:root{--color-primary:#2563eb;--color-background:#f5f7fa;--color-surface:#fff;--color-text:#1f2937;--color-text-muted:#6b7280;--color-border:#e5e7eb;--color-sidebar:#111827;--color-sidebar-text:#fff;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--header-height:64px;--sidebar-width:240px;--button-height:40px;--container-width:1200px;--container-width-wide:1400px;--container-width-narrow:800px;--card-padding:24px;--card-shadow:0 1px 3px #00000014}*,:before,:after{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{margin:0}button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}ul,ol{margin:0;padding:0;list-style:none}body{background:var(--color-background);color:var(--color-text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}h1,h2,h3,h4,h5,h6,p{margin-top:0}.app-layout{min-height:100vh;display:flex}.app-main{flex-direction:column;flex:1;min-width:0;display:flex}.app-content{padding:var(--spacing-lg);flex:1}.app-sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);min-height:100vh;padding:var(--spacing-lg) var(--spacing-md);background:var(--color-sidebar);color:var(--color-sidebar-text)}.sidebar-header{justify-content:space-between;align-items:center;display:flex}.app-sidebar h2{margin:0 0 var(--spacing-xl);padding:0 var(--spacing-sm);font-size:24px;font-weight:700}.app-sidebar nav{gap:var(--spacing-lg);flex-direction:column;display:flex}.app-sidebar nav>div{gap:var(--spacing-sm);flex-direction:column;display:flex}.app-sidebar h3{padding:0 var(--spacing-sm);text-transform:uppercase;letter-spacing:.08em;opacity:.55;margin:0;font-size:12px;font-weight:600}.app-sidebar ul{gap:var(--spacing-xs);flex-direction:column;display:flex}.app-sidebar li a{border-radius:var(--radius-md);padding:10px 12px;font-size:14px;font-weight:500;transition:background-color .15s,color .15s;display:block}.app-sidebar li a:hover{background:#ffffff14}.app-sidebar li a.active{background:#ffffff24;font-weight:600}.sidebar-close{border-radius:var(--radius-sm);color:var(--color-sidebar-text);cursor:pointer;background:0 0;border:0;font-size:28px;line-height:1;display:none}.sidebar-overlay{display:none}.app-header{height:var(--header-height);padding:0 var(--spacing-lg);background:var(--color-surface);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;display:flex}.header-left{align-items:center;gap:var(--spacing-sm);display:flex}.header-title{align-items:center;display:flex}.app-header h1{margin:0;font-size:20px;font-weight:600}.menu-button{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);width:40px;height:40px;color:var(--color-text);cursor:pointer;font-size:20px;display:none}.user-menu{align-items:center;gap:var(--spacing-md);display:flex}.user-info{flex-direction:column;align-items:flex-end;gap:2px;display:flex}.user-name{font-size:14px;font-weight:600}.user-email{color:var(--color-text-muted);font-size:12px}.logout-button{padding:var(--spacing-sm) 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);cursor:pointer;font-size:13px;font-weight:500}@media (width<=900px){.app-sidebar{width:200px;min-width:200px}.app-header{padding:0 16px}.app-content{padding:20px}}@media (width<=700px){.app-sidebar{z-index:1000;width:var(--sidebar-width);min-width:var(--sidebar-width);height:100vh;min-height:100vh;transition:transform .2s;position:fixed;top:0;left:0;transform:translate(-100%)}.app-sidebar.open{transform:translate(0)}.sidebar-close{display:block}.sidebar-overlay{z-index:999;background:#0006;display:block;position:fixed;inset:0}.menu-button{display:block}.app-header{height:auto;min-height:64px;padding:12px 16px}.header-title h1{font-size:18px}.user-menu{gap:10px}.user-email{display:none}.app-content{padding:16px}}@media (width<=480px){.app-header{flex-direction:column;align-items:flex-start;gap:12px}.user-menu{justify-content:space-between;width:100%}.user-info{align-items:flex-start}.app-content{padding:12px}}.ui-button{min-height:var(--button-height);padding:0 var(--spacing-md);border-radius:var(--radius-md);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;font-size:14px;font-weight:600;transition:background-color .15s,border-color .15s,color .15s,opacity .15s;display:inline-flex}.ui-button:disabled{opacity:.6;cursor:not-allowed}.ui-button-primary{background:var(--color-primary);color:#fff}.ui-button-primary:hover:not(:disabled){opacity:.9}.ui-button-secondary{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}.ui-button-secondary:hover:not(:disabled){background:var(--color-background)}.ui-card{padding:var(--card-padding);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--card-shadow)}.ui-container{width:100%;max-width:var(--container-width);margin-left:auto;margin-right:auto}.ui-container-wide{max-width:var(--container-width-wide)}.ui-container-narrow{max-width:var(--container-width-narrow)}.ui-stat-card-content{gap:var(--spacing-xs);flex-direction:column;display:flex}.ui-stat-card-label{color:var(--color-text-muted);font-size:13px;font-weight:500}.ui-stat-card-value{margin:0;font-size:28px;font-weight:700}.ui-page-header{justify-content:space-between;align-items:center;gap:var(--spacing-md);display:flex}.ui-page-header-content{min-width:0}.ui-page-header-title{margin:0;font-size:24px;font-weight:700}.ui-page-header-description{margin:var(--spacing-xs) 0 0;color:var(--color-text-muted);font-size:14px}.ui-page-header-actions{align-items:center;gap:var(--spacing-sm);flex-wrap:wrap;display:flex}@media (width<=700px){.ui-page-header{flex-direction:column;align-items:flex-start}.ui-page-header-actions{width:100%}}.dashboard{gap:var(--spacing-lg);flex-direction:column;display:flex}.dashboard-welcome{gap:var(--spacing-sm);flex-direction:column;display:flex}.dashboard-welcome-title{margin:0;font-size:20px;font-weight:600}.dashboard-welcome-text{color:var(--color-text-muted);margin:0}.dashboard-stats{gap:var(--spacing-md);grid-template-columns:repeat(3,1fr);display:grid}.dashboard-actions{gap:var(--spacing-sm);flex-wrap:wrap;display:flex}.dashboard-section-title{margin:0 0 var(--spacing-md);font-size:18px;font-weight:600}@media (width<=700px){.dashboard-stats{grid-template-columns:1fr}}