:root{--bg: #f8fafc;--card: #ffffff;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--primary: #0f766e;--primary-text: #ffffff;--error: #b91c1c;font-family:Sarabun,Noto Sans Thai,system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg)}@media (prefers-color-scheme: dark){:root{--bg: #0b1220;--card: #111a2e;--text: #e2e8f0;--muted: #94a3b8;--border: #1e293b;--primary: #14b8a6;--primary-text: #042f2e;--error: #f87171}}*{box-sizing:border-box}body{margin:0;background:var(--bg)}.shell{max-width:640px;margin:0 auto;padding:16px;display:grid;gap:16px}.topbar{display:flex;justify-content:space-between;align-items:center}.brand{font-weight:700;font-size:1.25rem;color:var(--primary)}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px}.card h2{margin:0 0 8px;font-size:1.1rem}.stack{display:grid;gap:10px}.muted{color:var(--muted);margin:0}.error{color:var(--error)}.profile{display:flex;gap:14px;align-items:center}.avatar{width:56px;height:56px;border-radius:50%;object-fit:cover}.avatar.placeholder{display:grid;place-items:center;background:var(--primary);color:var(--primary-text);font-size:1.4rem;font-weight:700}.name{font-size:1.2rem;font-weight:700}.code{font-family:ui-monospace,monospace;font-weight:700;color:var(--text)}button,input,select{font:inherit;border-radius:10px;min-height:44px}button{background:var(--primary);color:var(--primary-text);border:0;padding:0 18px;font-weight:600;cursor:pointer}button.secondary{background:transparent;color:var(--muted);border:1px solid var(--border)}input,select{border:1px solid var(--border);background:var(--card);color:var(--text);padding:0 12px}.version{text-align:center;color:var(--muted);font-size:.8rem;font-family:ui-monospace,monospace;padding:8px 0 16px}button.update{background:#b45309;color:#fff}.small{font-size:.85rem}a{color:var(--primary)}.badge{display:inline-block;margin-left:8px;padding:2px 8px;border-radius:999px;font-size:.75rem;font-weight:600;background:var(--primary);color:var(--primary-text);vertical-align:middle}button:disabled{opacity:.6;cursor:wait}