:root{color-scheme:light;--bg:#f8fafc;--panel:#fff;--panel-soft:#f8fafc;--text:#0f172a;--muted:#64748b;--accent:#25d366;--accent-soft:rgba(37,211,102,.12);--border:#e2e8f0;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 10px 15px -3px rgba(0,0,0,.08),0 4px 6px -4px rgba(0,0,0,.08)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,Arial,Helvetica,sans-serif}button,input,select,textarea{font:inherit}a{color:var(--accent);text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:260px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;height:100vh;overflow-y:auto;border-right:1px solid var(--border);background:var(--panel);padding:24px 16px;box-shadow:var(--shadow-sm)}.sidebar-header{display:flex;align-items:center;gap:.75rem;padding:1.5rem;border-bottom:1px solid var(--border);min-height:72px;margin:-24px -16px 0}.sidebar-logo{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:linear-gradient(135deg,#25d366,#1da851);color:#fff;font-size:12px;font-weight:800}.sidebar-brand{display:flex;flex-direction:column;overflow:hidden;white-space:nowrap}.brand-name{font-size:1.125rem;font-weight:800;color:var(--text);letter-spacing:-.01em}.brand-version{font-size:.625rem;font-weight:500;letter-spacing:.02em;color:var(--muted);opacity:.7;margin-top:1px}.sidebar-nav{flex:1 1;padding:1rem .75rem;display:flex;flex-direction:column;gap:.25rem;overflow-y:auto}.sidebar-meta{display:grid;grid-gap:4px;gap:4px;margin-bottom:16px}.compact-meta{padding:.75rem .75rem 0}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.7rem 1rem;color:var(--muted);font-weight:500;border:1px solid transparent;border-radius:10px;white-space:nowrap;overflow:hidden;transition:all .2s}.nav-item:hover{background:var(--panel-soft);color:var(--text);text-decoration:none}.nav-item.active-nav{color:var(--accent);background:var(--accent-soft);border-color:rgba(37,211,102,.2)}.logout-btn{padding:.6rem .9rem;border:1px solid var(--border);border-radius:10px;background:transparent;color:var(--muted);cursor:pointer;width:100%;transition:all .2s;text-align:left;font-weight:500}.logout-btn:hover{background:var(--panel-soft);color:var(--text)}.forbidden-panel{border-color:rgba(231,76,60,.35)}.content{flex:1 1;margin-left:260px;padding:32px;display:flex;flex-direction:column;min-height:0}.panel{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:var(--shadow-sm)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:16px;gap:16px}.eyebrow{color:var(--accent);font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:700}.muted{color:var(--muted)}.hero-badge{padding:8px 14px;border-radius:999px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;border:1px solid var(--border)}.hero-badge-online{background:rgba(37,211,102,.1);color:var(--accent);border-color:rgba(37,211,102,.22)}.hero-badge-offline{background:rgba(148,163,184,.12);color:var(--muted)}.sidebar-footer{padding:.75rem;display:flex;flex-direction:column;gap:.5rem;border-top:1px solid var(--border)}.sidebar-footer-card{display:flex;flex-direction:column;gap:.2rem;padding:.6rem .9rem;border:1px solid var(--border);border-radius:10px;background:var(--panel-soft)}.sidebar-footer-card strong{font-size:.875rem}@media (max-width:860px){.app-shell{display:block}.sidebar{position:static;width:auto;border-bottom:1px solid var(--border);border-right:0}.sidebar-header{margin:-24px -16px 0}.content{margin-left:0;padding:20px}}