:root{--primary-color:#2563eb;--primary-hover:#1d4ed8;--secondary-color:#64748b;--success-color:#059669;--warning-color:#d97706;--error-color:#dc2626;--background-color:#f8fafc;--card-background:#fff;--border-color:#e2e8f0;--text-primary:#1e293b;--text-secondary:#64748b;--shadow:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px -1px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1)}*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--background-color);color:var(--text-primary)}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.nav{background:var(--card-background);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow)}.nav-content{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}.nav-brand{font-size:1.5rem;font-weight:700;color:var(--primary-color)}.nav-links{display:flex;gap:2rem;list-style:none}.nav-link{color:var(--text-secondary);font-weight:500;transition:color .2s}.nav-link.active,.nav-link:hover{color:var(--primary-color)}.sidebar{width:280px;background:var(--card-background);border-right:1px solid var(--border-color);height:calc(100vh - 80px);position:fixed;left:0;top:80px;overflow-y:auto;padding:1.5rem 0}.sidebar-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.5rem;color:var(--text-secondary);transition:all .2s}.sidebar-item:hover{background:var(--background-color);color:var(--primary-color)}.sidebar-item.active{background:var(--primary-color);color:#fff}.main-content{margin-left:280px;padding:2rem;min-height:calc(100vh - 80px)}.card{background:var(--card-background);border:1px solid var(--border-color);border-radius:.5rem;padding:1.5rem;box-shadow:var(--shadow)}.card-header{margin-bottom:1rem}.card-title{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:1rem;gap:1rem;margin-bottom:2rem}.kpi-card{background:var(--card-background);border:1px solid var(--border-color);border-radius:.5rem;padding:1.5rem;text-align:center;box-shadow:var(--shadow);transition:transform .2s}.kpi-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.kpi-label{font-size:.875rem;color:var(--text-secondary);margin-bottom:.5rem}.kpi-value{font-size:2rem;font-weight:700;color:var(--primary-color)}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border:none;border-radius:.375rem;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--secondary-color);color:#fff}.btn-secondary:hover{background:#475569}.status-success{color:var(--success-color)}.status-warning{color:var(--warning-color)}.status-error{color:var(--error-color)}.alert-banner{background:#fef2f2;border:1px solid #fecaca;border-radius:.5rem;padding:1rem;margin:1rem 0}.alert-banner.warning{background:#fffbeb;border-color:#fed7aa}.alert-banner.success{background:#f0fdf4;border-color:#bbf7d0}.table{width:100%;border-collapse:collapse;margin-top:1rem}.table td,.table th{padding:.75rem;text-align:left;border-bottom:1px solid var(--border-color)}.table th{background:var(--background-color);font-weight:600;color:var(--text-primary)}@media (max-width:768px){.sidebar{transform:translateX(-100%);transition:transform .3s}.main-content{margin-left:0}.kpi-grid{grid-template-columns:1fr}}