:root{--primary: #4f46e5;--primary-hover: #4338ca;--secondary: #64748b;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-dark: #1e293b;--text-primary: #1e293b;--text-secondary: #64748b;--border: #e2e8f0;--shadow: 0 1px 3px 0 rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.layout{display:flex;min-height:100vh}.sidebar{width:250px;background-color:var(--bg-dark);color:#fff;padding:1.5rem;position:fixed;height:100vh;overflow-y:auto}.sidebar-logo{font-size:1.25rem;font-weight:700;margin-bottom:2rem;display:flex;align-items:center;gap:.5rem}.sidebar-nav{display:flex;flex-direction:column;gap:.25rem}.sidebar-link{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-radius:.5rem;color:#94a3b8;transition:all .2s}.sidebar-link:hover{background-color:#ffffff1a;color:#fff;text-decoration:none}.sidebar-link.active{background-color:var(--primary);color:#fff}.main-content{flex:1;margin-left:250px;padding:2rem}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.page-title{font-size:1.5rem;font-weight:600}.card{background-color:var(--bg-secondary);border-radius:.75rem;box-shadow:var(--shadow);padding:1.5rem;margin-bottom:1.5rem}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.card-title{font-size:1.125rem;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background-color:var(--bg-secondary);border-radius:.75rem;box-shadow:var(--shadow);padding:1.5rem}.stat-value{font-size:2rem;font-weight:700;color:var(--primary)}.stat-label{color:var(--text-secondary);font-size:.875rem}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border)}th{font-weight:600;color:var(--text-secondary);font-size:.875rem;background-color:#f8fafc}tr:hover td{background-color:#f8fafc}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.5rem 1rem;border-radius:.5rem;font-weight:500;font-size:.875rem;cursor:pointer;border:none;transition:all .2s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary);color:#fff}.btn-secondary:hover:not(:disabled){background-color:#475569}.btn-success{background-color:var(--success);color:#fff}.btn-success:hover:not(:disabled){background-color:#16a34a}.btn-danger{background-color:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background-color:#dc2626}.btn-warning{background-color:var(--warning);color:#fff}.btn-warning:hover:not(:disabled){background-color:#d97706}.btn-outline{background-color:transparent;border:1px solid var(--border);color:var(--text-primary)}.btn-outline:hover:not(:disabled){background-color:#f8fafc}.btn-sm{padding:.25rem .5rem;font-size:.75rem}.btn-lg{padding:.75rem 1.5rem;font-size:1rem}.form-group{margin-bottom:1rem}.form-label{display:block;font-weight:500;margin-bottom:.25rem;font-size:.875rem}.form-input{width:100%;padding:.5rem .75rem;border:1px solid var(--border);border-radius:.5rem;font-size:.875rem;transition:border-color .2s}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.form-input:disabled{background-color:#f1f5f9;cursor:not-allowed}.form-help{font-size:.75rem;color:var(--text-secondary);margin-top:.25rem}.form-error{font-size:.75rem;color:var(--danger);margin-top:.25rem}.badge{display:inline-flex;align-items:center;padding:.25rem .5rem;border-radius:9999px;font-size:.75rem;font-weight:500}.badge-success{background-color:#dcfce7;color:#166534}.badge-warning{background-color:#fef3c7;color:#92400e}.badge-danger{background-color:#fee2e2;color:#991b1b}.badge-info{background-color:#e0e7ff;color:#3730a3}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background-color:var(--bg-secondary);border-radius:.75rem;box-shadow:var(--shadow-lg);width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border)}.modal-title{font-size:1.125rem;font-weight:600}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-secondary)}.modal-body{padding:1.5rem}.modal-footer{display:flex;justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem;border-top:1px solid var(--border)}.alert{padding:1rem;border-radius:.5rem;margin-bottom:1rem}.alert-success{background-color:#dcfce7;color:#166534;border:1px solid #bbf7d0}.alert-warning{background-color:#fef3c7;color:#92400e;border:1px solid #fde68a}.alert-danger{background-color:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert-info{background-color:#e0e7ff;color:#3730a3;border:1px solid #c7d2fe}.loading{display:flex;align-items:center;justify-content:center;padding:3rem}.spinner{width:2rem;height:2rem;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--bg-primary)}.login-card{background-color:var(--bg-secondary);border-radius:.75rem;box-shadow:var(--shadow-lg);padding:2rem;width:100%;max-width:400px}.login-title{font-size:1.5rem;font-weight:700;text-align:center;margin-bottom:.5rem}.login-subtitle{color:var(--text-secondary);text-align:center;margin-bottom:2rem}.empty-state{text-align:center;padding:3rem;color:var(--text-secondary)}.empty-state-icon{font-size:3rem;margin-bottom:1rem}.actions{display:flex;gap:.5rem}.text-center{text-align:center}.text-right{text-align:right}.text-success{color:var(--success)}.text-warning{color:var(--warning)}.text-danger{color:var(--danger)}.text-muted{color:var(--text-secondary)}.font-mono{font-family:SF Mono,Consolas,monospace}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mb-0{margin-bottom:0}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}