:root{--bg:#0f172a;--surface:#1e293b;--surface2:#273449;--border:#334155;--text:#e2e8f0;--muted:#94a3b8;--accent:#3b82f6;--sidebar-w:216px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:Inter,system-ui,sans-serif}a{color:inherit;text-decoration:none}.app{min-height:100vh}.app.with-sidebar .page{margin-left:var(--sidebar-w)}.sidebar{width:var(--sidebar-w);z-index:60;background:var(--surface);border-right:1px solid var(--border);flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}.brand{border-bottom:1px solid var(--border);align-items:center;gap:.5rem;padding:1rem .9rem;display:flex}.brand-mark{font-size:1.2rem}.brand-text{letter-spacing:.01em;font-size:1rem;font-weight:700}.brand .close{color:var(--muted);cursor:pointer;background:0 0;border:none;margin-left:auto;font-size:1rem;display:none}.nav{flex:1;padding:.7rem .55rem}.group+.group{margin-top:1.1rem}.group-title{text-transform:uppercase;letter-spacing:.09em;color:var(--muted);opacity:.75;padding:0 .55rem .35rem;font-size:.65rem;font-weight:700}.item{color:var(--muted);border-radius:7px;align-items:center;gap:.55rem;padding:.42rem .55rem;font-size:.85rem;font-weight:500;transition:background .12s,color .12s;display:flex}.item .icon{text-align:center;flex-shrink:0;width:1.15rem;font-size:.9rem}.item:hover{background:var(--surface2);color:var(--text)}.item.router-link-active{background:var(--accent);color:#fff}.user-area{border-top:1px solid var(--border);background:var(--surface);align-items:center;gap:.5rem;padding:.7rem .9rem;display:flex}.username{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:.8rem;overflow:hidden}.btn-logout{border:1px solid var(--border);color:var(--muted);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;margin-left:auto;padding:.28rem .55rem;font-size:.75rem;transition:all .15s}.btn-logout:hover{border-color:var(--accent);color:var(--text)}.menu-toggle{z-index:70;background:var(--surface);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:8px;width:36px;height:36px;font-size:1rem;display:none;position:fixed;top:.6rem;left:.6rem}.backdrop{z-index:55;background:#00000080;display:none;position:fixed;inset:0}.page{padding:1rem 1.2rem 3rem}.page.with-public-bar{padding-top:.8rem}.public-bar{background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:.5rem;padding:.7rem 1.2rem;display:flex}.public-bar .brand-text{font-size:1rem;font-weight:700}.public-bar .login-link{margin-left:auto;text-decoration:none}@media (width<=900px){.app.with-sidebar .page{margin-left:0;padding-top:3.2rem}.sidebar{transition:transform .18s;transform:translate(-100%);box-shadow:0 0 30px #00000080}.sidebar.open{transform:none}.brand .close,.menu-toggle,.backdrop{display:block}}.btn{cursor:pointer;border:none;border-radius:6px;padding:.4rem .8rem;font-size:.82rem;font-weight:600;transition:filter .15s}.btn:hover{filter:brightness(1.2)}.btn-primary{background:var(--accent);color:#fff}.btn-success{color:#fff;background:#10b981}.btn-danger{color:#fff;background:#ef4444}.btn-ghost{background:var(--border);color:var(--text)}.btn-ghost:hover{background:#475569}