*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;background-color:var(--app-bg);color:var(--app-text)}#root{min-height:100vh}.app-shell{min-height:100vh;display:flex;flex-direction:column;background-color:var(--app-bg)}.app-header{position:sticky;top:0;z-index:100;background:var(--app-surface);border-bottom:1px solid var(--app-border)}.app-header-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;max-width:1440px;margin:0 auto;height:64px;padding:0 40px}.header-brand{display:flex;align-items:center;flex-shrink:0}.header-brand img{display:block;height:32px;width:auto}.header-nav{display:flex;align-items:stretch;gap:4px;flex:1;min-width:0;overflow:hidden}.header-nav-link{position:relative;display:inline-flex;align-items:center;height:64px;padding:0 12px;color:var(--app-text-secondary);font-size:14px;white-space:nowrap;flex-shrink:0;transition:color .2s}.header-nav-link:hover{color:var(--app-accent)}.header-nav-link.is-active{color:var(--app-accent);font-weight:500}.header-nav-link.is-active:after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--app-accent);border-radius:1px}.header-nav-more{cursor:pointer;flex-shrink:0}.header-nav-more-caret{font-size:10px;margin-inline-start:2px}.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:auto}.header-login{padding:0 12px;color:var(--app-text);font-size:14px;line-height:36px}.header-login:hover{color:var(--app-accent)}.header-signup{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 20px;border-radius:8px;background:var(--app-accent);color:#fff;font-size:14px;font-weight:500;line-height:1}.header-signup:hover{background:var(--app-accent-hover);color:#fff}.header-user-trigger{cursor:pointer;color:var(--app-text)}.user-inline-name{color:var(--app-text)}.user-inline-name:hover{color:var(--app-accent)}.app-content{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:24px 16px 48px}.app-footer{background:var(--app-surface);border-top:1px solid var(--app-border)}.app-footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:1440px;margin:0 auto;padding:18px 40px}.footer-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:flex-end}.footer-links{display:flex;align-items:center;gap:20px}.footer-links a,.footer-theme-trigger{color:var(--app-text-muted);font-size:13px;white-space:nowrap}.footer-links a:hover,.footer-theme-trigger:hover{color:var(--app-accent)}.footer-theme-trigger{cursor:pointer}.footer-copy{color:var(--app-text-muted);font-size:13px;white-space:nowrap}.footer-copy a{color:inherit}.footer-copy a:hover{color:var(--app-accent)}html.theme--dark .header-brand img{box-sizing:content-box;background-color:#fff;border-radius:8px;padding:4px 8px}@media (max-width: 768px){.app-header-inner,.app-footer-inner{padding-left:16px;padding-right:16px}.app-header-inner{gap:12px}.app-footer-inner{flex-direction:column;align-items:flex-start;padding-top:20px;padding-bottom:20px}.footer-meta{justify-content:flex-start}.footer-links{flex-wrap:wrap;gap:12px 16px}}