:root{--navy: #14213D;--amber: #FCA311;--bg: #f5f6f8;--surface: #ffffff;--border: #e3e6ea;--text: #1f2933;--text-muted: #6b7280;--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,Segoe UI,Tahoma,sans-serif;background:var(--bg);color:var(--text);line-height:1.7}.container{max-width:880px;margin:0 auto;padding:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.btn{font:inherit;font-size:14px;border:none;border-radius:24px;padding:10px 22px;cursor:pointer;background:var(--navy);color:#fff;transition:opacity .15s}.btn:hover:not(:disabled){opacity:.9}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-amber{background:var(--amber);color:#412402}.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.input{font:inherit;width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text)}.input:focus{outline:2px solid var(--navy);outline-offset:-1px}.row{display:flex;gap:8px;align-items:center}.spread{display:flex;justify-content:space-between;align-items:center}.muted{color:var(--text-muted);font-size:13px}.stack>*+*{margin-top:12px}.alert{border-radius:8px;padding:10px 14px;font-size:13px}.alert-error{background:#fdeaee;color:#8c1c34}.alert-success{background:#e6f7f0;color:#1c6b4d}.alert-info{background:#fff6e5;color:#7a4c05}.badge{font-size:11px;padding:3px 10px;border-radius:8px;background:#eef1f4;color:var(--text-muted)}.badge-success{background:#e6f7f0;color:#1c6b4d}.badge-warn{background:#fff6e5;color:#7a4c05}.nav{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 0;margin-bottom:16px}.nav a{color:var(--text-muted);text-decoration:none;font-size:14px;margin-left:16px}.nav a.active{color:var(--text);font-weight:500}.balance-bar{background:var(--navy);color:#fff;border-radius:var(--radius);padding:16px 20px}.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}