:root{--black:#000;--violet:#7d39eb;--lime:#c6ff33;--white:#fff;--bg:#fff;--surface:#fff;--surface2:#f6f6f6;--line:#e5e5e5;--text:#111;--muted:#6b7280;--neutral:#ececec;--red:#ff5d5d;--shadow:0 18px 55px rgba(0,0,0,.08)}html[data-theme=dark]{--bg:#000;--surface:#0d0d0d;--surface2:#151515;--line:#2a2a2a;--text:#fff;--muted:#9ca3af;--neutral:#292929;--shadow:0 18px 55px rgba(0,0,0,.4)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Tahoma,Arial,sans-serif;transition:.25s}button,input,textarea,select{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;display:grid;grid-template-columns:240px minmax(0,1fr);background:var(--bg)}.sidebar{position:sticky;top:0;height:100vh;padding:22px;background:var(--surface);border-inline-end:1px solid var(--line);display:flex;flex-direction:column;z-index:20}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--lime);color:#000;font-size:22px;font-weight:900}.brand strong,.brand span{display:block}.brand span{font-size:11px;color:var(--muted);margin-top:3px}.sidebar nav{display:grid;gap:6px;margin-top:30px}.sidebar nav a,.sidebar nav button{border:0;background:transparent;color:var(--muted);text-decoration:none;display:flex;align-items:center;gap:10px;padding:12px;border-radius:12px;font-weight:800;text-align:start}.sidebar nav a:hover,.sidebar nav a.active,.sidebar nav button:hover{background:color-mix(in srgb,var(--violet) 15%,transparent);color:var(--text)}.sidebar-summary{margin-top:auto;border:1px solid var(--line);background:var(--surface2);border-radius:18px;padding:15px}.sidebar-summary span,.sidebar-summary strong{display:block}.sidebar-summary 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