.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, #059669, #047857);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, #059669);-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, #d1fae5, #a7f3d0);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#059669;font-size:1.3rem}.core-stat-info{text-align:left}.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)}.mode-tabs{display:flex;gap:16px;margin-bottom:32px;justify-content:center}.mode-tab{background:transparent;border:none;padding:14px 24px;cursor:pointer;transition:all 0.3s;border-radius:20px;text-align:center;min-width:160px}.mode-tab i{font-size:1.3rem;color:var(--gray-400);margin-bottom:8px;display:block}.mode-tab span{display:block;font-weight:600;color:var(--gray-600);margin-bottom:4px}.mode-tab small{font-size:0.65rem;color:var(--gray-400)}.mode-tab.active{background:linear-gradient(135deg, #059669, #047857);box-shadow:0 8px 25px rgba(5,150,105,0.3)}.mode-tab.active i,.mode-tab.active span,.mode-tab.active small{color:white}.converter-card,.result-card{background:white;border-radius:24px;padding:24px;border:1px solid var(--gray-200);margin-bottom:24px}.card-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--gray-200);font-weight:600;color:var(--gray-700)}.card-header i{color:#059669;font-size:1.1rem}.numeric-input-group{display:flex;gap:24px;margin-bottom:24px;flex-wrap:wrap}.input-wrapper{flex:1;text-align:center}.input-wrapper label{display:block;font-size:0.8rem;color:var(--gray-600);margin-bottom:8px}.perm-input{width:100px;padding:12px;text-align:center;font-size:1.2rem;font-weight:600;border:2px solid var(--gray-200);border-radius:16px;background:white;transition:all 0.3s}.perm-input:focus{outline:none;border-color:#059669;box-shadow:0 0 0 3px rgba(5,150,105,0.1)}.full-number{background:linear-gradient(135deg, #f0fdf4, #dcfce7);border-radius:16px;padding:16px;text-align:center;margin-bottom:20px}.full-number span{font-size:0.9rem;color:var(--gray-600)}.full-number strong{font-size:1.8rem;font-weight:700;color:#059669;margin:0 12px;font-family:monospace}.preview-title{font-size:0.85rem;font-weight:500;margin-bottom:16px;color:var(--gray-600)}.perm-bars{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}.perm-group{text-align:center;background:var(--gray-50);border-radius:16px;padding:12px 20px}.perm-label{display:block;font-size:0.7rem;color:var(--gray-500);margin-bottom:8px}.perm-icons{display:flex;gap:8px;justify-content:center;font-family:monospace;font-size:1.1rem;font-weight:600}.perm-icons .r{color:#3b82f6}.perm-icons .w{color:#f59e0b}.perm-icons .x{color:#ef4444}.perm-icons .dash{color:var(--gray-400)}.command-box{background:#1e293b;border-radius:16px;padding:16px 20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-top:16px}.command-box code{color:#10b981;font-family:'Fira Code',monospace;font-size:1rem}.copy-btn{background:rgba(255,255,255,0.1);border:none;padding:8px 20px;border-radius:40px;color:white;cursor:pointer;transition:all 0.2s}.copy-btn:hover{background:#059669}.copy-btn-sm{background:transparent;border:1px solid var(--gray-300);padding:4px 10px;border-radius:30px;cursor:pointer;font-size:0.7rem;transition:all 0.2s}.copy-btn-sm:hover{background:#059669;border-color:#059669;color:white}.result-row{display:flex;align-items:center;gap:16px;padding:12px 0;border-bottom:1px solid var(--gray-100)}.result-row:last-child{border-bottom:none}.result-label{width:80px;font-size:0.8rem;color:var(--gray-500)}.result-value{flex:1;font-family:monospace;font-size:1rem;font-weight:600}.symbolic-selectors{display:flex;gap:32px;flex-wrap:wrap;margin-bottom:24px}.selector-group{flex:1;text-align:center}.selector-group label{display:block;font-weight:600;margin-bottom:12px;color:var(--gray-700)}.checkbox-group{display:flex;justify-content:center;gap:16px}.perm-check{display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer}.perm-check input{width:20px;height:20px;cursor:pointer;accent-color:#059669}.perm-check span{font-size:0.75rem;color:var(--gray-600)}.special-bits{display:flex;gap:24px;justify-content:center;padding:16px;background:var(--gray-50);border-radius:16px}.special-bits label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:0.85rem}.presets-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px}.preset-card{background:white;border-radius:20px;padding:20px;text-align:center;cursor:pointer;transition:all 0.3s;border:1px solid var(--gray-200);position:relative}.preset-card:hover{transform:translateY(-4px);border-color:#059669;box-shadow:0 10px 25px rgba(0,0,0,0.08)}.preset-icon{font-size:2rem;color:#059669;margin-bottom:12px}.preset-name{display:block;font-weight:700;font-size:1.1rem;margin-bottom:4px}.preset-desc{font-size:0.7rem;color:var(--gray-500)}.preset-badge{position:absolute;top:12px;right:12px;font-size:0.6rem;padding:2px 8px;border-radius:20px;background:#fef3c7;color:#92400e}.preset-badge.recommended{background:#d1fae5;color:#065f46}.info-section{margin-top:32px;background:var(--gray-50);border-radius:24px;padding:20px}.info-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:600}.info-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:12px}.info-item{background:white;border-radius:12px;padding:10px 16px;font-size:0.85rem}.info-num{display:inline-block;width:28px;height:28px;background:#059669;color:white;border-radius:8px;text-align:center;line-height:28px;font-weight:600;margin-right:10px;font-size:0.8rem}@media (max-width:900px){.presets-grid{grid-template-columns:repeat(2, 1fr)}.info-grid{grid-template-columns:repeat(2, 1fr)}.numeric-input-group{flex-direction:column;align-items:center}.symbolic-selectors{flex-direction:column}}@media (max-width:480px){.presets-grid{grid-template-columns:1fr}.info-grid{grid-template-columns:1fr}.mode-tab{min-width:auto;padding:10px 16px}.command-box{flex-direction:column;text-align:center}}