.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, #667eea 0, #764ba2 100%);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, #667eea);-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);transition:all 0.3s}.stat-card:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,0.1)}.stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#667eea;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)}.mode-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(230px, 1fr));gap:16px;margin-bottom:32px}.mode-card{background:white;border-radius:20px;padding:16px 20px;display:flex;align-items:center;gap:14px;cursor:pointer;transition:all 0.3s;border:1px solid var(--gray-200);position:relative;overflow:hidden}.mode-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg, #667eea, #764ba2);transform:scaleX(0);transition:transform 0.3s}.mode-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(0,0,0,0.1)}.mode-card:hover::before{transform:scaleX(1)}.mode-card.active{background:linear-gradient(135deg, #f8fafc, #fff);border-color:#667eea;box-shadow:0 4px 15px rgba(102,126,234,0.15)}.mode-card.active .mode-check{opacity:1;transform:scale(1)}.mode-icon{width:48px;height:48px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:16px;display:flex;align-items:center;justify-content:center;color:#667eea;font-size:1.3rem}.mode-info{flex:1}.mode-info h3{font-size:0.95rem;font-weight:700;margin-bottom:4px;color:var(--gray-800)}.mode-info p{font-size:0.65rem;color:var(--gray-500)}.mode-example{font-size:0.7rem;color:#667eea;font-family:monospace;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);padding:4px 10px;border-radius:20px}.mode-check{opacity:0;transform:scale(.8);transition:all 0.3s;color:#10b981;font-size:1.1rem}.editor-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}.editor-panel{background:white;border-radius:24px;overflow:hidden;border:1px solid var(--gray-200);transition:all 0.3s;box-shadow:0 2px 8px rgba(0,0,0,0.03)}.editor-panel:hover{box-shadow:0 8px 30px rgba(0,0,0,0.08)}.panel-header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200)}.panel-title{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--gray-700)}.panel-title i{color:#667eea;font-size:1rem}.badge-sm{background:#667eea;color:white;padding:2px 10px;border-radius:30px;font-size:0.65rem;margin-left:8px}.panel-actions{display:flex;gap:6px}.action-btn{background:transparent;border:none;padding:6px 10px;border-radius:30px;cursor:pointer;transition:all 0.2s;color:var(--gray-500);font-size:0.8rem}.action-btn:hover{background:var(--gray-100);color:#667eea}.code-textarea{width:100%;min-height:220px;padding:20px;font-family:'Fira Code',monospace;font-size:0.85rem;line-height:1.6;border:none;resize:vertical;background:#1a1a2e;color:#e0e0e0}.code-textarea:focus{outline:none}.output-wrapper{min-height:220px;max-height:300px;overflow:auto;background:#1a1a2e}.code-output{margin:0;padding:20px;font-family:'Fira Code',monospace;font-size:0.85rem;line-height:1.6;color:#e0e0e0;white-space:pre-wrap;word-break:break-all}.panel-footer{padding:8px 20px;background:var(--gray-50);border-top:1px solid var(--gray-200);display:flex;justify-content:space-between;font-size:0.7rem;color:var(--gray-500)}.advanced-card{background:white;border-radius:20px;border:1px solid var(--gray-200);margin-bottom:24px;overflow:hidden}.advanced-header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;cursor:pointer;background:linear-gradient(135deg, #f8fafc, #fff);transition:all 0.3s}.advanced-header:hover{background:var(--gray-50)}.advanced-title{display:flex;align-items:center;gap:10px;font-weight:500;color:var(--gray-700)}.advanced-title i{color:#667eea}.toggle-icon{transition:transform 0.3s;color:var(--gray-500)}.advanced-header.open .toggle-icon{transform:rotate(180deg)}.advanced-content{padding:20px;border-top:1px solid var(--gray-200);display:none}.advanced-content.show{display:block}.option-group{display:flex;flex-wrap:wrap;gap:24px;margin-bottom:20px}.option-group:last-child{margin-bottom:0}.option-item{display:flex;align-items:center}.option-item.full-width{width:100%}.switch-label{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none}.switch-label input{display:none}.switch-slider{width:44px;height:24px;background:var(--gray-300);border-radius:30px;position:relative;transition:all 0.3s}.switch-slider::before{content:'';position:absolute;width:20px;height:20px;background:white;border-radius:50%;top:2px;left:2px;transition:all 0.3s}.switch-label input:checked+.switch-slider{background:#667eea}.switch-label input:checked+.switch-slider::before{left:22px}.switch-text{font-size:0.85rem;color:var(--gray-700)}.option-label{font-size:0.85rem;color:var(--gray-700);margin-right:12px}.custom-input-group{display:flex;gap:10px;align-items:center}.custom-input{padding:8px 14px;border:1px solid var(--gray-300);border-radius:30px;width:150px;font-size:0.85rem}.custom-input:focus{outline:none;border-color:#667eea}.apply-btn{background:#667eea;border:none;padding:8px 20px;border-radius:30px;color:white;cursor:pointer;font-size:0.8rem;transition:all 0.2s}.apply-btn:hover{background:#5a67d8;transform:translateY(-1px)}.tips-card{background:linear-gradient(135deg, #fef3c7, #fffbeb);border-radius:20px;padding:16px 20px;margin-bottom:24px}.tips-header{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-weight:600;color:#92400e}.tips-content{display:flex;flex-direction:column;gap:8px}.tip-item{font-size:0.75rem;color:#78350f;display:flex;align-items:center;gap:8px}.tip-item i{color:#f59e0b;font-size:0.7rem}.info-section{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)}.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){.editor-wrapper{grid-template-columns:1fr}.mode-grid{grid-template-columns:repeat(2, 1fr)}.info-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:640px){.mode-grid{grid-template-columns:1fr}}@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}.option-group{flex-direction:column;gap:12px}.custom-input-group{flex-direction:column;width:100%}.custom-input{width:100%}.apply-btn{width:100%}}