rotate(360deg)}}.upload-area{background:linear-gradient(135deg, #f8fafc, #fff);border:2px dashed var(--gray-300);border-radius:24px;padding:48px 24px;text-align:center;cursor:pointer;transition:all 0.3s;margin-bottom:24px}.upload-area:hover{border-color:var(--primary-color);background:var(--gray-50)}.upload-area i{font-size:56px;color:var(--gray-400);margin-bottom:16px}.upload-area p{font-size:1rem;color:var(--gray-600);margin-bottom:8px}.upload-hint{font-size:0.7rem;color:var(--gray-400);display:block;margin-bottom:16px}.video-info{background:var(--gray-50);border-radius:20px;padding:16px 20px;margin-bottom:24px;display:grid;grid-template-columns:repeat(2, 1fr);gap:12px}.info-row{display:flex;align-items:center;gap:12px}.info-label{font-size:0.75rem;color:var(--gray-500);min-width:70px}.info-value{font-size:0.85rem;font-weight:500;color:var(--gray-700)}.preview-container{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}.preview-card{background:var(--gray-50);border-radius:20px;overflow:hidden;border:1px solid var(--gray-200)}.preview-header{padding:12px 16px;background:white;border-bottom:1px solid var(--gray-200);font-weight:500;font-size:0.85rem}.preview-header i{color:var(--primary-color);margin-right:6px}.video-preview{width:100%;max-height:280px;background:#1a1a2e}.preview-placeholder{min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--gray-400);background:#1a1a2e}.preview-placeholder i{font-size:48px;margin-bottom:12px}.operation-section{background:var(--gray-50);border-radius:24px;padding:24px;margin-bottom:24px}.operation-section h4{font-size:0.85rem;font-weight:600;color:var(--gray-700);margin-bottom:12px;display:flex;align-items:center;gap:8px}.rotate-buttons,.flip-buttons{display:flex;gap:16px;margin-bottom:24px;flex-wrap:wrap}.action-btn{background:white;border:1px solid var(--gray-200);padding:12px 24px;border-radius:60px;cursor:pointer;transition:all 0.3s;display:inline-flex;align-items:center;gap:10px;font-size:0.9rem;font-weight:500}.action-btn i{font-size:1rem}.action-btn:hover{background:var(--gray-100);border-color:var(--primary-color);color:var(--primary-color);transform:translateY(-2px)}.action-btn.active{background:var(--primary-color);border-color:var(--primary-color);color:white}.output-settings{display:flex;gap:24px;margin-bottom:24px;flex-wrap:wrap}.output-settings label{display:flex;align-items:center;gap:12px;font-size:0.85rem;color:var(--gray-600)}.output-settings select{padding:8px 16px;border:1px solid var(--gray-200);border-radius:40px;background:white;font-size:0.85rem}.progress-container{margin:20px 0}.progress-bar{background:var(--gray-200);border-radius:30px;height:8px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg, var(--primary-color), var(--primary-dark));border-radius:30px;width:0%;transition:width 0.3s}.progress-text{text-align:center;font-size:0.75rem;color:var(--gray-500);margin-top:8px}.action-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:16px}.process-btn{background:linear-gradient(135deg, var(--primary-color), var(--primary-dark));padding:14px 36px;font-size:1rem}.process-btn:disabled{opacity:0.5;cursor:not-allowed}.btn-outline{background:transparent;border:1px solid var(--gray-300);padding:12px 24px;border-radius:50px;font-weight:500;cursor:pointer;transition:all 0.3s}.btn-outline:hover:not(:disabled){background:var(--gray-100);border-color:var(--primary-color);color:var(--primary-color)}.btn-outline:disabled{opacity:0.5;cursor:not-allowed}.info-section{margin-top:24px}.info-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;padding:16px}.info-item{display:flex;align-items:center;gap:12px;font-size:0.85rem;color:var(--gray-600)}.info-item i{width:28px;height:28px;background:var(--gray-100);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--primary-color);font-size:0.7rem}.info-note{background:#fef3c7;border-radius:16px;padding:12px 20px;font-size:0.75rem;color:#92400e;margin-top:16px}@media (max-width:900px){.preview-container{grid-template-columns:1fr}.video-info{grid-template-columns:1fr}.info-grid{grid-template-columns:repeat(2, 1fr)}.rotate-buttons,.flip-buttons{justify-content:center}}@media (max-width:480px){.info-grid{grid-template-columns:1fr}.action-btn{padding:10px 18px;font-size:0.8rem}.output-settings{flex-direction:column}}