.tool-header{text-align:center;margin-bottom:40px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #f59e0b, #d97706);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #f59e0b);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.stats-cards{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.stat-card{background:white;border-radius:60px;padding:16px 28px;display:flex;align-items:center;gap:16px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #fef3c7, #fffbeb);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#f59e0b;font-size:1.3rem}.stat-info{text-align:left}.stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--gray-800)}.stat-label{font-size:0.7rem;color:var(--gray-500)}.converter-container{display:grid;grid-template-columns:1fr 380px;gap:24px;margin-bottom:24px}.upload-section{background:linear-gradient(135deg, #fff, #fafafc);border-radius:24px;padding:24px;border:1px solid var(--gray-200)}.upload-card{height:100%}.upload-area{border:2px dashed var(--gray-300);border-radius:20px;padding:40px 20px;text-align:center;cursor:pointer;transition:all 0.3s;margin-bottom:20px}.upload-area:hover{border-color:#f59e0b;background:var(--gray-50)}.upload-area i{font-size:14px;color:var(--gray-400)}.upload-area p{margin-bottom:8px;color:var(--gray-600)}.upload-hint{font-size:0.7rem;color:var(--gray-400);display:block;margin-bottom:16px}.btn-outline{background:transparent;border:1px solid var(--gray-300);padding:10px 24px;border-radius:40px;font-size:0.85rem;font-weight:500;cursor:pointer;transition:all 0.3s;display:inline-flex;align-items:center;gap:8px;color:var(--gray-700)}.btn-outline:hover{background:#f59e0b;border-color:#f59e0b;color:white}.upload-btn{margin-top:8px}.preview-area{border-radius:20px;overflow:hidden;border:1px solid var(--gray-200);animation:fadeIn 0.3s ease}.preview-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200)}.remove-btn{background:transparent;border:none;color:var(--gray-500);cursor:pointer;padding:4px 8px;border-radius:8px}.remove-btn:hover{background:#fee2e2;color:#ef4444}.preview-container{padding:20px;text-align:center;background:#f8fafc;position:relative}.preview-container img{max-width:200px;max-height:200px;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.1)}.upload-success{position:absolute;top:16px;right:16px;background:#d1fae5;color:#065f46;padding:4px 12px;border-radius:30px;font-size:0.7rem;display:flex;align-items:center;gap:6px}.options-section{background:linear-gradient(135deg, #fff, #fafafc);border-radius:24px;padding:24px;border:1px solid var(--gray-200)}.options-card h3{font-size:0.95rem;margin-bottom:20px;color:var(--gray-700);display:flex;align-items:center;gap:8px}.option-group{margin-bottom:24px}.option-group label{display:block;font-size:0.75rem;font-weight:500;color:var(--gray-500);margin-bottom:10px}.size-buttons{display:flex;flex-wrap:wrap;gap:10px}.size-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:8px 16px;border-radius:40px;font-size:0.75rem;cursor:pointer;transition:all 0.2s}.size-btn.active{background:#f59e0b;border-color:#f59e0b;color:white}.size-btn:hover:not(.active){background:var(--gray-200)}.bg-options{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.bg-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:6px 16px;border-radius:40px;font-size:0.75rem;cursor:pointer;transition:all 0.2s}.bg-btn.active{background:#f59e0b;border-color:#f59e0b;color:white}.bg-btn:hover:not(.active){background:var(--gray-200)}.custom-bg{display:flex;align-items:center;gap:8px;padding:4px 12px;background:var(--gray-100);border-radius:40px}.custom-bg span{font-size:0.75rem;color:var(--gray-600)}.custom-bg input{width:36px;height:30px;border:1px solid var(--gray-200);border-radius:8px;cursor:pointer;background:white}.option-group input[type="range"]{width:calc(40%);vertical-align:middle;cursor:pointer}#qualityValue{margin-left:12px;font-size:0.75rem;color:#f59e0b;font-weight:500}.convert-btn{width:100%;background:linear-gradient(135deg, #f59e0b, #d97706);border:none;color:white;padding:14px;font-size:1rem;border-radius:50px;font-weight:600;cursor:pointer;transition:all 0.3s;margin-bottom:20px}.convert-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px rgba(245,158,11,0.3)}.convert-btn:disabled{opacity:0.5;cursor:not-allowed;transform:none}.result-area{background:var(--gray-50);border-radius:16px;overflow:hidden;animation:fadeIn 0.3s ease}.result-header{padding:12px 16px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200);font-weight:500}.download-links{padding:16px;display:flex;flex-wrap:wrap;gap:12px}.download-item{background:white;border-radius:40px;padding:8px 20px;display:flex;align-items:center;gap:12px;transition:all 0.2s;border:1px solid var(--gray-200)}.download-item:hover{border-color:#f59e0b;transform:translateY(-2px);box-shadow:0 4px 12px rgba(245,158,11,0.1)}.download-item span{font-weight:500}.download-item .size{font-family:monospace;color:#f59e0b}.download-btn{background:#f59e0b;border:none;padding:4px 12px;border-radius:30px;color:white;font-size:0.7rem;cursor:pointer;transition:all 0.2s}.download-btn:hover{background:#d97706}.size-info-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:12px;margin-top:16px}.size-info-item{background:var(--gray-50);border-radius:12px;padding:10px;display:flex;justify-content:space-between;align-items:center}.size-info-item .size{font-weight:600;color:#f59e0b;font-family:monospace}.size-info-item .desc{font-size:0.7rem;color:var(--gray-500)}.info-section{margin-top:24px}.divider{display:flex;align-items:center;gap:12px;margin-bottom:16px}.divider span{font-size:0.85rem;font-weight:500;color:var(--gray-600)}.divider::after{content:'';flex:1;height:1px;background:var(--gray-200)}.info-grid-bottom{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;padding:16px;background:var(--gray-50);border-radius:20px}.info-item{display:flex;align-items:center;gap:8px;font-size:0.8rem;color:var(--gray-600)}.info-item i{width:24px;color:#f59e0b}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.converter-container{grid-template-columns:1fr}.info-grid-bottom{grid-template-columns:repeat(2, 1fr)}.size-info-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:480px){.stats-cards{gap:12px}.stat-card{padding:12px 20px}.stat-value{font-size:1.2rem}.info-grid-bottom{grid-template-columns:1fr}.size-info-grid{grid-template-columns:1fr}.size-buttons{gap:8px}.size-btn{padding:6px 12px;font-size:0.7rem}.bg-options{gap:8px}.bg-btn{padding:4px 12px;font-size:0.7rem}}