:root{--bg: #0f1419;--surface: #1a2028;--border: #2a3340;--text: #e6e8eb;--text-dim: #8b95a1;--primary: #25d366;--primary-hover: #20bf5b;--danger: #ef4444;--warning: #f59e0b;--success: #10b981;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .3), 0 1px 2px rgba(0, 0, 0, .2)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;font-size:14px;cursor:pointer;border:none;border-radius:var(--radius);padding:10px 16px;background:var(--primary);color:#0a0e12;font-weight:600;transition:background .12s ease}button:hover:not(:disabled){background:var(--primary-hover)}button:disabled{opacity:.6;cursor:not-allowed}button.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}button.secondary:hover:not(:disabled){background:var(--surface)}input,select,textarea{font-family:inherit;font-size:14px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary)}label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:6px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.app-shell{min-height:100%;display:flex;flex-direction:column}.app-header{border-bottom:1px solid var(--border);background:var(--surface);padding:14px 24px;display:flex;align-items:center;justify-content:space-between}.app-header .brand{font-weight:700;letter-spacing:-.02em;color:var(--text)}.app-header .user{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-dim)}.app-main{flex:1;max-width:880px;width:100%;margin:0 auto;padding:32px 24px}.stack{display:flex;flex-direction:column;gap:16px}.row{display:flex;gap:12px;align-items:center}.spacer{flex:1}.alert{border-radius:var(--radius);padding:14px 16px;font-size:14px;border:1px solid}.alert.success{background:#10b98114;border-color:#10b9814d;color:#6ee7b7}.alert.error{background:#ef444414;border-color:#ef44444d;color:#fca5a5}.alert.info{background:#25d36614;border-color:#25d3664d;color:#86efac}.alert.warning{background:#f59e0b14;border-color:#f59e0b4d;color:#fcd34d}.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .72s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}h1{font-size:24px;font-weight:700;letter-spacing:-.02em;margin-bottom:4px}h2{font-size:18px;font-weight:600;margin-bottom:8px}h3{font-size:14px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em}p{color:var(--text-dim);font-size:14px}.code{font-family:SFMono-Regular,Menlo,monospace;font-size:12px;background:#0000004d;padding:2px 6px;border-radius:4px;color:#f8d7a8}