body {
            margin: 0;
            font-family: Arial, sans-serif;
            background: #060b1b;
            color: #e0e6f5;
        }

        .layout {
            display: flex;
            min-height: 100vh;
        }

        /* SIDEBAR */
        .sidebar {
            width: 290px;
            background: #070d1f;
            padding: 30px 22px;
            border-right: 1px solid rgba(255,255,255,0.05);
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
        }
        .brand-logo {
            width: 56px;
            height: 56px;
        }
        .brand-title {
            font-size: 20px;
            font-weight: bold;
            letter-spacing: 1px;
        }
        .brand-subtitle {
            font-size: 13px;
            opacity: .8;
            margin-top: 3px;
            line-height: 1.3;
        }

        .menu-title {
            color: #9aa7c5;
            font-size: 13px;
            letter-spacing: 1.5px;
            margin: 30px 0 15px;
            text-transform: uppercase;
        }

        .menu {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .menu li a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #dbe4ff;
            padding: 10px 14px;
            text-decoration: none;
            border-radius: 12px;
            transition: 0.2s;
            font-size: 15px;
        }
        .menu li a:hover {
            background: rgba(255,255,255,0.07);
        }
        .active {
            background: rgba(0, 199, 117, 0.15) !important;
            border: 1px solid rgba(0,255,140,0.45);
            box-shadow: 0 0 16px rgba(0,255,140,0.35);
        }

        /* MAIN */
        .main {
            flex: 1;
            padding: 40px;
        }

        h1 {
            margin-top: 0;
            font-size: 34px;
        }

        .intro-card {
            background: rgba(255,255,255,0.05);
            padding: 25px;
            border-radius: 16px;
            border: 1px solid rgba(255,255,255,0.07);
            margin-bottom: 30px;
        }

        .links-card {
            background: rgba(255,255,255,0.05);
            padding: 25px;
            border-radius: 16px;
            border: 1px solid rgba(255,255,255,0.07);
        }

        .links-card ul {
            padding-left: 20px;
            line-height: 1.7;
        }

        .footer {
            margin-top: 50px;
            padding: 20px;
            text-align: center;
            opacity: 0.85;
            font-size: 14px;
            border-top: 1px solid rgba(255,255,255,0.1);
            line-height: 1.6;
        }
        a { color: #9ad0ff; }
    
body{background:#060b1b;}

/*
  AI/SEO helper block.
  Contains a structured outline (h2/ul) for crawlers/AI, but should not be visible,
  otherwise it duplicates the page content and looks like "raw" text at the top.
*/
.ai-structure{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
  white-space:nowrap;
}