*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Arial,Helvetica,sans-serif;background:#0a0d12;color:#fff}body{min-height:100vh}button,input,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.card{background:#141922;border:1px solid #283241;border-radius:8px;box-shadow:0 8px 24px #0000003d}.text-green{color:#54d38a}.text-red{color:#ff6b78}.text-muted{color:#8fa3bd}.page-shell{min-height:100vh;padding:12px;background:#0a0d12;color:#f5f7fb}.app-topbar,.page-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;margin-bottom:12px}.eyebrow{color:#8fa3bd;font-size:11px;font-weight:700;text-transform:uppercase}h1,h2,h3{margin-top:0;line-height:1.1}h1{margin-bottom:0;font-size:20px}h2{margin-bottom:0;font-size:18px}h3{font-size:16px}.menu-btn,.icon-btn{width:42px;height:42px;border:1px solid #324055;border-radius:8px;background:#101620;color:#fff;font-size:23px}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}input,select{background:#0f141d;color:#fff;border:1px solid #35435a;border-radius:8px}