:root{--color-bg:#f8fafc;--color-surface:#ffffff;--color-border:#e2e8f0;--color-text-primary:#0f172a;--color-text-muted:#64748b;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-light:#eff6ff;--color-accent:#0ea5e9;--color-success:#10b981;--color-warning:#f59e0b;--color-danger:#ef4444;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.05),0 2px 4px -1px rgba(0,0,0,0.03);--shadow-lg:0 10px 15px -3px rgba(15,23,42,0.06),0 4px 6px -2px rgba(15,23,42,0.03)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--color-bg);color:var(--color-text-primary);line-height:1.5;min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}.app-container{max-width:1200px;width:100%;margin:0 auto;padding:0 1.5rem}.main-content{flex:1 1;padding:2rem 0 4rem}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease}.card:hover{border-color:#cbd5e1;box-shadow:var(--shadow-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:500;font-size:.875rem;padding:.625rem 1.25rem;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all .15s ease;white-space:nowrap}.btn-primary{background-color:var(--color-primary);color:#ffffff}.btn-primary:hover{background-color:var(--color-primary-hover)}.btn-secondary{background-color:var(--color-surface);border-color:var(--color-border);color:var(--color-text-primary)}.btn-secondary:hover{background-color:var(--color-bg);border-color:#cbd5e1}.btn-outline{border-color:var(--color-primary);color:var(--color-primary);background:transparent}.btn-outline:hover{background-color:var(--color-primary-light)}.badge{display:inline-flex;align-items:center;padding:.25rem .625rem;font-size:.75rem;font-weight:600;border-radius:9999px;text-transform:uppercase;letter-spacing:.025em}.badge-primary{background:var(--color-primary-light);color:var(--color-primary)}.badge-success{background:#ecfdf5;color:var(--color-success)}.badge-warning{background:#fffbeb;color:var(--color-warning)}.form-group{display:flex;flex-direction:column;gap:.375rem;margin-bottom:1rem}.form-label{font-weight:500}.form-input,.form-label,.form-select{font-size:.875rem;color:var(--color-text-primary)}.form-input,.form-select{width:100%;padding:.625rem .875rem;border-radius:var(--radius-md);border:1px solid var(--color-border);background-color:var(--color-surface);outline:none;transition:border-color .15s ease,box-shadow .15s ease}.form-input:focus,.form-select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}.navbar{background:var(--color-surface);border-bottom:1px solid var(--color-border);height:64px;position:-webkit-sticky;position:sticky;top:0;z-index:40}.navbar,.navbar-inner{display:flex;align-items:center}.navbar-inner{justify-content:space-between;width:100%}.logo{gap:.625rem;font-weight:700;font-size:1.125rem;color:var(--color-text-primary)}.logo,.logo-icon{display:flex;align-items:center}.logo-icon{width:32px;height:32px;background:var(--color-primary);color:#fff;border-radius:var(--radius-sm);justify-content:center;font-size:1rem}.nav-links{display:flex;align-items:center;gap:1.5rem}.nav-link{font-size:.875rem;font-weight:500;color:var(--color-text-muted);transition:color .15s ease}.nav-link.active,.nav-link:hover{color:var(--color-primary)}.dashboard-wrapper{display:flex;min-height:calc(100vh - 64px)}.sidebar{width:260px;background:var(--color-surface);border-right:1px solid var(--color-border);padding:1.5rem 1rem;gap:1.5rem}.sidebar,.sidebar-menu{display:flex;flex-direction:column}.sidebar-menu{gap:.25rem;list-style:none}.sidebar-item{display:flex;align-items:center;gap:.75rem;padding:.625rem .875rem;font-size:.875rem;font-weight:500;color:var(--color-text-muted);border-radius:var(--radius-md);transition:all .15s ease}.sidebar-item:hover{background:var(--color-bg);color:var(--color-text-primary)}.sidebar-item.active{background:var(--color-primary-light);color:var(--color-primary)}.dashboard-main{flex:1 1;padding:2rem;overflow-y:auto}.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1.25rem;gap:1.25rem;margin-bottom:2rem}