.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)}.code-tabs{display:flex;gap:16px;margin-bottom:24px;justify-content:center}.code-tab{background:transparent;border:none;padding:12px 28px;cursor:pointer;transition:all 0.3s;border-radius:60px;text-align:center;font-weight:500}.code-tab i{font-size:1.1rem;margin-right:8px}.code-tab.active{background:linear-gradient(135deg, #f59e0b, #d97706);color:white;box-shadow:0 4px 12px rgba(245,158,11,0.3)}.runner-container{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}.editor-section{background:#1a1a2e;border-radius:24px;overflow:hidden;border:1px solid var(--gray-200)}.editor-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#2d2d44;border-bottom:1px solid rgba(255,255,255,0.1)}.header-left{display:flex;align-items:center;gap:8px;color:#e0e0e0;font-size:0.85rem}.header-right{display:flex;gap:6px}.icon-btn{background:transparent;border:none;padding:6px 10px;border-radius:8px;cursor:pointer;color:#a0a0c0;transition:all 0.2s}.icon-btn:hover{background:rgba(255,255,255,0.1);color:#f59e0b}.code-editor{width:100%;min-height:450px;padding:20px;font-family:'Fira Code','Monaco',monospace;font-size:13px;line-height:1.6;border:none;resize:vertical;background:#1a1a2e;color:#e0e0e0}.code-editor:focus{outline:none}.preview-section{background:white;border-radius:24px;overflow:hidden;border:1px solid var(--gray-200);display:flex;flex-direction:column}.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);flex-wrap:wrap;gap:12px}.preview-title{display:flex;align-items:center;gap:8px;font-weight:500}.preview-actions{display:flex;gap:8px;align-items:center}.run-btn{background:linear-gradient(135deg, #f59e0b, #d97706);border:none;padding:6px 16px;border-radius:30px;color:white;cursor:pointer;transition:all 0.2s}.run-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(245,158,11,0.4)}.device-btn{background:transparent;border:1px solid var(--gray-300);padding:6px 10px;border-radius:8px;cursor:pointer;color:var(--gray-600);transition:all 0.2s}.device-btn.active{background:#f59e0b;border-color:#f59e0b;color:white}.preview-container{flex:1;position:relative;min-height:450px;background:white;background-image:radial-gradient(circle, #e0e0e0 1px, transparent 1px);background-size:20px 20px}.preview-frame{width:100%;height:100%;min-height:450px;border:none}.preview-frame.desktop{width:100%}.preview-frame.tablet{width:768px;margin:0 auto;box-shadow:0 0 20px rgba(0,0,0,0.1)}.preview-frame.mobile{width:375px;margin:0 auto;box-shadow:0 0 20px rgba(0,0,0,0.1)}.preview-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;gap:12px;color:white;z-index:10}.loading-spinner{width:24px;height:24px;border:2px solid rgba(255,255,255,0.3);border-top-color:white;border-radius:50%;animation:spin 0.8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.quick-examples{margin-top:20px}.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)}.example-buttons{display:flex;flex-wrap:wrap;gap:12px}.example-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:8px 20px;border-radius:40px;cursor:pointer;transition:all 0.2s;font-size:0.85rem}.example-btn:hover{background:#f59e0b;border-color:#f59e0b;color:white}.info-section{margin-top:24px}.info-grid{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{color:#10b981}@media (max-width:900px){.runner-container{grid-template-columns:1fr}.info-grid{grid-template-columns:repeat(2, 1fr)}.preview-actions{flex-wrap:wrap}}@media (max-width:480px){.stats-cards{gap:12px}.stat-card{padding:12px 20px}.stat-value{font-size:1.2rem}.info-grid{grid-template-columns:1fr}.code-tab{padding:8px 16px}}