:root{--green: #2e8b57;--amber: #f5a623;--red: #d0454c;--ink: #1a1a1a;--muted: #6b6b6b;--bg: #f7f6f2;--card: #ffffff;--border: #e3e0d8;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}.shell{max-width:880px;margin:0 auto;padding:0 24px}.topbar{display:flex;align-items:center;gap:32px;padding:20px 0;border-bottom:1px solid var(--border)}.brand{font-weight:600;font-size:18px}.topbar nav{display:flex;gap:18px}.topbar nav a{color:var(--muted);text-decoration:none;font-size:14px}.topbar nav a.active{color:var(--ink)}.content{padding:28px 0}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:16px}.dot{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:8px;vertical-align:middle}.dot.green{background:var(--green)}.dot.amber{background:var(--amber)}.dot.red{background:var(--red)}.mode-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.mode-button{text-align:left;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px;cursor:pointer}.mode-button:hover{border-color:var(--ink)}.message-input{width:100%;padding:10px;font-size:14px;border-radius:8px;border:1px solid var(--border);resize:vertical}.teammate-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border)}.teammate-row:last-child{border-bottom:0}.muted{color:var(--muted);font-size:14px}.btn{background:var(--ink);color:#fff;border:0;border-radius:8px;padding:8px 14px;cursor:pointer;font-size:14px}.btn[disabled]{background:var(--muted);cursor:not-allowed}