.app{min-height:100vh;background:#0b1220;color:#e7edf7}.app-header{position:sticky;top:0;z-index:10;background:#0b1220cc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.12)}.header-inner{max-width:980px;margin:0 auto;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:10px}.brand-badge{width:34px;height:34px;border-radius:12px;background:#ffffff1f;display:grid;place-items:center;font-weight:700}.brand-title{font-weight:700;line-height:1.2}.brand-subtitle{font-size:12px;opacity:.75}.nav{display:flex;gap:10px}.nav-link{padding:8px 12px;border-radius:10px;text-decoration:none;color:inherit;border:1px solid rgba(255,255,255,.18)}.nav-link.active{background:#ffffff1f}.nav-link.disabled{opacity:.5;cursor:not-allowed}.app-main{max-width:980px;margin:0 auto;padding:20px 16px}*,*:before,*:after{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.5;background:#0b1220;color:#e7edf7}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}button,input{font:inherit}