:root{--background:#f8fafc;--foreground:#0f172a;--card:#fff;--border:#e2e8f0;--muted:#64748b;--accent:#4f46e5;--accent-foreground:#fff;--danger:#dc2626}@media (prefers-color-scheme:dark){:root{--background:#0b1120;--foreground:#e2e8f0;--card:#111827;--border:#1f2937;--muted:#94a3b8;--accent:#6366f1;--accent-foreground:#fff;--danger:#f87171}}*{box-sizing:border-box}html,body{max-width:100vw;overflow-x:hidden}body{background:var(--background);color:var(--foreground);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:inherit}button{font-family:inherit}.container{max-width:1100px;margin:0 auto;padding:0 24px}.topbar{border-bottom:1px solid var(--border);padding:16px 0}.topbar-inner{justify-content:space-between;align-items:center;display:flex}.brand{font-size:18px;font-weight:700;text-decoration:none}.nav-links{align-items:center;gap:20px;font-size:14px;display:flex}.nav-links a{color:var(--muted);text-decoration:none}.nav-links a.active{color:var(--foreground);font-weight:600}.btn{border:1px solid var(--border);background:var(--card);color:var(--foreground);cursor:pointer;border-radius:8px;align-items:center;gap:8px;padding:10px 16px;font-size:14px;text-decoration:none;display:inline-flex}.btn-primary{background:var(--accent);color:var(--accent-foreground);border-color:var(--accent)}.btn-danger{color:var(--danger);border-color:var(--danger)}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px}.stack{flex-direction:column;gap:16px;display:flex}.signin-wrap{justify-content:center;align-items:center;min-height:100vh;display:flex}.source-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px 0;display:flex}.source-row:last-child{border-bottom:none}.dot{border-radius:50%;width:10px;height:10px;margin-right:10px;display:inline-block}.muted{color:var(--muted);font-size:13px}input[type=text],input[type=url]{border:1px solid var(--border);background:var(--background);color:var(--foreground);border-radius:6px;padding:8px 10px;font-size:14px}.fc{--fc-border-color:var(--border);--fc-page-bg-color:var(--card);--fc-neutral-bg-color:var(--background);--fc-today-bg-color:#6366f114}