:root{--color-bg:#fff;--color-surface:#fff;--color-border-subtle:#e5e7eb;--color-text:#0f172a;--color-muted:#334155;--color-primary:#2563eb;--color-primary-soft:#dbeafe;--font-sans:"Helvetica Neue",Helvetica,Arial,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-weight-base:400;--font-size-base:17px}*{box-sizing:border-box}body{font-family:var(--font-sans);font-weight:var(--font-weight-base);font-size:var(--font-size-base);background-color:var(--color-bg);color:var(--color-text);margin:0;line-height:1.45}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.app-shell{flex-direction:column;height:100dvh;display:flex}.app-header{border-bottom:1px solid var(--color-border-subtle);background-color:#fff;justify-content:space-between;align-items:center;height:64px;padding:0 24px;display:flex}.app-header-left{align-items:center;gap:24px;display:flex}.app-logo{align-items:center;gap:8px;display:flex}.app-nav{align-items:center;gap:16px;margin-left:32px;display:flex}.app-nav-link{color:var(--color-text);border-radius:999px;padding:4px 8px;font-size:14px}.app-nav-link-active{background-color:var(--color-primary-soft);color:var(--color-primary)}.app-header-right{align-items:center;gap:12px;display:flex}.app-logout-button{color:#374151;cursor:pointer;background:#f9fafb;border:1px solid #e5e7eb;border-radius:999px;padding:6px 12px;font-size:13px}.app-logout-button:hover{background:#f3f4f6}.app-logo-img{object-fit:contain;width:auto;height:48px}.app-logo-text{flex-direction:column;line-height:1.1;display:flex}.app-logo-title{font-size:14px;font-weight:700}.app-logo-subtitle{color:var(--color-muted);font-size:11px}.app-header-section{font-size:18px;font-weight:600}.app-main{flex:1;min-height:0;padding:12px 20px 24px;overflow:auto}.app-card{background-color:var(--color-surface);border:1px solid var(--color-border-subtle);border-radius:8px;padding:20px;box-shadow:0 1px 2px #0f172a14}.nexus-nav-dropdown{align-items:center;display:inline-flex;position:relative}.nexus-nav-dropdown-menu{border:1px solid var(--color-border-subtle);z-index:60;transform-origin:top;background:#fff;border-radius:10px;min-width:240px;margin-top:8px;padding:8px;animation:.14s ease-out nexusDropdownIn;position:absolute;top:100%;left:0;box-shadow:0 8px 20px #0f172a2e}@keyframes nexusDropdownIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.nexus-nav-dropdown-item{text-align:left;cursor:pointer;width:100%;color:var(--color-text);background:0 0;border:1px solid #0000;border-radius:8px;padding:10px;font-size:13px}.nexus-nav-dropdown-item:hover{border-color:var(--color-border-subtle);background:#f9fafb}