:root{--primary-color: #2563eb;--secondary-color: #64748b;--bg-color: #f8fafc;--text-color: #1e293b;--card-bg: #ffffff;--border-color: #e2e8f0;--danger-color: #ef4444;--success-color: #22c55e}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.5}.container{max-width:800px;margin:0 auto;padding:1rem}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse;margin-bottom:1rem}th,td{padding:.75rem;text-align:left;border-bottom:1px solid var(--border-color)}@media (max-width: 600px){.responsive-table thead{display:none}.responsive-table tr{display:block;margin-bottom:1rem;border:1px solid var(--border-color);border-radius:8px;background:var(--card-bg);padding:.5rem}.responsive-table td{display:flex;justify-content:space-between;border-bottom:none;padding:.25rem .5rem}.responsive-table td:before{content:attr(data-label);font-weight:700;color:var(--secondary-color)}}button{padding:.5rem 1rem;border-radius:4px;border:none;cursor:pointer;font-weight:500;transition:opacity .2s}button:hover{opacity:.9}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-secondary{background-color:var(--secondary-color);color:#fff}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:1rem;z-index:1000}.modal-content{background:#fff;padding:1.5rem;border-radius:8px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto}