* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: linear-gradient(135deg, #2c3e7d 0%, #4a5a94 50%, #5d6da8 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .container {
            background: white;
            border-radius: 16px;
            padding: 60px 40px;
            max-width: 600px;
            width: 100%;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            text-align: center;
            animation: fadeIn 0.6s ease-out;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .logo {
            font-size: 28px;
            font-weight: 700;
            color: #2c3e7d;
            margin-bottom: 40px;
            letter-spacing: 1px;
        }

        .icon-admin {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #2c3e7d 0%, #4a5a94 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 30px;
            animation: scaleIn 0.5s ease-out 0.2s backwards;
        }

        @keyframes scaleIn {
            from {
                transform: scale(0);
            }
            to {
                transform: scale(1);
            }
        }

        .icon-admin::after {
            content: "🔐";
            font-size: 40px;
        }

        h1 {
            color: #2c3e7d;
            font-size: 28px;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .message {
            color: #555;
            font-size: 16px;
            line-height: 1.6;
            margin-bottom: 30px;
        }

        .button {
            background: linear-gradient(135deg, #2c3e7d 0%, #4a5a94 100%);
            color: white;
            border: none;
            padding: 15px 40px;
            font-size: 16px;
            border-radius: 8px;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            font-weight: 600;
            margin-top: 20px;
            text-decoration: none;
            display: inline-block;
        }

        .button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(44, 62, 125, 0.3);
        }

        .button:active {
            transform: translateY(0);
        }

        .footer {
            margin-top: 30px;
            color: #999;
            font-size: 12px;
        }

        .info-text {
            background: #f5f7fb;
            border-left: 4px solid #2c3e7d;
            padding: 20px;
            margin: 30px 0;
            text-align: left;
            border-radius: 4px;
            color: #555;
            font-size: 14px;
            line-height: 1.6;
        }