:root{--primary:#2563eb;--primary-hover:#1d4ed8;--bg-color:#f8fafc;--card-bg:#fff;--text-main:#0f172a;--text-muted:#64748b;--border-color:#e2e8f0;--success:#10b981;--danger:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:2rem}.card{background:var(--card-bg);border-radius:12px;margin-bottom:1.5rem;padding:1.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a}.title{color:var(--text-main);margin-bottom:1.5rem;font-size:1.875rem;font-weight:700}.btn{cursor:pointer;border:none;border-radius:6px;justify-content:center;align-items:center;padding:.5rem 1rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.form-group{margin-bottom:1rem}.form-label{margin-bottom:.5rem;font-weight:500;display:block}.form-control{border:1px solid var(--border-color);border-radius:6px;width:100%;padding:.5rem .75rem;font-family:inherit;font-size:1rem}.form-control:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--border-color);padding:.75rem 1rem}.table th{color:var(--text-muted);background-color:#f1f5f9;font-weight:600}.navbar{border-bottom:1px solid var(--border-color);gap:1rem;margin-bottom:2rem;padding-bottom:1rem;display:flex}.nav-item{border-radius:6px;padding:.5rem 1rem;font-weight:500}.nav-item:hover{background-color:#f1f5f9}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}.table-responsive{-webkit-overflow-scrolling:touch;width:100%;overflow-x:auto}@media (max-width:768px){.table-responsive{overflow-x:visible}.table,.table tbody,.table tr,.table td{width:100%;display:block}.table thead{display:none}.table tr{border:1px solid var(--border-color);background:#fff;border-radius:8px;margin-bottom:1rem;padding:.5rem}.table td{border-bottom:none;flex-direction:column;padding:.5rem;display:flex}.table td:before{content:attr(data-label);color:var(--text-muted);margin-bottom:.25rem;font-size:.875rem;font-weight:600}.table td:empty{display:none}}.grid-responsive-2,.grid-responsive-4,.grid-responsive-3{grid-template-columns:1fr;gap:1rem;display:grid}@media (min-width:768px){.grid-responsive-2{grid-template-columns:1fr 1fr}.grid-responsive-3{grid-template-columns:1fr 1fr 2fr}.grid-responsive-4{grid-template-columns:1fr 1fr 1fr 1fr}}@media (max-width:768px){.container{padding:1rem}.navbar{white-space:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:.5rem;overflow-x:auto}.title{font-size:1.5rem}}