.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, #2563eb, #1d4ed8);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, #2563eb);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.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, #e0e7ff, #f0f4ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#2563eb;font-size:1.3rem}.core-stat-info{text-align:left}.core-stat-value{display:block;font-size:1.3rem;font-weight:700;color:var(--gray-800)}.core-stat-label{font-size:0.7rem;color:var(--gray-500)}.mode-tabs{display:flex;gap:16px;margin-bottom:24px;justify-content:center}.mode-tab{background:transparent;border:none;padding:12px 24px;cursor:pointer;transition:all 0.3s;border-radius:60px;text-align:center;min-width:160px}.mode-tab i{font-size:1.2rem;margin-right:8px}.mode-tab span{font-weight:500}.mode-tab small{display:block;font-size:0.65rem;color:var(--gray-400);margin-top:4px}.mode-tab.active{background:linear-gradient(135deg, #2563eb, #1d4ed8);color:white;box-shadow:0 4px 12px rgba(37,99,235,0.3)}.mode-tab.active small{color:rgba(255,255,255,0.7)}.input-card{background:linear-gradient(135deg, #f8fafc, #fff);border-radius:24px;padding:20px;margin-bottom:24px;border:1px solid var(--gray-200)}.input-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.input-title{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--gray-700)}.input-actions{display:flex;gap:8px}.hex-textarea{width:100%;min-height:120px;padding:16px;font-family:'Fira Code',monospace;font-size:0.9rem;border:1px solid var(--gray-200);border-radius:16px;resize:vertical;background:white;transition:all 0.3s}.hex-textarea:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,0.1)}.input-hint{margin-top:12px;font-size:0.7rem;color:var(--gray-500);display:flex;align-items:center;flex-wrap:wrap;gap:8px}.hint-badge{background:var(--gray-100);padding:2px 8px;border-radius:20px;font-family:monospace}.options-card{background:var(--gray-50);border-radius:20px;padding:16px 20px;margin-bottom:24px}.options-title{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-weight:600;font-size:0.85rem;color:var(--gray-700)}.options-grid{display:flex;flex-wrap:wrap;gap:24px}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:0.85rem;user-select:none}.checkbox-label input{display:none}.checkmark{width:18px;height:18px;border:2px solid var(--gray-400);border-radius:4px;display:inline-block;position:relative;transition:all 0.2s}.checkbox-label input:checked+.checkmark{background:#2563eb;border-color:#2563eb}.checkbox-label input:checked+.checkmark::after{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;font-size:10px;color:white;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%)}.result-card{background:linear-gradient(135deg, #1a1a2e, #0f0f23);border-radius:24px;padding:20px;margin-bottom:24px}.result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,0.1)}.result-title{display:flex;align-items:center;gap:8px;color:white;font-weight:600}.result-actions{display:flex;gap:8px}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.result-item{background:rgba(255,255,255,0.05);border-radius:20px;padding:20px;display:flex;align-items:center;gap:16px;transition:all 0.3s}.result-item:hover{background:rgba(255,255,255,0.1);transform:translateY(-2px)}.result-icon{width:56px;height:56px;background:rgba(37,99,235,0.2);border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;color:#3b82f6}.result-info{flex:1}.result-label{display:block;font-size:0.7rem;color:rgba(255,255,255,0.5);margin-bottom:8px}.result-value-group{display:flex;gap:16px;margin-bottom:8px;flex-wrap:wrap}.result-value{font-family:'Fira Code',monospace;font-size:1.3rem;font-weight:700;color:#3b82f6}.result-desc{font-size:0.65rem;color:rgba(255,255,255,0.4);font-family:monospace}.data-table-card{background:white;border-radius:20px;border:1px solid var(--gray-200);overflow:hidden;margin-bottom:24px}.table-header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:var(--gray-50);border-bottom:1px solid var(--gray-200)}.table-title{display:flex;align-items:center;gap:8px;font-weight:600}.table-wrapper{overflow-x:auto;max-height:300px;overflow-y:auto}.data-table{width:100%;border-collapse:collapse;font-size:0.8rem}.data-table th,.data-table td{padding:10px 12px;text-align:center;border-bottom:1px solid var(--gray-100)}.data-table th{background:var(--gray-50);font-weight:600;position:sticky;top:0}.data-table tr:hover td{background:var(--gray-50)}.algorithm-card{background:var(--gray-50);border-radius:20px;padding:20px}.algorithm-header{display:flex;align-items:center;gap:8px;margin-bottom:16px;font-weight:600;color:var(--gray-700)}.algorithm-content{display:grid;grid-template-columns:repeat(3, 1fr);gap:20px}.algorithm-item{background:white;border-radius:16px;padding:16px}.algorithm-item strong{display:block;margin-bottom:8px;color:#2563eb}.algorithm-item p{font-size:0.8rem;color:var(--gray-600);line-height:1.5}.algorithm-item code{background:var(--gray-100);padding:2px 6px;border-radius:6px;font-family:monospace;font-size:0.75rem}@media (max-width:1024px){.result-grid{grid-template-columns:1fr}.algorithm-content{grid-template-columns:1fr}}@media (max-width:768px){.mode-tab{min-width:auto;padding:10px 16px}.options-grid{flex-direction:column;gap:12px}.core-stats{gap:12px}.core-stat{padding:12px 20px}.result-value-group{gap:8px}.result-value{font-size:1rem}}