:root,[data-theme=light]{--app-bg:linear-gradient(180deg,#e8f4fc,#f0f7ff 50%,#fff);--app-text:#1a1a2e;--app-text-muted:#5a6c7d;--sidebar-bg:#e8ecf0;--sidebar-border:#d1d5db;--sidebar-header-bg:#fff;--sidebar-nav-bg:#0b68a5;--sidebar-nav-item-active-bg:#e5e7eb;--sidebar-nav-item-active-text:#111827;--section-bg:#fff;--section-border:#d0e3f0;--input-bg:#fff;--input-border:#c5d9e8;--primary:#1e5a8e;--primary-text:#fff}body{margin:0;min-height:100vh;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--app-bg);color:var(--app-text)}.app-layout{display:flex;min-height:100vh;overflow:visible}.app-sidebar{flex-shrink:0;min-width:64px;background:var(--sidebar-bg);border-right:1px solid var(--sidebar-border)}.app-content{color:var(--app-text);width:100%;overflow-x:auto}@media (max-width:768px){.app-sidebar{position:fixed;top:0;left:0;height:100vh;z-index:1000;transform:translateX(-100%);transition:transform .25s ease}.app-sidebar.mobile-open{transform:translateX(0)}.app-content{padding-top:56px}.mobile-menu-btn{display:flex!important;position:fixed;top:.5rem;left:.5rem;z-index:998;width:44px;height:44px;align-items:center;justify-content:center;border-radius:8px;background:var(--sidebar-header-bg);border:1px solid var(--sidebar-border);cursor:pointer}}.mobile-menu-btn,.mobile-overlay{display:none}.mobile-overlay.show{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:999}