.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, #ec4899, #be185d);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #ec4899);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.core-stats{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.core-stat{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)}.core-stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #fce7f3, #fdf2f8);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#ec4899;font-size:1.3rem}.core-stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--gray-800)}.core-stat-label{font-size:0.7rem;color:var(--gray-500)}.input-card{background:white;border-radius:28px;padding:24px;box-shadow:0 20px 40px -15px rgba(0,0,0,0.08);margin-bottom:24px;border:1px solid var(--gray-200)}.input-tabs{display:flex;gap:8px;margin-bottom:24px;border-bottom:1px solid var(--gray-200);padding-bottom:12px}.input-tab{background:transparent;border:none;padding:8px 24px;cursor:pointer;font-size:0.9rem;font-weight:500;color:var(--gray-500);border-radius:30px;transition:all 0.2s}.input-tab.active{background:#ec4899;color:white}.form-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px;margin-bottom:24px}.form-group label{display:block;font-size:0.75rem;font-weight:500;color:var(--gray-600);margin-bottom:6px}.form-group label i{color:#ec4899;margin-right:4px}.form-input,.form-select{width:100%;padding:12px 16px;border:1px solid var(--gray-200);border-radius:16px;font-size:0.9rem;transition:all 0.2s}.form-input:focus,.form-select:focus{outline:none;border-color:#ec4899;box-shadow:0 0 0 3px rgba(236,72,153,0.1)}.calculate-btn{width:100%;padding:14px;background:linear-gradient(135deg, #ec4899, #be185d);border:none;border-radius:60px;color:white;font-weight:600;font-size:1rem;cursor:pointer;transition:all 0.3s}.calculate-btn:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(236,72,153,0.3)}.file-upload-area{border:2px dashed var(--gray-300);border-radius:24px;padding:60px;text-align:center;cursor:pointer;transition:all 0.3s}.file-upload-area:hover{border-color:#ec4899;background:var(--gray-50)}.file-upload-area i{font-size:48px;color:#ec4899;margin-bottom:16px}.btn-outline{background:transparent;border:1px solid var(--gray-300);padding:12px 24px;border-radius:40px;font-weight:500;cursor:pointer;margin-top:16px}.loading-state{text-align:center;padding:60px;background:var(--gray-50);border-radius:28px}.loading-spinner{width:50px;height:50px;border:3px solid var(--gray-200);border-top-color:#ec4899;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.result-area{animation:fadeIn 0.4s ease}.metrics-cards{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px;margin-bottom:24px}.metric-card{background:linear-gradient(135deg, #fdf2f8, #fff);border-radius:24px;padding:20px;display:flex;align-items:center;gap:16px;border:1px solid var(--gray-200)}.metric-icon{width:54px;height:54px;background:linear-gradient(135deg, #fce7f3, #fdf2f8);border-radius:18px;display:flex;align-items:center;justify-content:center;color:#ec4899;font-size:1.5rem}.metric-info{flex:1}.metric-label{display:block;font-size:0.7rem;color:var(--gray-500);margin-bottom:4px}.metric-value{display:block;font-size:1.4rem;font-weight:700;color:var(--gray-800)}.chart-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}.chart-card{background:white;border-radius:24px;padding:20px;border:1px solid var(--gray-200)}.chart-header{margin-bottom:16px;font-weight:600;display:flex;align-items:center;gap:8px}.product-section{background:white;border-radius:24px;padding:20px;margin-bottom:24px;border:1px solid var(--gray-200)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-weight:600}.product-table{width:100%;border-collapse:collapse}.product-table th,.product-table td{padding:12px;text-align:center;border-bottom:1px solid var(--gray-200)}.product-table th{background:var(--gray-50);font-weight:600}.product-table tr:hover td{background:var(--gray-50)}.btn-outline-sm{background:transparent;border:1px solid var(--gray-300);padding:6px 16px;border-radius:30px;font-size:0.75rem;cursor:pointer}.summary-section{background:linear-gradient(135deg, #fef3c7, #fffbeb);border-radius:24px;padding:20px;border:1px solid #fde68a}.summary-content{color:#78350f;font-size:0.9rem;line-height:1.8}.live-tips{margin-top:32px;background:linear-gradient(135deg, #f0f4ff, #e8edf8);border-radius:28px;padding:24px}.tips-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-weight:600}.tips-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px}.tip-card{background:white;border-radius:20px;padding:20px;text-align:center}.tip-card i{font-size:1.8rem;color:#ec4899;margin-bottom:12px}.tip-card h4{font-size:0.9rem;margin-bottom:8px}.tip-card p{font-size:0.7rem;color:var(--gray-500)}.file-preview{margin-top:20px;background:var(--gray-50);border-radius:20px;padding:16px}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-weight:600}.file-data-preview{max-height:200px;overflow-y:auto;background:white;border-radius:12px;padding:12px;font-family:monospace;font-size:0.75rem}.preview-actions{display:flex;gap:16px;align-items:center;margin-top:12px;flex-wrap:wrap}.select-sm{padding:6px 12px;border:1px solid var(--gray-300);border-radius:20px;background:white}.btn-primary-sm{background:#ec4899;color:white;border:none;padding:6px 16px;border-radius:20px;cursor:pointer}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:16px}.api-help{font-size:0.7rem;color:#ec4899;text-decoration:none;display:inline-block;margin-top:4px}.api-help:hover{text-decoration:underline}.api-actions{display:flex;gap:16px;justify-content:center;margin:20px 0}.api-status{padding:12px;border-radius:12px;text-align:center;font-size:0.8rem}.api-status.success{background:#d1fae5;color:#065f46}.api-status.error{background:#fee2e2;color:#991b1b}.api-status.loading{background:#dbeafe;color:#1e40af}.api-docs{margin-top:20px;background:var(--gray-50);border-radius:16px;padding:16px}.docs-header{font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px}.docs-content{font-size:0.75rem;color:var(--gray-600);line-height:1.6}.docs-content code{background:var(--gray-200);padding:2px 6px;border-radius:4px;font-family:monospace}@media (max-width:768px){.form-row{grid-template-columns:1fr}.preview-actions{flex-direction:column;align-items:flex-start}}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:1024px){.form-grid{grid-template-columns:repeat(2, 1fr)}.metrics-cards{grid-template-columns:repeat(2, 1fr)}.tips-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:768px){.form-grid{grid-template-columns:1fr}.metrics-cards{grid-template-columns:1fr}.chart-row{grid-template-columns:1fr}.tips-grid{grid-template-columns:1fr}.core-stats{gap:12px}.core-stat{padding:12px 20px}}