:root{color-scheme:dark;font-family:Inter,system-ui,sans-serif;background:#0f1115;color:#e7eaf0;line-height:1.5;font-weight:400}*{box-sizing:border-box}body{margin:0;background:#0f1115;color:#e7eaf0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.app-shell{min-height:100vh}.topbar{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid #242835;background:#121620;position:sticky;top:0}.brand{font-weight:700}.nav{display:flex;gap:12px;flex-wrap:wrap}.nav a.active{text-decoration:underline}.topbar-right{display:flex;gap:12px;align-items:center}.content{max-width:1100px;margin:0 auto;padding:24px}.card{background:#161a24;border:1px solid #242835;border-radius:18px;padding:24px;box-shadow:0 8px 20px #00000038}.narrow{max-width:480px}.form{display:grid;gap:14px}.form label{display:grid;gap:8px}input,textarea{width:100%;background:#0f1115;color:#e7eaf0;border:1px solid #2d3242;border-radius:12px;padding:12px 14px}.button{border:0;border-radius:12px;padding:12px 16px;background:#5c7cfa;color:#fff;cursor:pointer}.button-secondary{background:#2d3242}.error{color:#ff9aa2}.success{color:#98f5c8}.muted{color:#aab2c5}.page-center{min-height:60vh;display:grid;place-items:center}.profile-grid{display:grid;gap:24px;grid-template-columns:1fr 1fr}@media(max-width:800px){.topbar{flex-direction:column;align-items:flex-start}.profile-grid{grid-template-columns:1fr}}