:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-card:#fff;--bg-card-hover:#eff6ff;--border:#e2e8f0;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-soft:#dbeafe;--tag-bg:#eff6ff;--tag-text:#1d4ed8;--shadow:0 1px 3px rgba(15,23,42,.06),0 1px 2px rgba(15,23,42,.04);--shadow-hover:0 10px 25px rgba(37,99,235,.12)}.app--dark{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-card:#1e293b;--bg-card-hover:#334155;--border:#334155;--text-primary:#f1f5f9;--text-secondary:#cbd5e1;--text-muted:#64748b;--accent:#60a5fa;--accent-hover:#93c5fd;--accent-soft:#1e3a8a;--tag-bg:#334155;--tag-text:#93c5fd;--shadow:0 1px 3px rgba(0,0,0,.3),0 1px 2px rgba(0,0,0,.2);--shadow-hover:0 10px 25px rgba(96,165,250,.25)}*{margin:0;padding:0;box-sizing:border-box}#app,body,html{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s}a{text-decoration:none}a,button{color:inherit}button{border:none;outline:none;cursor:pointer;background:transparent}button,input{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:100;background:hsla(0,0%,100%,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);box-shadow:var(--shadow);transition:background-color .3s,border-color .3s}.app--dark .app-header{background:rgba(15,23,42,.85)}.app-header__inner{max-width:1280px;margin:0 auto;padding:16px 24px;gap:24px}.app-header__inner,.app-logo{display:flex;align-items:center}.app-logo{gap:8px;font-size:20px;font-weight:700;color:var(--text-primary)}.app-logo__icon{font-size:24px}.app-nav{display:flex}.app-nav,.app-nav__link{gap:4px;align-items:center}.app-nav__link{padding:8px 16px;border-radius:8px;color:var(--text-secondary);font-size:14px;font-weight:500;transition:all .2s;display:inline-flex}.app-nav__link.is-active,.app-nav__link:hover{color:var(--accent);background:var(--accent-soft)}.app-nav__trigger{cursor:pointer}.caret{font-size:10px;transition:transform .2s}.caret--open{transform:rotate(180deg)}.app-nav__dropdown{position:relative}.dropdown-panel{position:absolute;top:calc(100% + 6px);left:0;min-width:220px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-hover);padding:6px;z-index:200;display:flex;flex-direction:column;gap:2px}.dropdown-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;color:var(--text-primary);font-size:14px;transition:background-color .15s}.dropdown-item:hover{background:var(--bg-card-hover)}.dropdown-item__icon{font-size:20px}.dropdown-item__body{display:flex;align-items:center;gap:8px;flex:1}.dropdown-item__name{flex:1}.dropdown-item__count{padding:2px 8px;background:var(--accent-soft);color:var(--accent);border-radius:999px;font-size:11px;font-weight:500}.app-header__right{margin-left:auto;display:flex;align-items:center;gap:12px}.kbd-hint{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--text-muted)}.kbd-hint kbd{padding:2px 6px;border:1px solid var(--border);border-radius:4px;font-family:monospace;font-size:11px;color:var(--text-secondary)}.kbd-hint kbd,.theme-toggle{background:var(--bg-primary)}.theme-toggle{width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-size:18px;border-radius:8px;border:1px solid var(--border);transition:all .2s}.theme-toggle:hover{border-color:var(--accent);background:var(--accent-soft)}.app-header__stats{display:flex;gap:8px}.stat-pill{padding:4px 12px;background:var(--bg-primary);border:1px solid var(--border);border-radius:999px;font-size:12px;color:var(--accent);font-weight:500}.app-main{flex:1;max-width:1280px;width:100%;margin:0 auto;padding:32px 24px}.app-footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:24px 0;margin-top:48px;color:var(--text-muted)}.app-footer__inner{max-width:1280px;margin:0 auto;padding:0 24px;text-align:center;color:var(--text-muted);font-size:13px;display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap}.app-footer__sep{opacity:.5}.fade-enter-active,.fade-leave-active{transition:opacity .2s ease}.fade-enter-from,.fade-leave-to{opacity:0}@media(max-width:768px){.app-header__inner{padding:12px 16px;gap:12px;flex-wrap:wrap}.app-logo{font-size:18px}.app-header__stats,.kbd-hint{display:none}.app-main{padding:16px}.dropdown-panel{left:-60px}}