:root{--sentinel-primary: #1a2744;--sentinel-primary-light: #4db8e8;--sentinel-primary-dark: #111b33;--sentinel-secondary: #475569;--sentinel-secondary-light: #64748b;--sentinel-success: #059669;--sentinel-warning: #d97706;--sentinel-danger: #dc2626;--sentinel-info: #0d6ebd;--sentinel-bg: #f8fafc;--sentinel-bg-dark: #111b33;--sentinel-surface: #ffffff;--sentinel-border: #e2e8f0;--sentinel-text: #1e293b;--sentinel-text-light: #64748b;--sentinel-text-muted: #94a3b8;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--sentinel-bg);color:var(--sentinel-text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{display:flex;min-height:100vh}.sidebar{width:280px;background:var(--sentinel-bg-dark);color:#fff;display:flex;flex-direction:column;position:fixed;height:100vh;overflow-y:auto;z-index:40}.sidebar-header{padding:1.25rem 1.5rem;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:.75rem}.sidebar-logo{width:40px;height:40px;display:flex;align-items:center;justify-content:center}.sidebar-title{font-size:1.25rem;font-weight:700;letter-spacing:-.025em}.sidebar-nav{flex:1;padding:1.5rem 1rem}.nav-section{margin-bottom:2rem}.nav-section-title{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--sentinel-text-muted);padding:0 .75rem;margin-bottom:.5rem}.nav-link{display:flex;align-items:center;gap:.75rem;padding:.75rem;border-radius:8px;color:#ffffffb3;text-decoration:none;transition:all .2s;margin-bottom:.25rem;font-weight:500}.nav-link:hover{background:#ffffff1a;color:#fff}.nav-link.active{background:#4db8e826;color:#4db8e8;border-left:3px solid #4db8e8}.nav-icon{width:20px;height:20px}.main-content{flex:1;margin-left:280px;display:flex;flex-direction:column}.topbar{background:var(--sentinel-surface);border-bottom:1px solid var(--sentinel-border);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:30;box-shadow:var(--shadow-sm)}.topbar-left,.topbar-right{display:flex;align-items:center;gap:1rem}.user-badge{background:linear-gradient(135deg,var(--sentinel-primary),var(--sentinel-primary-dark));color:#fff;padding:.5rem 1rem;border-radius:20px;font-size:.875rem;font-weight:600;box-shadow:var(--shadow-md)}.content-area{flex:1;padding:2rem;max-width:1600px;margin:0 auto;width:100%}.page-header{margin-bottom:2rem}.page-title{font-size:2rem;font-weight:700;color:var(--sentinel-text);margin-bottom:.5rem;display:flex;align-items:center;gap:.75rem}.page-subtitle{color:var(--sentinel-text-light);font-size:1rem}.card{background:var(--sentinel-surface);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow-md);border:1px solid var(--sentinel-border)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.card-title{font-size:1.125rem;font-weight:600;color:var(--sentinel-text)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background:var(--sentinel-surface);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow-md);border:1px solid var(--sentinel-border);border-left:4px solid var(--sentinel-primary);transition:transform .2s,box-shadow .2s}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.stat-card.success{border-left-color:var(--sentinel-success)}.stat-card.warning{border-left-color:var(--sentinel-warning)}.stat-card.danger{border-left-color:var(--sentinel-danger)}.stat-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem}.stat-label{font-size:.875rem;color:var(--sentinel-text-light);font-weight:500;text-transform:uppercase;letter-spacing:.025em}.stat-icon{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--sentinel-primary);color:#fff}.stat-value{font-size:2rem;font-weight:700;color:var(--sentinel-text);line-height:1}.stat-change{font-size:.875rem;margin-top:.5rem;display:flex;align-items:center;gap:.25rem}.stat-change.positive{color:var(--sentinel-success)}.stat-change.negative{color:var(--sentinel-danger)}.btn{padding:.75rem 1.5rem;border-radius:8px;border:none;font-weight:600;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;font-size:.875rem}.btn-primary{background:var(--sentinel-primary);color:#fff}.btn-primary:hover{background:var(--sentinel-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--sentinel-secondary);color:#fff}.btn-secondary:hover{background:var(--sentinel-secondary-light)}.btn-danger{background:var(--sentinel-danger);color:#fff}.btn-danger:hover{background:#b91c1c}.btn-outline{background:transparent;border:2px solid var(--sentinel-border);color:var(--sentinel-text)}.btn-outline:hover{border-color:var(--sentinel-primary);background:var(--sentinel-bg)}.badge{display:inline-flex;align-items:center;gap:.25rem;padding:.375rem .75rem;border-radius:6px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.025em}.badge-success{background:#0596691a;color:var(--sentinel-success)}.badge-warning{background:#d977061a;color:var(--sentinel-warning)}.badge-danger{background:#dc26261a;color:var(--sentinel-danger)}.badge-info{background:#0284c71a;color:var(--sentinel-info)}.badge-neutral{background:#64748b1a;color:var(--sentinel-secondary)}.table-container{overflow-x:auto;border-radius:12px;border:1px solid var(--sentinel-border)}table{width:100%;border-collapse:collapse;background:var(--sentinel-surface)}thead{background:var(--sentinel-bg);border-bottom:2px solid var(--sentinel-border)}th{padding:1rem;text-align:left;font-weight:600;font-size:.875rem;color:var(--sentinel-text);text-transform:uppercase;letter-spacing:.025em}td{padding:1rem;border-bottom:1px solid var(--sentinel-border)}tr:last-child td{border-bottom:none}tr:hover{background:var(--sentinel-bg)}.spinner{border:3px solid var(--sentinel-border);border-top:3px solid var(--sentinel-primary);border-radius:50%;width:40px;height:40px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-container{display:flex;justify-content:center;align-items:center;min-height:400px}.empty-state{text-align:center;padding:4rem 2rem}.empty-state-icon{width:64px;height:64px;margin:0 auto 1.5rem;color:var(--sentinel-text-muted)}.empty-state-title{font-size:1.25rem;font-weight:600;color:var(--sentinel-text);margin-bottom:.5rem}.empty-state-description{color:var(--sentinel-text-light);margin-bottom:1.5rem}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:50;padding:1rem}.modal{background:var(--sentinel-surface);border-radius:12px;max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl)}.modal-header{padding:1.5rem;border-bottom:1px solid var(--sentinel-border)}.modal-title{font-size:1.5rem;font-weight:700;color:var(--sentinel-text)}.modal-body{padding:1.5rem}.modal-footer{padding:1.5rem;border-top:1px solid var(--sentinel-border);display:flex;gap:1rem;justify-content:flex-end}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--sentinel-text);font-size:.875rem}.form-input,.form-select,.form-textarea{width:100%;padding:.75rem;border:2px solid var(--sentinel-border);border-radius:8px;font-size:.875rem;transition:border-color .2s;background:var(--sentinel-surface);color:var(--sentinel-text);font-family:inherit}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--sentinel-primary)}.form-textarea{resize:vertical;min-height:100px}@media (max-width: 1024px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}}@media (max-width: 768px){.stats-grid{grid-template-columns:1fr}.content-area,.topbar{padding:1rem}}.text-center{text-align:center}.mt-4{margin-top:1rem}.mb-4{margin-bottom:1rem}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-4{gap:1rem}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}