:root{--bg:#0b0d10;--surface:#14171c;--border:#242a32;--fg:#e6e9ef;--muted:#8b95a5;--accent:#5aa9e6;--danger:#e5646e;--ok:#6fcf97;--mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;--sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;background:var(--bg);color:var(--fg);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:var(--accent)}.shell{display:grid;grid-template-columns:1fr 260px;height:100vh}@media (max-width:860px){.shell{grid-template-columns:1fr;grid-template-rows:1fr auto}}.terminal-pane{min-width:0;padding:12px;background:var(--bg)}.terminal-mount{height:100%;width:100%}.sidebar{border-left:1px solid var(--border);background:var(--surface);padding:20px 18px;overflow-y:auto}@media (max-width:860px){.sidebar{border-left:none;border-top:1px solid var(--border);max-height:32vh}}.sidebar h2{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 14px;font-weight:600}.presence-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.presence-item{display:flex;align-items:baseline;gap:8px;font-size:13px}.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);flex:none;transform:translateY(-1px)}.dot.idle{background:var(--muted)}.presence-meta{color:var(--muted);font-size:11px;margin-left:auto;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.center{height:100vh;display:grid;place-items:center;padding:24px}.card{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:32px}.card h1{margin:0 0 6px;font-size:20px;letter-spacing:-.01em}.card p{margin:0 0 24px;color:var(--muted);font-size:14px;line-height:1.6}.button{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:11px 16px;border-radius:7px;border:1px solid var(--border);background:#1d2128;color:var(--fg);font:inherit;font-size:14px;font-weight:500;text-decoration:none;cursor:pointer}.button:hover{background:#242932}.status{font-family:var(--mono);font-size:12px;color:var(--muted)}.status.error{color:var(--danger)}