.tool-container{display:flex;flex-direction:column;gap:1.5rem;margin:2rem 0;width:100%;box-sizing:border-box;max-width:100%}.tool-controls{background-color:var(--bg-secondary);padding:1.5rem;border-radius:.5rem;display:flex;flex-direction:column;gap:1rem;margin-bottom:1.5rem;width:100%;box-sizing:border-box;max-width:100%}.tool-output{background-color:var(--bg-secondary);padding:1.5rem;border-radius:.5rem;overflow-x:auto;margin-bottom:1.5rem;width:100%;border:2px solid var(--accent-color);box-shadow:0 4px 8px rgba(0,0,0,.1);box-sizing:border-box}.tool-output h3{color:var(--accent-color);margin-top:0;padding-bottom:.5rem;border-bottom:1px solid var(--accent-color)}#output{position:relative}#output::before{content:"";position:absolute;top:-12px;left:20px}.form-group{margin-bottom:1.5rem;width:100%;max-width:100%;box-sizing:border-box}.full-width{width:100%;max-width:100%;display:block;box-sizing:border-box}.form-group label{display:block;margin-bottom:.5rem;font-weight:600}.form-control{width:100%;padding:.75rem;border:1px solid var(--border-color);background-color:var(--bg-primary);color:var(--text-primary);border-radius:.25rem;font-family:inherit;font-size:1rem;box-sizing:border-box}#csvInput{width:100%!important;min-height:250px;font-family:'Courier New',monospace;white-space:pre;tab-size:4;-moz-tab-size:4;box-sizing:border-box;max-width:100%;resize:vertical;overflow-x:auto;line-height:1.5;font-size:14px;letter-spacing:-.2px;padding:12px;margin:0;display:block;flex:1 1 auto}textarea#csvInput{width:100%!important;max-width:100%!important;min-width:100%!important;box-sizing:border-box!important}.btn{padding:.75rem 1.5rem;background-color:var(--accent-color);color:#fff;border:none;border-radius:.25rem;cursor:pointer;font-weight:600;transition:background-color .2s,opacity .2s;margin-right:.5rem;margin-bottom:.5rem}.btn:hover{background-color:var(--accent-hover)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:focus,.form-control:focus{outline:2px solid var(--focus-outline-color);outline-offset:2px}.table-responsive{overflow-x:auto;max-width:100%;margin-bottom:2rem;border-radius:.25rem;box-shadow:0 2px 4px rgba(0,0,0,.05)}.tool-table{width:100%;border-collapse:separate;border-spacing:0;margin-bottom:1.5rem;text-align:left;border:1px solid var(--border-color);table-layout:auto}.tool-table td,.tool-table th{padding:.75rem;border-bottom:1px solid var(--border-color);border-right:1px solid var(--border-color);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:300px}.tool-table td{white-space:pre-wrap;word-break:break-word}.tool-table th{background-color:var(--accent-color);color:#fff;font-weight:600;position:sticky;top:0;z-index:10;cursor:pointer;user-select:none;transition:background-color .2s}.tool-table th:hover{background-color:var(--accent-hover)}.tool-table th.sort-asc,.tool-table th.sort-desc{background-color:var(--accent-hover)}.tool-table tr:nth-child(2n){background-color:var(--bg-tertiary)}.tool-table tr:hover{background-color:var(--bg-hover)}.file-input-container{position:relative;margin-bottom:1rem}.file-input{position:absolute;left:-9999px}.file-input-label{display:inline-block;padding:.5rem 1rem;background-color:var(--button-bg);color:var(--text-color);border:1px solid var(--border-color);border-radius:4px;cursor:pointer;transition:background-color .3s,border-color .3s}.file-input-label:hover{background-color:var(--button-hover-bg);border-color:var(--accent-color)}.file-name{margin-left:1rem;font-style:italic}.progress-container{width:100%;background-color:var(--progress-bg);border-radius:4px;margin:1rem 0}.progress-bar{height:10px;background-color:var(--accent-color);border-radius:4px;transition:width .3s ease}.alert{padding:1rem 1rem 1rem 1.5rem;margin-bottom:1.5rem;border-radius:.25rem;font-weight:500;box-shadow:0 2px 4px rgba(0,0,0,.1);display:flex;align-items:center;animation:fadeIn .3s ease-in-out}@keyframes fadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.alert::before{margin-right:.75rem;font-size:1.2rem}.alert-info{background-color:rgba(59,130,246,.1);border-left:4px solid #3b82f6;color:var(--text-primary)}.alert-info::before{content:"ℹ️"}.alert-success{background-color:rgba(34,197,94,.15);border-left:4px solid #22c55e;color:var(--text-primary)}.alert-success::before{content:"✅"}.alert-error{background-color:rgba(239,68,68,.15);border-left:4px solid #ef4444;color:var(--text-primary)}.alert-error::before{content:"⚠️"}.csv-examples{margin:2rem 0;padding:1.5rem;background-color:var(--bg-secondary);border-radius:.5rem}.csv-examples h3{margin-top:0;margin-bottom:1rem}.csv-examples p{margin-bottom:1rem}.csv-examples button{margin-right:.75rem;margin-top:.5rem}input[type=checkbox]{width:1.2rem;height:1.2rem;vertical-align:middle;margin-left:.5rem;accent-color:var(--accent-color)}h2,h3{margin-top:2rem;margin-bottom:1rem}hr{margin:2.5rem 0;border:0;height:1px;background-color:var(--border-color)}.accessibility-notice{font-size:.9rem;margin-top:30px;padding:15px;background-color:var(--bg-secondary);border-radius:8px}@media (max-width:768px){.tool-container{padding:0}.tool-controls,.tool-output{padding:1rem;margin-bottom:1rem}.form-group{margin-bottom:1rem}.tool-table td,.tool-table th{padding:.5rem;font-size:.9rem}#csvInput{min-height:150px}}.data-stats{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.5rem;padding:1rem;background-color:var(--bg-tertiary);border-radius:.25rem;border-left:4px solid var(--accent-color)}.stat-item{display:flex;align-items:center;padding:.5rem 1rem;background-color:var(--bg-primary);border-radius:.25rem;box-shadow:0 2px 4px rgba(0,0,0,.05)}.stat-label{font-weight:600;margin-right:.5rem;color:var(--accent-color)}.stat-value{font-size:1.1rem;font-weight:700}