:root{--primary-color:#3b82f6;--primary-hover:#2563eb;--bg-color:#f3f4f6;--text-color:#1f2937;--card-bg:#fff;--border-color:#e5e7eb;--danger-color:#ef4444;--success-color:#22c55e}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:2rem}.navbar{background:#fff;margin-bottom:2rem;padding:1rem 0;box-shadow:0 1px 3px #0000001a}.nav-container{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 2rem;display:flex}.brand{color:var(--primary-color);font-size:1.25rem;font-weight:700;text-decoration:none}.nav-links{gap:2rem;display:flex}.nav-link{color:var(--text-color);font-weight:500;text-decoration:none;transition:color .2s}.nav-link:hover,.nav-link.active{color:var(--primary-color)}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem;display:grid}.stat-card{text-align:center;background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 4px #0000000d}.stat-value{color:var(--primary-color);margin-top:.5rem;font-size:2rem;font-weight:700}.stat-label{color:#6b7280;text-transform:uppercase;letter-spacing:.05em;font-size:.875rem}.btn{cursor:pointer;border:none;border-radius:6px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-secondary{border:1px solid var(--border-color);color:var(--text-color);background-color:#fff}.form-group{margin-bottom:1rem}.form-label{color:#374151;margin-bottom:.5rem;font-weight:500;display:block}.form-input{border:1px solid var(--border-color);border-radius:6px;width:100%;min-height:44px;padding:.75rem 1rem;font-size:1rem}.form-input:focus{outline:2px solid var(--primary-color);border-color:#0000}.table-container{background:#fff;border-radius:8px;overflow-x:auto;box-shadow:0 1px 3px #0000001a}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--border-color);padding:1rem}.table th{color:#374151;background-color:#f9fafb;font-weight:600}.table tr:last-child td{border-bottom:none}.modal-overlay{z-index:50;background-color:#00000080;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.modal-content{background:#fff;border-radius:8px;width:100%;max-width:500px;max-height:90vh;padding:2rem;position:relative;overflow-y:auto;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.modal-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.close-btn{cursor:pointer;color:#6b7280;background:0 0;border:none;font-size:1.5rem}.card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 1px 3px #0000001a}@media (width<=768px){.container{padding:1rem}.nav-container{gap:1rem;padding:0 1rem}.brand{font-size:1rem;display:none}.nav-links{flex-flow:row;justify-content:center;gap:.5rem;width:100%;display:flex}.nav-link{text-align:center;flex:1;min-width:120px;padding:.5rem 1rem;font-size:.875rem}.stats-grid{grid-template-columns:1fr;gap:1rem}.stat-card{padding:1rem}.stat-value{font-size:1.5rem}.table th,.table td{white-space:nowrap;padding:.5rem;font-size:.875rem}.table th:first-child,.table td:first-child{display:none}.modal-content{max-width:95%;margin:0 .5rem;padding:1.5rem}.modal-header{margin-bottom:1rem}.modal-header h2{font-size:1.25rem}.form-input,select,textarea{font-size:16px}.form-group{margin-bottom:1rem}.btn{padding:.75rem 1rem;font-size:.875rem}.card{padding:1rem}h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.1rem}.recharts-wrapper{width:100%!important}.nav-link-mobile{transition:color .2s,transform .1s}.nav-link-mobile:active{transform:scale(.95)}.nav-links{flex-direction:column;gap:.5rem}.nav-link{width:100%;min-width:unset;background:#f9fafb;border-radius:6px}.table th,.table td{padding:.4rem .25rem;font-size:.75rem}.table th:nth-child(4),.table td:nth-child(4){display:none}.table .btn{padding:.5rem;font-size:.75rem}.modal-content{padding:1rem}.btn{justify-content:center;width:100%}}