:root{--bg: #0b1220;--card: #121a2b;--text: #f4f7fb;--muted: #9aa7bd;--accent: #ff6b35;--ok: #3ddc84;--danger: #ff4d6d;--border: rgba(255, 255, 255, .08)}*{box-sizing:border-box}body{margin:0;font-family:system-ui,sans-serif;background:var(--bg);color:var(--text)}a{color:#00c2a8;text-decoration:none}.app-shell{max-width:720px;margin:0 auto;padding:1rem}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:1rem;margin-bottom:1rem}.btn{border:none;border-radius:999px;padding:.85rem 1.2rem;font-weight:700;background:linear-gradient(135deg,var(--accent),#ff8f59);color:#fff;cursor:pointer}.btn.secondary{background:transparent;border:1px solid var(--border);color:var(--text)}.input{width:100%;padding:.75rem 1rem;border-radius:12px;border:1px solid var(--border);background:#ffffff08;color:var(--text);margin-top:.35rem}.nav{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}.nav a{padding:.5rem .8rem;border-radius:999px;border:1px solid var(--border)}.ok{color:var(--ok)}.bad{color:var(--danger)}.muted{color:var(--muted)}.big-balance{font-size:2.5rem;font-weight:800;margin:.5rem 0}