:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1f232c;--border: #2a2f3a;--text: #e6e8ec;--muted: #9aa3b2;--accent: #5b8cff;--green: #3fb950;--red: #f85149;--amber: #d29922;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button{font:inherit}.app{max-width:1200px;margin:0 auto;padding:1rem 1.25rem 3rem}header.topbar{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0;border-bottom:1px solid var(--border);margin-bottom:1.25rem}.brand{font-weight:700;font-size:1.1rem;letter-spacing:.2px}.brand small{color:var(--muted);font-weight:400;margin-left:.5rem}.who{display:flex;align-items:center;gap:.6rem;color:var(--muted);font-size:.9rem}.who img{width:28px;height:28px;border-radius:50%}.ghost{background:transparent;border:1px solid var(--border);color:var(--muted);border-radius:6px;padding:.35rem .7rem;cursor:pointer}.ghost:hover{color:var(--text);border-color:var(--accent)}nav.tabs{display:flex;gap:.25rem;margin-bottom:1.5rem}nav.tabs button{background:transparent;border:none;color:var(--muted);padding:.6rem 1rem;border-radius:8px;cursor:pointer}nav.tabs button.active{background:var(--panel-2);color:var(--text)}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1.1rem 1.25rem}.grid{display:grid;gap:1rem}.login-screen{min-height:100vh;display:grid;place-items:center;text-align:center}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:2.5rem;width:min(92vw,380px)}.muted{color:var(--muted)}